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Zotac GeForce 8800 GTS 320MB PCI-E
ECS GeForce 8800 GTS 320MB PCI-E
Foxconn GeForce 8800 GTS 320MB o/c PCI-E
Leadtek WinFast PX8800GTS TDH 320MB PCI-E

March 13, 2007






TABLE OF CONTENTS

  1. Introduction
  2. Video cards' features
  3. Testbed configurations, benchmarks
  4. Test results
  5. Conclusions



NVIDIA has officially launched GeForce 8800 GTS 320MB on February 12, 2007. It has become the cheapest Hi-End solution of the GeForce 8800 series.

As a result, the updated 8800 series looks like this:

  1. GeForce 8800 GTX 768MB PCI-E, 128 stream processors, 384bit memory bus, 575/1800 MHz, 599-649 USD
  2. GeForce 8800 GTS 640MB PCI-E, 96 stream processors, 320bit memory bus, 512/1600 MHz, 399-449 USD
  3. GeForce 8800 GTS 320MB PCI-E, 96 stream processors, 320 bit memory bus, 512/1600 MHz, 299-349 USD

Our readers might have already read the baseline article about these cards and formed an opinion. Considering that many users still ask questions about the differences between these products, and which manufacturer offers higher quality, we decided to publish another article about these cards. But it will be rather short.

The main point that I want to get across to our readers once again is that all 8800 video cards are manufactured at two plants by NVIDIA's orders. For the sake of simplicity we'll assume that they are manufactured by NVIDIA. Its partners - ASUS, MSI, Palit, Gigabyte, XFX, BFG, Leadtek, etc - just buy ready cards from this Californian company. So here comes the main conclusion: ALL GeForce 8800 CARDS OFFER IDENTICAL QUALITY, because they all come from two assembly lines and they all passed NVIDIA's severe quality control. It was toughened after November 2006, when the first lot of GeForce 8800 GTX cards contained defective video cards, which were then recalled and repaired.

Now about the color of cards. The appearance of green PCBs in 8800-series cards raised some gossip and fantasies. Some forum users even wrote that all black cards were defective, while green models were fully functional. We assure you that they are utterly wrong! Only the first lot (November 2006) was defective. They are gone long ago (the cards were replaced or returned by warranty). PCB color just indicates that most cards are manufactured by Flextronics, which has been manufacturing green reference cards for NVIDIA for a long time. I shall not mention who manufactured (and is still manufacturing) black cards, experienced readers have already guessed it.

So, our article will review four video accelerators. As I have already mentioned, they are all absolutely the same (you can see it well even on the collage in the beginning of the article). But one of them operates at higher frequencies.

At the same time, we should introduce a new brand on our market - Zotac. Zotac Technology is related to well-known Sapphire Technology. Both companies are independent and have nothing to do with each other. But they have the same "father" - powerful PC Partner. Sapphire became a daughter company to let PC Partner enter the market with a retail brand and sell video cards with ATI processors. And now there appeared a company to sell NVIDIA cards under Zotac trademark. All these long years, PC Partner has been into OEM manufacturing and outsourcing.

But as in case of RADEON X1950 XT and Sapphire buying these cards from ATI; Zotac also just buys GeForce 8800 cards.

Video Cards



Zotac GeForce 8800 GTS 320MB PCI-E
  • GPU: GeForce 8800 GTS (G80)
  • Interface: PCI-Express x16
  • GPU frequencies (ROPs/Shaders): 512/1200 MHz (nominal — 512/1200 MHz)
  • Memory frequencies (physical (effective)): 800 (1600) MHz (nominal — 800 (1600) MHz)
  • Memory bus width: 320bit
  • Vertex processors: -
  • Pixel processors: -
  • Unified processors: 96
  • Texture processors: 24
  • ROPs: 20
  • Dimensions: 220×100×33 mm (the last figure is the maximum thickness of a video card).
  • PCB color: green.
  • RAMDACs/TDMS: in a separate chip.
  • Output connectors: 2xDVI (Dual-Link), TV-Out.
  • VIVO: not available
  • TV-out: integrated into GPU.
  • Multi-GPU operation: SLI (Hardware).




ECS GeForce 8800 GTS 320MB PCI-E
  • GPU: GeForce 8800 GTS (G80)
  • Interface: PCI-Express x16
  • GPU frequencies (ROPs/Shaders): 512/1200 MHz (nominal — 512 (1200) MHz)
  • Memory frequencies (physical (effective)): 800 (1600) MHz (nominal — 800 (1600) MHz)
  • Memory bus width: 320bit
  • Vertex processors: -
  • Pixel processors: -
  • Unified processors: 96
  • Texture processors: 24
  • ROPs: 20
  • Dimensions: 220×100×33 mm (the last figure is the maximum thickness of a video card).
  • PCB color: green.
  • RAMDACs/TDMS: in a separate chip.
  • Output connectors: 2xDVI (Dual-Link), TV-Out.
  • VIVO: not available
  • TV-out: integrated into GPU.
  • Multi-GPU operation: SLI (Hardware).




Foxconn GeForce 8800 GTS Overclocking Version 320MB PCI-E
  • GPU: GeForce 8800 GTS (G80)
  • Interface: PCI-Express x16
  • GPU frequencies (ROPs/Shaders): 575/1350 MHz (nominal — 512/1200 MHz)
  • Memory frequencies (physical (effective)): 900 (1800) MHz (nominal — 800 (1600) MHz)
  • Memory bus width: 320bit
  • Vertex processors: -
  • Pixel processors: -
  • Unified processors: 96
  • Texture processors: 24
  • ROPs: 20
  • Dimensions: 220×100×33 mm (the last figure is the maximum thickness of a video card).
  • PCB color: green.
  • RAMDACs/TDMS: in a separate chip.
  • Output connectors: 2xDVI (Dual-Link), TV-Out.
  • VIVO: not available
  • TV-out: integrated into GPU.
  • Multi-GPU operation: SLI (Hardware).




Leadtek WinFast PX8800GTS TDH 320MB PCI-E
  • GPU: GeForce 8800 GTS (G80)
  • Interface: PCI-Express x16
  • GPU frequencies (ROPs/Shaders): 512/1200 MHz (nominal — 512/1200 MHz)
  • Memory frequencies (physical (effective)): 800 (1600) MHz (nominal — 800 (1600) MHz)
  • Memory bus width: 320bit
  • Vertex processors: -
  • Pixel processors: -
  • Unified processors: 96
  • Texture processors: 24
  • ROPs: 20
  • Dimensions: 220×100×33 mm (the last figure is the maximum thickness of a video card).
  • PCB color: green.
  • RAMDACs/TDMS: in a separate chip.
  • Output connectors: 2xDVI (Dual-Link), TV-Out.
  • VIVO: not available
  • TV-out: integrated into GPU.
  • Multi-GPU operation: SLI (Hardware).






Zotac GeForce 8800 GTS 320MB PCI-E, ECS GeForce 8800 GTS 320MB PCI-E , Foxconn GeForce 8800 GTS Overclocking Version 320MB PCI-E, Leadtek WinFast PX8800GTS TDH 320MB PCI-E
The video card has 320 MB of GDDR3 SDRAM allocated in ten chips on the front side of the PCB.

Hynix memory chips (GDDR3). 1.1ns memory access time, which corresponds to 900 (1800) MHz.






Comparison with the reference design, front view
Zotac GeForce 8800 GTS 320MB PCI-E
Reference card NVIDIA GeForce 8800 GTS
ECS GeForce 8800 GTS 320MB PCI-E
Foxconn GeForce 8800 GTS Overclocking Version 320MB PCI-E
Leadtek WinFast PX8800GTS TDH 320MB PCI-E


Comparison with the reference design, back view
Zotac GeForce 8800 GTS 320MB PCI-E
Reference card NVIDIA GeForce 8800 GTS
ECS GeForce 8800 GTS 320MB PCI-E
Foxconn GeForce 8800 GTS Overclocking Version 320MB PCI-E
Leadtek WinFast PX8800GTS TDH 320MB PCI-E


I think it's unnecessary to remind you that all such cards are identical, but I'll do it anyway. The photos also prove that these are copies of reference cards. That is we can say that all 8800 GTS cards are manufactured by NVIDIA, not by its partners.

That's why all 8800 GTS/GTX cards are as like as two peas. Except for overclocked models, of course - they are already appearing on the market. Even in this case, they differ only in raised frequencies, the cards preserve their reference design. Note that the highest overclocking is currently demonstrated by the Foxconn product, while the other three cards operate at the standard frequencies.

Amazingly, there are no stickers or labels on the card from Foxconn, which would have indicated its increased frequencies. Only the box has a sticker.

All these cards have TV-Out with a unique jack. You will need a special bundled adapter to output video to a TV-set via S-Video or RCA You can read about the TV-Out in more detail here.

Analog monitors with d-Sub (VGA) interface are connected with special DVI-to-d-Sub adapters. Maximum resolutions and frequencies:

  • 240 Hz Max Refresh Rate
  • 2048 × 1536 × 32bit ×85Hz Max - analog interface
  • 2560 × 1600 @ 60Hz Max - digital interface (both DVI jacks in 8800-series cards are Dual-Link ones, 7600-7300 cards may have only one suck jack with Dual-Link)

What concerns MPEG2 playback features (DVD-Video), we analyzed this issue in 2002. Little has changed since that time. CPU load during video playback on all modern video cards does not exceed 25%. What concerns HDTV and other trendy video features, we are going to sort them out as soon as possible.

Pay attention to the lack of Modify Full-Screen Video Options in the driver for all 8800 cards - this option is responsible for full-screen video playback mode on the second display (while the primary display plays video in a window).

This option may be locked due to some problems with the NVIO chip. We can only inform our readers that the latest generation of video cards from NVIDIA currently lacks this feature. It's difficult to say whether it will be fixed and when.

All the cards require additional power, so each one contains a black 6-pin connector. If your PSU does not have this cable, the cards are bundled with a splitter to connect to any power cable with a Molex.

Now about the cooling systems.

Zotac GeForce 8800 GTS 320MB PCI-E, ECS GeForce 8800 GTS 320MB PCI-E, Foxconn GeForce 8800 GTS Overclocking Version 320MB PCI-E, Leadtek WinFast PX8800GTS TDH 320MB PCI-E
All the cards actually use the same cooler. With the launch of the 8800 series we roll back to the old turbine design with a fan at one end of a closed heatsink that drives the air through.

This solution has a number of advantages.

Firstly, the device drives ALL hot air out of a PC case.

Secondly, the turbine is very large and slow, so it's quiet even under heavy loads.

Thirdly, efficiency of the cooling system is reinforced by heat pipes at the side of the heatsink.

The cooler is not heavy, as copper is used only for the plate that touches the GPU. Other components are made of aluminum alloy. The design resembles devices from Arctic Cooling.

Leadtek engineers slightly modified design of the cooler cap. But it changed nothing on the whole: neither noise, nor efficiency.

We found out that the cooling system worked very efficiently in all cases and did not allow the core temperature to rise above 85°C. But on the whole, both 8800 cards get very hot during operation, their PCBs may even burn your fingers. So you'd better install a good ventilation system inside your PC case.












Even when the core is overclocked to 575 MHz, its temperature does not exceed 85°C (not dangerous). And fan speed does not grow much, so there is practically no noise.

Bundle

Zotac GeForce 8800 GTS 320MB PCI-E
The bundle is over-modest. User's manual, CD with drivers, DVI-to-VGA adapter, external power splitter, component-out adapter. Plus an S-Video-to-RCA adapter. That's all. It's not enough to promote the brand in our market. :-)


ECS GeForce 8800 GTS 320MB PCI-E
The bundle is similar. The same can be said about promotion in our market. A nice box and stickers are not enough. Consumers should be interested in something, or they will just choose familiar brands.


Foxconn GeForce 8800 GTS Overclocking Version 320MB PCI-E
In this case the bundle is similar, but it has a bonus - Gamepad. A brand model from Foxconn. It stresses the target application of the accelerator: gaming.


Leadtek WinFast PX8800GTS TDH 320MB PCI-E
A similar bundle includes a bonus - two games: Spellforce2 and Serious Sam II. The other components are similar to previous bundles.




On the whole, the bundles are not brilliant, sometimes even over-modest.

Packages

Zotac GeForce 8800 GTS 320MB PCI-E

A glossy bright jacket in company's style. There is a cardboard box inside which houses bundled components arranged into sections. Using plastic inside boxes is a very good move, because it protects the card from dangling in transit.




ECS GeForce 8800 GTS 320MB PCI-E

The box is similar: a glossy jacket with a box made of thick cardboard inside. But in this case the bundle is arranged into cardboard sections.




Foxconn GeForce 8800 GTS Overclocking Version 320MB PCI-E
A long box in violet colors... A label with memory size is glued askew at the side. You won't find it first glance. So watch it! Don't pay for the 640 MB card just to get the 320 MB modification. Your salesman may make a mistake...

The card is securely sealed in a cardboard section inside the box. The gamepad is inside a special box, thoroughly packed.

I repeat that only the sticker on the box mentions increased frequencies.




Leadtek WinFast PX8800GTS TDH 320MB PCI-E
A bright cardboard box with holographic coating. The design is very stylish, but the lid of the box does not have cross-pieces, so a CD may drop out of the box through the gaps.




Installation and Drivers

Testbed configuration:

  • Intel Core2 Duo (775 Socket) based computer
    • CPU: Intel Core2 Duo Extreme X6800 (2930 MHz) (L2=4096K)
    • Motherboard: EVGA nForce 680i SLI on NVIDIA nForce 680i
    • RAM: 2 GB DDR2 SDRAM Corsair 1142MHz (CAS (tCL)=5; RAS to CAS delay (tRCD)=5; Row Precharge (tRP)=5; tRAS=15)
    • HDD: WD Caviar SE WD1600JD 160GB SATA
    • PSU: Tagan 1100-U95 (1100W).

  • Operating system: Windows XP SP2 DirectX 9.0c
  • Monitor: Dell 3007WFP (30").
  • Drivers: ATI CATALYST 7.1; NVIDIA Drivers 97.92.

VSync is disabled.

Test results: performance comparison

We used the following test applications:

  • Splinter Cell Chaos Theory v.1.04 (Ubisoft) — DirectX 9.0, shaders 3.0 (with/without HDR), maximum settings.

  • Call Of Juarez (Techland/Ubisoft) — DirectX 9.0, shaders 3.0 (HDR), demo (demo Tests were run with maximum quality. The batch file is included.

  • FarCry 1.4 (beta) (Crytek/UbiSoft), DirectX 9.0, shaders 2.0b/3.0 (with/without HDR), 3 demos from the Research level (-DEVMODE startup option), Very High test settings. We used HDRRendering=1 for HDR tests

  • PREY 1.01 (3D Realms Entertainment / Human Head Studios / 2K Games) — OpenGL, shaders 2.x, demo003 (40MB!). Tests were run with maximum quality. The batch file is included.

  • 3DMark05 1.20 (FutureMark) — DirectX 9.0, multitexturing, trilinear filtering.

  • Serious Sam II 1.068 (Croteam/2K Games) — DirectX 9.0, shaders 3.0 (with/without HDR), batch file to start the test. It's the standard demo0002 that comes with the game. Tests settings — maximum.

    We express our thanks to our reader, Vozniuk Valery AKA Px, for his batch file to run this game.

  • F.E.A.R. v.1.08 (Multiplayer) (Monolith/Sierra) — DirectX 9.0, shaders 2.0, maximum test settings, Soft shadows disabled.

  • Company Of Heroes (Relic Entertainment/THQ) — DirectX 9.0, shaders 2.0, startup batch file. When you start the game, you should go to options, choose the graphics section, and press the test button. Tests were run with maximum quality.

  • 3DMark06 1.02 (FutureMark) — DirectX 9.0c, multitexturing, test settings — trilinear,



Video cards' performance

If you understand 3D graphics, you may draw your own conclusions from the diagrams below. What concerns beginners and those who just started to look for a video card, we shall include some explanations.

Firstly, you should look through our reference materials on modern video cards and their GPUs. Note operating frequencies, support for modern technologies (shaders), as well as a pipeline architecture.



ATI RADEON X1300-1600-1800-1900 Reference

NVIDIA GeForce 7300-7600-7800-7900 Reference

Secondly, if you have just faced the problem of choosing a video card and are at a loss, our 3D-Video section offers articles about 3D basics (you will still have to understand them - when you run a game and open its options, you'll see such notions as textures, lighting, etc) as well as reviews of new products. There are just two companies that manufacture graphics processors: ATI (it has been recently bought by AMD and now bears the same name - AMD) and NVIDIA. So most information is divided into these two sections. We also publish monthly 3Digests that sum up all comparisons of video cards for various price segments.

Thirdly, analyze test results of the video cards under review. As these cards are actually no different from the previously reviewed models from BFG/MSI and Foxconn, there is no point in publishing new diagrams and tables. You must understand that the title of the card (8800 GTS 320MB) without mentioning a vendor (manufacturer) belongs to the three cards under review (from Leadtek, Zotac and ECS). Results of MSI 8800 GTS 320 should be also referred to the Foxconn product with increased frequencies, because these products are almost identical.

I also want to note that the 8800 GTS 320MB is intended for resolutions up to 1600×1200, so we shall not analyze performance in 2560×1600.

FarCry, Research (No HDR)



Test results: FarCry Research (No HDR)

We can see well that we should analyze only modes with antialiasing and anisotropy. These modes show that the 8800 GTS 320MB, even operating at its nominal frequencies, outperforms all its competitors, including more expensive cards.

There are almost no differences from the 640MB modification of the 8800 GTS card, 320MB are enough.

FarCry, Research (HDR)



Test results: FarCry Research (HDR)

But HDR mode significantly drops performance, much lower than in RADEON X1950. So we can establish a fact that only the fastest accelerator from Foxconn (the MSI label on the diagrams) managed to become an absolute winner. Although other products also offer good performance.

Differences from the 8800 GTS 640MB appeared clearly only in the highest resolutions.



F.E.A.R.



Test results: F.E.A.R.

All the three cards are successful here. Even the slowest card operating at the nominal frequencies (the 8800 GTS 320MB) demonstrated good results, being outperformed only by the more expensive 7950GX2.



Splinter Cell Chaos Theory (No HDR)



Test results: SCCT (No HDR)

The situation changes in this game. Only the fastest product from Foxconn becomes a leader (the victory of the 7950GX2 does not count)

And the other cards are actually on the level of the X1950 XT or even lower. But they are definitely better than the 7900 GTX. Consequently they are much better than the 7950GT (it's actually the 7900 GTX card operating at reduced frequencies).



Splinter Cell Chaos Theory (HDR)



Test results: SCCT (HDR)

It's almost a similar situation. Performance drop from HDR in NVIDIA products is again a tad greater than in AMD products.



Call Of Juarez



Test results: CoJ

It's a new game, much more complex than even FEAR. The most powerful cards are brought to knees by maximum settings. That's where we can see the stunning superiority of the new cards over the previous generation.

Have a look at the percentage. We don't even have to enumerate cards: the breakaway is so large!

By the way, 320MB of memory are sufficient here as well, there are no differences from the 8800 GTS 640.

BUT DON'T FORGET THAT 8800-SERIES CARDS WITH THE LATEST DRIVERS (mid February - Version 97.92) DEMONSTRATE GRAVE ARTIFACTS. SO IT'S TOO EARLY TO BE HOPEFUL. PERFORMANCE MAY DROP, WHEN THE BUG IS FIXED.



Company Of Heroes



Test results: CoH

This is also a relatively new game. But look how radically the situation has changed!

Alas, even the fastest 8800 GTS 320 from Foxconn is outperformed by RADEON X1950.



Serious Sam II (No HDR)



Test results: SS2 (No HDR)

This test demonstrates a huge array of textures, memory size starts to play an important role: the difference from the 640MB card is great.

On the whole, the 8800 GTS fares well in this game. Even the slowest modification.



Serious Sam II (HDR)



Test results: SS2 (HDR)

It's a similar situation here. We can see that the new cards win.



Prey



Test results: Prey

OpenGL and games based on engines from id Software have always been good to NVIDIA products. The 8800 GTS is at advantage in this case as well.



3DMark05: MARKS



Test results: 3DMark05 MARKS



3DMark06: SHADER 2.0 MARKS



Test results: 3DMark06 SM2.0 MARKS



3DMark06: SHADER 3.0 MARKS



Test results: 3DMark06 SM3.0 MARKS

I'll analyze all 3DMark test results at once. There is actually nothing to say: The new products based on the 8800 GTS 320MB are always victorious. It was to be expected, considering characteristics of the cores and cards: the power of shader computations is evident.



Conclusions

Zotac GeForce 8800 GTS 320MB PCI-E is a standard video card of this class. It does not stand out in bundle and frequencies. You consider its price. If it's not higher than for other similar products, you should pay closer attention to this card. Don't forget that all 8800 GTS cards are manufactured at the same plant by NVIDIA's orders. I also want to remind you that Zotac is a daughter company of PC Partner (like Sapphire Technology). It was created to sell PC Partner products in the retail market.

ECS GeForce 8800 GTS 320MB PCI-E - our conclusions are identical, because ECS didn't introduce anything original in this card either. The card has a minimal bundle. There are no increased frequencies either. So let's consider the prices and then make our choice.

Foxconn GeForce 8800 GTS Overclocking Version 320MB PCI-E is currently the fastest 8800 GTS 320MB card. But you should be careful when you buy it, because stickers informing users about the increased clocking are available only on the boxes. There is no information on the cards themselves. It may be the case only with our sample, while all production-line cards will also have stickers on PCBs.

Leadtek WinFast PX8800GTS TDH 320MB PCI-E is also a standard card operating at standard frequencies. Its bundle is spiced up with two games. And we should also mention an unusual cooler cap. Although it has a little effect. It just looks better.

On the whole, all the four cards were stable, we had no gripes with their operation. They are actually identical cards. You see, everything is simple. No more interesting unusual cards in the Hi-End segment. We have nothing to say even about Leadtek, which has always offered interesting R&D solutions. So I want to ask you not to overpay for titles and bright boxes. Trust me, all GeForce 8800 cards have the same quality and come from a couple of assembly lines.

Watch the prices! And don't say that you were not warned. All our conclusions may go to pot, if vendors raise prices so that the 8800 GTS 640MB is cheaper. By the way, speaking of the competition with RADEON X1950. Don't forget that the latter cards do not support DirectX 10 on the hardware level. And this technology belongs to the future.

The choice is up to our readers, as always. We can only inform you about this or that product. But we do not give direct instructions which products to choose.

And one more thing: having decided to choose a 3D accelerator on your own (a video card in your computer), you should understand that you change one of the key components of your system unit, which cannot and shouldn't work without proper configuration. This is not an end product, it's just a component. So you should understand that you'll have to learn 3D graphics basics in order to get maximum performance from a new video card. And some graphics as well. If you don't want to deal with it, you shouldn't upgrade your computer on your own: you'd better buy ready PCs with preconfigured software, or game boxes, where no configuration is required.

You can find more detailed comparisons of various video cards in our 3Digest.








We'd like to thank
Zotac

IT-Labs
and Natasha Lagunenko

Foxconn Russia
and Alexander Trukhachev
for the provided video cards



PSU for the testbed was kindly provided by TAGAN




                               The Dell 3007WFP monitor for the testbeds was kindly provided by NVIDIA








Andrey Vorobiev (anvakams@ixbt.com)

March 13, 2007



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