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ASUS EAH6950 DCII/2DI4S/2GD5, EAH6970 DCII/2DI4S/2GD5, ENGTX560 Ti DCII TOP/2DI/1GD5, ENGTX570 DCII/2DIS/1280MD5, ENGTX580 DCII/2DIS/1536MD5 Graphics Cards

Five very interesting solutions with good overclocking potential.

June 27, 2011



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Today we shall review five graphics cards by ASUS, all of which are custom solutions.

Specifications

ASUS EAH6950 DCII/2DI4S/2GD5

  • GPU: Radeon HD 6950 (Cayman)
  • Interface: PCIe 2.0 x16
  • GPU clock rate (ROPs/shaders): 810/810 MHz (the standard is 800/800 MHz)
  • Memory clock rate, physical (effective): 1250 (5000) MHz (standard)
  • Memory bus: 256-bit
  • Stream processors: 1408
  • Texture units: 88 (BLF/TLF/ANIS)
  • ROP units: 32
  • Dimensions: 297x127x65 mm
  • Board color: black
  • Output connectors: DVI-I, DVI-D, 4 x DisplayPort 1.2
  • Multi-GPU mode: CrossFire X (hardware)

ASUS EAH6970 DCII/2DI4S/2GD5

  • GPU: Radeon HD 6970 (Cayman)
  • Interface: PCIe 2.0 x16
  • GPU clock rate (ROPs/shaders): 890/890 MHz (the standard is 880/880 MHz)
  • Memory clock rate, physical (effective): 1375 (5500) MHz (standard)
  • Memory bus: 256-bit
  • Stream processors: 1536
  • Texture units: 96 (BLF/TLF/ANIS)
  • ROP units: 32
  • Dimensions: 297x127x65 mm
  • Board color: black
  • Output connectors: DVI-I, DVI-D, 4 x DisplayPort 1.2
  • Multi-GPU mode: CrossFire X (hardware)

ASUS ENGTX560 Ti DCII TOP/2DI/1GD5

  • GPU: GeForce GTX 560 Ti (GF114)
  • Interface: PCIe 2.0 x16
  • GPU clock rate (ROPs/shaders): 900/1800 MHz (the standard is 822/1644 MHz)
  • Memory clock rate, physical (effective): 1050 (4200) MHz (the standard is 1000 (4000) MHz)
  • Memory bus: 256-bit
  • Stream processors: 384
  • Texture units: 64 (BLF/TLF/ANIS)
  • ROP units: 32
  • Dimensions: 228x111x37 mm
  • Board color: black
  • Output connectors: 2 x DVI-I, Mini HDMI
  • Multi-GPU mode: hardware SLI

ASUS ENGTX570 DCII/2DIS/1280MD5

  • GPU: GeForce GTX 570 (GF110)
  • Interface: PCIe 2.0 x16
  • GPU clock rate (ROPs/shaders): 800/1600 MHz (the standard is 732/1464 MHz)
  • Memory clock rate, physical (effective): 1000 (4000) MHz (the standard is 950 (3800) MHz)
  • Memory bus: 320-bit
  • Stream processors: 480
  • Texture units: 60 (BLF/TLF/ANIS)
  • ROP units: 40
  • Dimensions: 292x127x65 mm
  • Board color: black
  • Output connectors: 2 x DVI-I, HDMI, DisplayPort
  • Multi-GPU mode: hardware SLI

ASUS ENGTX580 DCII/2DIS/1536MD5

  • GPU: GeForce GTX 580 (GF110)
  • Interface: PCIe 2.0 x16
  • GPU clock rate (ROPs/shaders): 782/1564 MHz (the standard is 775/1550 MHz)
  • Memory clock rate, physical (effective): 1002 (4008) MHz (standard)
  • Memory bus: 384-bit
  • Stream processors: 512
  • Texture units: 64 (BLF/TLF/ANIS)
  • ROP units: 48
  • Dimensions: 292x127x65 mm
  • Board color: black
  • Output connectors: 2 x DVI-I, HDMI, DisplayPort
  • Multi-GPU mode: hardware SLI

Design

Comparison with the reference design, front view

ASUS EAH6950 DCII/2DI4S/2GD5 Reference AMD Radeon HD 6950

ASUS EAH6970 DCII/2DI4S/2GD5 Reference AMD Radeon HD 6970

ASUS ENGTX560 Ti DCII TOP/2DI/1GD5 Reference NVIDIA GeForce GTX 560 Ti

ASUS ENGTX570 DCII/2DIS/1280MD5 Reference NVIDIA GeForce GTX 570

ASUS ENGTX580 DCII/2DIS/1536MD5 Reference NVIDIA GeForce GTX 580

Comparison with the reference design, rear view

ASUS EAH6950 DCII/2DI4S/2GD5 Reference AMD Radeon HD 6950

ASUS EAH6970 DCII/2DI4S/2GD5 Reference AMD Radeon HD 6970

ASUS ENGTX560 Ti DCII TOP/2DI/1GD5 Reference NVIDIA GeForce GTX 560 Ti

ASUS ENGTX570 DCII/2DIS/1280MD5 Reference NVIDIA GeForce GTX 570

ASUS ENGTX580 DCII/2DIS/1536MD5 Reference NVIDIA GeForce GTX 580

All five cards are custom products. At that, ENGTX580 DCII/2DIS/1536MD5 and EAH6970 DCII/2DI4S/2GD5 are designed for enthusiasts (and overclockers) and have a certain reserve in terms of power and come with two 8-pin supplementary power sockets each instead of one 6-pin and one 8-pin. Power converters of these cards have been revamped as well, more energy efficient parts are used, especially in GPU circuitry.

EAH6970 DCII/2DI4S/2GD5 and EAH6950 DCII/2DI4S/2GD5 have 4 DisplayPort sockets each and support a more advanced version of AMD Eyefinity that lets you connect as many as four monitors simultaneously instead of the standard three. Also pay attention to a complex interface switching scheme of these two cards provided on a box screenshot below.

Maximum resolutions and frequencies:

  • 240 Hz maximum refresh rate
  • 2560 x 1600 @ 60Hz max. digital (DVI) resolution
  • 2048 x 1536 @ 85Hz max. analog (VGA) resolution

All cards have supplementary power sockets: two 6-pin on ENGTX560 Ti DCII TOP/2DI/1GD5, one 6-pin and one 8-pin on EAH6950 DCII/2DI4S/2GD5 and ENGTX570 DCII/2DIS/1280MD5, two 8-pin on ENGTX580 DCII/2DIS/1536MD5 and EAH6970 DCII/2DI4S/2GD5.

As I have already said, the latter two are designed for overclockers and come with a SmartDoctor utility that lets you increase frequencies and core voltages and monitor card status. As you can see, we managed to overclock ENGTX580 DCII/2DIS/1536MD5 to the great 947 (1894) MHz, and the resulting performance was just 10% less than that of the dual-GPU GTX 590. The result could've been better had memory chips been cooled along with the GPU.

As for EAH6970 DCII/2DI4S/2GD5, we managed to overclock its GPU to more than 1GHz, but a noticeable bandwidth limitation only allowed a 12% performance gain, even though GPU clock rate was raised by almost 15%.

Finally, we achieved 950 MHz GPU clock rate on EAH6950 DCII/2DI4S/2GD5 by means of raising voltage, and performance almost reached that of HD 6970.

Unfortunaly, the utility didn't let us raise voltages on ENGTX560 Ti DCII TOP/2DI/1GD5 and ENGTX570 DCII/2DIS/1280MD5, so overclocking was limited.

Note that even though only about 5% of users overclock their graphics cards, we have such results on our diagrams, but only if tested products are factory-overclocked and guaranteed to work at higher clock rates.


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