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NVIDIA GeForce GT2XX Reference

Specifications, architecture, technologies, etc.

December 11, 2009



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Older NVIDIA GPU references:

GT2XX GPU specifications


Codename GT200 GT200b
Baseline review Here Here
Process technology, nm 65 55
Transistors, M ~1400
Unified processors 240
Texture units 80
Blending units 32
Memory bus 512 (64x8)
Memory types DDR, GDDR2, GDDR3, GDDR4
System bus PCI-Express 2.0 16x
RAMDAC 2 x 400 MHz
Interfaces TV-Out, TV-In (video capture chip required), 2 x Dual Link DVI, HDTV-Out, HDMI, DisplayPort
Vertex shaders 4.0
Pixel shaders 4.0
Pixel precision FP32/FP64
Vertex precision FP32/FP64
Texture formats FP32, FP16, I8, DXTC, S3TC, 3Dc
Rendering formats FP32, FP16, I8, 10, other
MRT Yes
Antialiasing TAA (antialiasing of transparent polygons), CSAA 2x-16x
Z generation 2x in Z-only mode

GT2XX reference card specifications


Graphics card GPU ALUs/TMUs/ROPs Core clock, MHz Memory frequency, MHz Memory capacity, MB Memory bandwidth, GB/s Texturing, Gtex Fillrate, Gpix
GeForce GTX 260 GT200
PEG16x
192/64 576 1000(2000) 896 GDDR3 112.0
(448-bit)
36.9 16.1
GeForce GTX 260 (216 sp) GT200
PEG16x
216/72 576 1000(2000) 896 GDDR3 112.0
(448-bit)
41.5 16.1
GeForce GTX 280 GT200
PEG16x
240/80 602 1100(2200) 1024 GDDR3 140.8
(512-bit)
48.1 19.3
GeForce GTX 275 GT200b
PEG16x
240/80 633 1134(2268) 896 GDDR3 127
(512-bit)
50.6 17.7
GeForce GTX 285 GT200b
PEG16x
240/80 648 1242(2484) 1024 GDDR3 159
(512-bit)
51.8 20.7
GeForce GTX 295 2xGT200b
PEG16x
2x(240/80) 576 1000(2000) 2x896 GDDR3 2x112.0
(2x512-bit)
92.2 32.2
GeForce 210 GT218 16/8/4 589/1402 500(1000) 512 DDR2 8.0
(64-bit)
4.7 2.4
GeForce GT 220 GT216 48/16/8 625/1360 800(1600) 512/1024 DDR3 25.3
(128-bit)
10.0 5.0
GeForce GT 240 (GDDR3) GT215 96/32/8 550/1360 1000(2000) 512/1024 GDDR3 32.0
(128-bit)
17.6 4.4
GeForce GT 240 (GDDR5) GT215 96/32/8 550/1360 850(3400) 512/1024 GDDR5 54.4
(128-bit)
17.6 4.4

GT200, GeForce GTX 200 series

GT200 specifications

  • Codename: GT200
  • Process technology: 65nm
  • 1.4 billion transistors
  • Unified architecture with an array of common processors for streaming processing of vertices and pixels, as well as other data
  • Hardware support for DirectX 10, including Shader Model 4.0, geometry generation, and stream output
  • 512-bit memory bus, eight independent 64-bit controllers
  • Core clock: 602 MHz (GeForce GTX 280)
  • ALUs operate at more than a doubled frequency (1.296 GHz for GeForceGTX 280)
  • 240 scalar floating-point ALUs (integer and floating-point formats, support for FP32 and FP64 according to IEEE 754(R), two MAD+MUL per cycle -- read the details below)
  • 80 texture address and filtering units (as in G84/G86 and G92), support for FP16 and FP32 components in textures
  • Dynamic branching in pixel and vertex shaders
  • 8 wide ROPs (32 pixels) supporting antialiasing with up to 16 samples per pixel, including FP16 or FP32 frame buffer. Each unit consists of an array of flexibly configurable ALUs and is responsible for Z generation and comparison, MSAA, blending. Peak performance of the entire subsystem is up to 128 MSAA samples (+ 128 Z) per cycle, in Z only mode - 256 samples per cycle
  • Multiple render targets (up to 8 buffers)
  • All interfaces (2 x RAMDAC, 2 x Dual DVI, HDMI, DisplayPort, HDTV) are integrated into a separate chip.

GeForce GTX 280 reference specifications

  • Core clock: 602 MHz
  • Unified processors frequency: 1296 MHz
  • Unified processors: 240
  • 80 texture units, 32 blending units
  • Effective memory frequency: 2.2 GHz (2*1100 MHz)
  • Memory type: GDDR3
  • Memory: 1024 MB
  • Memory bandwidth: 141.7 GB/s
  • Maximum theoretical fillrate: 19.3 gigapixel per second
  • Theoretical texture sampling rate: up to 48.2 gigatexel per second
  • 2 x DVI-I Dual Link, 2560x1600 video output
  • Double SLI connector
  • PCI Express 2.0
  • TV-Out, HDTV-Out, DisplayPort (optional)
  • Power consumption: up to 236W
  • Dual-slot design
  • MSRP: $649

GeForce GTX 260 reference specifications

  • Core clock: 576 MHz
  • Unified processors frequency: 1242 MHz
  • Unified processors: 192
  • 64 texture units, 28 blending units
  • Effective memory frequency: 2.0 GHz (2*1000 MHz)
  • Memory type: GDDR3
  • Memory: 896 MB
  • Memory bandwidth: 111.9 GB/s
  • Maximum theoretical fillrate: 16.1 gigapixel per second
  • Theoretical texture sampling rate: up to 36.9 gigatexel per second
  • 2 x DVI-I Dual Link, 2560x1600 video output
  • Double SLI connector
  • PCI Express 2.0
  • TV-Out, HDTV-Out, DisplayPort (optional)
  • Power consumption: up to 182W
  • Dual-slot design
  • MSRP: $399

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