ATI Radeon HD 2900 XTX vs NVIDIA GeForce 8800 GTS Core 112

VS

ATI Radeon HD 2900 XTX

NVIDIA GeForce 8800 GTS Core 112

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 640MB VRAM GeForce 8800 GTS Core 112 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XTX 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 64.00GB/s)

208 additional rendering cores

NVIDIA GeForce 8800 GTS Core 112 's Advantages

More VRAM (640GB vs 512GB)

Lower TDP (150W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX +76%

0.476 TFLOPS

GeForce 8800 GTS Core 112

0.269 TFLOPS

Radeon HD 2900 XTX

VS

GeForce 8800 GTS Core 112

Graphics Card

Unknown

Release Date

Nov 2007

Radeon R600

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

828 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

640MB

GDDR3

Memory Type

GDDR3

512bit

Memory Bus

320bit

106.0GB/s

Bandwidth

64.00GB/s

Render Config

4

Compute Units

-

SM Count

14

320

Shading Units

112

16

TMUs

28

16

ROPs

20

-

256 KB

L2 Cache

80 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

10.00 GPixel/s

11.89 GTexel/s

Texture Rate

28.00 GTexel/s

-

475.5 GFLOPS

FP32 (float)

268.8 GFLOPS

-

Board Design

240W

TDP

150W

550 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

R600

GPU Name

G80

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

G80-100-K0-A2

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

80 nm

Process Size

90 nm

0.72 billion

Transistors

0.681 billion

420 mm²

Die Size

484 mm²

Graphics Features

10.0 (10_0)

DirectX

11.1 (10_0)

3.3 (full) 4.0 (partial)

OpenGL

3.3

N/A

OpenCL

1.1 (1.0)

N/A

Vulkan

N/A

-

CUDA

1.0

4.0

Shader Model

4.0

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