ATI Radeon HD 2900 XT vs NVIDIA GeForce 8600 GT

VS

ATI Radeon HD 2900 XT

NVIDIA GeForce 8600 GT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XT and 512MB VRAM GeForce 8600 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XT 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 22.40GB/s)

288 additional rendering cores

NVIDIA GeForce 8600 GT 's Advantages

Lower TDP (47W vs 215W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XT +526%

0.476 TFLOPS

GeForce 8600 GT

0.076 TFLOPS

Radeon HD 2900 XT

VS

GeForce 8600 GT

Graphics Card

May 2007

Release Date

Apr 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

700 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

512bit

Memory Bus

128bit

106.0GB/s

Bandwidth

22.40GB/s

Render Config

4

Compute Units

-

SM Count

4

320

Shading Units

32

16

TMUs

16

ROPs

8

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

4.320 GPixel/s

11.89 GTexel/s

Texture Rate

8.640 GTexel/s

-

475.5 GFLOPS

FP32 (float)

76.16 GFLOPS

-

Board Design

215W

TDP

47W

550 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

R600

GPU Name

G84

R600 XT (215RGMDKA13FG)

GPU Variant

G84-303-A2

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

80 nm

Process Size

80 nm

0.72 billion

Transistors

0.289 billion

420 mm²

Die Size

169 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

N/A

Vulkan

N/A

-

CUDA

1.1

4.0

Shader Model

4.0

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