NVIDIA GeForce 8600 GT vs ATI Radeon HD 2900 XT

VS

NVIDIA GeForce 8600 GT

ATI Radeon HD 2900 XT

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

Main Differences

NVIDIA GeForce 8600 GT 's Advantages

Lower TDP (47W vs 215W)

ATI Radeon HD 2900 XT 's Advantages

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

288 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8600 GT

0.076 TFLOPS

Radeon HD 2900 XT +526%

0.476 TFLOPS

GeForce 8600 GT

VS

Radeon HD 2900 XT

Graphics Card

Apr 2007

Release Date

May 2007

GeForce 8

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

700 MHz

Memory Clock

828 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

512bit

22.40GB/s

Bandwidth

106.0GB/s

Render Config

-

Compute Units

4

SM Count

-

32

Shading Units

320

16

TMUs

16

8

ROPs

16

-

32 KB

L2 Cache

256 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

11.89 GPixel/s

8.640 GTexel/s

Texture Rate

11.89 GTexel/s

-

76.16 GFLOPS

FP32 (float)

475.5 GFLOPS

-

Board Design

47W

TDP

215W

200 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

G84

GPU Name

R600

G84-303-A2

GPU Variant

R600 XT (215RGMDKA13FG)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

80 nm

Process Size

80 nm

0.289 billion

Transistors

0.72 billion

169 mm²

Die Size

420 mm²

Graphics Features

11.1 (10_0)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

4.0

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