ATI Radeon HD 2900 PRO vs NVIDIA GeForce 8600 GT Mac Edition

VS

ATI Radeon HD 2900 PRO

NVIDIA GeForce 8600 GT Mac Edition

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 PRO and 128MB VRAM GeForce 8600 GT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 PRO 's Advantages

Released 8 months late

More VRAM (512GB vs 128GB)

Larger VRAM bandwidth (51.20GB/s vs 24.00GB/s)

288 additional rendering cores

NVIDIA GeForce 8600 GT Mac Edition 's Advantages

Lower TDP (47W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 PRO +312%

0.384 TFLOPS

GeForce 8600 GT Mac Edition

0.093 TFLOPS

Radeon HD 2900 PRO

VS

GeForce 8600 GT Mac Edition

Graphics Card

Dec 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

-

800 MHz

Memory Clock

750 MHz

Memory

512MB

Memory Size

128MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

128bit

51.20GB/s

Bandwidth

24.00GB/s

Render Config

4

Compute Units

-

SM Count

4

320

Shading Units

32

16

TMUs

16

ROPs

8

-

128 KB

L2 Cache

32 KB

-

Theoretical Performance

9.600 GPixel/s

Pixel Rate

4.800 GPixel/s

9.600 GTexel/s

Texture Rate

9.600 GTexel/s

-

384.0 GFLOPS

FP32 (float)

92.80 GFLOPS

-

Board Design

200W

TDP

47W

550 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

2x DVI

1x 8-pin

Power Connectors

None

Graphics Processor

R600

GPU Name

G84

R600 PRO (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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