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

VS

NVIDIA GeForce 8600 GT Mac Edition

ATI Radeon HD 2900 GT

We compared two Desktop platform GPUs: 128MB VRAM GeForce 8600 GT Mac Edition and 256MB VRAM Radeon HD 2900 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8600 GT Mac Edition 's Advantages

Lower TDP (47W vs 150W)

ATI Radeon HD 2900 GT 's Advantages

Released 7 months late

More VRAM (256GB vs 128GB)

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

208 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8600 GT Mac Edition

0.093 TFLOPS

Radeon HD 2900 GT +209%

0.288 TFLOPS

GeForce 8600 GT Mac Edition

VS

Radeon HD 2900 GT

Graphics Card

Apr 2007

Release Date

Nov 2007

GeForce 8

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

750 MHz

Memory Clock

800 MHz

Memory

128MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

24.00GB/s

Bandwidth

51.20GB/s

Render Config

-

Compute Units

3

4

SM Count

-

32

Shading Units

240

16

TMUs

12

8

ROPs

12

-

32 KB

L2 Cache

128 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

7.212 GPixel/s

9.600 GTexel/s

Texture Rate

7.212 GTexel/s

-

92.80 GFLOPS

FP32 (float)

288.5 GFLOPS

-

Board Design

47W

TDP

150W

200 W

Suggested PSU

450 W

2x DVI

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 8-pin

Graphics Processor

G84

GPU Name

R600

G84-303-A2

GPU Variant

R600 GT (215RGFDKA13FG)

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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