ATI Radeon HD 2600 XT Mac Edition vs NVIDIA GeForce 8600 GT Mac Edition

VS

ATI Radeon HD 2600 XT Mac Edition

NVIDIA GeForce 8600 GT Mac Edition

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition 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 2600 XT Mac Edition 's Advantages

Released 10 months late

More VRAM (256GB vs 128GB)

Larger VRAM bandwidth (25.60GB/s vs 24.00GB/s)

88 additional rendering cores

Lower TDP (45W vs 47W)

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition +80%

0.168 TFLOPS

GeForce 8600 GT Mac Edition

0.093 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

GeForce 8600 GT Mac Edition

Graphics Card

Feb 2008

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

256MB

Memory Size

128MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

24.00GB/s

Render Config

3

Compute Units

-

SM Count

4

120

Shading Units

32

8

TMUs

16

4

ROPs

8

-

64 KB

L2 Cache

32 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

4.800 GPixel/s

5.600 GTexel/s

Texture Rate

9.600 GTexel/s

-

168.0 GFLOPS

FP32 (float)

92.80 GFLOPS

-

Board Design

45W

TDP

47W

200 W

Suggested PSU

200 W

2x DVI

Outputs

2x DVI

None

Power Connectors

None

Graphics Processor

RV630

GPU Name

G84

-

GPU Variant

G84-303-A2

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

65 nm

Process Size

80 nm

0.39 billion

Transistors

0.289 billion

153 mm²

Die Size

169 mm²

Graphics Features

10.0 (10_0)

DirectX

11.1 (10_0)

3.3

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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