ATI Radeon HD 2600 XT Mac Edition vs AMD FireStream 9270

VS

ATI Radeon HD 2600 XT Mac Edition

AMD FireStream 9270

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 2GB VRAM FireStream 9270 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

Lower TDP (45W vs 160W)

AMD FireStream 9270 's Advantages

Released 9 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (115.2GB/s vs 25.60GB/s)

680 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

FireStream 9270 +614%

1.2 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

FireStream 9270

Graphics Card

Feb 2008

Release Date

Nov 2008

Radeon R600

Generation

FireStream

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

25.60GB/s

Bandwidth

115.2GB/s

Render Config

3

Compute Units

10

-

120

Shading Units

800

8

TMUs

40

4

ROPs

16

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

12.00 GPixel/s

5.600 GTexel/s

Texture Rate

30.00 GTexel/s

-

168.0 GFLOPS

FP32 (float)

1200 GFLOPS

-

FP64 (double)

240.0 GFLOPS

Board Design

45W

TDP

160W

200 W

Suggested PSU

450 W

2x DVI

Outputs

1x DVI

None

Power Connectors

2x 6-pin

Graphics Processor

RV630

GPU Name

RV770

-

GPU Variant

RV770 XT

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

55 nm

0.39 billion

Transistors

0.956 billion

153 mm²

Die Size

256 mm²

Graphics Features

10.0 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

4.0

Shader Model

4.1

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