ATI Radeon HD 2600 XT Mac Edition vs NVIDIA GeForce GTX 280

VS

ATI Radeon HD 2600 XT Mac Edition

NVIDIA GeForce GTX 280

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 1024MB VRAM GeForce GTX 280 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 236W)

NVIDIA GeForce GTX 280 's Advantages

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (141.7GB/s vs 25.60GB/s)

120 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

GeForce GTX 280 +270%

0.622 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

GeForce GTX 280

Graphics Card

Feb 2008

Release Date

Jun 2008

Radeon R600

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1107 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

512bit

25.60GB/s

Bandwidth

141.7GB/s

Render Config

3

Compute Units

-

SM Count

30

120

Shading Units

240

8

TMUs

80

4

ROPs

32

-

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

19.26 GPixel/s

5.600 GTexel/s

Texture Rate

48.16 GTexel/s

-

168.0 GFLOPS

FP32 (float)

622.1 GFLOPS

-

FP64 (double)

77.76 GFLOPS

Board Design

45W

TDP

236W

200 W

Suggested PSU

550 W

2x DVI

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV630

GPU Name

GT200

-

GPU Variant

G200-300-A2

TeraScale

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

65 nm

Process Size

65 nm

0.39 billion

Transistors

1.4 billion

153 mm²

Die Size

576 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

1.3

4.0

Shader Model

4.0

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