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

VS

NVIDIA GeForce GTX 280

ATI Radeon HD 2600 XT Mac Edition

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 280 and 256MB VRAM Radeon HD 2600 XT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

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

ATI Radeon HD 2600 XT Mac Edition 's Advantages

Lower TDP (45W vs 236W)

Score

Benchmark

FP32 (float)

GeForce GTX 280 +270%

0.622 TFLOPS

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

GeForce GTX 280

VS

Radeon HD 2600 XT Mac Edition

Graphics Card

Jun 2008

Release Date

Feb 2008

GeForce 200

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1107 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

512bit

Memory Bus

128bit

141.7GB/s

Bandwidth

25.60GB/s

Render Config

-

Compute Units

3

30

SM Count

-

240

Shading Units

120

80

TMUs

8

32

ROPs

4

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

19.26 GPixel/s

Pixel Rate

2.800 GPixel/s

48.16 GTexel/s

Texture Rate

5.600 GTexel/s

-

622.1 GFLOPS

FP32 (float)

168.0 GFLOPS

77.76 GFLOPS

FP64 (double)

-

Board Design

236W

TDP

45W

550 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

2x DVI

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GT200

GPU Name

RV630

G200-300-A2

GPU Variant

-

Tesla 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

65 nm

1.4 billion

Transistors

0.39 billion

576 mm²

Die Size

153 mm²

Graphics Features

11.1 (10_0)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

1.3

CUDA

-

4.0

Shader Model

4.0

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