ATI Radeon HD 2600 XT Mac Edition vs NVIDIA GeForce 8400

VS

ATI Radeon HD 2600 XT Mac Edition

NVIDIA GeForce 8400

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 256MB VRAM GeForce 8400 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

Larger VRAM bandwidth (25.60GB/s vs 8.000GB/s)

112 additional rendering cores

NVIDIA GeForce 8400 's Advantages

Lower TDP (25W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition +700%

0.168 TFLOPS

GeForce 8400

0.021 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

GeForce 8400

Graphics Card

Feb 2008

Release Date

Dec 2007

Radeon R600

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

500 MHz

Memory

256MB

Memory Size

256MB

GDDR3

Memory Type

DDR2

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

8.000GB/s

Render Config

3

Compute Units

-

SM Count

1

120

Shading Units

8

TMUs

4

ROPs

4

-

64 KB

L2 Cache

16 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

2.160 GPixel/s

5.600 GTexel/s

Texture Rate

2.160 GTexel/s

-

168.0 GFLOPS

FP32 (float)

20.80 GFLOPS

-

Board Design

45W

TDP

25W

200 W

Suggested PSU

200 W

2x DVI

Outputs

1x DVI 1x VGA 1x S-Video

None

Power Connectors

None

Graphics Processor

RV630

GPU Name

G98

-

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

65 nm

Process Size

65 nm

0.39 billion

Transistors

0.21 billion

153 mm²

Die Size

86 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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