ATI Radeon HD 2600 XT Mac Edition vs NVIDIA GeForce 9400 GT

VS

ATI Radeon HD 2600 XT Mac Edition

NVIDIA GeForce 9400 GT

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 128MB VRAM GeForce 9400 GT 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

More VRAM (256GB vs 128GB)

Larger VRAM bandwidth (25.60GB/s vs 9.600GB/s)

104 additional rendering cores

Lower TDP (45W vs 50W)

NVIDIA GeForce 9400 GT 's Advantages

Released 6 months late

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition +479%

0.168 TFLOPS

GeForce 9400 GT

0.029 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

GeForce 9400 GT

Graphics Card

Feb 2008

Release Date

Aug 2008

Radeon R600

Generation

GeForce 9

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

600 MHz

Memory

256MB

Memory Size

128MB

GDDR3

Memory Type

DDR2

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

9.600GB/s

Render Config

3

Compute Units

-

SM Count

2

120

Shading Units

16

8

TMUs

8

4

ROPs

4

-

64 KB

L2 Cache

16 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

1.836 GPixel/s

5.600 GTexel/s

Texture Rate

3.672 GTexel/s

-

168.0 GFLOPS

FP32 (float)

29.38 GFLOPS

-

Board Design

45W

TDP

50W

200 W

Suggested PSU

250 W

2x DVI

Outputs

1x DVI 1x VGA 1x S-Video

None

Power Connectors

None

Graphics Processor

RV630

GPU Name

G86

-

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

65 nm

Process Size

80 nm

0.39 billion

Transistors

0.21 billion

153 mm²

Die Size

127 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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