NVIDIA GeForce 8400 GS Rev. 2 vs ATI Radeon HD 2600 XT Mac Edition

VS

NVIDIA GeForce 8400 GS Rev. 2 ATI Radeon HD 2600 XT Mac Edition

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS Rev. 2 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 8400 GS Rev. 2 's Advantages

More VRAM (512GB vs 256GB)

Lower TDP (25W vs 45W)

ATI Radeon HD 2600 XT Mac Edition 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 6.400GB/s)

112 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400 GS Rev. 2

0.022 TFLOPS

Radeon HD 2600 XT Mac Edition +663%

0.168 TFLOPS

GeForce 8400 GS Rev. 2

VS

Radeon HD 2600 XT Mac Edition

Graphics Card

Dec 2007

Release Date

Feb 2008

GeForce 8

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

400 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

256MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

25.60GB/s

Render Config

1

SM Count

-

Compute Units

3

8

Shading Units

120

4

TMUs

8

4

ROPs

4

-

Tensor Cores

-

RT Cores

-

L1 Cache

-

16 KB

L2 Cache

64 KB

Theoretical Performance

2.268 GPixel/s

Pixel Rate

2.800 GPixel/s

2.268 GTexel/s

Texture Rate

5.600 GTexel/s

-

FP16 (half)

-

22.40 GFLOPS

FP32 (float)

168.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

G98

GPU Name

RV630

-

GPU Variant

-

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

65 nm

0.21 billion

Transistors

0.39 billion

86 mm²

Die Size

153 mm²

Board Design

25W

TDP

45W

200 W

Suggested PSU

200 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DVI

None

Power Connectors

None

Graphics Features

11.1 (10_0)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

4.0

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