ATI Radeon HD 5670 vs NVIDIA GeForce 8400 GS Rev. 3

VS

ATI Radeon HD 5670

NVIDIA GeForce 8400 GS Rev. 3

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5670 and 512MB VRAM GeForce 8400 GS Rev. 3 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5670 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 6.400GB/s)

392 additional rendering cores

NVIDIA GeForce 8400 GS Rev. 3 's Advantages

Released 6 months late

Lower TDP (25W vs 64W)

Score

Benchmark

FP32 (float)

Radeon HD 5670 +3000%

0.62 TFLOPS

GeForce 8400 GS Rev. 3

0.02 TFLOPS

Radeon HD 5670

VS

GeForce 8400 GS Rev. 3

Graphics Card

Jan 2010

Release Date

Jul 2010

Evergreen

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

400 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

6.400GB/s

Render Config

5

Compute Units

-

SM Count

1

400

Shading Units

8

20

TMUs

4

8

ROPs

4

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

6.200 GPixel/s

Pixel Rate

2.080 GPixel/s

15.50 GTexel/s

Texture Rate

2.080 GTexel/s

-

620.0 GFLOPS

FP32 (float)

19.68 GFLOPS

-

Board Design

64W

TDP

25W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x VGA 1x S-Video

None

Power Connectors

None

Graphics Processor

Redwood

GPU Name

GT218

Redwood XT (215-0757002)

GPU Variant

8400GS-225-B1

TeraScale 2

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

0.26 billion

104 mm²

Die Size

57 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.2

5.0

Shader Model

4.1

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