NVIDIA GeForce 8400 GS Rev. 3 vs AMD Radeon HD 7670 OEM

VS

NVIDIA GeForce 8400 GS Rev. 3

AMD Radeon HD 7670 OEM

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS Rev. 3 and 512MB VRAM Radeon HD 7670 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400 GS Rev. 3 's Advantages

Lower TDP (25W vs 66W)

AMD Radeon HD 7670 OEM 's Advantages

Released 1 years and 6 months late

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

472 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400 GS Rev. 3

0.02 TFLOPS

Radeon HD 7670 OEM +3740%

0.768 TFLOPS

GeForce 8400 GS Rev. 3

VS

Radeon HD 7670 OEM

Graphics Card

Jul 2010

Release Date

Jan 2012

GeForce 8

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

512MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

6

1

SM Count

-

8

Shading Units

480

4

TMUs

24

4

ROPs

8

-

L1 Cache

8 KB (per CU)

32 KB

L2 Cache

256 KB

-

Theoretical Performance

2.080 GPixel/s

Pixel Rate

6.400 GPixel/s

2.080 GTexel/s

Texture Rate

19.20 GTexel/s

-

19.68 GFLOPS

FP32 (float)

768.0 GFLOPS

-

Board Design

25W

TDP

66W

200 W

Suggested PSU

250 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DVI 1x DisplayPort 1.1 1x VGA

None

Power Connectors

None

Graphics Processor

GT218

GPU Name

Turks

8400GS-225-B1

GPU Variant

Turks XT (215-0803000)

Tesla 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.26 billion

Transistors

0.716 billion

57 mm²

Die Size

118 mm²

Graphics Features

11.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

1.2

CUDA

-

4.1

Shader Model

5.0

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