ATI Radeon HD 4670 vs NVIDIA GeForce 8400 GS Rev. 3

VS

ATI Radeon HD 4670

NVIDIA GeForce 8400 GS Rev. 3

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 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 4670 's Advantages

Larger VRAM bandwidth (32.00GB/s vs 6.400GB/s)

312 additional rendering cores

NVIDIA GeForce 8400 GS Rev. 3 's Advantages

Released 1 years and 10 months late

Lower TDP (25W vs 59W)

Score

Benchmark

FP32 (float)

Radeon HD 4670 +2300%

0.48 TFLOPS

GeForce 8400 GS Rev. 3

0.02 TFLOPS

Radeon HD 4670

VS

GeForce 8400 GS Rev. 3

Graphics Card

Sep 2008

Release Date

Jul 2010

Radeon R700

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

512MB

Memory Size

512MB

GDDR3

Memory Type

DDR2

128bit

Memory Bus

64bit

32.00GB/s

Bandwidth

6.400GB/s

Render Config

4

Compute Units

-

SM Count

1

320

Shading Units

8

32

TMUs

4

8

ROPs

4

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

32 KB

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

2.080 GPixel/s

24.00 GTexel/s

Texture Rate

2.080 GTexel/s

-

480.0 GFLOPS

FP32 (float)

19.68 GFLOPS

-

Board Design

59W

TDP

25W

250 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x VGA 1x S-Video

None

Power Connectors

None

Graphics Processor

RV730

GPU Name

GT218

RV730 XT (215-0719047)

GPU Variant

8400GS-225-B1

TeraScale

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

0.26 billion

146 mm²

Die Size

57 mm²

Graphics Features

10.1 (10_1)

DirectX

11.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.2

4.1

Shader Model

4.1

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