ATI Radeon HD 3470 vs NVIDIA GeForce 8400 GS PCI Rev. 2

VS

ATI Radeon HD 3470

NVIDIA GeForce 8400 GS PCI Rev. 2

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 3470 and 512MB VRAM GeForce 8400 GS PCI Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3470 's Advantages

Released 9 months late

Larger VRAM bandwidth (15.20GB/s vs 8.000GB/s)

24 additional rendering cores

Lower TDP (30W vs 40W)

NVIDIA GeForce 8400 GS PCI Rev. 2 's Advantages

More VRAM (512GB vs 256GB)

Score

Benchmark

FP32 (float)

Radeon HD 3470 +64%

0.064 TFLOPS

GeForce 8400 GS PCI Rev. 2

0.039 TFLOPS

Radeon HD 3470

VS

GeForce 8400 GS PCI Rev. 2

Graphics Card

Jan 2008

Release Date

Apr 2007

Radeon R600

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCI

Clock Speeds

-

950 MHz

Memory Clock

500 MHz

Memory

256MB

Memory Size

512MB

GDDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

15.20GB/s

Bandwidth

8.000GB/s

Render Config

2

Compute Units

-

SM Count

2

40

Shading Units

16

4

TMUs

8

4

ROPs

4

-

64 KB

L2 Cache

32 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

2.080 GPixel/s

3.200 GTexel/s

Texture Rate

4.160 GTexel/s

-

64.00 GFLOPS

FP32 (float)

39.36 GFLOPS

-

Board Design

30W

TDP

40W

200 W

Suggested PSU

200 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DVI 1x HDMI 1x VGA

None

Power Connectors

None

Graphics Processor

RV620

GPU Name

GT218

RV620 PRO (215-0670006)

GPU Variant

-

TeraScale

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.181 billion

Transistors

0.26 billion

67 mm²

Die Size

57 mm²

Graphics Features

10.1 (10_1)

DirectX

11.1 (10_1)

3.3

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.2

4.1

Shader Model

4.1

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