NVIDIA GeForce 8400 GS Rev. 3 vs ATI Radeon HD 4870 X2

VS

NVIDIA GeForce 8400 GS Rev. 3 ATI Radeon HD 4870 X2

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS Rev. 3 and 1024MB VRAM Radeon HD 4870 X2 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

Released 1 years and 11 months late

Lower TDP (25W vs 286W)

ATI Radeon HD 4870 X2 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (115.2GB/s vs 6.400GB/s)

792 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400 GS Rev. 3

0.02 TFLOPS

Radeon HD 4870 X2 +5900%

1.2 TFLOPS

GeForce 8400 GS Rev. 3

VS

Radeon HD 4870 X2

Graphics Card

Jul 2010

Release Date

Aug 2008

GeForce 8

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

400 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

256bit

6.400GB/s

Bandwidth

115.2GB/s

Render Config

1

SM Count

-

Compute Units

10

8

Shading Units

800

4

TMUs

40

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

256 KB

Theoretical Performance

2.080 GPixel/s

Pixel Rate

12.00 GPixel/s

2.080 GTexel/s

Texture Rate

30.00 GTexel/s

-

FP16 (half)

-

19.68 GFLOPS

FP32 (float)

1200 GFLOPS

-

FP64 (double)

240.0 GFLOPS

Graphics Processor

GT218

GPU Name

R700

8400GS-225-B1

GPU Variant

R700 XT (215-0669045)

Tesla 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.26 billion

Transistors

0.956 billion

57 mm²

Die Size

256 mm²

Board Design

25W

TDP

286W

200 W

Suggested PSU

600 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

11.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.2

CUDA

-

4.1

Shader Model

4.1

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