NVIDIA GeForce 8400 GS Rev. 3 vs NVIDIA GeForce 9400 GT PCI

VS

NVIDIA GeForce 8400 GS Rev. 3

NVIDIA GeForce 9400 GT PCI

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS Rev. 3 and 256MB VRAM GeForce 9400 GT PCI 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

More VRAM (512GB vs 256GB)

Lower TDP (25W vs 50W)

NVIDIA GeForce 9400 GT PCI 's Advantages

Larger VRAM bandwidth (12.80GB/s vs 6.400GB/s)

8 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400 GS Rev. 3

0.02 TFLOPS

GeForce 9400 GT PCI +125%

0.045 TFLOPS

GeForce 8400 GS Rev. 3

VS

GeForce 9400 GT PCI

Graphics Card

Jul 2010

Release Date

Aug 2008

GeForce 8

Generation

GeForce 9

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCI

Clock Speeds

-

400 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

256MB

DDR2

Memory Type

DDR2

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

12.80GB/s

Render Config

-

1

SM Count

2

8

Shading Units

16

4

TMUs

8

4

ROPs

4

-

32 KB

L2 Cache

32 KB

-

Theoretical Performance

2.080 GPixel/s

Pixel Rate

2.200 GPixel/s

2.080 GTexel/s

Texture Rate

4.400 GTexel/s

-

19.68 GFLOPS

FP32 (float)

44.80 GFLOPS

-

Board Design

25W

TDP

50W

200 W

Suggested PSU

250 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DVI 1x VGA 1x S-Video

None

Power Connectors

None

Graphics Processor

GT218

GPU Name

G96C

8400GS-225-B1

GPU Variant

-

Tesla 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.26 billion

Transistors

0.314 billion

57 mm²

Die Size

121 mm²

Graphics Features

11.1 (10_1)

DirectX

11.1 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.2

CUDA

1.1

4.1

Shader Model

4.0

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