NVIDIA GeForce 8400 GS Rev. 3 vs NVIDIA GeForce 8800 Ultra

VS

NVIDIA GeForce 8400 GS Rev. 3

NVIDIA GeForce 8800 Ultra

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS Rev. 3 and 768MB VRAM GeForce 8800 Ultra 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 3 years and 2 months late

Lower TDP (25W vs 171W)

NVIDIA GeForce 8800 Ultra 's Advantages

More VRAM (768GB vs 512GB)

Larger VRAM bandwidth (103.7GB/s vs 6.400GB/s)

120 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400 GS Rev. 3

0.02 TFLOPS

GeForce 8800 Ultra +1835%

0.387 TFLOPS

GeForce 8400 GS Rev. 3

VS

GeForce 8800 Ultra

Graphics Card

Jul 2010

Release Date

May 2007

GeForce 8

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

400 MHz

Memory Clock

1080 MHz

Memory

512MB

Memory Size

768MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

384bit

6.400GB/s

Bandwidth

103.7GB/s

Render Config

-

1

SM Count

16

8

Shading Units

128

4

TMUs

32

4

ROPs

24

-

32 KB

L2 Cache

96 KB

-

Theoretical Performance

2.080 GPixel/s

Pixel Rate

14.69 GPixel/s

2.080 GTexel/s

Texture Rate

39.17 GTexel/s

-

19.68 GFLOPS

FP32 (float)

387.1 GFLOPS

-

Board Design

25W

TDP

171W

200 W

Suggested PSU

450 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DVI 1x S-Video

None

Power Connectors

2x 6-pin

Graphics Processor

GT218

GPU Name

G80

8400GS-225-B1

GPU Variant

G80-450-A3

Tesla 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

90 nm

0.26 billion

Transistors

0.681 billion

57 mm²

Die Size

484 mm²

Graphics Features

11.1 (10_1)

DirectX

11.1 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

1.1 (1.0)

N/A

Vulkan

N/A

1.2

CUDA

1.0

4.1

Shader Model

4.0

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