NVIDIA GeForce 8800 Ultra vs NVIDIA GeForce 8400 GS Rev. 2

VS

NVIDIA GeForce 8800 Ultra NVIDIA GeForce 8400 GS Rev. 2

We compared two Desktop platform GPUs: 768MB VRAM GeForce 8800 Ultra and 512MB VRAM GeForce 8400 GS Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

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

NVIDIA GeForce 8400 GS Rev. 2 's Advantages

Released 7 months late

Lower TDP (25W vs 171W)

Score

Benchmark

FP32 (float)

GeForce 8800 Ultra +1659%

0.387 TFLOPS

GeForce 8400 GS Rev. 2

0.022 TFLOPS

GeForce 8800 Ultra

VS

GeForce 8400 GS Rev. 2

Graphics Card

May 2007

Release Date

Dec 2007

GeForce 8

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1080 MHz

Memory Clock

400 MHz

Memory

768MB

Memory Size

512MB

GDDR3

Memory Type

DDR2

384bit

Memory Bus

64bit

103.7GB/s

Bandwidth

6.400GB/s

Render Config

16

SM Count

1

-

Compute Units

-

128

Shading Units

8

32

TMUs

4

24

ROPs

4

-

Tensor Cores

-

RT Cores

-

L1 Cache

-

96 KB

L2 Cache

16 KB

Theoretical Performance

14.69 GPixel/s

Pixel Rate

2.268 GPixel/s

39.17 GTexel/s

Texture Rate

2.268 GTexel/s

-

FP16 (half)

-

387.1 GFLOPS

FP32 (float)

22.40 GFLOPS

-

FP64 (double)

-

Graphics Processor

G80

GPU Name

G98

G80-450-A3

GPU Variant

-

Tesla

Architecture

Tesla

TSMC

Foundry

TSMC

90 nm

Process Size

65 nm

0.681 billion

Transistors

0.21 billion

484 mm²

Die Size

86 mm²

Board Design

171W

TDP

25W

450 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Features

11.1 (10_0)

DirectX

11.1 (10_0)

3.3

OpenGL

3.3

1.1 (1.0)

OpenCL

1.1

N/A

Vulkan

N/A

1.0

CUDA

1.1

4.0

Shader Model

4.0

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