NVIDIA GeForce 8800 GTS 320 vs NVIDIA GeForce 8400 GS PCI Rev. 2

VS

NVIDIA GeForce 8800 GTS 320

NVIDIA GeForce 8400 GS PCI Rev. 2

We compared two Desktop platform GPUs: 320MB VRAM GeForce 8800 GTS 320 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

NVIDIA GeForce 8800 GTS 320 's Advantages

Larger VRAM bandwidth (63.36GB/s vs 8.000GB/s)

80 additional rendering cores

NVIDIA GeForce 8400 GS PCI Rev. 2 's Advantages

More VRAM (512GB vs 320GB)

Lower TDP (40W vs 143W)

Score

Benchmark

FP32 (float)

GeForce 8800 GTS 320 +484%

0.228 TFLOPS

GeForce 8400 GS PCI Rev. 2

0.039 TFLOPS

GeForce 8800 GTS 320

VS

GeForce 8400 GS PCI Rev. 2

Graphics Card

Feb 2007

Release Date

Apr 2007

GeForce 8

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCI

Clock Speeds

-

792 MHz

Memory Clock

500 MHz

Memory

320MB

Memory Size

512MB

GDDR3

Memory Type

DDR3

320bit

Memory Bus

64bit

63.36GB/s

Bandwidth

8.000GB/s

Render Config

-

12

SM Count

2

96

Shading Units

16

24

TMUs

8

20

ROPs

4

-

80 KB

L2 Cache

32 KB

-

Theoretical Performance

10.26 GPixel/s

Pixel Rate

2.080 GPixel/s

24.62 GTexel/s

Texture Rate

4.160 GTexel/s

-

228.1 GFLOPS

FP32 (float)

39.36 GFLOPS

-

Board Design

143W

TDP

40W

300 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

G80

GPU Name

GT218

G80-100-K0-A2

GPU Variant

-

Tesla

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

90 nm

Process Size

40 nm

0.681 billion

Transistors

0.26 billion

484 mm²

Die Size

57 mm²

Graphics Features

11.1 (10_0)

DirectX

11.1 (10_1)

3.3

OpenGL

3.3

1.1 (1.0)

OpenCL

1.1

N/A

Vulkan

N/A

1.0

CUDA

1.2

4.0

Shader Model

4.1

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