NVIDIA GeForce 8400 GS Rev. 3 vs NVIDIA GeForce 6800 XT

VS

NVIDIA GeForce 8400 GS Rev. 3

NVIDIA GeForce 6800 XT

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS Rev. 3 and 256MB VRAM GeForce 6800 XT 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 4 years and 10 months late

More VRAM (512GB vs 256GB)

8 additional rendering cores

NVIDIA GeForce 6800 XT 's Advantages

Larger VRAM bandwidth (38.40GB/s vs 6.400GB/s)

Score

GeForce 8400 GS Rev. 3

VS

GeForce 6800 XT

Graphics Card

Jul 2010

Release Date

Sep 2005

GeForce 8

Generation

GeForce 6 AGP

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

400 MHz

Memory Clock

600 MHz

Memory

512MB

Memory Size

256MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

256bit

6.400GB/s

Bandwidth

38.40GB/s

Render Config

-

1

SM Count

-

8

Shading Units

-

4

TMUs

12

4

ROPs

8

-

32 KB

L2 Cache

-

Theoretical Performance

2.080 GPixel/s

Pixel Rate

3.600 GPixel/s

2.080 GTexel/s

Texture Rate

5.400 GTexel/s

-

19.68 GFLOPS

FP32 (float)

-

Board Design

25W

TDP

Unknown

200 W

Suggested PSU

200 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DVI 1x VGA 1x S-Video

None

Power Connectors

1x Molex

Graphics Processor

GT218

GPU Name

NV42

8400GS-225-B1

GPU Variant

6800 XT

Tesla 2.0

Architecture

Curie

TSMC

Foundry

TSMC

40 nm

Process Size

110 nm

0.26 billion

Transistors

0.202 billion

57 mm²

Die Size

222 mm²

Graphics Features

11.1 (10_1)

DirectX

9.0c (9_3)

3.3

OpenGL

2.0 (full) 2.1 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

1.2

CUDA

-

4.1

Shader Model

3.0

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