NVIDIA GeForce 8400 vs ATI Radeon X800 GTO

VS

NVIDIA GeForce 8400

ATI Radeon X800 GTO

We compared two Desktop platform GPUs: 256MB VRAM GeForce 8400 and 128MB VRAM Radeon X800 GTO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400 's Advantages

More VRAM (256GB vs 128GB)

8 additional rendering cores

Lower TDP (25W vs 49W)

ATI Radeon X800 GTO 's Advantages

Larger VRAM bandwidth (22.40GB/s vs 8.000GB/s)

Score

GeForce 8400

VS

Radeon X800 GTO

Graphics Card

Dec 2007

Release Date

Dec 2007

GeForce 8

Generation

Radeon R400 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

500 MHz

Memory Clock

350 MHz

Memory

256MB

Memory Size

128MB

DDR2

Memory Type

DDR

64bit

Memory Bus

256bit

8.000GB/s

Bandwidth

22.40GB/s

Render Config

-

1

SM Count

-

8

Shading Units

-

4

TMUs

12

4

ROPs

12

-

16 KB

L2 Cache

-

Theoretical Performance

2.160 GPixel/s

Pixel Rate

4.800 GPixel/s

2.160 GTexel/s

Texture Rate

4.800 GTexel/s

-

20.80 GFLOPS

FP32 (float)

-

Board Design

25W

TDP

49W

200 W

Suggested PSU

200 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DVI 1x VGA 1x S-Video

None

Power Connectors

-

Graphics Processor

G98

GPU Name

R423

-

GPU Variant

R423 GTO

Tesla

Architecture

R400

TSMC

Foundry

TSMC

65 nm

Process Size

130 nm

0.21 billion

Transistors

0.16 billion

86 mm²

Die Size

289 mm²

Graphics Features

11.1 (10_0)

DirectX

9.0b (9_2)

3.3

OpenGL

2.1

1.1

OpenCL

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

-

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