NVIDIA GeForce 8400 vs ATI Radeon X550 XT

VS

NVIDIA GeForce 8400

ATI Radeon X550 XT

We compared two Desktop platform GPUs: 256MB VRAM GeForce 8400 and 128MB VRAM Radeon X550 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400 's Advantages

Released 11 months late

More VRAM (256GB vs 128GB)

8 additional rendering cores

ATI Radeon X550 XT 's Advantages

Larger VRAM bandwidth (9.600GB/s vs 8.000GB/s)

Score

GeForce 8400

VS

Radeon X550 XT

Graphics Card

Dec 2007

Release Date

Jan 2007

GeForce 8

Generation

Radeon R300

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

500 MHz

Memory Clock

300 MHz

Memory

256MB

Memory Size

128MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

128bit

8.000GB/s

Bandwidth

9.600GB/s

Render Config

-

1

SM Count

-

8

Shading Units

-

4

TMUs

4

ROPs

4

-

16 KB

L2 Cache

-

Theoretical Performance

2.160 GPixel/s

Pixel Rate

1.600 GPixel/s

2.160 GTexel/s

Texture Rate

1.600 GTexel/s

-

20.80 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

None

Graphics Processor

G98

GPU Name

RV410

-

Tesla

Architecture

R400

TSMC

Foundry

TSMC

65 nm

Process Size

110 nm

0.21 billion

Transistors

0.12 billion

86 mm²

Die Size

156 mm²

Graphics Features

11.1 (10_0)

DirectX

9.0b (9_2)

3.3

OpenGL

2.0

1.1

OpenCL

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

-

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