ATI Radeon HD 3550 vs NVIDIA GeForce 8400 GS

VS

ATI Radeon HD 3550

NVIDIA GeForce 8400 GS

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3550 and 256MB VRAM GeForce 8400 GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3550 's Advantages

Released 1 years and 4 months late

More VRAM (512GB vs 256GB)

24 additional rendering cores

Lower TDP (30W vs 40W)

NVIDIA GeForce 8400 GS 's Advantages

Larger VRAM bandwidth (6.400GB/s vs 6.336GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 3550 +65%

0.048 TFLOPS

GeForce 8400 GS

0.029 TFLOPS

Radeon HD 3550

VS

GeForce 8400 GS

Graphics Card

Aug 2008

Release Date

Apr 2007

Radeon R600

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

396 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

256MB

DDR2

Memory Type

DDR2

64bit

Memory Bus

64bit

6.336GB/s

Bandwidth

6.400GB/s

Render Config

2

Compute Units

-

SM Count

2

40

Shading Units

16

4

TMUs

8

4

ROPs

4

-

64 KB

L2 Cache

16 KB

-

Theoretical Performance

2.376 GPixel/s

Pixel Rate

1.836 GPixel/s

2.376 GTexel/s

Texture Rate

3.672 GTexel/s

-

47.52 GFLOPS

FP32 (float)

29.38 GFLOPS

-

Board Design

30W

TDP

40W

200 W

Suggested PSU

200 W

2x DisplayPort

Outputs

1x DVI 1x VGA 1x S-Video

None

Power Connectors

None

Graphics Processor

RV620

GPU Name

G86

RV620 PRO (215-0670006)

GPU Variant

G86-213-A2

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

55 nm

Process Size

80 nm

0.181 billion

Transistors

0.21 billion

67 mm²

Die Size

127 mm²

Graphics Features

10.1 (10_1)

DirectX

11.1 (10_0)

3.3

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

4.1

Shader Model

4.0

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