NVIDIA GeForce 9400 GT PCI vs ATI Radeon HD 3550

VS

NVIDIA GeForce 9400 GT PCI

ATI Radeon HD 3550

We compared two Desktop platform GPUs: 256MB VRAM GeForce 9400 GT PCI and 512MB VRAM Radeon HD 3550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 9400 GT PCI 's Advantages

Larger VRAM bandwidth (12.80GB/s vs 6.336GB/s)

ATI Radeon HD 3550 's Advantages

More VRAM (512GB vs 256GB)

24 additional rendering cores

Lower TDP (30W vs 50W)

Score

Benchmark

FP32 (float)

GeForce 9400 GT PCI

0.045 TFLOPS

Radeon HD 3550 +6%

0.048 TFLOPS

GeForce 9400 GT PCI

VS

Radeon HD 3550

Graphics Card

Aug 2008

Release Date

Aug 2008

GeForce 9

Generation

Radeon R600

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

396 MHz

Memory

256MB

Memory Size

512MB

DDR2

Memory Type

DDR2

128bit

Memory Bus

64bit

12.80GB/s

Bandwidth

6.336GB/s

Render Config

-

Compute Units

2

SM Count

-

16

Shading Units

40

8

TMUs

4

ROPs

4

-

32 KB

L2 Cache

64 KB

-

Theoretical Performance

2.200 GPixel/s

Pixel Rate

2.376 GPixel/s

4.400 GTexel/s

Texture Rate

2.376 GTexel/s

-

44.80 GFLOPS

FP32 (float)

47.52 GFLOPS

-

Board Design

50W

TDP

30W

250 W

Suggested PSU

200 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DisplayPort

None

Power Connectors

None

Graphics Processor

G96C

GPU Name

RV620

-

GPU Variant

RV620 PRO (215-0670006)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.314 billion

Transistors

0.181 billion

121 mm²

Die Size

67 mm²

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

4.1

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