NVIDIA GeForce 9400 GT vs ATI Radeon HD 4250

VS

NVIDIA GeForce 9400 GT

ATI Radeon HD 4250

We compared two Desktop platform GPUs: 128MB VRAM GeForce 9400 GT and 512MB VRAM Radeon HD 4250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 9400 GT 's Advantages

Larger VRAM bandwidth (9.600GB/s vs 6.336GB/s)

ATI Radeon HD 4250 's Advantages

Released 6 months late

More VRAM (512GB vs 128GB)

24 additional rendering cores

Lower TDP (25W vs 50W)

Score

Benchmark

FP32 (float)

GeForce 9400 GT

0.029 TFLOPS

Radeon HD 4250 +65%

0.048 TFLOPS

GeForce 9400 GT

VS

Radeon HD 4250

Graphics Card

Aug 2008

Release Date

Feb 2009

GeForce 9

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

600 MHz

Memory Clock

396 MHz

Memory

128MB

Memory Size

512MB

DDR2

Memory Type

DDR2

64bit

Memory Bus

64bit

9.600GB/s

Bandwidth

6.336GB/s

Render Config

-

Compute Units

2

SM Count

-

16

Shading Units

40

8

TMUs

4

ROPs

4

-

16 KB

L2 Cache

64 KB

-

Theoretical Performance

1.836 GPixel/s

Pixel Rate

2.376 GPixel/s

3.672 GTexel/s

Texture Rate

2.376 GTexel/s

-

29.38 GFLOPS

FP32 (float)

47.52 GFLOPS

-

Board Design

50W

TDP

25W

250 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

G86

GPU Name

RV620

-

GPU Variant

RV620 LE

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

80 nm

Process Size

55 nm

0.21 billion

Transistors

0.181 billion

127 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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