NVIDIA GeForce 9400 GT vs ATI Radeon HD 3830

VS

NVIDIA GeForce 9400 GT

ATI Radeon HD 3830

We compared two Desktop platform GPUs: 128MB VRAM GeForce 9400 GT and 256MB VRAM Radeon HD 3830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 9400 GT 's Advantages

Lower TDP (50W vs 75W)

ATI Radeon HD 3830 's Advantages

More VRAM (256GB vs 128GB)

Larger VRAM bandwidth (26.50GB/s vs 9.600GB/s)

304 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 9400 GT

0.029 TFLOPS

Radeon HD 3830 +1375%

0.428 TFLOPS

GeForce 9400 GT

VS

Radeon HD 3830

Graphics Card

Aug 2008

Release Date

Apr 2008

GeForce 9

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

600 MHz

Memory Clock

828 MHz

Memory

128MB

Memory Size

256MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

128bit

9.600GB/s

Bandwidth

26.50GB/s

Render Config

-

Compute Units

4

2

SM Count

-

16

Shading Units

320

8

TMUs

16

4

ROPs

16

-

16 KB

L2 Cache

128 KB

-

Theoretical Performance

1.836 GPixel/s

Pixel Rate

10.69 GPixel/s

3.672 GTexel/s

Texture Rate

10.69 GTexel/s

-

29.38 GFLOPS

FP32 (float)

427.5 GFLOPS

-

FP64 (double)

85.50 GFLOPS

Board Design

50W

TDP

75W

250 W

Suggested PSU

250 W

1x DVI 1x VGA 1x S-Video

Outputs

No outputs

None

Power Connectors

1x 6-pin

Graphics Processor

G86

GPU Name

RV670

-

GPU Variant

RV670 PRO (215-0708003)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

80 nm

Process Size

55 nm

0.21 billion

Transistors

0.666 billion

127 mm²

Die Size

192 mm²

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

4.1

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