NVIDIA GeForce 9400 GT vs ATI Radeon HD 4650

VS

NVIDIA GeForce 9400 GT

ATI Radeon HD 4650

We compared two Desktop platform GPUs: 128MB VRAM GeForce 9400 GT and 256MB VRAM Radeon HD 4650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4650 's Advantages

More VRAM (256GB vs 128GB)

Larger VRAM bandwidth (22.40GB/s vs 9.600GB/s)

304 additional rendering cores

Lower TDP (48W vs 50W)

Score

Benchmark

FP32 (float)

GeForce 9400 GT

0.029 TFLOPS

Radeon HD 4650 +1224%

0.384 TFLOPS

GeForce 9400 GT

VS

Radeon HD 4650

Graphics Card

Aug 2008

Release Date

Sep 2008

GeForce 9

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

600 MHz

Memory Clock

700 MHz

Memory

128MB

Memory Size

256MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

128bit

9.600GB/s

Bandwidth

22.40GB/s

Render Config

-

Compute Units

4

2

SM Count

-

16

Shading Units

320

8

TMUs

32

4

ROPs

8

-

L1 Cache

16 KB (per CU)

16 KB

L2 Cache

128 KB

-

Theoretical Performance

1.836 GPixel/s

Pixel Rate

4.800 GPixel/s

3.672 GTexel/s

Texture Rate

19.20 GTexel/s

-

29.38 GFLOPS

FP32 (float)

384.0 GFLOPS

-

Board Design

50W

TDP

48W

250 W

Suggested PSU

200 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DVI 1x S-Video

None

Power Connectors

-

Graphics Processor

G86

GPU Name

RV730

-

GPU Variant

RV730 PRO (215-0719056)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

80 nm

Process Size

55 nm

0.21 billion

Transistors

0.514 billion

127 mm²

Die Size

146 mm²

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

4.1

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