NVIDIA GeForce 8400 vs ATI Radeon HD 4670

VS

NVIDIA GeForce 8400

ATI Radeon HD 4670

We compared two Desktop platform GPUs: 256MB VRAM GeForce 8400 and 512MB VRAM Radeon HD 4670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400 's Advantages

Lower TDP (25W vs 59W)

ATI Radeon HD 4670 's Advantages

Released 9 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (32.00GB/s vs 8.000GB/s)

312 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400

0.021 TFLOPS

Radeon HD 4670 +2185%

0.48 TFLOPS

GeForce 8400

VS

Radeon HD 4670

Graphics Card

Dec 2007

Release Date

Sep 2008

GeForce 8

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

1000 MHz

Memory

256MB

Memory Size

512MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

128bit

8.000GB/s

Bandwidth

32.00GB/s

Render Config

-

Compute Units

4

1

SM Count

-

8

Shading Units

320

4

TMUs

32

4

ROPs

8

-

L1 Cache

16 KB (per CU)

16 KB

L2 Cache

128 KB

-

Theoretical Performance

2.160 GPixel/s

Pixel Rate

6.000 GPixel/s

2.160 GTexel/s

Texture Rate

24.00 GTexel/s

-

20.80 GFLOPS

FP32 (float)

480.0 GFLOPS

-

Board Design

25W

TDP

59W

200 W

Suggested PSU

250 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DVI 1x S-Video

None

Power Connectors

None

Graphics Processor

G98

GPU Name

RV730

-

GPU Variant

RV730 XT (215-0719047)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

55 nm

0.21 billion

Transistors

0.514 billion

86 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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