ATI Radeon HD 4860 vs NVIDIA GeForce 8400

VS

ATI Radeon HD 4860

NVIDIA GeForce 8400

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4860 and 256MB VRAM GeForce 8400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4860 's Advantages

Released 1 years and 9 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (96.00GB/s vs 8.000GB/s)

632 additional rendering cores

NVIDIA GeForce 8400 's Advantages

Lower TDP (25W vs 130W)

Score

Benchmark

FP32 (float)

Radeon HD 4860 +4166%

0.896 TFLOPS

GeForce 8400

0.021 TFLOPS

Radeon HD 4860

VS

GeForce 8400

Graphics Card

Sep 2009

Release Date

Dec 2007

Radeon R700

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

750 MHz

Memory Clock

500 MHz

Memory

512MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

96.00GB/s

Bandwidth

8.000GB/s

Render Config

8

Compute Units

-

SM Count

1

640

Shading Units

8

32

TMUs

4

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

16 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

2.160 GPixel/s

22.40 GTexel/s

Texture Rate

2.160 GTexel/s

-

896.0 GFLOPS

FP32 (float)

20.80 GFLOPS

179.2 GFLOPS

FP64 (double)

-

Board Design

130W

TDP

25W

300 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

RV790

GPU Name

G98

RV790 GT

GPU Variant

-

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

55 nm

Process Size

65 nm

0.959 billion

Transistors

0.21 billion

282 mm²

Die Size

86 mm²

Graphics Features

10.1 (10_1)

DirectX

11.1 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

4.1

Shader Model

4.0

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