ATI Mobility Radeon HD 5870 vs NVIDIA GeForce 8400M GS

VS

ATI Mobility Radeon HD 5870

NVIDIA GeForce 8400M GS

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5870 and 256MB VRAM GeForce 8400M GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5870 's Advantages

Released 2 years and 8 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 6.400GB/s)

784 additional rendering cores

NVIDIA GeForce 8400M GS 's Advantages

Lower TDP (11W vs 50W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5870 +4207%

1.12 TFLOPS

GeForce 8400M GS

0.026 TFLOPS

Mobility Radeon HD 5870

VS

GeForce 8400M GS

Graphics Card

Jan 2010

Release Date

May 2007

Manhattan

Generation

GeForce 8M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-I

Clock Speeds

-

1000 MHz

Memory Clock

400 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

6.400GB/s

Render Config

10

Compute Units

-

SM Count

2

800

Shading Units

16

40

TMUs

8

16

ROPs

4

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

16 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

1.600 GPixel/s

28.00 GTexel/s

Texture Rate

3.200 GTexel/s

-

1120 GFLOPS

FP32 (float)

25.60 GFLOPS

-

Board Design

50W

TDP

11W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

G86

Broadway XT (216-0769008)

GPU Variant

NB8M-GS

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

1.04 billion

Transistors

0.21 billion

166 mm²

Die Size

127 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

5.0

Shader Model

4.0

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