NVIDIA GeForce 8400M GS vs ATI Mobility Radeon HD 3850 X2

VS

NVIDIA GeForce 8400M GS

ATI Mobility Radeon HD 3850 X2

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M GS and 512MB VRAM Mobility Radeon HD 3850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400M GS 's Advantages

Lower TDP (11W vs 70W)

ATI Mobility Radeon HD 3850 X2 's Advantages

Released 1 years and 1 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (48.00GB/s vs 6.400GB/s)

304 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M GS

0.026 TFLOPS

Mobility Radeon HD 3850 X2 +1326%

0.371 TFLOPS

GeForce 8400M GS

VS

Mobility Radeon HD 3850 X2

Graphics Card

May 2007

Release Date

Jun 2008

GeForce 8M

Generation

M8x

Mobile

Type

Mobile

MXM-I

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

750 MHz

Memory

256MB

Memory Size

512MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

256bit

6.400GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

4

2

SM Count

-

16

Shading Units

320

8

TMUs

16

4

ROPs

16

-

16 KB

L2 Cache

256 KB

-

Theoretical Performance

1.600 GPixel/s

Pixel Rate

9.280 GPixel/s

3.200 GTexel/s

Texture Rate

9.280 GTexel/s

-

25.60 GFLOPS

FP32 (float)

371.2 GFLOPS

-

FP64 (double)

74.24 GFLOPS

Board Design

11W

TDP

70W

-

No outputs

Outputs

No outputs

-

Graphics Processor

G86

GPU Name

M88

NB8M-GS

GPU Variant

-

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

1.1

OpenCL

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

4.1

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