NVIDIA GeForce 8400M GS vs ATI Radeon E4690 MXM

VS

NVIDIA GeForce 8400M GS

ATI Radeon E4690 MXM

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M GS and 512MB VRAM Radeon E4690 MXM 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 30W)

ATI Radeon E4690 MXM 's Advantages

Released 2 years and 1 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (22.40GB/s vs 6.400GB/s)

304 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M GS

0.026 TFLOPS

Radeon E4690 MXM +1376%

0.384 TFLOPS

GeForce 8400M GS

VS

Radeon E4690 MXM

Graphics Card

May 2007

Release Date

Jun 2009

GeForce 8M

Generation

Embedded

Mobile

Type

Mobile

MXM-I

Bus Interface

MXM-II

Clock Speeds

-

400 MHz

Memory Clock

700 MHz

Memory

256MB

Memory Size

512MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

128bit

6.400GB/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

1.600 GPixel/s

Pixel Rate

4.800 GPixel/s

3.200 GTexel/s

Texture Rate

19.20 GTexel/s

-

25.60 GFLOPS

FP32 (float)

384.0 GFLOPS

-

Board Design

11W

TDP

30W

-

No outputs

Outputs

No outputs

-

Graphics Processor

G86

GPU Name

RV730

NB8M-GS

GPU Variant

RV730 XT E4690 (215-0729055)

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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