NVIDIA GeForce 8400M GS vs AMD Radeon HD 6650A

VS

NVIDIA GeForce 8400M GS

AMD Radeon HD 6650A

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M GS and 1024MB VRAM Radeon HD 6650A 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 45W)

AMD Radeon HD 6650A 's Advantages

Released 3 years and 11 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (28.80GB/s vs 6.400GB/s)

464 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M GS

0.026 TFLOPS

Radeon HD 6650A +2115%

0.576 TFLOPS

GeForce 8400M GS

VS

Radeon HD 6650A

Graphics Card

May 2007

Release Date

Apr 2011

GeForce 8M

Generation

All-In-One

Mobile

Type

Mobile

MXM-I

Bus Interface

MXM-A (3.0)

Clock Speeds

-

400 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

DDR3

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

28.80GB/s

Render Config

-

Compute Units

6

2

SM Count

-

16

Shading Units

480

8

TMUs

24

4

ROPs

8

-

L1 Cache

8 KB (per CU)

16 KB

L2 Cache

256 KB

-

Theoretical Performance

1.600 GPixel/s

Pixel Rate

4.800 GPixel/s

3.200 GTexel/s

Texture Rate

14.40 GTexel/s

-

25.60 GFLOPS

FP32 (float)

576.0 GFLOPS

-

Board Design

11W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

G86

GPU Name

Onega

NB8M-GS

GPU Variant

-

Tesla

Architecture

TeraScale 2

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.21 billion

Transistors

0.716 billion

127 mm²

Die Size

118 mm²

Graphics Features

11.1 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

5.0

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