AMD Radeon HD 6650A vs NVIDIA GeForce GT 425M

VS

AMD Radeon HD 6650A

NVIDIA GeForce GT 425M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6650A and 1024MB VRAM GeForce GT 425M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6650A 's Advantages

Released 7 months late

Larger VRAM bandwidth (28.80GB/s vs 25.60GB/s)

384 additional rendering cores

NVIDIA GeForce GT 425M 's Advantages

Lower TDP (23W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 6650A +167%

0.576 TFLOPS

GeForce GT 425M

0.215 TFLOPS

Radeon HD 6650A

VS

GeForce GT 425M

Graphics Card

Apr 2011

Release Date

Sep 2010

All-In-One

Generation

GeForce 400M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

25.60GB/s

Render Config

6

Compute Units

-

SM Count

2

480

Shading Units

96

24

TMUs

16

8

ROPs

4

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

2.240 GPixel/s

14.40 GTexel/s

Texture Rate

8.960 GTexel/s

-

576.0 GFLOPS

FP32 (float)

215.0 GFLOPS

-

FP64 (double)

17.92 GFLOPS

Board Design

45W

TDP

23W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Onega

GPU Name

GF108

-

GPU Variant

N11P-GS-A1

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

0.585 billion

118 mm²

Die Size

116 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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