AMD Radeon HD 6650A vs NVIDIA GeForce GTX 580M

VS

AMD Radeon HD 6650A

NVIDIA GeForce GTX 580M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6650A and 2GB VRAM GeForce GTX 580M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6650A 's Advantages

96 additional rendering cores

Lower TDP (45W vs 100W)

NVIDIA GeForce GTX 580M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 28.80GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6650A

0.576 TFLOPS

GeForce GTX 580M +65%

0.952 TFLOPS

Radeon HD 6650A

VS

GeForce GTX 580M

Graphics Card

Apr 2011

Release Date

Jun 2011

All-In-One

Generation

GeForce 500M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

900 MHz

Memory Clock

750 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

96.00GB/s

Render Config

6

Compute Units

-

SM Count

8

480

Shading Units

384

24

TMUs

64

8

ROPs

32

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

9.920 GPixel/s

14.40 GTexel/s

Texture Rate

39.68 GTexel/s

-

576.0 GFLOPS

FP32 (float)

952.3 GFLOPS

-

FP64 (double)

79.36 GFLOPS

Board Design

45W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Onega

GPU Name

GF114

-

GPU Variant

N12E-GTX2-A1

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

1.95 billion

118 mm²

Die Size

332 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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