NVIDIA GeForce GTX 580M vs AMD Radeon HD 6950M

VS

NVIDIA GeForce GTX 580M

AMD Radeon HD 6950M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 580M and 1024MB VRAM Radeon HD 6950M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 580M 's Advantages

More VRAM (2GB vs 1024GB)

AMD Radeon HD 6950M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 96.00GB/s)

576 additional rendering cores

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 580M

0.952 TFLOPS

Radeon HD 6950M +17%

1.114 TFLOPS

GeForce GTX 580M

VS

Radeon HD 6950M

Graphics Card

Jun 2011

Release Date

Jan 2011

GeForce 500M

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

750 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

96.00GB/s

Bandwidth

115.2GB/s

Render Config

-

Compute Units

12

8

SM Count

-

384

Shading Units

960

64

TMUs

48

32

ROPs

32

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

9.920 GPixel/s

Pixel Rate

18.56 GPixel/s

39.68 GTexel/s

Texture Rate

27.84 GTexel/s

-

952.3 GFLOPS

FP32 (float)

1114 GFLOPS

79.36 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GF114

GPU Name

Blackcomb

N12E-GTX2-A1

GPU Variant

Blackcomb PRO

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.95 billion

Transistors

1.7 billion

332 mm²

Die Size

212 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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