AMD Radeon HD 7950M vs NVIDIA GeForce GT 550M

VS

AMD Radeon HD 7950M

NVIDIA GeForce GT 550M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7950M and 1024MB VRAM GeForce GT 550M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950M 's Advantages

Released 1 years and 3 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (128.0GB/s vs 28.80GB/s)

1184 additional rendering cores

NVIDIA GeForce GT 550M 's Advantages

Lower TDP (35W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 7950M +530%

1.792 TFLOPS

GeForce GT 550M

0.284 TFLOPS

Radeon HD 7950M

VS

GeForce GT 550M

Graphics Card

Apr 2012

Release Date

Jan 2011

London

Generation

GeForce 500M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

128.0GB/s

Bandwidth

28.80GB/s

Render Config

20

Compute Units

-

SM Count

2

1280

Shading Units

96

80

TMUs

16

32

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

22.40 GPixel/s

Pixel Rate

2.960 GPixel/s

56.00 GTexel/s

Texture Rate

11.84 GTexel/s

-

1.792 TFLOPS

FP32 (float)

284.2 GFLOPS

-

FP64 (double)

23.68 GFLOPS

Board Design

75W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Wimbledon

GPU Name

GF108

Wimbledon PRO

GPU Variant

N12P-GT1-A1

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.585 billion

212 mm²

Die Size

116 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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