AMD Radeon HD 7950M vs AMD Radeon HD 7550M

VS

AMD Radeon HD 7950M

AMD Radeon HD 7550M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7950M and 1024MB VRAM Radeon HD 7550M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (128.0GB/s vs 14.40GB/s)

880 additional rendering cores

AMD Radeon HD 7550M 's Advantages

Boost Clock550MHz

Lower TDP (14W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 7950M +307%

1.792 TFLOPS

Radeon HD 7550M

0.44 TFLOPS

Radeon HD 7950M

VS

Radeon HD 7550M

Graphics Card

Apr 2012

Release Date

Jan 2012

London

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

450 MHz

-

Boost Clock

550 MHz

1000 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

128.0GB/s

Bandwidth

14.40GB/s

Render Config

20

Compute Units

5

-

1280

Shading Units

400

80

TMUs

20

32

ROPs

8

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

22.40 GPixel/s

Pixel Rate

4.400 GPixel/s

56.00 GTexel/s

Texture Rate

11.00 GTexel/s

-

1.792 TFLOPS

FP32 (float)

440.0 GFLOPS

-

Board Design

75W

TDP

14W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Wimbledon

GPU Name

Thames

Wimbledon PRO

GPU Variant

Thames LP

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.716 billion

212 mm²

Die Size

104 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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