AMD Radeon HD 6950M vs ATI Mobility Radeon HD 4550

VS

AMD Radeon HD 6950M

ATI Mobility Radeon HD 4550

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6950M and 512MB VRAM Mobility Radeon HD 4550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6950M 's Advantages

Released 1 years late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (115.2GB/s vs 11.20GB/s)

880 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6950M +1165%

1.114 TFLOPS

Mobility Radeon HD 4550

0.088 TFLOPS

Radeon HD 6950M

VS

Mobility Radeon HD 4550

Graphics Card

Jan 2011

Release Date

Jan 2010

Vancouver

Generation

M9x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-II

Clock Speeds

-

900 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

11.20GB/s

Render Config

12

Compute Units

1

-

960

Shading Units

80

48

TMUs

8

32

ROPs

4

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

64 KB

-

Theoretical Performance

18.56 GPixel/s

Pixel Rate

2.200 GPixel/s

27.84 GTexel/s

Texture Rate

4.400 GTexel/s

-

1114 GFLOPS

FP32 (float)

88.00 GFLOPS

-

Board Design

50W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Blackcomb

GPU Name

M93

Blackcomb PRO

GPU Variant

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.7 billion

Transistors

0.242 billion

212 mm²

Die Size

73 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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