ATI Mobility Radeon HD 4550 vs AMD Radeon HD 6950M

VS

ATI Mobility Radeon HD 4550

AMD Radeon HD 6950M

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4550 and 1024MB VRAM Radeon HD 6950M 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)

Mobility Radeon HD 4550

0.088 TFLOPS

Radeon HD 6950M +1165%

1.114 TFLOPS

Mobility Radeon HD 4550

VS

Radeon HD 6950M

Graphics Card

Jan 2010

Release Date

Jan 2011

M9x

Generation

Vancouver

Mobile

Type

Mobile

MXM-II

Bus Interface

MXM-B (3.0)

Clock Speeds

-

700 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

11.20GB/s

Bandwidth

115.2GB/s

Render Config

1

Compute Units

12

-

80

Shading Units

960

8

TMUs

48

4

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

512 KB

-

Theoretical Performance

2.200 GPixel/s

Pixel Rate

18.56 GPixel/s

4.400 GTexel/s

Texture Rate

27.84 GTexel/s

-

88.00 GFLOPS

FP32 (float)

1114 GFLOPS

-

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

M93

GPU Name

Blackcomb

-

GPU Variant

Blackcomb PRO

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.242 billion

Transistors

1.7 billion

73 mm²

Die Size

212 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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