AMD Radeon HD 6670A vs ATI Mobility Radeon HD 4550

VS

AMD Radeon HD 6670A

ATI Mobility Radeon HD 4550

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6670A 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 6670A 's Advantages

Released 1 years and 3 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 11.20GB/s)

400 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6670A +554%

0.576 TFLOPS

Mobility Radeon HD 4550

0.088 TFLOPS

Radeon HD 6670A

VS

Mobility Radeon HD 4550

Graphics Card

Apr 2011

Release Date

Jan 2010

All-In-One

Generation

M9x

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-II

Clock Speeds

-

1000 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

11.20GB/s

Render Config

6

Compute Units

1

-

480

Shading Units

80

24

TMUs

8

ROPs

4

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

64 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

2.200 GPixel/s

14.40 GTexel/s

Texture Rate

4.400 GTexel/s

-

576.0 GFLOPS

FP32 (float)

88.00 GFLOPS

-

Board Design

45W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Turks

GPU Name

M93

Turks XT (215-0803000)

GPU Variant

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.716 billion

Transistors

0.242 billion

118 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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