AMD Radeon HD 8670A vs ATI Mobility Radeon HD 4550

VS

AMD Radeon HD 8670A

ATI Mobility Radeon HD 4550

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A 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 8670A 's Advantages

Released 3 years and 1 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (16.00GB/s vs 11.20GB/s)

304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670A +423%

0.461 TFLOPS

Mobility Radeon HD 4550

0.088 TFLOPS

Radeon HD 8670A

VS

Mobility Radeon HD 4550

Graphics Card

Feb 2013

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

DDR3

Memory Type

GDDR3

64bit

Memory Bus

64bit

16.00GB/s

Bandwidth

11.20GB/s

Render Config

6

Compute Units

1

-

384

Shading Units

80

24

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 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

-

460.8 GFLOPS

FP32 (float)

88.00 GFLOPS

28.80 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

M93

Mars XT

GPU Variant

-

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

0.95 billion

Transistors

0.242 billion

77 mm²

Die Size

73 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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