AMD Radeon HD 6550A vs AMD Radeon HD 8670A

VS

AMD Radeon HD 6550A

AMD Radeon HD 8670A

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6550A and 1024MB VRAM Radeon HD 8670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6550A 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (25.60GB/s vs 16.00GB/s)

96 additional rendering cores

Lower TDP (35W vs 45W)

AMD Radeon HD 8670A 's Advantages

Released 2 years late

Score

Benchmark

FP32 (float)

Radeon HD 6550A +14%

0.528 TFLOPS

Radeon HD 8670A

0.461 TFLOPS

Radeon HD 6550A

VS

Radeon HD 8670A

Graphics Card

Feb 2011

Release Date

Feb 2013

All-In-One

Generation

All-In-One

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

800 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

16.00GB/s

Render Config

6

Compute Units

6

-

480

Shading Units

384

24

TMUs

24

8

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

4.800 GPixel/s

13.20 GTexel/s

Texture Rate

14.40 GTexel/s

-

528.0 GFLOPS

FP32 (float)

460.8 GFLOPS

-

FP64 (double)

28.80 GFLOPS

Board Design

35W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Pinewood

GPU Name

Mars

Pinewood PRO

GPU Variant

Mars XT

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.627 billion

Transistors

0.95 billion

104 mm²

Die Size

77 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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