AMD Radeon HD 6550A vs AMD Radeon HD 6990M Rebrand

VS

AMD Radeon HD 6550A

AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6550A and 1024MB VRAM Radeon HD 6990M Rebrand 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)

Lower TDP (35W vs 100W)

AMD Radeon HD 6990M Rebrand 's Advantages

Larger VRAM bandwidth (70.40GB/s vs 25.60GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6550A

0.528 TFLOPS

Radeon HD 6990M Rebrand +142%

1.28 TFLOPS

Radeon HD 6550A

VS

Radeon HD 6990M Rebrand

Graphics Card

Feb 2011

Release Date

Jul 2011

All-In-One

Generation

Vancouver

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

800 MHz

Memory Clock

1100 MHz

Memory

2GB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

70.40GB/s

Render Config

6

Compute Units

14

-

480

Shading Units

800

24

TMUs

40

8

ROPs

16

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

12.80 GPixel/s

13.20 GTexel/s

Texture Rate

32.00 GTexel/s

-

528.0 GFLOPS

FP32 (float)

1280 GFLOPS

-

Board Design

35W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Pinewood

GPU Name

Broadway

Pinewood PRO

GPU Variant

Broadway XTX

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

1.04 billion

104 mm²

Die Size

166 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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