Home GPU Comparison AMD Radeon HD 6550M vs AMD Radeon HD 6990M Rebrand

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

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6550M 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 6550M 's Advantages
Lower TDP (26W vs 100W)
AMD Radeon HD 6990M Rebrand 's Advantages
Released 8 months late
Larger VRAM bandwidth (70.40GB/s vs 28.80GB/s)
400 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 6550M
0.48 TFLOPS
Radeon HD 6990M Rebrand +166%
1.28 TFLOPS
VS

Graphics Card

Nov 2010
Release Date
Jul 2011
Vancouver
Generation
Vancouver
Mobile
Type
Mobile
MXM-II
Bus Interface
MXM-B (3.0)

Clock Speeds

-
-
-
-
-
-
900 MHz
Memory Clock
1100 MHz

Memory

1024MB
Memory Size
1024MB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
128bit
28.80GB/s
Bandwidth
70.40GB/s

Render Config

5
Compute Units
14
-
-
-
400
Shading Units
800
20
TMUs
40
8
ROPs
16
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

4.800 GPixel/s
Pixel Rate
12.80 GPixel/s
12.00 GTexel/s
Texture Rate
32.00 GTexel/s
-
-
-
480.0 GFLOPS
FP32 (float)
1280 GFLOPS
-
-
-

Board Design

26W
TDP
100W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

Lexington
GPU Name
Broadway
-
GPU Variant
Broadway XTX
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
2.154 billion
Transistors
1.04 billion
334 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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