AMD Radeon HD 6550M vs AMD Radeon HD 6490M

VS

AMD Radeon HD 6550M

AMD Radeon HD 6490M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6550M and 512MB VRAM Radeon HD 6490M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6550M 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (28.80GB/s vs 25.60GB/s)

240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6550M +87%

0.48 TFLOPS

Radeon HD 6490M

0.256 TFLOPS

Radeon HD 6550M

VS

Radeon HD 6490M

Graphics Card

Nov 2010

Release Date

Jan 2011

Vancouver

Generation

Vancouver

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

25.60GB/s

Render Config

5

Compute Units

2

-

400

Shading Units

160

20

TMUs

8

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

3.200 GPixel/s

12.00 GTexel/s

Texture Rate

6.400 GTexel/s

-

480.0 GFLOPS

FP32 (float)

256.0 GFLOPS

-

Board Design

26W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Lexington

GPU Name

Seymour

-

GPU Variant

Seymour XTX S3 (216-0809024)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

0.37 billion

334 mm²

Die Size

67 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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