AMD Radeon HD 6490M vs AMD Radeon HD 6650A

VS

AMD Radeon HD 6490M

AMD Radeon HD 6650A

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M and 1024MB VRAM Radeon HD 6650A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6650A 's Advantages

More VRAM (1024GB vs 512GB)

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

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M

0.256 TFLOPS

Radeon HD 6650A +125%

0.576 TFLOPS

Radeon HD 6490M

VS

Radeon HD 6650A

Graphics Card

Jan 2011

Release Date

Apr 2011

Vancouver

Generation

All-In-One

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

800 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

128bit

25.60GB/s

Bandwidth

28.80GB/s

Render Config

2

Compute Units

6

-

160

Shading Units

480

8

TMUs

24

4

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

4.800 GPixel/s

6.400 GTexel/s

Texture Rate

14.40 GTexel/s

-

256.0 GFLOPS

FP32 (float)

576.0 GFLOPS

-

Board Design

Unknown

TDP

45W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Seymour

GPU Name

Onega

Seymour XTX S3 (216-0809024)

GPU Variant

-

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.716 billion

67 mm²

Die Size

118 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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