AMD Radeon HD 6650M vs AMD Radeon HD 7470A

VS

AMD Radeon HD 6650M

AMD Radeon HD 7470A

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6650M and 512MB VRAM Radeon HD 7470A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6650M 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (25.60GB/s vs 12.80GB/s)

320 additional rendering cores

AMD Radeon HD 7470A 's Advantages

Released 1 years late

Score

Benchmark

FP32 (float)

Radeon HD 6650M +188%

0.576 TFLOPS

Radeon HD 7470A

0.2 TFLOPS

Radeon HD 6650M

VS

Radeon HD 7470A

Graphics Card

Jan 2011

Release Date

Jan 2012

Vancouver

Generation

All-In-One

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

800 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

12.80GB/s

Render Config

6

Compute Units

2

-

480

Shading Units

160

24

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

2.500 GPixel/s

14.40 GTexel/s

Texture Rate

5.000 GTexel/s

-

576.0 GFLOPS

FP32 (float)

200.0 GFLOPS

-

Board Design

Unknown

TDP

25W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

Caicos

Whistler LE (216-0810028)

GPU Variant

-

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

0.37 billion

118 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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