AMD Radeon HD 6650A vs AMD Radeon HD 6750M Mac Edition

VS

AMD Radeon HD 6650A

AMD Radeon HD 6750M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6650A and 512MB VRAM Radeon HD 6750M Mac Edition 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)

AMD Radeon HD 6750M Mac Edition 's Advantages

Larger VRAM bandwidth (50.82GB/s vs 28.80GB/s)

Lower TDP (35W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 6650A

0.576 TFLOPS

Radeon HD 6750M Mac Edition

0.574 TFLOPS

Radeon HD 6650A

VS

Radeon HD 6750M Mac Edition

Graphics Card

Apr 2011

Release Date

Apr 2011

All-In-One

Generation

Vancouver

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

900 MHz

Memory Clock

794 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

50.82GB/s

Render Config

6

Compute Units

6

-

480

Shading Units

480

24

TMUs

24

8

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

4.784 GPixel/s

14.40 GTexel/s

Texture Rate

14.35 GTexel/s

-

576.0 GFLOPS

FP32 (float)

574.1 GFLOPS

-

Board Design

45W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Onega

GPU Name

Whistler

-

GPU Variant

Whistler PRO (216-0810005)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

0.716 billion

118 mm²

Die Size

104 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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