AMD Radeon HD 6630M Mac Edition vs AMD Radeon HD 7650M

VS

AMD Radeon HD 6630M Mac Edition

AMD Radeon HD 7650M

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6630M Mac Edition and 1024MB VRAM Radeon HD 7650M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7650M 's Advantages

Released 1 years late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (25.60GB/s vs 19.20GB/s)

Lower TDP (20W vs 26W)

Score

Benchmark

FP32 (float)

Radeon HD 6630M Mac Edition +11%

0.48 TFLOPS

Radeon HD 7650M

0.432 TFLOPS

Radeon HD 6630M Mac Edition

VS

Radeon HD 7650M

Graphics Card

Jan 2011

Release Date

Jan 2012

Vancouver

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

600 MHz

Memory Clock

800 MHz

Memory

256MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

128bit

19.20GB/s

Bandwidth

25.60GB/s

Render Config

6

Compute Units

6

-

480

Shading Units

480

24

TMUs

24

8

ROPs

16

-

L1 Cache

8 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

7.200 GPixel/s

12.00 GTexel/s

Texture Rate

10.80 GTexel/s

-

480.0 GFLOPS

FP32 (float)

432.0 GFLOPS

-

Board Design

26W

TDP

20W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

Thames

Whistler LP

GPU Variant

Thames PRO

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

0.716 billion

104 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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