AMD Radeon HD 6630M Mac Edition vs AMD Radeon HD 6670A

VS

AMD Radeon HD 6630M Mac Edition

AMD Radeon HD 6670A

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6630M Mac Edition and 1024MB VRAM Radeon HD 6670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6630M Mac Edition 's Advantages

Lower TDP (26W vs 45W)

AMD Radeon HD 6670A 's Advantages

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 19.20GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6630M Mac Edition

0.48 TFLOPS

Radeon HD 6670A +20%

0.576 TFLOPS

Radeon HD 6630M Mac Edition

VS

Radeon HD 6670A

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

-

600 MHz

Memory Clock

1000 MHz

Memory

256MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

19.20GB/s

Bandwidth

64.00GB/s

Render Config

6

Compute Units

6

-

480

Shading Units

480

24

TMUs

24

8

ROPs

8

-

L1 Cache

8 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

4.800 GPixel/s

12.00 GTexel/s

Texture Rate

14.40 GTexel/s

-

480.0 GFLOPS

FP32 (float)

576.0 GFLOPS

-

Board Design

26W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

Turks

Whistler LP

GPU Variant

Turks XT (215-0803000)

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

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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