AMD Radeon HD 6630M Mac Edition vs AMD Radeon HD 6770M Mac Edition

VS

AMD Radeon HD 6630M Mac Edition

AMD Radeon HD 6770M Mac Edition

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6630M Mac Edition and 512MB VRAM Radeon HD 6770M Mac Edition 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 35W)

AMD Radeon HD 6770M Mac Edition 's Advantages

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (57.60GB/s vs 19.20GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6630M Mac Edition

0.48 TFLOPS

Radeon HD 6770M Mac Edition +45%

0.696 TFLOPS

Radeon HD 6630M Mac Edition

VS

Radeon HD 6770M Mac Edition

Graphics Card

Jan 2011

Release Date

Jan 2011

Vancouver

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

600 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

19.20GB/s

Bandwidth

57.60GB/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

5.800 GPixel/s

12.00 GTexel/s

Texture Rate

17.40 GTexel/s

-

480.0 GFLOPS

FP32 (float)

696.0 GFLOPS

-

Board Design

26W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

Whistler

Whistler LP

GPU Variant

Whistler XT (216-0810001)

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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