AMD Radeon HD 7730M vs AMD Radeon HD 6630M Mac Edition

VS

AMD Radeon HD 7730M

AMD Radeon HD 6630M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7730M and 256MB VRAM Radeon HD 6630M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7730M 's Advantages

Released 1 years and 3 months late

Boost Clock675MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (28.80GB/s vs 19.20GB/s)

32 additional rendering cores

Lower TDP (25W vs 26W)

Score

Benchmark

FP32 (float)

Radeon HD 7730M +43%

0.691 TFLOPS

Radeon HD 6630M Mac Edition

0.48 TFLOPS

Radeon HD 7730M

VS

Radeon HD 6630M Mac Edition

Graphics Card

Apr 2012

Release Date

Jan 2011

London

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

575 MHz

Base Clock

-

675 MHz

Boost Clock

-

900 MHz

Memory Clock

600 MHz

Memory

2GB

Memory Size

256MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

19.20GB/s

Render Config

8

Compute Units

6

-

512

Shading Units

480

32

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

4.000 GPixel/s

21.60 GTexel/s

Texture Rate

12.00 GTexel/s

-

691.2 GFLOPS

FP32 (float)

480.0 GFLOPS

43.20 GFLOPS

FP64 (double)

-

Board Design

25W

TDP

26W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Chelsea

GPU Name

Whistler

Chelsea LE (216-0834065)

GPU Variant

Whistler LP

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

0.716 billion

123 mm²

Die Size

104 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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