AMD Radeon HD 6630M Mac Edition vs ATI Mobility Radeon HD 4830

VS

AMD Radeon HD 6630M Mac Edition

ATI Mobility Radeon HD 4830

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6630M Mac Edition and 1024MB VRAM Mobility Radeon HD 4830 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

Released 1 years and 10 months late

ATI Mobility Radeon HD 4830 's Advantages

More VRAM (1024GB vs 256GB)

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

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6630M Mac Edition

0.48 TFLOPS

Mobility Radeon HD 4830 +33%

0.64 TFLOPS

Radeon HD 6630M Mac Edition

VS

Mobility Radeon HD 4830

Graphics Card

Jan 2011

Release Date

Mar 2009

Vancouver

Generation

M9x

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

GDDR3

64bit

Memory Bus

128bit

19.20GB/s

Bandwidth

25.60GB/s

Render Config

6

Compute Units

8

-

480

Shading Units

640

24

TMUs

32

8

ROPs

16

-

L1 Cache

16 KB (per CU)

-

L2 Cache

128 KB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

8.000 GPixel/s

12.00 GTexel/s

Texture Rate

16.00 GTexel/s

-

480.0 GFLOPS

FP32 (float)

640.0 GFLOPS

-

FP64 (double)

128.0 GFLOPS

Board Design

26W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Whistler

GPU Name

M97

Whistler LP

GPU Variant

M97 M2 (216-0731004)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

0.826 billion

104 mm²

Die Size

137 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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