ATI Mobility Radeon HD 4550 vs AMD Radeon HD 6630M Mac Edition

VS

ATI Mobility Radeon HD 4550

AMD Radeon HD 6630M Mac Edition

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4550 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

ATI Mobility Radeon HD 4550 's Advantages

More VRAM (512GB vs 256GB)

AMD Radeon HD 6630M Mac Edition 's Advantages

Released 1 years late

Larger VRAM bandwidth (19.20GB/s vs 11.20GB/s)

400 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4550

0.088 TFLOPS

Radeon HD 6630M Mac Edition +445%

0.48 TFLOPS

Mobility Radeon HD 4550

VS

Radeon HD 6630M Mac Edition

Graphics Card

Jan 2010

Release Date

Jan 2011

M9x

Generation

Vancouver

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

600 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

11.20GB/s

Bandwidth

19.20GB/s

Render Config

1

Compute Units

6

-

80

Shading Units

480

8

TMUs

24

4

ROPs

8

-

16 KB (per CU)

L1 Cache

-

64 KB

L2 Cache

-

Theoretical Performance

2.200 GPixel/s

Pixel Rate

4.000 GPixel/s

4.400 GTexel/s

Texture Rate

12.00 GTexel/s

-

88.00 GFLOPS

FP32 (float)

480.0 GFLOPS

-

Board Design

Unknown

TDP

26W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

M93

GPU Name

Whistler

-

GPU Variant

Whistler LP

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.242 billion

Transistors

0.716 billion

73 mm²

Die Size

104 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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