AMD Radeon HD 6630M Mac Edition vs AMD Radeon 550X Mobile

VS

AMD Radeon HD 6630M Mac Edition

AMD Radeon 550X Mobile

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6630M Mac Edition and 4GB VRAM Radeon 550X Mobile 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 50W)

AMD Radeon 550X Mobile 's Advantages

Released 7 years and 3 months late

Boost Clock1287MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (48.00GB/s vs 19.20GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6630M Mac Edition

0.48 TFLOPS

Radeon 550X Mobile +243%

1.647 TFLOPS

Radeon HD 6630M Mac Edition

VS

Radeon 550X Mobile

Graphics Card

Jan 2011

Release Date

Apr 2018

Vancouver

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1287 MHz

600 MHz

Memory Clock

1500 MHz

Memory

256MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

64bit

19.20GB/s

Bandwidth

48.00GB/s

Render Config

6

Compute Units

10

-

480

Shading Units

640

24

TMUs

40

8

ROPs

16

-

L1 Cache

16 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

20.59 GPixel/s

12.00 GTexel/s

Texture Rate

51.48 GTexel/s

-

FP16 (half)

1.647 TFLOPS

480.0 GFLOPS

FP32 (float)

1.647 TFLOPS

-

FP64 (double)

103.0 GFLOPS

Board Design

26W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Whistler

GPU Name

Polaris 23

Whistler LP

GPU Variant

Polaris 23 MXT

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.716 billion

Transistors

2.2 billion

104 mm²

Die Size

103 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.4

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