AMD Radeon HD 6630M Mac Edition vs AMD Radeon R9 M485X

VS

AMD Radeon HD 6630M Mac Edition

AMD Radeon R9 M485X

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6630M Mac Edition and 8GB VRAM Radeon R9 M485X 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 250W)

AMD Radeon R9 M485X 's Advantages

Released 5 years and 4 months late

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (160.0GB/s vs 19.20GB/s)

1568 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6630M Mac Edition

0.48 TFLOPS

Radeon R9 M485X +516%

2.961 TFLOPS

Radeon HD 6630M Mac Edition

VS

Radeon R9 M485X

Graphics Card

Jan 2011

Release Date

May 2016

Vancouver

Generation

Crystal System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

600 MHz

Memory Clock

1250 MHz

Memory

256MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

19.20GB/s

Bandwidth

160.0GB/s

Render Config

6

Compute Units

32

-

480

Shading Units

2048

24

TMUs

128

8

ROPs

32

-

L1 Cache

16 KB (per CU)

-

L2 Cache

512 KB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

23.14 GPixel/s

12.00 GTexel/s

Texture Rate

92.54 GTexel/s

-

FP16 (half)

2.961 TFLOPS

480.0 GFLOPS

FP32 (float)

2.961 TFLOPS

-

FP64 (double)

185.1 GFLOPS

Board Design

26W

TDP

250W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Whistler

GPU Name

Amethyst

Whistler LP

GPU Variant

Amethyst XT

TeraScale 2

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

5 billion

104 mm²

Die Size

366 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

5.0

Shader Model

6.3

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