AMD Radeon HD 6630M Mac Edition vs AMD Radeon R9 M280X

VS

AMD Radeon HD 6630M Mac Edition

AMD Radeon R9 M280X

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6630M Mac Edition and 4GB VRAM Radeon R9 M280X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M280X 's Advantages

Released 4 years and 1 months late

Boost Clock1000MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (88.00GB/s vs 19.20GB/s)

416 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6630M Mac Edition

0.48 TFLOPS

Radeon R9 M280X +273%

1.792 TFLOPS

Radeon HD 6630M Mac Edition

VS

Radeon R9 M280X

Graphics Card

Jan 2011

Release Date

Feb 2015

Vancouver

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

1000 MHz

600 MHz

Memory Clock

1375 MHz

Memory

256MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

19.20GB/s

Bandwidth

88.00GB/s

Render Config

6

Compute Units

14

-

480

Shading Units

896

24

TMUs

56

8

ROPs

16

-

L1 Cache

16 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

16.00 GPixel/s

12.00 GTexel/s

Texture Rate

56.00 GTexel/s

-

480.0 GFLOPS

FP32 (float)

1.792 TFLOPS

-

FP64 (double)

112.0 GFLOPS

Board Design

26W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Whistler

GPU Name

Saturn

Whistler LP

GPU Variant

Saturn XT (216-0843024)

TeraScale 2

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

2.08 billion

104 mm²

Die Size

160 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2.170

-

5.0

Shader Model

6.5

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