AMD Radeon R9 M295X Mac Edition vs AMD Radeon HD 6630M Mac Edition

VS

AMD Radeon R9 M295X Mac Edition

AMD Radeon HD 6630M Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M295X Mac Edition 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

AMD Radeon R9 M295X Mac Edition 's Advantages

Released 3 years and 10 months late

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (174.3GB/s vs 19.20GB/s)

1568 additional rendering cores

AMD Radeon HD 6630M Mac Edition 's Advantages

Lower TDP (26W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M295X Mac Edition +625%

3.482 TFLOPS

Radeon HD 6630M Mac Edition

0.48 TFLOPS

Radeon R9 M295X Mac Edition

VS

Radeon HD 6630M Mac Edition

Graphics Card

Nov 2014

Release Date

Jan 2011

Crystal System

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1362 MHz

Memory Clock

600 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

174.3GB/s

Bandwidth

19.20GB/s

Render Config

32

Compute Units

6

-

2048

Shading Units

480

128

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

4.000 GPixel/s

108.8 GTexel/s

Texture Rate

12.00 GTexel/s

3.482 TFLOPS

FP16 (half)

-

3.482 TFLOPS

FP32 (float)

480.0 GFLOPS

217.6 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

26W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Amethyst

GPU Name

Whistler

Amethyst XT

GPU Variant

Whistler LP

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

0.716 billion

366 mm²

Die Size

104 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

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