AMD Radeon HD 6625M vs AMD Radeon R9 M395 Mac Edition

VS

AMD Radeon HD 6625M

AMD Radeon R9 M395 Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6625M and 2GB VRAM Radeon R9 M395 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6625M 's Advantages

Lower TDP (26W vs 250W)

AMD Radeon R9 M395 Mac Edition 's Advantages

Released 4 years and 4 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (174.7GB/s vs 25.60GB/s)

1312 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6625M

0.432 TFLOPS

Radeon R9 M395 Mac Edition +591%

2.989 TFLOPS

Radeon HD 6625M

VS

Radeon R9 M395 Mac Edition

Graphics Card

Jan 2011

Release Date

May 2015

Vancouver

Generation

Crystal System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

800 MHz

Memory Clock

1365 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

25.60GB/s

Bandwidth

174.7GB/s

Render Config

6

Compute Units

28

-

480

Shading Units

1792

24

TMUs

112

8

ROPs

32

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

3.600 GPixel/s

Pixel Rate

26.69 GPixel/s

10.80 GTexel/s

Texture Rate

93.41 GTexel/s

-

432.0 GFLOPS

FP32 (float)

2.989 TFLOPS

-

FP64 (double)

373.6 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 PRO (216-0872004)

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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