AMD Radeon R9 M395 Mac Edition vs AMD Radeon R9 M485X

VS

AMD Radeon R9 M395 Mac Edition

AMD Radeon R9 M485X

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M395 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 R9 M395 Mac Edition 's Advantages

Larger VRAM bandwidth (174.7GB/s vs 160.0GB/s)

AMD Radeon R9 M485X 's Advantages

Released 1 years late

More VRAM (8GB vs 2GB)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M395 Mac Edition

2.989 TFLOPS

Radeon R9 M485X

2.961 TFLOPS

Radeon R9 M395 Mac Edition

VS

Radeon R9 M485X

Graphics Card

May 2015

Release Date

May 2016

Crystal System

Generation

Crystal System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1365 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

174.7GB/s

Bandwidth

160.0GB/s

Render Config

28

Compute Units

32

-

1792

Shading Units

2048

112

TMUs

128

32

ROPs

32

-

L1 Cache

16 KB (per CU)

-

L2 Cache

512 KB

-

Theoretical Performance

26.69 GPixel/s

Pixel Rate

23.14 GPixel/s

93.41 GTexel/s

Texture Rate

92.54 GTexel/s

-

FP16 (half)

2.961 TFLOPS

2.989 TFLOPS

FP32 (float)

2.961 TFLOPS

373.6 GFLOPS

FP64 (double)

185.1 GFLOPS

Board Design

250W

TDP

250W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

Amethyst

Amethyst PRO (216-0872004)

GPU Variant

Amethyst XT

GCN 3.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

5 billion

366 mm²

Die Size

366 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.0

1.2

Vulkan

1.2

-

6.3

Shader Model

6.3

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