AMD Radeon R9 M395X Mac Edition vs AMD Radeon R9 M295X

VS

AMD Radeon R9 M395X Mac Edition

AMD Radeon R9 M295X

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 4GB VRAM Radeon R9 M295X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M395X Mac Edition 's Advantages

Released 6 months late

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

Score

Benchmark

FP32 (float)

Radeon R9 M395X Mac Edition +25%

3.723 TFLOPS

Radeon R9 M295X

2.961 TFLOPS

Radeon R9 M395X Mac Edition

VS

Radeon R9 M295X

Graphics Card

May 2015

Release Date

Nov 2014

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

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

174.7GB/s

Bandwidth

160.0GB/s

Render Config

32

Compute Units

32

-

2048

Shading Units

2048

128

TMUs

128

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

29.09 GPixel/s

Pixel Rate

23.14 GPixel/s

116.4 GTexel/s

Texture Rate

92.54 GTexel/s

3.723 TFLOPS

FP16 (half)

2.961 TFLOPS

3.723 TFLOPS

FP32 (float)

2.961 TFLOPS

232.7 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 XT

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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