AMD Radeon R9 M395X Mac Edition vs AMD Radeon R5 A320

VS

AMD Radeon R9 M395X Mac Edition

AMD Radeon R5 A320

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 1024MB VRAM Radeon R5 A320 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

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (174.7GB/s vs 16.00GB/s)

1728 additional rendering cores

AMD Radeon R5 A320 's Advantages

Boost Clock825MHz

Score

Benchmark

FP32 (float)

Radeon R9 M395X Mac Edition +605%

3.723 TFLOPS

Radeon R5 A320

0.528 TFLOPS

Radeon R9 M395X Mac Edition

VS

Radeon R5 A320

Graphics Card

May 2015

Release Date

Jan 2015

Crystal System

Generation

All-In-One

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

750 MHz

-

Boost Clock

825 MHz

1365 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

174.7GB/s

Bandwidth

16.00GB/s

Render Config

32

Compute Units

5

-

2048

Shading Units

320

128

TMUs

20

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

29.09 GPixel/s

Pixel Rate

6.600 GPixel/s

116.4 GTexel/s

Texture Rate

16.50 GTexel/s

3.723 TFLOPS

FP16 (half)

-

3.723 TFLOPS

FP32 (float)

528.0 GFLOPS

232.7 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

Jet

Amethyst XT

GPU Variant

Jet PRO (216-0856040)

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

0.69 billion

366 mm²

Die Size

56 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

6.3

Shader Model

6.5 (5.1)

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