AMD Radeon R9 M395 Mac Edition vs AMD Radeon Pro Vega 20

VS

AMD Radeon R9 M395 Mac Edition AMD Radeon Pro Vega 20

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M395 Mac Edition and 4GB VRAM Radeon Pro Vega 20 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

512 additional rendering cores

AMD Radeon Pro Vega 20 's Advantages

Released 3 years and 6 months late

Boost Clock1283MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (189.4GB/s vs 174.7GB/s)

Lower TDP (100W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M395 Mac Edition

2.989 TFLOPS

Radeon Pro Vega 20 +9%

3.284 TFLOPS

Radeon R9 M395 Mac Edition

VS

Radeon Pro Vega 20

Graphics Card

May 2015

Release Date

Nov 2018

Crystal System

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

815 MHz

-

Boost Clock

1283 MHz

1365 MHz

Memory Clock

740 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

HBM2

256bit

Memory Bus

1024bit

174.7GB/s

Bandwidth

189.4GB/s

Render Config

-

SM Count

-

28

Compute Units

20

1792

Shading Units

1280

112

TMUs

80

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

-

L2 Cache

1024 KB

Theoretical Performance

26.69 GPixel/s

Pixel Rate

41.06 GPixel/s

93.41 GTexel/s

Texture Rate

102.6 GTexel/s

-

FP16 (half)

6.569 TFLOPS

2.989 TFLOPS

FP32 (float)

3.284 TFLOPS

373.6 GFLOPS

FP64 (double)

205.3 GFLOPS

Graphics Processor

Amethyst

GPU Name

Vega 12

Amethyst PRO (216-0872004)

GPU Variant

Vega 12 XTA

GCN 3.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

5 billion

Transistors

Unknown

366 mm²

Die Size

Unknown

Board Design

250W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

6.3

Shader Model

6.3

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