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

VS

AMD Radeon Pro Vega 20

AMD Radeon R9 M395 Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro Vega 20 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 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)

AMD Radeon R9 M395 Mac Edition 's Advantages

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro Vega 20 +9%

3.284 TFLOPS

Radeon R9 M395 Mac Edition

2.989 TFLOPS

Radeon Pro Vega 20

VS

Radeon R9 M395 Mac Edition

Graphics Card

Nov 2018

Release Date

May 2015

Radeon Pro Mac

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

815 MHz

Base Clock

-

1283 MHz

Boost Clock

-

740 MHz

Memory Clock

1365 MHz

Memory

4GB

Memory Size

2GB

HBM2

Memory Type

GDDR5

1024bit

Memory Bus

256bit

189.4GB/s

Bandwidth

174.7GB/s

Render Config

20

Compute Units

28

-

1280

Shading Units

1792

80

TMUs

112

32

ROPs

32

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

-

Theoretical Performance

41.06 GPixel/s

Pixel Rate

26.69 GPixel/s

102.6 GTexel/s

Texture Rate

93.41 GTexel/s

6.569 TFLOPS

FP16 (half)

-

3.284 TFLOPS

FP32 (float)

2.989 TFLOPS

205.3 GFLOPS

FP64 (double)

373.6 GFLOPS

Board Design

100W

TDP

250W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Vega 12

GPU Name

Amethyst

Vega 12 XTA

GPU Variant

Amethyst PRO (216-0872004)

GCN 5.0

Architecture

GCN 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

Unknown

Transistors

5 billion

Unknown

Die Size

366 mm²

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

6.3

Shader Model

6.3

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