AMD Radeon R9 M395X Mac Edition vs AMD Radeon Pro Vega 64X

VS

AMD Radeon R9 M395X Mac Edition

AMD Radeon Pro Vega 64X

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 16GB VRAM Radeon Pro Vega 64X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega 64X 's Advantages

Released 3 years and 10 months late

Boost Clock1468MHz

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (512.0GB/s vs 174.7GB/s)

2048 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M395X Mac Edition

3.723 TFLOPS

Radeon Pro Vega 64X +223%

12.03 TFLOPS

Radeon R9 M395X Mac Edition

VS

Radeon Pro Vega 64X

Graphics Card

May 2015

Release Date

Mar 2019

Crystal System

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1250 MHz

-

Boost Clock

1468 MHz

1365 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

16GB

GDDR5

Memory Type

HBM2

256bit

Memory Bus

2048bit

174.7GB/s

Bandwidth

512.0GB/s

Render Config

32

Compute Units

64

-

2048

Shading Units

4096

128

TMUs

256

32

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

29.09 GPixel/s

Pixel Rate

93.95 GPixel/s

116.4 GTexel/s

Texture Rate

375.8 GTexel/s

3.723 TFLOPS

FP16 (half)

24.05 TFLOPS

3.723 TFLOPS

FP32 (float)

12.03 TFLOPS

232.7 GFLOPS

FP64 (double)

751.6 GFLOPS

Board Design

250W

TDP

250W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

Vega 10

Amethyst XT

GPU Variant

Vega 10 XT (215-0894200)

GCN 3.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

5 billion

Transistors

12.5 billion

366 mm²

Die Size

495 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2

-

6.3

Shader Model

6.4

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