AMD Radeon RX Vega M GH vs AMD Radeon R9 M395X

VS

AMD Radeon RX Vega M GH

AMD Radeon R9 M395X

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX Vega M GH and 8GB VRAM Radeon R9 M395X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega M GH 's Advantages

Released 2 years and 9 months late

Boost Clock1190MHz

Larger VRAM bandwidth (204.8GB/s vs 160.0GB/s)

AMD Radeon R9 M395X 's Advantages

More VRAM (8GB vs 4GB)

512 additional rendering cores

Lower TDP (75W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX Vega M GH +23%

3.656 TFLOPS

Radeon R9 M395X

2.961 TFLOPS

Radeon RX Vega M GH

VS

Radeon R9 M395X

Graphics Card

Feb 2018

Release Date

May 2015

Vega

Generation

Crystal System

Mobile

Type

Mobile

IGP

Bus Interface

PCIe 3.0 x16

Clock Speeds

1063 MHz

Base Clock

-

1190 MHz

Boost Clock

-

800 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

8GB

HBM2

Memory Type

GDDR5

1024bit

Memory Bus

256bit

204.8GB/s

Bandwidth

160.0GB/s

Render Config

24

Compute Units

32

-

1536

Shading Units

2048

96

TMUs

128

64

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

76.16 GPixel/s

Pixel Rate

23.14 GPixel/s

114.2 GTexel/s

Texture Rate

92.54 GTexel/s

3.656 TFLOPS

FP16 (half)

2.961 TFLOPS

3.656 TFLOPS

FP32 (float)

2.961 TFLOPS

228.5 GFLOPS

FP64 (double)

185.1 GFLOPS

Board Design

100W

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Polaris 22

GPU Name

Amethyst

VegaM XT (C7398773)

GPU Variant

Amethyst XT

GCN 4.0

Architecture

GCN 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5 billion

Transistors

5 billion

208 mm²

Die Size

366 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

6.4

Shader Model

6.3

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