AMD Radeon RX Vega M GH vs AMD Radeon R5 M420

VS

AMD Radeon RX Vega M GH AMD Radeon R5 M420

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX Vega M GH and 4GB VRAM Radeon R5 M420 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 1 years and 9 months late

Boost Clock has increased by 40% (1190MHz vs 850MHz)

Larger VRAM bandwidth (204.8GB/s vs 16.00GB/s)

1216 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX Vega M GH +572%

3.656 TFLOPS

Radeon R5 M420

0.544 TFLOPS

Radeon RX Vega M GH

VS

Radeon R5 M420

Graphics Card

Feb 2018

Release Date

May 2016

Vega

Generation

Gem System

Mobile

Type

Mobile

IGP

Bus Interface

PCIe 3.0 x8

Clock Speeds

1063 MHz

Base Clock

780 MHz

1190 MHz

Boost Clock

850 MHz

800 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

4GB

HBM2

Memory Type

DDR3

1024bit

Memory Bus

64bit

204.8GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

24

Compute Units

5

1536

Shading Units

320

96

TMUs

20

64

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

128 KB

Theoretical Performance

76.16 GPixel/s

Pixel Rate

6.800 GPixel/s

114.2 GTexel/s

Texture Rate

17.00 GTexel/s

3.656 TFLOPS

FP16 (half)

-

3.656 TFLOPS

FP32 (float)

544.0 GFLOPS

228.5 GFLOPS

FP64 (double)

34.00 GFLOPS

Graphics Processor

Polaris 22

GPU Name

Jet

VegaM XT (C7398773)

GPU Variant

Jet PRO (216-0856040)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5 billion

Transistors

0.69 billion

208 mm²

Die Size

56 mm²

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

CUDA

-

6.4

Shader Model

6.5 (5.1)

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