AMD Radeon RX Vega 56 Mobile vs AMD Radeon R5 M420

VS

AMD Radeon RX Vega 56 Mobile

AMD Radeon R5 M420

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX Vega 56 Mobile 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 56 Mobile 's Advantages

Released 2 years and 1 months late

Boost Clock has increased by 53% (1301MHz vs 850MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (409.6GB/s vs 16.00GB/s)

3264 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX Vega 56 Mobile +1614%

9.326 TFLOPS

Radeon R5 M420

0.544 TFLOPS

Radeon RX Vega 56 Mobile

VS

Radeon R5 M420

Graphics Card

Jun 2018

Release Date

May 2016

Mobility Radeon

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1138 MHz

Base Clock

780 MHz

1301 MHz

Boost Clock

850 MHz

800 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

4GB

HBM2

Memory Type

DDR3

2048bit

Memory Bus

64bit

409.6GB/s

Bandwidth

16.00GB/s

Render Config

56

Compute Units

5

-

3584

Shading Units

320

224

TMUs

20

64

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

128 KB

-

Theoretical Performance

83.26 GPixel/s

Pixel Rate

6.800 GPixel/s

291.4 GTexel/s

Texture Rate

17.00 GTexel/s

18.65 TFLOPS

FP16 (half)

-

9.326 TFLOPS

FP32 (float)

544.0 GFLOPS

582.8 GFLOPS

FP64 (double)

34.00 GFLOPS

Board Design

120W

TDP

Unknown

-

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Vega 10

GPU Name

Jet

Vega 10 XL (215-0894216)

GPU Variant

Jet PRO (216-0856040)

GCN 5.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

12.5 billion

Transistors

0.69 billion

495 mm²

Die Size

56 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

6.4

Shader Model

6.5 (5.1)

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