AMD Radeon R5 M420 vs AMD Radeon RX Vega 56 Mobile

VS

AMD Radeon R5 M420

AMD Radeon RX Vega 56 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M420 and 8GB VRAM Radeon RX Vega 56 Mobile 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 R5 M420

0.544 TFLOPS

Radeon RX Vega 56 Mobile +1614%

9.326 TFLOPS

Radeon R5 M420

VS

Radeon RX Vega 56 Mobile

Graphics Card

May 2016

Release Date

Jun 2018

Gem System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

780 MHz

Base Clock

1138 MHz

850 MHz

Boost Clock

1301 MHz

1000 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

8GB

DDR3

Memory Type

HBM2

64bit

Memory Bus

2048bit

16.00GB/s

Bandwidth

409.6GB/s

Render Config

5

Compute Units

56

-

320

Shading Units

3584

20

TMUs

224

8

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

4 MB

-

Theoretical Performance

6.800 GPixel/s

Pixel Rate

83.26 GPixel/s

17.00 GTexel/s

Texture Rate

291.4 GTexel/s

-

FP16 (half)

18.65 TFLOPS

544.0 GFLOPS

FP32 (float)

9.326 TFLOPS

34.00 GFLOPS

FP64 (double)

582.8 GFLOPS

Board Design

Unknown

TDP

120W

-

Portable Device Dependent

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

Jet

GPU Name

Vega 10

Jet PRO (216-0856040)

GPU Variant

Vega 10 XL (215-0894216)

GCN 1.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

0.69 billion

Transistors

12.5 billion

56 mm²

Die Size

495 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

6.4

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