AMD Radeon RX 6700S vs AMD Radeon R5 M420

VS

AMD Radeon RX 6700S

AMD Radeon R5 M420

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6700S 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 6700S 's Advantages

Released 5 years and 8 months late

Boost Clock has increased by 135% (2000MHz vs 850MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (224.0GB/s vs 16.00GB/s)

1472 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6700S +1217%

7.168 TFLOPS

Radeon R5 M420

0.544 TFLOPS

Radeon RX 6700S

VS

Radeon R5 M420

Graphics Card

Jan 2022

Release Date

May 2016

Mobility Radeon

Generation

Gem System

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1700 MHz

Base Clock

780 MHz

2000 MHz

Boost Clock

850 MHz

1750 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

64bit

224.0GB/s

Bandwidth

16.00GB/s

Render Config

28

Compute Units

5

-

1792

Shading Units

320

112

TMUs

20

64

ROPs

8

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

128 KB

32 MB

L3 Cache

-

Theoretical Performance

128.0 GPixel/s

Pixel Rate

6.800 GPixel/s

224.0 GTexel/s

Texture Rate

17.00 GTexel/s

14.34 TFLOPS

FP16 (half)

-

7.168 TFLOPS

FP32 (float)

544.0 GFLOPS

448.0 GFLOPS

FP64 (double)

34.00 GFLOPS

Board Design

80W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Navi 23

GPU Name

Jet

-

GPU Variant

Jet PRO (216-0856040)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

0.69 billion

237 mm²

Die Size

56 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

-

6.5

Shader Model

6.5 (5.1)

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