AMD Radeon RX 7700S vs AMD Radeon R5 M420

VS

AMD Radeon RX 7700S

AMD Radeon R5 M420

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 7700S 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 7700S 's Advantages

Released 6 years and 8 months late

Boost Clock has increased by 194% (2500MHz vs 850MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (288.0GB/s vs 16.00GB/s)

1728 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 7700S +3664%

20.48 TFLOPS

Radeon R5 M420

0.544 TFLOPS

Radeon RX 7700S

VS

Radeon R5 M420

Graphics Card

Jan 2023

Release Date

May 2016

Navi Mobile

Generation

Gem System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1500 MHz

Base Clock

780 MHz

2500 MHz

Boost Clock

850 MHz

2250 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

64bit

288.0GB/s

Bandwidth

16.00GB/s

Render Config

32

Compute Units

5

-

2048

Shading Units

320

128

TMUs

20

64

ROPs

8

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

128 KB

32 MB

L3 Cache

-

Theoretical Performance

160.0 GPixel/s

Pixel Rate

6.800 GPixel/s

320.0 GTexel/s

Texture Rate

17.00 GTexel/s

40.96 TFLOPS

FP16 (half)

-

20.48 TFLOPS

FP32 (float)

544.0 GFLOPS

640.0 GFLOPS

FP64 (double)

34.00 GFLOPS

Board Design

100W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Navi 33

GPU Name

Jet

Navi 33 XT

GPU Variant

Jet PRO (216-0856040)

RDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

13.3 billion

Transistors

0.69 billion

204 mm²

Die Size

56 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

-

6.7

Shader Model

6.5 (5.1)

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