AMD Radeon R5 M420 vs AMD Radeon RX 6650M

VS

AMD Radeon R5 M420

AMD Radeon RX 6650M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M420 and 8GB VRAM Radeon RX 6650M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6650M 's Advantages

Released 5 years and 8 months late

Boost Clock has increased by 184% (2416MHz vs 850MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 16.00GB/s)

1472 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M420

0.544 TFLOPS

Radeon RX 6650M +1491%

8.659 TFLOPS

Radeon R5 M420

VS

Radeon RX 6650M

Graphics Card

May 2016

Release Date

Jan 2022

Gem System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

780 MHz

Base Clock

2068 MHz

850 MHz

Boost Clock

2416 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

8GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

256.0GB/s

Render Config

5

Compute Units

28

-

320

Shading Units

1792

20

TMUs

112

8

ROPs

64

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

128 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

6.800 GPixel/s

Pixel Rate

154.6 GPixel/s

17.00 GTexel/s

Texture Rate

270.6 GTexel/s

-

FP16 (half)

17.32 TFLOPS

544.0 GFLOPS

FP32 (float)

8.659 TFLOPS

34.00 GFLOPS

FP64 (double)

541.2 GFLOPS

Board Design

Unknown

TDP

120W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Jet

GPU Name

Navi 23

Jet PRO (216-0856040)

GPU Variant

-

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

0.69 billion

Transistors

11.06 billion

56 mm²

Die Size

237 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.3

-

6.5 (5.1)

Shader Model

6.5

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