Samsung Galaxy M21 vs Samsung Galaxy S23 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

	6.8
Samsung Galaxy M21	Samsung Galaxy S23
Released · Mar 23, 2020	Released · Feb 17, 2023
6.4-inch · 2340x1080px	6.1-inch · 2340x1080px
Triple camera	Triple camera
4GB · 64GB	8GB · 128GB
6000 mAh	3900 mAh
	Check prices

Design

Dimensions
6.26 x 2.96 x 0.35 inches 159.0 x 75.1 x 8.9 mm	5.76 x 2.79 x 0.30 inches (~0.36 inches with camera bump) 146.3 x 70.9 x 7.6mm (~9.02 mm with camera bump)
Weight
6.63 oz (188.0 g)	5.93 oz (168.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Glass (Corning Gorilla Glass Victus 2) Frame: Aluminum
Resistance
	Water, Dust; IP68
Biometrics
2D Face unlock, Fingerprint (touch)	2D Face unlock, Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Midnight blue, Raven black	Phantom Black, Cream, Green, Lavender

Display

Size
6.4-inch	6.1-inch
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI	2340x1080px, 19.5:9 ratio, 422 PPI
Technology
Super AMOLED	Super AMOLED
Refresh rate
	120Hz
Screen-to-body
84.11 %	88.57 %
Peak brightness
420 cd/m2 (nit)	1750 cd/m2 (nit)
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus 2), Ambient light sensor, Proximity sensor

Hardware

System chip
Exynos 9611 (10 nm)	Qualcomm Snapdragon 8 Gen 2 SM8550-AC (4 nm)
Processor
Octa-core 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53	Octa-core 1x 3.36GHz Kryo Prime + 4x 2.8GHz Kryo Gold + 3x 2.0GHz Kryo Silve
GPU
Mali-G72 MP3	Adreno 740
RAM
4GB (LPDDR4)	8GB (LPDDR5X)
Internal storage
64GB, available to use: 49 GB	128GB (UFS 4.0)
Storage expansion
microSDXC up to 512 GB	not expandable
OS
Android (11, 10), Samsung One UI	Android (14, 13), One UI

Battery

Capacity
6000 mAh	3900 mAh
Type
Li - Polymer	Li - Ion
Charging
Fast charging	Fast charging, Qi wireless charging, Reverse wireless charging
Charge speed
	Wired: 25.0W Wireless: 10.0W

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

6h 3min

Browsing

15h 21min

Video

8h 6min

Gaming

8h 1min

Camera

Rear
Triple camera	Triple camera
Main camera
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	50 MP (OIS, PDAF) Sensor name: Samsung ISOCELL Aperture size: F1.8 Focal length: 23 mm Sensor size: 1/1.56" Pixel size: 1.0 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 12 mm Sensor size: 1/4" Pixel size: 1.12 μm	12 MP (Ultra-wide) Sensor name: Sony IMX564 Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Third camera
5 MP (Depth information) Aperture size: F2.2	12 MP (Telephoto, OIS) Sensor name: Samsung S5K3K1 Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 64 mm Sensor size: 1/3.94" Pixel size: 1.0 μm
Flash
LED	Dual LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (240 fps) EIS	7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps) OIS, HDR
Front
20 MP (HDR), Video capture: 1920x1080 (Full HD)	12 MP, Video capture: 3840x2160 (4K UHD) (60 fps)

N/A

Overall

N/A

Photo

N/A

Video

137

Overall

139

Photo

134

Video

Connectivity & Features

Bluetooth
5.0	5.3
WLAN
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,ax(Wi-Fi 6),Wi-Fi 6E Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope	Accelerometer, Gyroscope, Compass
Other
	NFC, Ultra Wideband (UWB)

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Features
Dolby Atmos
Screen mirroring
Wireless screen share
Radio
FM

Cellular

5G
	Bands n1, n7, n25, n28, n41, n66, n71, n78, n258, n260, n261, SA, NSA, Sub-6, mmWave, 5G Ready
4G (FDD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
3G
Bands 1(2100), 2(1900), 5(850), 8(900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM	Dual Nano SIM + eSIM

Regulatory Approval

FCC approval
	Date approved: Jan 17, 2023 FCC ID value: A3LSMS911U
Measured SAR
	Head: 0.95 W/kg Body: 0.88 W/kg Simultaneous Transmission: 1.58 W/kg Wireless Router: 1.24 W/kg

Buyers information

MSRP
	$ 800
In The Box
This is the official Samsung Galaxy M21 User Guide in English provided from the manufacturer.	USB-C cable, SIM Tray ejector, Paperwork

Availability

Officially announced
Mar 18, 2020	Feb 01, 2023

Alternative variants

with 128GB storage


RAM	6GB
Internal storage	128GB

With 256GB internal storage


Internal storage	256GB
MSRP	$ 860

International


5G	Bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n75, n77, n78, SA, NSA, Sub-6
4G (FDD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
4G (TDD)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)

Links

Full specifications
Samsung Galaxy M21 Specs	Samsung Galaxy S23 Specs
PhoneArena Review
	Samsung Galaxy S23 Review
User Reviews
	Samsung Galaxy S23 User Reviews