Samsung Galaxy A21 vs Samsung Galaxy S23 Specs Comparison

Display

Size
6.5-inch	6.1-inch
Resolution
1600 x 720 px, 20:9 ratio, 270 PPI	2340 x 1080 px, 19.5:9 ratio, 422 PPI
Technology
IPS LCD	Super AMOLED
Refresh rate
60Hz	120Hz
Screen-to-body
79.20 %	88.57 %
Peak brightness
	1750 cd/m2 (nit)
Features
Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus 2), Ambient light sensor, Proximity sensor

Hardware

System chip
Mediatek Helio P35 MT6765 (12 nm)	Qualcomm Snapdragon 8 Gen 2 SM8550-AC (4 nm)
Processor
Octa-core, 4x 2.3GHz Cortex-A53 + 4x 1.8GHz Cortex-A53, 64-bit	Octa-core, 1x 3.36GHz Kryo Prime + 4x 2.8GHz Kryo Gold + 3x 2.0GHz Kryo Silver
GPU
PowerVR GE8320	Adreno 740
RAM
3GB (LPDDR4)	8GB (LPDDR5X)
Internal storage
32GB (eMMC 5.1), available to use: 19.8 GB	128GB (UFS 4.0), not expandable
Storage expansion
microSDXC up to 512 GB
OS
Android (10), Samsung One UI	Android (14, 13), One UI
Device type
Smartphone	Smartphone

Battery

Capacity
4000 mAh	3900 mAh
Type
Li - Polymer, Not user replaceable	Li - Ion, Not user replaceable
Charging
Fast charging	Fast charging, Qi wireless charging, Reverse wireless charging
Max charge speed
Wired: 15.0W	Wired: 25.0W Wireless: 10.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

6h 3min

Browsing

15h 21min

Video

8h 6min

Gaming

8h 1min

Find out more details about battery and charging for all phones we have tested on our PhoneArena Battery Score page.

Camera

Rear
Quad camera	Triple camera
Main camera
16 MP (PDAF) Specifications: Aperture size: F1.8 Sensor size: 1/3.06" Pixel size: 1 μm	50 MP (OIS, PDAF) Specifications: Aperture size: F1.8 Focal length: 23 mm Sensor size: 1/1.56" Pixel size: 1.0 μm
Second camera
8 MP (Ultra-wide) Specifications: Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm	10 MP (Telephoto, OIS) Specifications: Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 69 mm Sensor size: 1/3.94" Pixel size: 1.0 μm
Third camera
2 MP (Macro) Specifications: Aperture size: F2.4	12 MP (Ultra-wide) Specifications: Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Fourth camera
2 MP (Depth information) Specifications: Aperture size: F2.4
Flash
LED	Dual LED
Video recording
1920x1080 (Full HD) (30 fps)	7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps) Features: OIS, HDR
Front
13 MP, Video capture: 1920x1080 (Full HD)	12 MP, Video capture: 3840x2160 (4K UHD) (60 fps)

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

137

Overall

139

Photo

134

Video

Find out more details about photo and video scores for all phones we have tested on our PhoneArena Camera Score page.

Design

Dimensions
6.61 x 3.02 x 0.32 inches (167.8 x 76.7 x 8.1 mm)	5.76 x 2.79 x 0.30 inches (146.3 x 70.9 x 7.6mm) thickness with camera 0.36 inches (9.02 mm)
Weight
6.81 oz(193.0 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
Fingerprint (touch)	2D Face unlock, Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black	Phantom Black, Cream, Green, Lavender

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), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)	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), 39(1900+), 40(2300), 41(2600+)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM	Dual Nano SIM + eSIM
HD Voice
Yes

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
	Noise cancellation

Connectivity & Features

Bluetooth
5.0	5.3
Wi-Fi
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 (reversible), USB 2.0, Features: Charging	Type-C (reversible), Features: Charging, OTG
Hearing aid compatible
M4/T3
Location
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass
Other
NFC	NFC, Ultra Wideband (UWB)

Regulatory Approval

FCC approval
Date approved: Apr 17, 2020 FCC ID value: ZCASMA215U	Date approved: Jan 17, 2023 FCC ID value: A3LSMS911U
Measured SAR
Head: 0.42 W/kg Body: 1.27 W/kg Simultaneous Transmission: 1.27 W/kg Wireless Router: 1.27 W/kg	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
$ 250	$ 800
In The Box
This is the official Samsu​ng Galaxy A21 User Guide in English provided from the manufacturer.	USB-C cable, SIM Tray ejector, Paperwork

Availability

Officially announced
Apr 08, 2020	Feb 01, 2023

Alternative variants

for Verizon

4G (FDD)	Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
4G (TDD)	Bands 38(2600), 40(2300), 41(2600+)
3G	Bands 5(850), 8(900), 2(1900), 1(2100)

With 256GB internal storage

Internal storage	256GB
MSRP	$ 860

for Sprint

4G (FDD)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD)	Bands 41(2600+)

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 A21 Specs	Samsung Galaxy S23 Specs
PhoneArena Review
	Samsung Galaxy S23 Review
User Reviews
Samsung Galaxy A21 User Reviews	Samsung Galaxy S23 User Reviews