Side-by-side technical data

Samsung Galaxy A21s vs Samsung Galaxy M31 Prime

Comparison between Samsung Galaxy A21s and Samsung Galaxy M31 Prime: camera, battery, fast charging, display, performance and colors, side by side. More phones from Samsung.

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Galaxy A21s

Samsung

Galaxy M31 Prime

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The verdict

Your pick: Samsung Galaxy M31 Prime, ahead on Design & display, Performance & hardware, Camera and Battery & charging.

Category
Category	Galaxy A21s	Galaxy M31 Prime
Design & display	4.8	6.3
Performance & hardware	2.6	4.0
Camera	4.9	5.5
Connectivity	5.6	5.3
Battery & charging	5.3	5.9

Which one is for you?

Samsung Galaxy A21s, if you care about…

Peak Display Brightness: 490 nits; against 420 nits

Samsung Galaxy M31 Prime, if you care about…

Battery Capacity: 6,000 mAh; against 5,000 mAh
Storage Type: UFS 2.1; against eMMC 5.1
Display Technology: Super AMOLED; against PLS LCD
Display Pixel Density: 403 ppi; against 270 ppi

Specification comparison

Show differences only

Performance

Specification	Galaxy A21s	Galaxy M31 Prime
Processor Model	Samsung Exynos 850	Samsung Exynos 9611
Processor Process Size	8 nm Best value	10 nm
Graphics GPU	Mali-G52 MP1	Mali-G72 MP3
Storage Type	eMMC 5.1	UFS 2.1 Best value
Maximum CPU Clock	2 GHz	2.3 GHz Best value
Maximum Storage Capacity	128 GB	128 GB
AnTuTu Score	107,157	192,608
Geekbench 6 Single-Core	222	—
Geekbench 6 Multi-Core	868	—
CPU Description	Octa-core CPU with 4 Cortex-A55 cores at 2.0 GHz and 4 Cortex-A55 cores at 2.0 GHz	Octa-core: 4 × 2.3 GHz Cortex-A73 and 4 × 1.7 GHz Cortex-A53
Processor Type	Octa-Core	Octa-Core
64-Bit Processor	Yes	Yes
RAM Capacity	6 GB	6 GB
RAM Type	LPDDR4X	DDR4
Expandable Storage	Yes	Yes
AnTuTu version	v8	—
Maximum memory card	—	512 GB

Design

Specification	Galaxy A21s	Galaxy M31 Prime
Body Colors	Black, White, Blue, Red	Blue, Black
Body Thickness	8.9 mm	8.9 mm
Body Width	75.3 mm	75.1 mm
Body Height	163.7 mm	159.2 mm
Weight	192 g	191 g Best value
Usable Surface	82.8 %	84.1 % Best value
Body Materials	Glass, Plastic	Glass, Plastic

Battery

Specification	Galaxy A21s	Galaxy M31 Prime
Battery Capacity	5,000 mAh	6,000 mAh Best value
Battery Type	Li-Polymer	Li-Po
Fast Charge Power	15 W	15 W
Battery Features	Non-Removable, Rechargeable, Battery Level Indicator, Fast Charging	Fast Charging, Battery Level Indicator, Rechargeable

Display

Specification	Galaxy A21s	Galaxy M31 Prime
Display Aspect Ratio	20:9	19.5:9
Display Technology	PLS LCD	Super AMOLED Best value
Peak Display Brightness	490 nits Best value	420 nits
Display Diagonal	6.5″ Best value	6.4″
Display Horizontal Resolution	720 px	1,080 px Best value
Display Vertical Resolution	1,600 px	2,340 px Best value
Display Pixel Density	270 ppi	403 ppi Best value
Display Refresh Rate	60 Hz	—
Display Features	Hole-Punch Notch, Scratch Resistant, Capacitive Touch, Multi-Touch, Touchscreen	Gorilla Glass 3, Always-On Display, Capacitive Touch

Sensors

Specification	Galaxy A21s	Galaxy M31 Prime
Fingerprint Sensor Placement	Rear	Rear

Sensor

Specification	Galaxy A21s	Galaxy M31 Prime
Sensor Features	Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Light Sensor, Hall Sensor, 3D face recognition	Fingerprint Sensor, Accelerometer, Gyroscope, Compass

Software

Specification	Galaxy A21s	Galaxy M31 Prime
Operating System	Android 10	Android 10
OS Family	Android	Android
OS Version	10	10
OS Update Support	2 years	—
Google Services	Yes	—
Widevine L1	Yes	—

Connectivity

Specification	Galaxy A21s	Galaxy M31 Prime
SIM Configurations	Single Nano-SIM, Dual Nano-SIM, Dual SIM Dual Standby	Dual Nano-SIM
Cellular Bands	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B5, 3G UMTS B8, 3G UMTS B21, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B20, 4G LTE B26, LTE B28, 4G LTE B38, 4G LTE B40, 4G LTE B41, 4G LTE B66
Cellular Technologies	GSM, HSPA, UMTS, LTE, 4G	GSM, HSPA, LTE, 4G, UMTS
Wi-Fi Standards	Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 802.11a/b/g/n/ac	Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Wi-Fi Features	Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display	Dual Band, Wi-Fi Direct
Bluetooth Version	Bluetooth 5.0	Bluetooth 5.0
Bluetooth Profiles	A2DP, LE	A2DP, LE
Navigation Systems	GPS, A-GPS, GLONASS, Galileo, BeiDou Best value	GPS, GLONASS, Galileo, BeiDou
Connectivity Features	3.5 mm Audio Jack, NFC, FM Radio, USB Charging, USB Mass Storage, USB OTG, USB Type-C, Computer Sync, OTA Sync, Tethering, VoLTE	3.5 mm Audio Jack, Virtual Proximity Sensing, FM Radio, USB Type-C, ANT+, NFC
USB Version	USB 2.0	USB 2.0
SAR American Head	—	0.38 W/kg
SAR (EU) head	0.42 W/kg	—
SAR (EU) body	1.54 W/kg	—
Max. download speed	300 Mbps	600 Mbps Best value
Max. upload speed	150 Mbps	150 Mbps

Audio

Specification	Galaxy A21s	Galaxy M31 Prime
Microphone Count	2	2
Audio Features	A2DP, LE, Loudspeaker	A2DP, LE, Loudspeaker

Technical

Specification	Galaxy A21s	Galaxy M31 Prime
Model numbers	SM-A217F, SM-A217F/DS, SM-A217F/DSN, SM-A217M, SM-A217M/DS, SM-A217N	SM-M315F/DS

Features

Specification	Galaxy A21s	Galaxy M31 Prime
Built-in functions	—	Virtual proximity sensing