Samsung Galaxy M21 vs Samsung Galaxy S10+ 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.

Comparison mode:
Specs Size
Differences only
Samsung Galaxy M21
9.0
Samsung Galaxy S10+
Samsung Galaxy M21 Samsung Galaxy S10+
Released · Mar 23, 2020
Released · Mar 08, 2019
6.4-inch · 2340x1080px
6.4-inch · 3040x1440px
Triple camera
Triple camera
4GB · 64GB
8GB · 128GB
6000 mAh
4100 mAh

Availability

Officially announced
Mar 18, 2020 Feb 20, 2019
Prices (MSRP)
$1000

Design

Dimensions
6.26 x 2.96 x 0.35 inches
159.0 x 75.1 x 8.9 mm 		6.20 x 2.92 x 0.31 inches
157.6 x 74.1 x 7.8 mm
Weight
6.63 oz / 188.0 g 6.17 oz / 175.0 g
Materials
Back: Plastic
Frame: Plastic 		Back: Glass (Corning Gorilla Glass 5)
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 Left: Volume control, Other; Right: Lock/Unlock key
Colors
Midnight blue, Raven black Prism blue, Prism black, Prism white, Prism green, Flamingo pink

Display

Size
6.4-inch, 84.11% screen-to-body 6.4-inch, 88.63% screen-to-body
Type
Super AMOLED, 420 nits Dynamic AMOLED, HDR
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI 3040x1440px, 19:9 ratio, 522 PPI
Protection
Corning Gorilla Glass 3 Corning Gorilla Glass 6
Features
Scratch-resistant glass, Proximity sensor
PhoneArena Display Test
Bright Max (20% APL)
Untested Untested
Bright Min
Untested 1 (Excellent)
Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Exynos 9611 (10 nm) Snapdragon 855 (7 nm)
Processor
Octa-core
4x2.3GHz Cortex-A73
4x1.7G​Hz Cortex-A53 		Octa-core
2800 MHz
Kryo 485
GPU
Mali-G72 MP3 Adreno 640
Memory
4GB (LPDDR4)/64GB
6GB/128GB 		8GB (LPDDR4)/128GB
8GB/512GB
12GB/1000GB
Storage expansion
microSDXC up to 512 GB microSDXC up to 512 GB
OS
Android (11, 10) Android (11, 10, 9.0 Pie)

Battery

Type
6000 mAh, Li - Polymer 4100 mAh, Li - Ion
Charging
Fast charging Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging
Qi and Powermat wireless charging, Reverse wireless charging
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
5h 28min
Browsing
10h 33min
Video
8h 56min
Gaming
8h 7min
Learn more on our PhoneArena Battery Test Results page

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 		12 MP (OIS, PDAF)
Aperture size: F1.5/F2.4
Focal length: 26 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Second camera
8 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 12 mm
Sensor size: 1/4"
Pixel size: 1.12 μm 		16 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 12 mm
Sensor size: 1/3.1"
Pixel size: 1 μm
Third camera
5 MP (Depth information)
Aperture size: F2.2 		12 MP (Telephoto, OIS, PDAF)
Optical zoom: 2.0x
Aperture size: F2.4
Focal Length: 52 mm
Sensor size: 1/3.6"
Pixel size: 1 μm
Flash
LED LED
Video recording
4K UHD (30 fps), 1080p, 720p (240 fps)
EIS 		4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
HDR, Time-lapse video, Hyperlapse, EIS, Video calling, Video sharing
Front
20 MP (HDR)
Video capture: 1080p 		10 MP (Dual-Camera, Autofocus, HDR)
Video capture: 4K UHD

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac 		a,b,g,n,ac,Wi-Fi 6,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
USB
Type-C, USB 2.0 Type-C, USB 3.1
Sensors
Accelerometer, Gyroscope, Proximity sensor Accelerometer, Gyroscope, Compass, Hall (for flip covers), Heart rate, Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
M4/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Other
NFC, ANT+

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Multiple speakers
Features
Dolby Atmos 32-Bit DAC, Dolby Atmos, aptX-HD
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD) Bands
1, 3, 5, 7, 8, 20 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71
4G (TDD) Bands
38, 40, 41 38, 39, 40, 41, 46
3G Bands
1, 2, 5, 8 1, 2, 4, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A Pro Cat 20 (2000/150 Mbit/s), LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Nano SIM
HD Voice
Yes

Regulatory Approval

FCC approval
Date approved: Feb 01, 2019
FCC ID value: A3LSMG975U
Measured SAR
Head: 0.41 W/kg
Body: 1.04 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.29 W/kg
Phablet: 3.99 W/kg

Alternative variants

with 128GB storage
Memory 6GB/128GB
International version
System chip Samsung Exynos 9 9820 (8 nm)
Processor Octa-core
2700 MHz
Exynos M4, ARM Cortex-A75 and ARM Cortex-A55
GPU Mali-G76 MP12
Dual SIM Yes
FCC approval Date approved: Feb 15, 2019
FCC ID value: A3LSMG975F
Measured SAR Head: 0.32 W/kg
Body: 0.77 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.39 W/kg
Phablet: 3.24 W/kg
with 1000 GB storage
Memory 12GB/1000GB
Weight 6.98 oz / 198.0 g
Materials Back: Ceramic
Prices (MSRP) $1600
with 512 GB storage
Memory 512GB
Weight 6.98 oz / 198.0 g
Materials Back: Ceramic
Prices (MSRP) $1250
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