LG Stylo 3 vs Samsung Galaxy S21 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.

	8.5
LG Stylo 3	Samsung Galaxy S21
Released · Mar 14, 2017	Released · Jan 29, 2021
5.7-inch	6.2-inch
Single camera	Triple camera
2GB · 16GB	8GB · 128GB
3200 mAh	4000 mAh
	Check prices

Design

Dimensions
6.13 x 3.15 x 0.29 inches 155.7 x 80 x 7.4 mm	5.97 x 2.80 x 0.31 inches 151.7 x 71.2 x 7.9 mm
Weight
5.3 oz (150.0 g)	6.03 oz (171.0 g)
Materials
	Back: Plastic Frame: Aluminum
Resistance
	Water, Dust; IP68
Biometrics
Fingerprint (touch)	2D Face unlock, Ultrasonic in-screen fingerprint
Features
Notification light, Stylus
Keys
Left: Volume control; Back: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black	Phantom pink, Violet, Gray, White

Display

Size
5.7-inch	6.2-inch
Resolution
1280x720px, 258 PPI	2400x1080px, 20:9 ratio, 424 PPI
Technology
IPS LCD	Dynamic AMOLED
Refresh rate
	120Hz (adaptive)
Screen-to-body
72.13 %	86.06 %
Peak brightness
	1300 cd/m2 (nit)
Features
Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 435 8940 (28 nm)	Qualcomm Snapdragon 888 (5 nm)
Processor
Octa-core 1400 MHz ARM Cortex-A53	Octa-core 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680
GPU
Adreno 505	Adreno 660
RAM
2GB (LPDDR3)	8GB (LPDDR5)
Internal storage
16GB, available to use: 8.44 GB	128GB (UFS 3.0)
Storage expansion
microSDXC up to 2000 GB	not expandable
OS
Android (7.0 Nougat), LG UX UI	Android (13, 12, 11), Samsung One UI

Battery

Capacity
3200 mAh	4000 mAh
Type
Li - Ion	Li - Polymer
Charging
	Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Charge speed
	Wired: 25.0W Wireless: 15.0W

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

4h 28min

Browsing

7h 47min

Video

7h 36min

Gaming

7h 9min

Camera

Rear
Single camera	Triple camera
Main camera
13 MP (Autofocus)	12 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.76" Pixel size: 1.8 μm
Second camera
	12 MP (Ultra-wide, Autofocus) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Third camera
	64 MP (Telephoto, OIS, PDAF) Aperture size: F2.0 Focal Length: 29 mm Sensor size: 1/1.7" Pixel size: 0.8 μm
Flash
LED	LED
Video recording
1920x1080 (Full HD) Picture-taking during video recording, Video calling, Video sharing	7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS
Front
5 MP, Video capture: 1920x1080 (Full HD)	10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
802.11 b,g,n Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0	Type-C, USB 3.2
Hearing aid compatible
M3/T3	M3/T3
Location
GPS, A-GPS, S-GPS	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other
Tethering, Computer sync, OTA sync	NFC, ANT+

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Features
Album art cover, Background playback	32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Screen mirroring
DLNA,Wireless screen share	Wireless screen share
Radio
FM	FM, Stereo, RDS
Additional microphone(s)
	Noise cancellation, Video recording

Cellular

5G
	Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave
4G (FDD)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 25(1900+), 26(850+)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD)
Bands 41(2600+)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
3G
Bands 5(850), 4(1700/2100), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSPA, UMTS	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
SIM type
Nano SIM	Nano SIM
HD Voice
Yes

Regulatory Approval

FCC approval
Date approved: Feb 06, 2017 FCC ID value: ZNFLS777	Date approved: Dec 08, 2020 FCC ID value: A3LSMG991U
Measured SAR
Head: 0.59 W/kg Body: 1.19 W/kg Simultaneous Transmission: 1.27 W/kg Wireless Router: 1.49 W/kg	Head: 0.36 W/kg Body: 1.08 W/kg Simultaneous Transmission: 3.96 W/kg Wireless Router: 1.09 W/kg Phablet: 2.49 W/kg

Buyers information

MSRP
	$ 800
In The Box
	C to C Data Cable, Ejection Pin

Availability

Officially announced
Dec 22, 2016	Jan 14, 2021

Alternative variants


System chip	MediaTek MT6750
Processor	Octa-core 1500 MHz ARM Cortex-A53
GPU	Mali-T860 MP2
RAM	3GB (LPDDR3)
Front	8 MP

with 256GB storage


Internal storage	256GB

for Europe


System chip	Samsung Exynos 2100 (5 nm)
Processor	Octa-core 2900 MHz 1x 2.91GHz Cortex-X1 + 3x 2.81GHz Cortex-A78 + 4x 2.2GHz Cortex-A55
GPU	Mali G78 MP14
Weight	5.96 oz (169.0 g)
5G	Bands SA, NSA, Sub-6
FCC approval	Date approved: Dec 18, 2020 FCC ID value: A3LSMG991B
Measured SAR	Head: 0.42 W/kg Body: 0.94 W/kg Simultaneous Transmission: 3.96 W/kg Wireless Router: 1.34 W/kg Phablet: 2.37 W/kg

Links

Full specifications
LG Stylo 3 Specs	Samsung Galaxy S21 Specs
PhoneArena Review
	Samsung Galaxy S21 Review
User Reviews
LG Stylo 3 User Reviews	Samsung Galaxy S21 User Reviews