LG Stylo 4 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.

7.0
LG Stylo 4
8.5
Samsung Galaxy S21
LG Stylo 4 Samsung Galaxy S21
Released · Jun 18, 2018
Released · Jan 29, 2021
6.2-inch
6.2-inch
Single camera
Triple camera
3GB · 32GB
8GB · 128GB
3300 mAh
4000 mAh
Check prices

Design

Dimensions
6.30 x 3.06 x 0.32 inches
160 x 77.7 x 8.1 mm
5.97 x 2.80 x 0.31 inches
151.7 x 71.2 x 7.9 mm
Weight
6.07 oz (172.0 g) 6.03 oz (171.0 g)
Materials
Back: Metal Back: Plastic
Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
2D Face unlock, Fingerprint (touch) 2D Face unlock, Ultrasonic in-screen fingerprint
Features
Notification light, Stylus
Keys
Left: Volume control; Right: Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black Phantom pink, Violet, Gray, White

Display

Size
6.2-inch 6.2-inch
Resolution
2160x1080px, 18:9 ratio, 390 PPI 2400x1080px, 20:9 ratio, 424 PPI
Technology
TFT Dynamic AMOLED
Refresh rate
120Hz (adaptive)
Screen-to-body
79.63 % 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 450 SDM450 (14 nm) Qualcomm Snapdragon 888 (5 nm)
Processor
Octa-core
1800 MHz
ARM Cortex-A53
Octa-core
1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680
GPU
Adreno 506 Adreno 660
RAM
3GB (LPDDR3) 8GB (LPDDR5)
Internal storage
32GB, available to use: 21.38 GB 128GB (UFS 3.0)
Storage expansion
microSDXC up to 2000 GB not expandable
OS
Android (9.0 Pie, 8.1 Oreo), LG UX UI Android (13, 12, 11), Samsung One UI

Battery

Capacity
3300 mAh 4000 mAh
Type
Li - Polymer Li - Polymer
Charging
Qualcomm Quick Charge 2.0, Qualcomm Quick Charge 3.0 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
PhoneArena Battery Tests
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 (PDAF)
Aperture size: F2.2
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) (30 fps)
Picture-taking during video recording, Video light, EIS, 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 (Autofocus, HDR), 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 a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band
MIMO, Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0 Type-C, USB 3.2
Hearing aid compatible
M4/T3 M3/T3
Location
GPS, A-GPS GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Compass Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other
NFC, UMA (Wi-Fi Calling), VoIP, 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 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), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 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), 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 38(2600), 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, HSPA, HSUPA, 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: Dec 08, 2020
FCC ID value: A3LSMG991U
Measured SAR
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
$ 300 $ 800
In The Box
USB Cable, Charger, Quick Start Guide, SIM Ejection tool C to C Data Cable, Ejection Pin

Availability

Officially announced
Jan 14, 2021

Alternative variants

for Cricket Wireless
4G (FDD) Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 14(700 PS)
3G Bands 5(850), 4(1700/2100), 2(1900)
FCC approval Date approved: May 30, 2018
FCC ID value: ZNFQ710CS
Measured SAR Head: 0.36 W/kg
Body: 0.69 W/kg
Simultaneous Transmission: 1.57 W/kg
Wireless Router: 1.14 W/kg
Phablet: 3.56 W/kg
with 256GB storage
Internal storage 256GB
for T-Mobile
RAM 2GB
4G (FDD) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 66(AWS-3), 71(600)
4G (TDD) Bands 38(2600), 41(2600+)
FCC approval Date approved: Apr 19, 2018
FCC ID value: ZNFQ710TS
Measured SAR Head: 0.27 W/kg
Body: 0.75 W/kg
Simultaneous Transmission: 1.58 W/kg
Wireless Router: 1.22 W/kg
Phablet: 3.80 W/kg
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
for Sprint
System chip MediaTek MT6750S (28 nm)
Processor Octa-core
1500 MHz
ARM Cortex-A53
GPU Mali-T860 MP2
RAM 2GB
4G (FDD) Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 17(700 b), 25(1900+), 26(850+)
4G (TDD) Bands 41(2600+)
FCC approval Date approved: Jun 04, 2018
FCC ID value: ZNFQ710AL
Measured SAR Head: 0.29 W/kg
Body: 0.80 W/kg
Simultaneous Transmission: 1.55 W/kg
Wireless Router: 1.08 W/kg
for Xfinity Mobile
RAM 2GB
Internal storage 16GB
4G (FDD) Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 66(AWS-3)
FCC approval Date approved: Jun 06, 2018
FCC ID value: ZNFQ710US
Measured SAR Head: 0.21 W/kg
Body: 0.72 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.28 W/kg
Phablet: 3.93 W/kg
for MetroPCS
RAM 2GB
4G (FDD) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 66(AWS-3), 71(600)
4G (TDD) Bands 38(2600), 41(2600+)
for Boost Mobile
System chip MediaTek MT6750S (28 nm)
Processor Octa-core
1500 MHz
ARM Cortex-A53
GPU Mali-T860 MP2
Rear Single camera
Main camera 16 MP
Resistance Water, Dust; IP68; 1
Colors Blue
4G (FDD) Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 17(700 b), 25(1900+), 26(850+)
4G (TDD) Bands 41(2600+)
FCC OKs Cingular\'s purchase of AT&T Wireless