LG Stylo 4 vs Samsung Galaxy S21 Ultra Specs Comparison

Design

Dimensions
6.30 x 3.06 x 0.32 inches 160 x 77.7 x 8.1 mm	6.50 x 2.98 x 0.35 inches (~0.37 inches with camera bump) 165.1 x 75.6 x 8.9 mm (~9.4 mm with camera bump)
Weight
6.07 oz (172.0 g)	8.04 oz (229.0 g)
Materials
Back: Metal	Back: Glass (Corning Gorilla Glass Victus) 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 black, Silver

Display

Size
6.2-inch	6.8-inch
Resolution
2160x1080px, 18:9 ratio, 390 PPI	3200x1440px, 20:9 ratio, 516 PPI
Technology
TFT	Dynamic AMOLED
Refresh rate
	120Hz (adaptable)
Screen-to-body
79.63 %	89.33 %
Peak brightness
	1500 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 SM8350 (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)	12GB (LPDDR5)
Internal storage
32GB, available to use: 21.38 GB	128GB (UFS 3.1)
Storage expansion
microSDXC up to 2000 GB	not expandable
OS
Android (9.0 Pie, 8.1 Oreo), LG UX UI	Android (14, 13, 12, 11), One UI

Battery

Capacity
3300 mAh	5000 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

6h 15min

Browsing

14h 43min

Video

8h 52min

Gaming

8h 40min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Single camera	Quad camera
Main camera
13 MP (PDAF) Aperture size: F2.2	108 MP (OIS, Laser and PDAF) Aperture size: F1.8 Focal length: 24 mm Sensor size: 1/1.33" Pixel size: 0.8 μm
Second camera
	12 MP (Ultra-wide, PDAF) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Third camera
	10 MP (Telephoto, OIS, PDAF) Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 70 mm Sensor size: 1/3.2" Pixel size: 1.22 μm
Fourth camera
	10 MP (Telephoto, Periscope, OIS, PDAF) Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 70 mm Sensor size: 1/3.2" Pixel size: 1.22 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, Video light, EIS
Front
5 MP (Autofocus, HDR), Video capture: 1920x1080 (Full HD)	40 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)

Connectivity & Features

Bluetooth
4.2	5.1
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 Pro Cat 20 (2000/150 Mbit/s)
SIM type
Nano SIM	Nano SIM
HD Voice
Yes

Regulatory Approval

FCC approval
	Date approved: Dec 22, 2020 FCC ID value: A3LSMG998U
Measured SAR
	Head: 0.77 W/kg Body: 1.02 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.16 W/kg Phablet: 3.15 W/kg

Buyers information

MSRP
$ 300	$ 1200 / € 1399
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
Colors	Phantom black
MSRP	$ 1250

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

with 512GB storage

RAM	16GB
Internal storage	512GB
Colors	Phantom black
MSRP	$ 1380

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 Europe

System chip	Samsung Exynos 2100 (5 nm)
Processor	Octa-core 1x 2.91GHz Cortex-X1 + 3x 2.81GHz Cortex-A78 + 4x 2.2GHz Cortex-A55
GPU	Mali G78 MP14
Weight	8.01 oz (227.0 g)
5G	Bands SA, NSA, Sub-6
FCC approval	Date approved: Dec 22, 2020 FCC ID value: A3LSMG998B
Measured SAR	Head: 0.16 W/kg Body: 0.72 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.34 W/kg Phablet: 3.86 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+)

Links

Full specifications
LG Stylo 4 Specs	Samsung Galaxy S21 Ultra Specs
PhoneArena Review
LG Stylo 4 Review	Samsung Galaxy S21 Ultra Review
User Reviews
LG Stylo 4 User Reviews	Samsung Galaxy S21 Ultra User Reviews