LG G4 vs Samsung Galaxy S9+ vs Samsung Galaxy S21

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

5.5 inches
6.2 inches
6.2 inches

Resolution:

2560 x 1440 pixels, 538 PPI
2960 x 1440 pixels, 18.5:9 ratio, 531 PPI
2400 x 1080 pixels, 20:9 ratio, 424 PPI

Technology:

IPS LCD
Super AMOLED
Dynamic AMOLED

Screen-to-body:

72.46 %
83.68 %
86.06 %

Peak brightness:

500 cd/m2 (nit)
1300 cd/m2 (nit)

Features:

Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
120Hz refresh rate (adaptive), HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 808 MSM8992
Qualcomm Snapdragon 845 SDM845
Qualcomm Snapdragon 888

Processor:

Hexa-core, 1800 MHz, ARM Cortex-A57 and ARM Cortex-A53, 64-bit, 20 nm
Octa-core, 2800 MHz, Kryo 385, 64-bit, 10 nm
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm

GPU:

Adreno 418
Adreno 630
Adreno 660

RAM:

3GB LPDDR3
6GB LPDDR4
8GB LPDDR5

Internal storage:

32GB, available to use: 21.9 GB
64GB
128GB (UFS 3.0), not expandable

Storage expansion:

microSDXC up to 2000 GB
microSDXC up to 400 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (6.0 Marshmallow, 5.1 Lollipop), LG UX UI
Android (10, 9.0 Pie, 8.0 Oreo), Samsung One UI
Android (11), Samsung One UI

Battery

Capacity:

3000 mAh
3500 mAh
4000 mAh

Type:

Li - Ion, User replaceable
Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable

Charging:

Qualcomm Quick Charge 2.0
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging

Max charge speed:

Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Single camera
Dual camera
Triple camera

Main camera:

16 MP (OIS, Laser autofocus)
12 MP (OIS, PDAF)
12 MP (OIS, PDAF)

Specifications:

Aperture size: F1.8; Focal length: 28 mm; Sensor size: 1/2.6"; Pixel size: 1.12 μm
Aperture size: F1.5/F2.4; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 1.8 μm

Second camera:

12 MP (Telephoto, OIS, Autofocus)
64 MP (Telephoto, OIS, PDAF)

Specifications:

Optical zoom: 2.0x; Aperture size: F2.4; Focal Length: 52 mm; Sensor size: 1/3.6"; Pixel size: 1 μm
Aperture size: F2.0; Focal Length: 29 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm

Third camera:

12 MP (Ultra-wide, Autofocus)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (30 fps), 1280x720 (HD) (120 fps)
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features:

OIS, Continuous autofocus, Picture-taking during video recording, Video light, Video calling, Video sharing
HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, EIS, Video calling, Video sharing
OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS

Front:

8 MP
8 MP (Autofocus, HDR)
10 MP (PDAF, HDR)

Video capture:

1920x1080 (Full HD)
2560x1440 (QHD) (30 fps)
3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

5.86 x 3.00 x 0.39 inches (148.9 x 76.1 x 9.8 mm)
6.22 x 2.91 x 0.33 inches (158.1 x 73.8 x 8.5 mm)
5.97 x 2.80 x 0.31 inches (151.7 x 71.2 x 7.9 mm)

Weight:

5.47 oz (155.0 g)
6.67 oz (189.0 g)
6.03 oz (171.0 g)

Materials:

Back: Plastic
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Back: Plastic; Frame: Aluminum

Resistance:

Water, Dust; IP68
Water, Dust; IP68

Biometrics:

Iris scanner, 2D Face unlock, Fingerprint (touch)
2D Face unlock, Ultrasonic in-screen fingerprint

Features:

Notification light, Interchangeable covers
Notification light

Keys:

Back: Volume control, Camera shutter, Lock/Unlock key
Left: Volume control, Other; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Black, Gray, Brown, White
Midnight black, Coral blue, Titanium gray, Lilac purple, Burgundy red, Sunrise gold, Ice blue, Polaris blue
Phantom pink, Violet, Gray, White

Cellular

5G:

n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave

LTE (FDD):

Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 17(700 b), 25(1900+)
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), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 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)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)

UMTS:

Bands 5(850), 8(900), 2(1900), 1(2100)
Bands 5(850), 8(900), 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), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

SIM type:

Micro SIM
Nano SIM
Nano SIM

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features:

Album art cover, Background playback, Custom equalizer, Preset equalizer
32-Bit DAC, Dolby Atmos, aptX-HD
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus

Screen mirroring:

DLNA, Wireless screen share, SlimPort
Wireless screen share
Wireless screen share

Radio:

FM, Stereo, RDS
FM
FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation, Video recording

Connectivity & Features

Bluetooth:

4.1
5.0
5.0

Wi-Fi:

802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; MIMO, 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 (reversible), USB 3.1
Type-C (reversible), USB 3.2

Features:

Mass storage device, OTG, Video out, Charging
Charging, OTG, Video out
Charging, Headphones port, OTG, Video out

Location:

GPS, A-GPS, S-GPS, Glonass
GPS, A-GPS, Glonass, Galileo, BeiDou
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass, Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer

Other:

NFC, Tethering, Computer sync, OTA sync
NFC, ANT+
NFC, ANT+

Hearing aid compatible:

M3, T3
M3, T3

Regulatory Approval

FCC approval:

Date approved:

Jul 16, 2015
Jan 11, 2018
Dec 08, 2020

FCC ID value:

ZNFH815 link
A3LSMG965U link
A3LSMG991U link

Measured SAR:

Head:

0.75 W/kg
0.36 W/kg
0.36 W/kg

Body:

0.38 W/kg
0.79 W/kg
1.08 W/kg

Simultaneous Transmission:

1.52 W/kg
1.59 W/kg
3.96 W/kg

Wireless Router:

0.34 W/kg
1.04 W/kg
1.09 W/kg

Phablet:

3.94 W/kg
2.49 W/kg

EU SAR:

Head:

0.61 W/kg

Buyers information

Price:

$ 840
$ 800

In The Box:

Handsfree, Charger, USB cable, Manual
C to C Data Cable, Ejection Pin

Availability

Officially announced:

Apr 28, 2015
Feb 25, 2018
Jan 14, 2021
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