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Alcatel 3X (2019) vs LG G8 ThinQ vs Samsung Galaxy S21+

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

Comparison mode:

Display

Size:

6.5 inches
6.1 inches
6.7 inches

Resolution:

1600 x 720 pixels, 20:9 ratio, 269 PPI
3120 x 1440 pixels, 19.5:9 ratio, 563 PPI
2400 x 1080 pixels, 20:9 ratio, 393 PPI

Technology:

OLED
Dynamic AMOLED

Refresh rate:

120Hz (adaptive)

Screen-to-body:

82.25 %
83.66 %
88.63 %

Peak brightness:

600 cd/m2 (nit)
1300 cd/m2 (nit)

Features:

Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip:

MediaTek MT6763V/V
Qualcomm Snapdragon 855
Qualcomm Snapdragon 888

Processor:

Octa-core, 2000 MHz, 64-bit
Octa-core, 2840 MHz, Kryo 485, 64-bit, 7 nm
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm

GPU:

ARM Mali G71 MP2
Adreno 640
Adreno 660

RAM:

4GB
6GB LPDDR4
8GB LPDDR5

Internal storage:

64GB, available to use: 55 GB
128GB, available to use: 106 GB
128GB (UFS 3.0), not expandable

Storage expansion:

microSDXC up to 128 GB
microSDXC up to 2000 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (9.0 Pie)
Android (9.0 Pie)
Android (11), Samsung One UI

Battery

Capacity:

4000 mAh
3500 mAh
4800 mAh

Type:

Not user replaceable
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable

Charging:

Qualcomm Quick Charge 3.0, USB Power Delivery, Qi 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:

Triple camera
Dual camera
Triple camera

Main camera:

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

Specifications:

Aperture size: F1.8; Focal length: 27 mm; Sensor size: 1/2.8"; Pixel size: 1.12 μm
Aperture size: F1.5; Focal length: 27 mm; Sensor size: 1/2.6"; 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:

8 MP (Ultra-wide)
16 MP (Ultra-wide)
64 MP (Telephoto, OIS, PDAF)

Specifications:

Aperture size: F2.2; Focal Length: 17 mm; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F1.9; Focal Length: 16 mm; Sensor size: 1/3.1"; Pixel size: 1 μm
Aperture size: F2.0; Focal Length: 29 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm

Third camera:

5 MP (Depth information)
12 MP (Ultra-wide, PDAF)

Specifications:

Aperture size: F2.4; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F1.8; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Video recording:

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

Features:

HDR, Time-lapse video, EIS, Video calling, Video sharing
OIS, HDR, Hyperlapse, Video light, EIS

Front:

8 MP
8 MP (Dual-Camera, Autofocus)
10 MP (PDAF, HDR)

Video capture:

1280x720 (HD) (30 fps)
1920x1080 (Full HD)
3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

6.49 x 2.98 x 0.33 inches (164.8 x 75.8 x 8.39 mm)
5.98 x 2.83 x 0.33 inches (151.9 x 71.8 x 8.4 mm)
6.35 x 2.98 x 0.31 inches (161.5 x 75.6 x 7.8 mm)

Weight:

6.28 oz (178.0 g)
5.89 oz (167.0 g)
7.13 oz (202.0 g)

Materials:

Back: Glass (Corning Gorilla Glass 6); Frame: Aluminum
Back: Glass (Corning Gorilla Glass Victus); Frame: Aluminum

Resistance:

Water, Dust; IP68; MIL-STD-810 certified
Water, Dust; IP68

Biometrics:

Fingerprint (touch)
3D Face unlock, Fingerprint (touch)
2D Face unlock, Ultrasonic in-screen fingerprint

Keys:

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

Colors:

Jewelry Black
Aurora black, Platinum gray, Carmine red
Phantom silver, Black, Violet

Cellular

5G:

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

LTE (FDD):

Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
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), 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), 40(2300)
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 Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 11 Mbit/s, UMTS
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

Dual SIM:

Yes

SIM type:

Nano SIM
Nano SIM
Nano SIM

HD Voice:

Yes
Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features:

32-Bit DAC, DTS:X Virtual Surround, aptX-HD
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus

Screen mirroring:

Wireless screen share
DLNA, Wireless screen share, MirrorLink
Wireless screen share

Radio:

FM
FM
FM

Additional microphone(s):

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

Connectivity & Features

Bluetooth:

4.2
5.0
5.0

Wi-Fi:

802.11 b, g, n; 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:

Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.1
Type-C (reversible), USB 3.2

Features:

Charging
Charging, OTG
Charging, Headphones port, OTG, Video out

Location:

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

Sensors:

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

Other:

NFC, UMA (Wi-Fi Calling)
NFC, ANT+

Hearing aid compatible:

M3
M4, T3
M3, T3

Regulatory Approval

FCC approval:

Date approved:

Feb 15, 2019
Dec 18, 2020

FCC ID value:

ZNFG820UM
A3LSMG996U

Measured SAR:

Head:

0.98 W/kg
0.65 W/kg

Body:

0.95 W/kg
0.95 W/kg

Simultaneous Transmission:

1.59 W/kg
1.59 W/kg

Wireless Router:

1.29 W/kg
1.04 W/kg

Phablet:

3.88 W/kg
3.97 W/kg

Buyers information

Price:

$ 820
$ 1000

In The Box:

USB Type-C cable, Quick Charge 3.0 charger, SIM tray opener, Clear case, Stereo headset
C to C Data Cable, Ejection Pin

Availability

Officially announced:

Sep 05, 2019
Feb 24, 2019
Jan 14, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless