T-Mobile Revvl 4 vs TCL 20L vs LG K51

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

Comparison mode:

Display

Size:

6.2 inches
6.7 inches
6.5 inches

Resolution:

1520 x 720 pixels, 19:9 ratio, 270 PPI
2400 x 1080 pixels, 20:9 ratio, 395 PPI
1560 x 720 pixels, 19.5:9 ratio, 264 PPI

Technology:

LCD
IPS LCD

Screen-to-body:

79.97 %
84.02 %
79.70 %

Features:

Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor

Hardware

System chip:

MediaTek Helio A22
Qualcomm Snapdragon 662 SM6115
MediaTek Helio P22 MT6762

Processor:

Quad-core, 2000 MHz, ARM Cortex-A53, 64-bit, 12 nm
Octa-core, 2000 MHz, Kryo 260, 64-bit, 11 nm
Octa-core, 2000 MHz, Arm Cortex-A53, 64-bit, 12 nm

GPU:

PowerVR GE8300
Adreno 610
IMG PowerVR GE8320

RAM:

2GB
4GB LPDDR4
3GB

Internal storage:

32GB, available to use: 24 GB
128GB (eMMC 5.1)
32GB, available to use: 18 GB

Storage expansion:

microSDXC up to 256 GB
microSDXC up to 1024 GB
microSDXC up to 2000 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (10)
Android (11)
Android (10)

Battery

Capacity:

3500 mAh
5000 mAh
4000 mAh

Type:

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

Charging:

Fast charging

Max charge speed:

Wired: 18.0W

Camera

Rear:

Single camera
Quad camera
Triple camera

Main camera:

13 MP (Autofocus)
48 MP (Autofocus)
13 MP (PDAF)

Specifications:

Aperture size: F2.0; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Sensor size: 1/3"; Pixel size: 1.12 μm

Second camera:

8 MP (Ultra-wide)
5 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Third camera:

2 MP (Macro)
2 MP (Depth information)

Specifications:

Aperture size: F2.4; Sensor size: 1/5"; Pixel size: 1.75 μm
Sensor size: 1/5"; Pixel size: 1.75 μm

Fourth camera:

2 MP (Depth information)

Specifications:

Aperture size: F2.4; Sensor size: 1/5"; Pixel size: 1.75 μm

Video recording:

1920x1080 (Full HD)
1920x1080 (Full HD) (60 fps)
1920x1080 (Full HD)

Features:

HDR, Picture-taking during video recording
Picture-taking during video recording

Front:

5 MP
16 MP (HDR, Slow-motion videos)
13 MP

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

6.26 x 2.99 x 0.32 inches (159 x 75.9 x 8.1 mm)
6.54 x 3.03 x 0.36 inches (166.2 x 76.9 x 9.1 mm)
6.57 x 3.07 x 0.33 inches (166.9 x 77.9 x 8.4 mm)

Weight:

5.59 oz (158.5 g)
7.02 oz (199.0 g)
7.17 oz (203.4 g)

Materials:

Back: Plastic
Back: Plastic

Resistance:

Yes; MIL-STD-810 certified

Biometrics:

2D Face unlock, Fingerprint (touch)
2D Face unlock, Fingerprint (touch)
Fingerprint (touch)

Keys:

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

Colors:

Graphite
Eclipse Black, Luna Blue
Titan gray

Cellular

Carrier locked:

Yes

LTE (FDD):

Bands 2(1900), 4(AWS-1), 5(850), 7(2600), 12(700 a), 25(1900+), 26(850+), 66(AWS-3), 71(600)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 25(1900+), 26(850+), 66(AWS-3), 71(600)

LTE (TDD):

Bands 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)
Bands 41(2600+)

UMTS:

Bands 5(850), 4(1700/2100), 2(1900)
Bands 1(2100), 2(1900), 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, HSUPA 5.76 Mbit/s
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Shared with microSD

SIM type:

Nano SIM
Nano SIM
Nano SIM

HD Voice:

Yes
Yes
Yes

VoLTE:

Yes
Yes
Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features:

DTS:X Virtual Surround

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM
FM, Stereo, RDS
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0
5.0

Wi-Fi:

802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 b, g, n, ac; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB:

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

Features:

Charging
Charging
Charging

Location:

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

Sensors:

Accelerometer
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass

Other:

NFC

Hearing aid compatible:

M3, T3
M3, T3

Regulatory Approval

FCC approval:

Date approved:

Jun 16, 2020

FCC ID value:

ZNFL555DL

Measured SAR:

Head:

0.66 W/kg

Body:

1.20 W/kg

Simultaneous Transmission:

1.59 W/kg

Wireless Router:

1.27 W/kg

Phablet:

3.96 W/kg

Buyers information

Price:

$ 120
€ 229
$ 200

User Manual:

This is the official LG K51 User Guide in English provided from the manufacturer.

In The Box:

Quick Start Guide, Charger Head, Data cable, Product Safety Information, SIM Tool
Charger 9V 2A,Type-C Cable, Display & Back cover Film, SIM tooling pin, QSG, PSI, TPU case
Charger, USB Cable, SIM Ejector

Availability

Officially announced:

Aug 27, 2020
Apr 14, 2021
May 06, 2020
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