Home/LG/LG K51S vs TCL 20B
LG K51S

LG K51S

#4119
TCL 20B

TCL 20B

#3451

Category Breakdown

LG K51S
TCL 20B
Performance
72.866.7
Camera
19.119.1
Display
56.556.5
Battery
28.128.1
Build
0.265.8
Connectivity
60.548.3
Audio
8.98.9
Overall
36.140.9

Summary

  • The LG K51S features a slightly larger 6.55-inch IPS LCD display with a resolution of 720 x 1600 pixels, while the TCL 20B has a 6.52-inch display with the same resolution but a lower pixel density.
  • In terms of performance, the K51S is powered by the Mediatek Helio P35 chipset, offering a higher CPU clock speed compared to the Helio P22 in the TCL 20B, which has a lower clock speed and less RAM at 4GB.
  • The camera system on the K51S includes a 32 MP main sensor and additional lenses for ultrawide and macro shots, while the TCL 20B features a 50 MP main camera but lacks the versatility of additional lenses.
  • Both phones have a 4000 mAh battery, but the TCL 20B supports faster 18W charging.
  • The K51S runs on Android 9.0, while the TCL 20B offers a more recent Android 11 with TCL's UI, providing a potentially better software experience.
  • Build quality favors the TCL 20B with its glass front, while the K51S is primarily plastic, and the TCL is lighter at 178g compared to the K51S's 194.5g.

Side-by-side Specification Comparison

LG K51S
TCL 20B

General

Release Date

2020, February 18
2021, September 30

Announced

2020, February 18
2021, September 30

Description

N/A
N/A

Display

Size

6.55"
6.52"

Type

IPS LCD
IPS LCD

Resolution

720 x 1600 pixels, 20:9 ratio (~282 ppi density)
720 x 1600 pixels, 20:9 ratio (~269 ppi density)

PPI

720
720

Refresh Rate

60Hz
60Hz

HDR Support

Protection

Scratch-resistant glass
N/A

Performance

Chipset

Mediatek MT6765 Helio P35 (12 nm)
Mediatek MT6762 Helio P22 (12 nm)

CPU

Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Octa-core 1.8 GHz Cortex-A53

GPU

PowerVR GE8320
PowerVR GE8320

Memory

64GB 3GB RAM
64GB 4GB RAM

Expandable Storage

Card Slot

microSDXC (dedicated slot)
microSDXC

Camera

Main Camera

32 MP, (wide), PDAF5 MP, f/2.2, 115˚, (ultrawide)2 MP, f/2.4, (macro)2 MP, f/2.4, (depth)
50 MP, (wide), PDAF2 MP, f/2.4, (depth)

Main Camera Features

LED flash, panorama, HDR
LED flash, HDR, panorama

Front Camera

13 MP, 1/3.1", 1.12µm
8 MP

Front Camera Features

N/A
N/A

Video Recording

1080p@30fps
1080p@30fps

Selfie Video

1080p@30fps
1080p@30fps

Optical Stabilization

Night Mode

Raw Photo Support

Battery

Capacity

4000 mAh
4000 mAh

Battery Details

Li-Po 4000 mAh
Li-Po 4000 mAh

Charging Details

N/A
18W wired

Fast Charging

Wireless Charging

Build & Safety

Dimensions

165.2 x 76.7 x 8.3 mm (6.50 x 3.02 x 0.33 in)
164.7 x 74.7 x 8 mm (6.48 x 2.94 x 0.31 in)

Weight

194.5 g
178 g

Materials

N/A
Glass front, plastic frame, plastic back

Colors

Titanium, Pink, Blue, Red
Gray, Violet

Foldable

SAR

N/A
N/A

Connectivity

SIM

Nano-SIMNano-SIM + Nano-SIM
Nano-SIM + Nano-SIM

Network

GSM / HSPA / LTE
GSM / HSPA / LTE

Network Speed

HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
HSPA, LTE

5G

4G

WiFi

Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, DLNAorWi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA
Wi-Fi 802.11 b/g/n, Wi-Fi Direct

Bluetooth

5.0, A2DP, LE
5.0, A2DP, LE

NFC

USB

USB Type-C 2.0, OTG
USB Type-C 2.0

IR Blaster

Headphone Jack

Radio

Positioning

GPS
GPS

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

Yes
Yes

Software & Security

Operating System

Android 9.0 (Pie)
Android 11, TCL UI

Fingerprint

Face Unlock

Sensors

Fingerprint (rear-mounted), accelerometer, proximity, compass
Fingerprint (rear-mounted), accelerometer, proximity