Asus Zenfone 6 ZS630KL vs TCL 20L

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700/2100, 1900, 2100

HSDPA 850, 900, 1900, 2100 - EU/MEA/APAC; HSDPA 850, 900, 1700(AWS), 1900, 2100 - LATAM
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 26(850), 28(700), 38(2600), 39(1900), 40(2300), 41(2500)

LTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - EU/MEA/APAC; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 38, 40, 41, 66, 71 - LATAM
HSDPA speed

42 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE Cat 18, 1.2 Gbps download, 221 Mbps upload

LTE-A, Cat6, 300 Mbps download, 50 Mbps upload
GPRS

Yes

Class 12
EDGE

Yes

Class 12

Design
Build

Aluminium alloy, glass

Glass front, plastic back, plastic frame
SIM

Dual SIM (Nano-SIM, dual SIM stand-by)

Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
Height

159.1 mm

166.2 mm
Width

75.44 mm

76.9 mm
Thickness

9.1 mm

9.1 mm
Weight

190 g

199 g
Colors

Black, Silver

Black, Blue

Display
Display type

IPS

IPS LCD
Physical size

6.4 inches

6.67 inches
Resolution

1080 x 2340 pixels

1080 x 2400 pixels
Pixel density

403 ppi

395 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 6

Scratch resistant, 2.5D curved glass screen
Multitouch

Yes

-
Display features

HDR10, Bluelight Filter

500 nits (peak)

Main camera
Camera type

Dual

Quad
Main camera

48 MP, f/1.8 , 26 mm, 1/2" , 0.8 µm

48 MP, f/2.0 , 26 mm, 1/2.0" , 0.8 µm, (wide)
13 MP, f/2.4 , 11 mm

8 MP, f/2.2 , 13 mm, (ultrawide) , 118˚ , 1/4.0" , 1.12 µm
(macro) , 2 MP, f/2.4
(depth) , 2 MP, f/2.4
Primary camera resolution

8000 x 6000 pixels

8000 x 6000 pixels
Primary camera video

2160p@60fps, 1080p@240fps, 720@480fps

1080p@30/60fps
Primary camera flash

dual LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, RAW, laser autofocus, motorized flip to secondary camera

Autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 1.0 reversible connector

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth AVRCP

Yes

-
bluetooth HFP

Yes

-
bluetooth OPP

Yes

-
bluetooth LE

-

Yes
bluetooth HDP

Yes

-
bluetooth MAP

Yes

-
bluetooth PBAP

PBAP/PAB

-
bluetooth GAP

Yes

-
Bluetooth EDR

Yes

-
bluetooth HSP

Yes

-
Bluetooth AptX

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

Yes

-
BDS

-

Yes