TCL 20B vs Xiaomi Civi 1S

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
4G network

LTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
5G network

-

5G band 1, 3, 5, 8, 28, 38, 41, 77, 78 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE, Cat4, 151 Mbps download, 51 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front, plastic frame, plastic back

Glass front (Gorilla Glass 5), glass back, aluminum frame
SIM

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

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

164.7 mm

158.3 mm
Width

74.7 mm

71.5 mm
Thickness

8 mm

7 mm
Weight

178 g

166 g
Colors

Gray, Violet

Black, Blue, Pink, Silver

Display
Display type

IPS LCD

OLED
Physical size

6.52 inches

6.55 inches
Resolution

720 x 1600 pixels

1080 x 2400 pixels
Pixel density

269 ppi

402 ppi
Display colors

16777216

1073741824
Protection

Scratch resistant, 2.5D curved glass screen

Scratch resistant, 3D curved glass screen, Corning Gorilla Glass 5
Display features

Vast display

Dolby Vision, HDR10+, 120Hz, 950 nits (peak)

Main camera
Camera type

Dual

Triple
Main camera

(wide) , 50 MP, f/1.85 , 79˚

(wide) , 64 MP, f/1.8 , 26 mm, 1/1.97" , 0.7 µm
(depth) , 2 MP, f/2.4

(ultrawide) , 8 MP, f/2.2 , 120˚ , 1/4.0" , 1.12 µm
(macro) , 2 MP, f/2.4
Primary camera resolution

8190 x 6144 pixels

-
Primary camera video

1080p@30fps

4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, night mode, AI scene detection 2.0

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

Selfie camera
Selfie camera type

Single

Single
Selfie camera

8 MP, f/2.0 , 78˚ , 1/4" , 1.12 µm

32 MP, f/2.0 , 0.8 µm, (wide) , 24 mm
Selfie camera resolution

3264 x 2448 pixels

-
Selfie camera features

-

Face unlock, face detection, HDR, autofocus, cyberfocus
Selfie camera video

1080p@30fps

1080p@30/60fps

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

-

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.0

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

-

Yes
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
QZSS

-

Yes
NavIC

-

Yes