Nokia XR20 vs UMIDIGI A3S

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO

W-CDMA 850, 900, 1700, 1900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 30, 38, 40, 41, 48, 66, 71

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(850), 19(850), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500)
5G network

5G band 2, 5, 25, 38, 41, 48, 66, 77, 78 SA/NSA

-
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
EV-DO speed

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload

-
LTE speed

LTE-A, 800 Mbps download, 210 Mbps upload

LTE Cat 4, 150 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Metal, glass
SIM

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

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

171.6 mm

153.7 mm
Width

81.5 mm

72.9 mm
Thickness

10.6 mm

8.45 mm
Weight

248 g

197 g
Waterproof

IP68 (1.5m and 60 mins)

-
Dust proof

IP68

-
MIL-STD-810H

Yes

-
Colors

Blue, Gray

Green, Grey

Display
Display type

IPS LCD

IPS capacitive touchscreen
Physical size

6.67 inches

5.7 inches
Resolution

1080 x 2400 pixels

720 x 1440 pixels
Pixel density

395 ppi

282 ppi
Display colors

16777216

16777216
Protection

2D curved glass screen, Corning Gorilla Glass Victus

2.5D curved glass screen, Scratch resistant
Multitouch

-

Yes

Main camera
Camera type

Dual

Dual
Main camera

(wide) , 48 MP, f/1.8 , 1/2.25" , 0.8 µm

16 MP, f/2.0 , 0.26" , 1.132 µm
(ultrawide) , 13 MP, 123˚ , 1/3.0" , 1.12 µm

5 MP
Primary camera resolution

8000 x 6000 pixels

4608 x 3456 pixels
Primary camera video

1080p@30fps

1080p@30fps
Primary camera optics

Zeiss optics

-
Primary camera flash

dual-LED dual-tone flash

dual LED flash
Camera features

Autofocus, geotagging, panorama, HDR, touch focus, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, speedwarp

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, phase detection autofocus

Connectivity
WLAN

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

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
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 3.0

microUSB 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.1

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth HID

-

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX Adaptive

-
NFC

Yes

-
GPS

Yes, with dual-band A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

-

Yes
BDS

Yes

-
QZSS

Yes

-
NavIC

Yes

-