UMIDIGI S3 Pro vs Xiaomi Redmi K20 Pro Premium

UMIDIGI S3 Pro

Xiaomi Redmi K20 Pro Premium

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700, 1900, 2100

HSDPA 850, 900, 1900, 2100
4G network

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 18(800), 39(1900); LTE-TDD 1900, 2000, 2300, 2500, 2600 MHz

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 40(2300), 41(2500)
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE, Cat7, 301 Mbps download, 102 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Metal, ceramic

Aluminium alloy, glass
SIM

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

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

-

156.7 mm
Width

-

74.3 mm
Thickness

-

8.8 mm
Weight

-

191 g
Colors

Black

Black, Blue, Red, Honey, White

Display
Display type

IPS capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

6.3 inches

6.39 inches
Resolution

1080 x 2340 pixels

1080 x 2340 pixels
Pixel density

409 ppi

403 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, LTPS(Low Temperature PolySilicon)

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

Yes

Yes
Display features

-

HDR10, DCI-P3, Always-on-display

Main camera
Camera type

Dual

Triple
Main camera

48 MP, f/1.7 , 1/2.0" , 0.8 µm

48 MP, f/1.8 , 1/2" , 0.8 µm, 26 mm, 2x optical zoom
12 MP

8 MP, f/2.4 , 53 mm, 1/4" , 1.12 µm
13 MP, f/2.4 , 12 mm, 1/3" , 1.12 µm
Primary camera resolution

8000 x 6000 pixels

8000 x 6000 pixels
Primary camera video

2160p@30fps

2160p@30/60fps, 1080p@30/120/240fps, 1080p@960fps
Primary camera flash

dual-LED flash

LED flash
Primary camera phase detection autofocus

phase detection autofocus

-
Camera features

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

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, RAW

Connectivity
WLAN

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

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

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 1.0 reversible connector

Type-C 1.0 reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v4.1

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth HID

Yes

-
bluetooth LE

-

Yes
Bluetooth AptX

-

aptX HD
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
Beidou

Yes

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, light, proximity

Accelerometer, barometer, compass, fingerprint, gyroscope, hall, proximity, step counter, step detector, in-display fingerprint sensor