Xiaomi Redmi K20 Pro Premium vs Xiaomi Redmi S2 (Redmi Y2)

Xiaomi Redmi K20 Pro Premium

Xiaomi Redmi S2 (Redmi Y2)

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA - China
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 1900, 2100
4G network

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

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300) - Global; LTE frequency band 1(2100), 3(1800), 5(850), 40(2300), 41(2500) - India; LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - China
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
HSPA speed

-

HSPA
EV-DO speed

3.1 Mbps download, 1.8 Mbps upload

-
LTE speed

LTE-A

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

Super AMOLED capacitive touchscreen

IPS LCD capacitive touchscreen
Physical size

6.39 inches

5.99 inches
Resolution

1080 x 2340 pixels

720 x 1440 pixels
Pixel density

403 ppi

269 ppi
Display colors

16777216

16777216
Protection

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

Triple

Dual
Main camera

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

12 MP, f/2.2 , 1.25 µm
8 MP, f/2.4 , 53 mm, 1/4" , 1.12 µm

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

8000 x 6000 pixels

4000 x 3000 pixels
Primary camera video

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

1080p@30fps
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

LED flash

LED flash
Electronic image stabilization

-

EIS (gyro)
Camera features

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

Geo-tagging, HDR, face detection, panorama, touch focus

Connectivity
WLAN

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

Wi-Fi 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

-
USB

Type-C 1.0 reversible connector

microUSB 2.0
USB On-The-Go

Yes

-
Bluetooth

v5.0

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

-
Infrared

-

Yes
NFC

Yes

-
GPS

Yes, with dual-band A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
Beidou

Yes

-
BDS

-

Yes

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging IM

-

IM
Messaging Push Email

-

Push Email
Sensors

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

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