TCL 20 SE vs Xiaomi Redmi K30

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1900, 2100 - EMEA, SEA, APAC; HSDPA 850, 900, 1700(AWS), 1900, 2100 - LATAM

HSDPA 850, 900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - EMEA, SEA, APAC; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 26, 28, 66 - LATAM

LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

42.2 Mbps

42 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A, 151 Mbps download, 51 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

-

Aluminium alloy, glass
SIM

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

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

172.1 mm

165.3 mm
Width

77.1 mm

76.6 mm
Thickness

9.1 mm

8.8 mm
Weight

206 g

208 g
Colors

Green, Black

Blue, Purple, Red

Display
Display type

IPS LCD

IPS LCD capacitive touchscreen
Physical size

6.82 inches

6.67 inches
Resolution

720 x 1640 pixels

1080 x 2400 pixels
Pixel density

263 ppi

395 ppi
Display colors

16777216

16777216
Protection

-

2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 5, Oleophobic coating
Multitouch

-

Yes
Display features

-

HDR10, 120Hz sampling rate

Main camera
Camera type

Quad

Quad
Main camera

(wide) , 16 MP, f/1.8 , 77˚ , 27 mm, 1/2.0" , 1.12 µm

64 MP, f/1.9 , 26 mm, 1/1.7" , 0.8 µm
(ultrawide) , 5 MP, f/2.2 , 115˚ , 14 mm, 1/5.0" , 1.12 µm

8 MP, f/2.2 , 13 mm, 1/4" , 1.12 µm
(depth) , 2 MP, f/2.4

2 MP, f/2.4 , 1/5" , 1.75 µm
(macro) , 2 MP, f/2.4

2 MP, f/2.4 , 1/5" , 1.75 µm
Primary camera resolution

-

9248 x 6944 pixels
Primary camera video

1080p@30fps

2160p@30fps, 1080p@30/120fps, 720p@960fps
Primary camera flash

dual-LED flash

dual LED flash
Camera features

HDR, Panorama

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, phase detection autofocus

Selfie camera
Selfie camera type

Single

Dual
Selfie camera

(wide) , 8 MP, f/2.0 , 26 mm, 1/4.0" , 1.12 µm

20 MP, f/2.2 , 27 mm, 1/3.4" , 0.8 µm
2 MP, f/2.4 , 1/5" , 1.75 µm
Selfie camera resolution

-

5963 x 3354 pixels
Selfie camera video

1080p@30fps

1080p@30fps

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
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

Type-C 2.0

Type-C reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX

-
Infrared

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

-

Yes
BDS

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, proximity

Accelerometer, barometer, compass, geomagnetic, gravity, gyroscope, pedometer, proximity, light, side-mounted fingerprint sensor