Cat B35 vs Xiaomi Redmi K20

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, 1900, 2100, TD-SCDMA 1900, 2000
4G network

LTE frequency band 1(2100), 3(1800), 7(2600), 8(900), 20(800)

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

-

42 Mbps
HSUPA speed

-

5.76 Mbps
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

-
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)

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

138 mm

156.7 mm
Width

60 mm

74.3 mm
Thickness

14 mm

8.8 mm
Weight

130 g

191 g
Waterproof

IP68, 1.2m and 35 minutes

-
Dust proof

Yes, IP68

-
Resistance drop

1.8m

-
MIL-STD-810G

Yes

-
Colors

Black

Black, Blue, Red

Display
Display type

TFT

Super AMOLED capacitive touchscreen
Physical size

2.4 inches

6.39 inches
Resolution

240 x 320 pixels

1080 x 2340 pixels
Pixel density

167 ppi

403 ppi
Display colors

-

16777216
Protection

Scratch-proof glass

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

-

Yes
Display features

-

HDR 10, Always-On display

Main camera
Camera type

-

Triple
Main camera

2 MP

48 MP, f/1.8 , 26 mm, 1/2" , 0.8 µm, 2x optical zoom
8 MP, f/2.4 , 53 mm, 1/4" , 1.12 µm
13 MP, f/2.4 , 12 mm, 1/3" , 0.8 µm
Primary camera resolution

-

8000 x 6000 pixels
Primary camera video

480p@30fps

2160p@30fps, 1080p@960fps
Primary camera flash

LED flash

dual LED flash
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, phase detection

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
WLAN WiFi Direct

-

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C reversible connector
USB On-The-Go

-

Yes
Bluetooth

v4.1

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
Beidou

-

Yes

Features
Sensors

Accelerometer

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