DEXP B450 vs Xiaomi Redmi K20

DEXP B450

Xiaomi Redmi K20

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900, CDMA 800
3G network

HSDPA 900, 2100

HSDPA 850, 900, 1700, 1900, 2100, TD-SCDMA 1900, 2000
4G network

-

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

21 Mbps

42 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Aluminium alloy, glass
SIM

Dual SIM (Micro-SIM, dual stand-by)

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

145.6 mm

156.7 mm
Width

72.1 mm

74.3 mm
Thickness

9 mm

8.8 mm
Weight

148 g

191 g
Colors

Black, Gold

Black, Blue, Red

Display
Display type

IPS

Super AMOLED capacitive touchscreen
Physical size

5 inches

6.39 inches
Resolution

480 x 854 pixels

1080 x 2340 pixels
Pixel density

196 ppi

403 ppi
Display colors

16777216

16777216
Protection

-

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

Yes

Yes
Display features

-

HDR 10, Always-On display

Main camera
Camera type

-

Triple
Main camera

5 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" , 1.12 µm
Primary camera resolution

2592 x 1944 pixels

8000 x 6000 pixels
Primary camera video

720p@30fps

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

LED

dual LED flash
Camera features

Continuous shooting, digital zoom, geotagging, panorama, HDR, 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, 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

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

v4.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
Beidou

-

Yes

Features
Sensors

Accelerometer

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