Nokia XR21 vs Xiaomi Redmi K40 Pro+

Nokia XR21

Xiaomi Redmi K40 Pro+

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 43, 48, 66, 71

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42
5G network

5G band 1, 2, 3, 5, 7, 20, 25, 28, 40, 41, 66, 71, 77, 78, 79 SA/NSA

5G band 1, 3, 28, 41, 77, 78 SA/NSA/Sub6
HSDPA speed

45.4 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload

-
LTE speed

LTE-A, 750 Mbps download, 211 Mbps upload

LTE-A, 1174 Mbps download, 210 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Class 8

Design
Build

Glass front (Gorilla Glass Victus), plastic back, plastic frame

Glass, Metal
SIM

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

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

168 mm

163.7 mm
Width

78.6 mm

76.4 mm
Thickness

10.6 mm

7.8 mm
Weight

231 g

196 g
Waterproof

IP68/IP69K (1.5m and 60 mins)

-
Splash resistant

-

IP53
Dust proof

IP68/IP69K

IP53
MIL-STD-810H

Yes

-
Colors

Black, Green

Aurora, Black, White

Display
Display type

IPS LCD

Super AMOLED
Physical size

6.49 inches

6.67 inches
Resolution

1080 x 2400 pixels

1080 x 2400 pixels
Pixel density

406 ppi

395 ppi
Display colors

16777216

16777216
Protection

2D curved glass screen, Corning Gorilla Glass Victus

Scratch resistant, 3D curved glass screen, Corning Gorilla Glass 5
Display features

-

120Hz, HDR10+, 1300 nits (peak), sunscreen 3.0, night light screen

Main camera
Camera type

Dual

Triple
Main camera

(wide) , 64 MP, f/1.8 , 1/2"

(wide) , 108 MP, f/1.8 , 1/1.52" , 26 mm, 0.7 µm
(ultrawide) , 8 MP, f/2.2 , 1/4.0" , 1.12 µm

(ultrawide) , 8 MP, f/2.2 , 119˚
(macro) , 5 MP, 50 mm, 1/5.0" , 1.12 µm
Primary camera resolution

9280 x 6920 pixels

9280 x 6920 pixels
Primary camera video

4K@30fps, 1080p@30fps

8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+
Primary camera flash

dual-LED dual-tone flash

LED flash
Camera features

Autofocus, geotagging, panorama, HDR, touch focus, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, speedwarp

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
DxOMark photo

-

113
DxOMark zoom

-

42
DxOMark video

-

102
DxOMark camera score

-

108

Connectivity
WLAN

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

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.1

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX Adaptive

-
Infrared

-

Yes
NFC

Yes (market dependent)

Yes
GPS

Yes, with dual-band A-GPS

Yes, with dual-band A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes
NavIC

Yes

Yes

Features
Sensors

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity

Accelerometer, barometer, color spectrum, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4800 mAh

4520 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

USB Power Delivery 2.0, 33W

Quick Charge 3.0 (100% in 52 min)

Nokia XR21 comparisons