Xiaomi Redmi K40 Pro vs vivo V21s

Xiaomi Redmi K40 Pro

vivo V21s

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

GSM 850, 900, 1800, 1900
3G network

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

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 66
5G network

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

5G band 1, 28, 40, 41, 77, 78, 79 SA/NSA
HSDPA speed

42.2 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, 1174 Mbps download, 210 Mbps upload

LTE-A, Cat12, 1200 Mbps download, 150 Mbps upload
GPRS

Yes

Yes
EDGE

Class 8

Yes

Design
Build

Glass, Metal

Plastic
SIM

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

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

163.7 mm

159.7 mm
Width

76.4 mm

73.9 mm
Thickness

7.8 mm

7.3 mm
Weight

196 g

176 / 177 g
Splash resistant

IP53

-
Dust proof

IP53

-
Colors

Aurora, Black, White

Blue, Gradient

Display
Display type

Super AMOLED

AMOLED
Physical size

6.67 inches

6.44 inches
Resolution

1080 x 2400 pixels

1080 x 2404 pixels
Pixel density

395 ppi

409 ppi
Display colors

16777216

16777216
Protection

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

Scratch resistant
Display features

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

-

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 64 MP, f/1.9 , 26 mm, 1/1.7" , 0.8 µm

(wide) , 64 MP, f/1.8 , 26 mm, 0.7 µm
(ultrawide) , 8 MP, f/2.2 , 119˚

(ultrawide) , 8 MP, f/2.2 , 120˚ , 16 mm, 1/4.0" , 1.12 µm
(macro) , 5 MP, 50 mm, 1/5.0" , 1.12 µm

(macro) , 2 MP, f/2.4
Primary camera resolution

9280 x 6920 pixels

9280 x 6920 pixels
Primary camera video

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

4K@30fps, 1080p@30/60fps
Primary camera flash

LED flash

LED flash
Camera features

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

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, macro-mode, phase detection autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 20 MP, 1/3.4" , 0.8 µm

(wide) , 44 MP, f/2.0 , 150 mm
Selfie camera resolution

5184 x 3880 pixels

-
Selfie camera features

Face unlock, HDR

Autofocus, face unlock, HDR, optical image stabilization
Selfie camera video

1080p@30fps, 720p@120fps

4K@30fps, 1080p@30fps

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
WLAN WiFi Hotspot

Yes

-
WLAN WiFi Direct

Yes

-
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.2

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

Yes

-
NFC

Yes

Yes
GPS

Yes, with dual-band A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

-
NavIC

Yes

-

Features
Sensors

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

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4520 mAh

4000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Quick Charge 3.0 (100% in 52 min)

Yes, 33W (63% in 30 min)

Xiaomi Redmi K40 Pro comparisons