Xiaomi Redmi K40 vs vivo X90 Pro

Xiaomi Redmi K40

vivo X90 Pro

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

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

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

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
4G network

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

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

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

5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78, 79 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A, 1174 Mbps download, 210 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Class 8

Yes

Display
Display type

Super AMOLED

AMOLED
Physical size

6.67 inches

6.78 inches
Resolution

1080 x 2400 pixels

1260 x 2800 pixels
Pixel density

395 ppi

453 ppi
Display colors

16777216

1073741824
Protection

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

Scratch resistant, 3D curved glass screen
Display features

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

120Hz, HDR10+, 1300 nits (peak)

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 48 MP, f/1.8 , 26 mm, 1/2" , 0.8 µm

(wide) , 50.3 MP, f/1.8 , 1.6 µm, 20x digital zoom
(ultrawide) , 8 MP, f/2.2 , 119˚

(telephoto) , 50 MP, f/1.6 , 50 mm, 1/2.4" , 0.7 µm, 2x optical zoom
(macro) , 5 MP, 50 mm, 1/5.0" , 1.12 µm

(ultrawide) , 12 MP, 108˚ , f/2.0
Primary camera resolution

8000 x 6000 pixels

8190 x 6120 pixels
Primary camera video

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

8K, 4K@30/60fps, 1080p@30/60fps, gyro-EIS
Primary camera optics

-

Zeiss optics
Primary camera flash

LED flash

dual-LED dual-tone 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, optical 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, laser autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 20 MP, 1/3.4" , 0.8 µm

(wide) , 32 MP, 1/2.8" , 0.8 µm, f/2.5 , 24 mm
Selfie camera resolution

5184 x 3880 pixels

6528 x 4896 pixels
Selfie camera features

Face unlock, HDR

Face unlock
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, 802.11ax
WLAN WiFi Hotspot

Yes

-
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 3.2
USB On-The-Go

Yes

Yes
Bluetooth

v5.1

v5.3
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
Infrared

Yes

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

Yes
NavIC

Yes

Yes

Features
Sensors

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

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

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4520 mAh

4870 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Quick Charge 3.0 (100% in 52 min)

Yes, 120W (50% in 8 min)
Reverse charging

-

Yes
Fast wireless charging

-

Yes, 50W
Talk time 4G

-

16.2 h

Xiaomi Redmi K40 comparisons