Xiaomi Redmi K40 Gaming vs vivo X90s

Xiaomi Redmi K40 Gaming

vivo X90s

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

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

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

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

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 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, 41, 77, 88 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5)

Glass front, glass back or eco leather back
SIM

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

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

161.9 mm

164.1 mm
Width

76.9 mm

74.4 mm
Thickness

8.3 mm

8.5/8.9 mm
Weight

205 g

197.5/201.5/202.2/203.5 g
Waterproof

IP53

IP64
Dust proof

IP53

IP64
Build features

Physical pop-up gaming triggers

-
Colors

Black, Gray, Silver, Yellow

Black, Green, Red, White

Display
Display type

OLED

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

1073741824

1073741824
Protection

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5

Scratch resistant, 3D curved glass screen
Display features

120Hz, HDR10+, 500 nits (typ)

120Hz, HDR10+, 1300 nits (peak)

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 64 MP, f/1.7 , 26 mm, 1/2" , 0.7 µm

(wide) , 50 MP, f/1.8 , 1/1.49" , 1.0 µm, 20x digital zoom
(ultrawide) , 8 MP, f/2.2 , 120˚

(telephoto) , 12 MP, f/2.0 , 50 mm, 1/2.93" , 1.22 µm, 2x optical zoom
(macro) , 2 MP, f/2.4

(ultrawide) , 12 MP, f/2.0 , 16 mm, 1/2.93" , 1.22 µm
Primary camera resolution

9280 x 6920 pixels

8190 x 6120 pixels
Primary camera video

4K@30fps, 1080p@30/60/120fps, 720p@960fps, HDR

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

-

Zeiss optics
Primary camera flash

dual-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

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 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.2

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

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

Battery
Battery type

Li-Po

Li-Po
Battery capacity

5065 mAh

4810 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Quick Charge 3+ (100% in 42 min)

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

-

Yes

Xiaomi Redmi K40 Gaming comparisons