Xiaomi Redmi K40S vs ZTE nubia Red Magic 6s

Xiaomi Redmi K40S

ZTE nubia Red Magic 6s

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

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

LTE
5G network

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

5G band 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

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 5), plastic back

Glass front, glass back, aluminum frame
SIM

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

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

163.2 mm

169.9 mm
Width

76 mm

77.2 mm
Thickness

7.7 mm

9.5 mm
Weight

195 g

215 g
Splash resistant

Yes

-
Build features

-

Pressure sensitive zones (450Hz touch-sensing), sliding trigger on the back, built-in cooling fan, RGB light
Colors

Black, Blue, Gray, Green

Black, Transparent

Display
Display type

AMOLED

AMOLED
Physical size

6.67 inches

6.8 inches
Resolution

1080 x 2400 pixels

1080 x 2400 pixels
Pixel density

395 ppi

387 ppi
Display colors

16777216

1073741824
Protection

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

-
Display features

120Hz, HDR10+, 1300 nits (peak)

165Hz, 700 nits (typ)

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 3.2 GHz Kryo 585

Single-core 3.0 GHz Kryo 680
CPU(second)

Triple-core 2.42 GHz Kryo 585

Triple-core 2.42 GHz Kryo 680
CPU(third)

Quad-core 1.80 GHz Kryo 585

Quad-core 1.8 GHz Kryo 680
Chipset

Qualcomm SM8250-AC Snapdragon 870 5G

Qualcomm SM8350 Snapdragon 888+ 5G
GPU

Adreno 650

Adreno 660
Memory RAM

6, 8, 12 GB

12, 16 GB
Internal storage

128, 256 GB

128, 256 GB
Memory card

No

No
Storage

UFS 3.1

UFS 3.1

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 48 MP, f/1.8 , 1/2" , 0.8 µm

(wide) , 64 MP, f/1.8 , 1/1.97" , 0.7 µm, 26 mm
(ultrawide) , 8 MP, 119˚

(ultrawide) , 8 MP, 120˚ , f/2.0 , 13 mm, 1/4.0" , 1.12 µm
(macro) , 2 MP, f/2.4

(macro) , 2 MP
Primary camera resolution

8000 x 6000 pixels

9248 x 6920 pixels
Primary camera video

4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS

8K@30fps, 4K@30/60fps, 1080p@30/60/120/240fps
Primary camera flash

dual-LED dual-tone flash

LED flash
Camera features

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

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

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

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 3.0
USB connector

-

Accessory connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.2

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

-
NavIC

Yes

-

Features
Sensors

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

Accelerometer, compass, fingerprint, gyroscope, heart rate, proximity