Xiaomi Redmi K30 5G vs ZTE nubia Z40S Pro

Xiaomi Redmi K30 5G

ZTE nubia Z40S Pro

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1900, 2100

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

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)

LTE frequency band 1, 3, 4, 5, 7, 8, 12, 17, 20, 34, 38, 39, 40, 41
5G network

5G band 41(2500), 78(3500); Sub6

5G band 1, 3, 5, 8, 28, 41, 78 SA/NSA
HSDPA speed

42 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 (CA)
5G speed

2+ Gbps download

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, glass

Glass front, aluminum frame, glass back
SIM

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

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

165.3 mm

161.3 mm
Width

76.6 mm

74 mm
Thickness

8.8 mm

8.1 mm
Weight

208 g

205 g
Colors

Blue, Purple, Red, White

Interstellar Black, Star Black, Silver

Display
Display type

IPS LCD capacitive touchscreen

AMOLED
Physical size

6.67 inches

6.67 inches
Resolution

1080 x 2400 pixels

1080 x 2400 pixels
Pixel density

395 ppi

395 ppi
Display colors

16777216

1073741824
Protection

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

-
Multitouch

Yes

-
Display features

HDR10, 120Hz sampling rate

144Hz, HDR10+, 1000 nits

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 2.4 GHz Kryo 475 Prime

Single-core 3.19 GHz Cortex-X2
CPU(second)

Single-core 2.2 GHz Kryo 475 Gold

Triple-core 2.75 GHz Cortex-A710
CPU(third)

Hexa-core 1.8 GHz Kryo 475 Silver

Quad-core 1.8 GHz Cortex-A510
Chipset

Qualcomm SDM765 Snapdragon 765G

Qualcomm SM8475 Snapdragon 8+ Gen 1
GPU

Adreno 620

Adreno 730
Memory RAM

6, 8 GB

8, 12, 18 GB
Internal storage

64, 128, 256 GB

128, 256, 512, 1024 GB
Memory card

microSD, microSDHC, microSDXC

No
Memory card max

256 GB

-
Storage

UFS 2.1

UFS 3.1

Main camera
Camera type

Quad

Triple
Main camera

64 MP, f/1.9 , 26 mm, 1/1.7" , 0.8 µm

64 MP, f/1.6 , 35 mm, 1/1.7" , (standard)
8 MP, f/2.2 , 13 mm, 1/4" , 1.12 µm

8 MP, f/3.4 , 125 mm, 1/4.0" , (periscope telephoto) , 5x optical zoom
2 MP, f/2.4 , 1/5" , 1.75 µm

50 MP, f/2.2 , 116˚ , (ultrawide) , 14 mm
2 MP, f/2.4 , 1/5" , 1.75 µm
Primary camera resolution

9248 x 6944 pixels

9280 x 6920 pixels
Primary camera video

2160p@30fps, 1080p@30/120fps, 720p@960fps

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

dual LED flash

dual-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 autofocus, 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, macro-mode, phase detection autofocus, laser autofocus

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac

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
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C reversible connector

Type-C 3.1
USB On-The-Go

Yes

Yes
Bluetooth

v5.1

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

Yes

-
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

Yes

-
BDS

-

Yes
QZSS

Yes

-

Features
Sensors

Accelerometer, barometer, compass, geomagnetic, gravity, gyroscope, pedometer, proximity, light, side-mounted fingerprint sensor

Accelerometer, compass, fingerprint, gyroscope, proximity