Xiaomi Redmi K40S vs ZTE S30 Pro

Xiaomi Redmi K40S

ZTE S30 Pro

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

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

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

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

5G band 1, 3, 28, 41, 78 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 (CA), 1200 Mbps download, 210 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 5), plastic back

Aluminium alloy, glass
SIM

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

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

163.2 mm

163.5 mm
Width

76 mm

75.2 mm
Thickness

7.7 mm

7.8 mm
Weight

195 g

183 g
Splash resistant

Yes

-
Colors

Black, Blue, Gray, Green

Black, Pink/Blue

Display
Display type

AMOLED

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

16777216
Protection

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

-
Display features

120Hz, HDR10+, 1300 nits (peak)

144Hz, HDR10+, 800 nits

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 3.2 GHz Kryo 585

Single-core 2.8 GHz Kryo 475 Prime
CPU(second)

Triple-core 2.42 GHz Kryo 585

Single-core 2.4 GHz Kryo 475 Gold
CPU(third)

Quad-core 1.80 GHz Kryo 585

Hexa-core 1.8 GHz Kryo 475 Silver
Chipset

Qualcomm SM8250-AC Snapdragon 870 5G

Qualcomm SDM768 Snapdragon 768G 5G
GPU

Adreno 650

Adreno 620
Memory RAM

6, 8, 12 GB

8 GB
Internal storage

128, 256 GB

256 GB
Memory card

No

microSD, microSDHC, microSDXC
Memory card max

-

2 TB
Storage

UFS 3.1

-

Main camera
Camera type

Triple

Quad
Main camera

(wide) , 48 MP, f/1.8 , 1/2" , 0.8 µm

(wide) , 64 MP, f/1.8 , 1/1.72" , 0.8 µm, 26 mm
(ultrawide) , 8 MP, 119˚

(ultrawide) , 8 MP, 120˚ , f/2.4 , 16 mm
(macro) , 2 MP, f/2.4

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

8000 x 6000 pixels

9280 x 6920 pixels
Primary camera video

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

4K@30/60fps, 1080p@30fps, gyro-EIS
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, 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 2.0
USB On-The-Go

Yes

-
Bluetooth

v5.2

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-
GALILEO

Yes

-
BDS

Yes

Yes
QZSS

Yes

-
NavIC

Yes

-