Xiaomi 12S vs Xiaomi Redmi K30i 5G

Network
2G network

GSM 850, 900, 1800, 1900;CDMA 800

GSM 850, 900, 1800, 1900
3G network

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

HSDPA 850, 900, 1900, 2100
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, 3, 5, 7, 8, 34, 38, 39, 40, 41
5G network

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

5G band 41, 78; Sub6
HSDPA speed

42.2 Mbps

42 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

EV-DO Rev.A 2.4 Mbps download, 0.15 Mbps upload

-
LTE speed

LTE-A

LTE-A
5G speed

-

2+ Gbps download
GPRS

Class 33

Yes
EDGE

Class 33

Yes

Design
Build

Glass front (Gorilla Glass Victus), glass back or eco leather back, aluminum frame

Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
SIM

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

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

152.7 mm

165.3 mm
Width

69.9 mm

76.6 mm
Thickness

8.2/8.7 mm

8.8 mm
Weight

179/182 g

208 g
Colors

Gray, Green, Purple, White

Blue, Purple, Red, White

Display
Display type

AMOLED

IPS LCD capacitive touchscreen
Physical size

6.28 inches

6.67 inches
Resolution

1080 x 2400 pixels

1080 x 2400 pixels
Pixel density

419 ppi

395 ppi
Display colors

1073741824

16777216
Protection

Scratch resistant, Corning Gorilla Glass Victus

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

120Hz, Dolby Vision, HDR10+, 1100 nits (peak)

HDR10, 120Hz refresh rate

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 3.19 GHz Cortex-X2

Single-core 2.4 GHz Kryo 475 Prime
CPU(second)

Triple-core 2.75 GHz Cortex-A710

Single-core 2.2 GHz Kryo 475 Gold
CPU(third)

Quad-core 1.8 GHz Cortex-A510

Hexa-core 1.8 GHz Kryo 475 Silver
Chipset

Qualcomm SM8475 Snapdragon 8+ Gen 1

Qualcomm SDM765 Snapdragon 765G
GPU

Adreno 730

Adreno 620
Memory RAM

8, 12 GB

6 GB
Internal storage

128, 256, 512 GB

128 GB
Memory card

No

microSD, microSDHC, microSDXC
Memory card max

-

256 GB
Storage

UFS 3.1

UFS 2.1

Main camera
Camera type

Triple

Quad
Main camera

(wide) , 50 MP, f/1.9 , 24 mm, 1/1.28" , 1.22 µm

48 MP, f/1.9 , 1/2.0" , 0.8 µm
(ultrawide) , 13 MP, f/2.4 , 123˚ , 15 mm, 1/3.06" , 1.22 µm

8 MP, f/2.2 , 1/4" , 1.12 µm
(telephoto macro) , 5 MP, f/2.4 , 50 mm

2 MP, f/2.4
2 MP, f/2.4
Primary camera resolution

8190 x 6144 pixels

8000 x 6000 pixels
Primary camera video

8K@24fps, 4K@30/60fps, 1080p@30/60fps, 720p@1920fps, gyro-EIS

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

Leica lens

-
Primary camera flash

dual-LED dual-tone flash

dual LED flash
Camera features

Autofocus, continuous autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, face unlock, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus, super night mode 2.0, cyberfocus

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

Selfie camera
Selfie camera type

Single

Dual
Selfie camera

(wide) , 32 MP, f/2.5 , 80˚ , 26 mm, 0.7 µm

20 MP, f/2.2 , 27 mm, 0.8 µm, 1/3.4"
2 MP, f/2.4 , 1/5" , 1.75 µm
Selfie camera resolution

-

5184 x 3800 pixels
Selfie camera features

Face unlock, HDR

-
Selfie camera video

1080p@30/60fps, 720p@120fps, HDR

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
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 1.0 reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.2

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

Yes

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

-
NavIC

Yes

-