Xiaomi 12S vs Xiaomi Redmi 9 (India)

Network
2G network

GSM 850, 900, 1800, 1900;CDMA 800

GSM 850, 900, 1800, 1900; TD-CDMA
3G network

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

HSDPA 850, 900, 1700(AWS), 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, 2, 3, 4, 5, 7, 8, 20, 38, 40
5G network

5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 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 2.4 Mbps download, 0.15 Mbps upload

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A

LTE, Cat12, 603 Mbps download, 102 Mbps upload
GPRS

Class 33

Yes
EDGE

Class 33

Yes

Design
Build

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

Plastic
SIM

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

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

152.7 mm

164.9 mm
Width

69.9 mm

77.1 mm
Thickness

8.2/8.7 mm

9 mm
Weight

179/182 g

196 g
Splash resistant

-

Yes
Colors

Gray, Green, Purple, White

Black, Blue, Orange

Display
Display type

AMOLED

IPS LCD capacitive touchscreen
Physical size

6.28 inches

6.53 inches
Resolution

1080 x 2400 pixels

720 x 1600 pixels
Pixel density

419 ppi

269 ppi
Display colors

1073741824

16777216
Protection

Scratch resistant, Corning Gorilla Glass Victus

Scratch resistant, 2.5D curved glass screen
Display features

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

400 nits typ. brightness

Main camera
Camera type

Triple

Dual
Main camera

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

13 MP, f/2.2
(ultrawide) , 13 MP, f/2.4 , 123˚ , 15 mm, 1/3.06" , 1.22 µm

2 MP, f/2.4
(telephoto macro) , 5 MP, f/2.4 , 50 mm
Primary camera resolution

8190 x 6144 pixels

4160 x 3120 pixels
Primary camera video

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

1080p@30fps
Primary camera optics

Leica lens

-
Primary camera flash

dual-LED dual-tone flash

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, digital zoom, digital 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

-
Selfie camera

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

8 MP, f/2.2 , 1.12 µm
Selfie camera resolution

-

3264 x 2448 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 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

-
USB

Type-C 2.0

microUSB 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

Yes

-
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
Beidou

-

Yes
BDS

Yes

-
QZSS

Yes

-
NavIC

Yes

-