Xiaomi 12S Pro vs vivo Y51s

Network
2G network

GSM 850, 900, 1800, 1900;CDMA 800

GSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMA
3G network

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

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26, 34, 38, 39, 40, 41, 42

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

5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78, 79 SA/NSA

5G band 1, 41, 78; SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A

LTE Cat 4, 150.8 Mbps download, 51 Mbps upload
5G speed

-

3.6+ 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

Plastic
SIM

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

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

163.6 mm

162 mm
Width

74.6 mm

76.6 mm
Thickness

8.2/8.7 mm

8.5 mm
Weight

203/204 g

190 g
Colors

Gray, Green, Purple, White

Black, Blue, White

Display
Display type

LTPO AMOLED

IPS LCD capacitive touchscreen
Physical size

6.73 inches

6.53 inches
Resolution

1440 x 3200 pixels

1080 x 2340 pixels
Pixel density

521 ppi

395 ppi
Display colors

1073741824

16777216
Protection

Scratch resistant, Corning Gorilla Glass Victus

-
Display features

120Hz, Dolby Vision, HDR10+, 1000 nits (HBM), 1500 nits (peak)

-

Main camera
Camera type

Triple

Triple
Main camera

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

48 MP, f/1.8 , 25 mm, 1/2.0" , 0.8 µm
(telephoto) , 50 MP, f/1.9 , 50 mm, 2x optical zoom

2 MP, f/2.4
115˚ , (ultrawide) , 50 MP, f/2.2

2 MP, f/2.4
Primary camera resolution

8190 x 6144 pixels

8000 x 6000 pixels
Primary camera video

8K@24fps (HDR), 4K@30/60fps (HDR10+), 1080p@30/120/240/960fps, 720p@1920fps, gyro-EIS

4K@30fps, 1080p@30fps; gyro-EIS
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, phase detection autofocus, super night mode 2.0, cyberfocus

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, RAW

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

microUSB 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
Infrared

Yes

-
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

-
NavIC

Yes

-