Xiaomi 12S vs vivo Y51 IN

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, 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, 8, 40
5G network

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

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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

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A

LTE-A, Cat4, 150 Mbps download, 50 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

-
SIM

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

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

152.7 mm

163.9 mm
Width

69.9 mm

75.3 mm
Thickness

8.2/8.7 mm

8.4 mm
Weight

179/182 g

188 g
Colors

Gray, Green, Purple, White

Crystal Symphony, Titanium Sapphire

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 3.19 GHz Cortex-X2

Quad-core 2.0 GHz Kryo 260 Gold
CPU(second)

Triple-core 2.75 GHz Cortex-A710

quad-core 1.8 GHz Kryo 260 Silver
CPU(third)

Quad-core 1.8 GHz Cortex-A510
Chipset

Qualcomm SM8475 Snapdragon 8+ Gen 1

Qualcomm SDM665 Snapdragon 665
GPU

Adreno 730

Adreno 610
Memory RAM

8, 12 GB

8 GB
Internal storage

128, 256, 512 GB

128 GB
Memory card

No

microSD, microSDHC, microSDXC
Memory card max

-

1 TB
Storage

UFS 3.1

-

Main camera
Camera type

Triple

Triple
Main camera

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

(wide) , 48 MP, f/1.8 , 1/2.0" , 0.8 µm
(ultrawide) , 13 MP, f/2.4 , 123˚ , 15 mm, 1/3.06" , 1.22 µm

(ultrawide) , 8 MP, f/2.2 , 120˚ , 1/4.0" , 1.12 µm
(telephoto macro) , 5 MP, f/2.4 , 50 mm

(macro) , 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

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

HDR, Panorama

Selfie camera
Selfie camera type

Single

Single
Selfie camera

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

(wide) , 16 MP, f/2.0 , 1.0 µm, 1/3.06"
Selfie camera resolution

-

4640 x 3456 pixels
Selfie camera features

Face unlock, HDR

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
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 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

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

-
NavIC

Yes

-

Features
Sensors

Accelerometer, color spectrum, compass, fingerprint, gyroscope

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4500 mAh

5000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Quick Charge 4+, 67W (100% in 42 min)

Quick Charge (70% in 67 min)
Wireless reverse charging

Yes, 10W

-
Fast wireless charging

Yes, 50W (100% in 57 min)

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