Xiaomi 12X vs vivo V15

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(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 40(2300), 41(2500)
5G network

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

-
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
LTE speed

LTE-A

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

OLED

IPS LCD capacitive touchscreen
Physical size

6.28 inches

6.53 inches
Resolution

1080 x 2400 pixels

1080 x 2340 pixels
Pixel density

419 ppi

395 ppi
Display colors

1073741824

16777216
Protection

Scratch resistant, Corning Gorilla Glass Victus

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

-

Yes
Display features

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

-

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 50 MP, f/1.9 , 26 mm, 1/1.56" , 1.0 µm

12 MP, f/1.8
(ultrawide) , 13 MP, f/2.4 , 123˚ , 12 mm, 1/3.06" , 1.12 µm

8 MP, f/2.2 , 13 mm
(telephoto macro) , 5 MP, 50 mm

5 MP, f/2.4
Primary camera resolution

8190 x 6144 pixels

4032 x 3024 pixels
Primary camera video

8K@24fps, 4K@30/60fps, 1080p@30/120/240/960fps, gyro-EIS

2160p@30fps, 1080p@30fps
Primary camera flash

dual-LED dual-tone flash

LED flash
Primary camera phase detection autofocus

-

phase detection autofocus
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, HDR10 video recording

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode

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, 802.11ac
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

v4.2
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

-
BDS

Yes

Yes
QZSS

Yes

-
NavIC

Yes

-