Lenovo K12 vs vivo NEX 3 5G

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 39, 40, 41

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 20(800), 26(850), 28(700), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
5G network

-

5G NSA; N41, N78
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

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

-
LTE speed

LTE-A, 150 Mbps download, 51 Mbps upload

LTE-A (5CA), Cat18, 1200 Mbps download, 150 Mbps upload
GPRS

Class 12

Yes
EDGE

Class 12

Yes

Design
Build

Plastic

Front/back glass, aluminum frame
SIM

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

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

165.2 mm

167.4 mm
Width

75.7 mm

76.1 mm
Thickness

9.2 mm

9.4 mm
Weight

200 g

218.5 g
Colors

Navy Blue, Gray

Black, Blue

Main camera
Camera type

Dual

Triple
Main camera

(wide) , 48 MP, f/1.7 , 26 mm, 1/2.0" , 0.8 µm

64 MP, f/1.8 , 1/1.7" , 0.8 µm
(depth) , 2 MP

13 MP, f/2.5 , 13 mm
13 MP, f/2.2
Primary camera resolution

8000 x 6000 pixels

-
Primary camera video

1080p@30/60fps

2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS
Primary camera flash

LED flash

LED flash
Camera features

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, phase detection autofocus, laser autofocus

Autofocus, continuous shooting, digital zoom, optical 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

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

-

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

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

-

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

No

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

-

Yes

Features
Sensors

Accelerometer, fingerprint, proximity

Accelerometer, compass, fingerprint, gravity, gyroscope, light, proximity, in-display fingerprint sensor