Allview V4 Viper Pro vs Lenovo Vibe K4 Note Comparison

Class	Smartphone	Smartphone
Status	Available	Discontinued
SIM Type	Dual Nano SIM	Dual SIM (GSM+GSM)
Network	2G: 850/900/1800/1900MHz; SIM1 and SIM2 3G: UMTS 900/2100MHz; SIM1 or SIM2 4G: FDD 800/1800/2100/2600MHz TDD 2600MHz; SIM1 or SIM2	2G Network: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 3G Network: HSDPA 850 / 900 / 1900 / 2100 4G Network: LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - A7010 LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300), 41(2500) - A7010 a48
Operating System	Android™ 9, Pie	Android v5.1 (Lollipop) with TheaterMax Technology
Processor	Cortex®-A53 quad-core 1.27 GHz	1.3 GHz 64-bit Octa-core Mediatek MT6753 Processor
Browser	--	HTML5
Form Factor	--	Candy bar
In The Box	Phone Power supply Micro USB cable SIM pin Manual Warranty certificates Silicone cover	Handset with Built-in-Battery, Charger, USB Cable, User Manual, Warranty Card

Dimension (HxWxD)	171 x 82 x 8.8 mm	153.6 x 76.5 x 9.2 mm
Weight	191.6 g	158 g

Size	6.8 Inch	5.5 inches (~401 ppi )
Technology	IPS LCD	IPS LCD Capacitive Touchscreen
Resolution	640x1352px	1080 x 1920 pixels
Colors	--	16 M
Other Features	2.5D multitouch capacitive touchscreen 18:9 Aspect Ratio	1000:1 Contrast Ratio, Corning Gorilla Glass 3, 178⁰ viewing angle

Internal Memory	32GB	16 GB
External Memory	Up to 128GB in single SIM mode	Yes, Up to 128 GB via microSD
RAM	2GB	3 GB

Type	Li-Pol 3500mAh	Non-removable Li-Po 3300 mAh battery
Talk Time	Until 1400 min	Up to 23 h (2G) / Up to 22 h (3G)
Stand-by Time	Up to 350h	Up to 265 h (3G)

Primary Camera(Rear)	13MP AF+VGA	13 MP with dual LED flash
Secondary Camera(Front)	8MP	5 MP
Resolution	--	1920x1080
Digital/Optical Zoom	--	Digital Zoom
Video	FULL HD 1080p	Yes, 1080p
Features	Touch focus Bokeh Face beauty Rear LED flash	Auto - ISO, Auto - White balance, Auto Focus mode, face recognition, AF Phase Detection, Auto Flash, Continuos Shooting, Exposure compensation, High dynamic range (HDR), real-time filters, 5 Selfie Trigger, Auto Beautification

GPRS	Yes Class 10	Yes
EDGE	Yes Class 10	Yes
3G	--	Yes
4G	Cat 4 DL Cat 4 UP	Yes
Bluetooth	Class 4.0 BLE	v4.0, A2DP, LE
USB	2.0 micro USB	microUSB v2.0
Wi-Fi	802.11 /b/g/n	Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
GPS	GPS, AGPS, Glonass	Yes, with A-GPS

Music Player	--	Yes, Supports MP3, WAV, eAAC+, FLAC player
MP3 Ringtone	--	Yes
Poly Ringtone	--	Yes
LoudSpeaker	Yes	Yes
Video Player	FULL HD 1080p video formats	Yes, Supports MP4, H.264 player
Video recording	--	Yes, 1080p @ 30fps

SMS	--	Yes
MMS	--	Yes
Email	Yes	Yes
Push mail	--	Yes
Instant Messaging	--	Yes

Java	--	No
Sensors	Accelerometer Proximity sensor Light sensor Fingerprint sensor	Fingerprint, accelerometer, proximity, compass
FM Radio	Yes	Yes
Unique Features	--	TheaterMax Technology Finger Print Reader + Finger Print Gestures (Take Photo, Recent Apps, Back Button) Fast Charger 2.0 Triple MIC Advanced Noise Cancellation System
Additional Features	Language: Romanian, English, German, Spanish, Hungarian, French, Dutch, Russian, Italian GPU: PowerVR Rogue GE8100 Alert type: Vibration, ringtone Charger type: 5V/2A 3.5mm jack Standard TRRS: CTIA Recommended headphone impedance: 32 Ω Internet: Tethering via Wifi Tethering via USB Bluetooth tethering	Dolby Atmos Surround Sound over speakers, WM8281 + 3MIC + Dual Stereo Speaker Secure Zone Shareit Knock to Wake Camera trigger shortcut Micro Screen Smart Scene

Colors

Dark Grey

Black