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General

NameAllview V3 ViperOppo K7 5G -
ModelV3 ViperK7 5G -
PriceTK. 21,990Tk 24,000-

Network

Network TypeGSM / HSPA / LTEGSM / CDMA / HSPA / EVDO / LTE / 5G-
Network 2GGSM: 850 / 900 / 1800 / 1900 MHzGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA-
Network 3GUMTS : 850 / 900 / 2100 MHzHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO-
Network 4GLTE : 800 / 850 / 900 / 1800 / 2100 / 2600 MHz, LTE-TDD : 1900 MHz (Band 39), LTE-TDD : 2500 MHz (Band 41) LTE-TDD : 2300 MHz (Band 40) LTE-TDD : 2600 MHz (Band 38)LTE-
Network 5G-SA/NSA-
Network Speed-HSPA 42.2/5.76 Mbps, LTE-A, 5G (1.9 Gbps DL)-
Network GPRS-Yes-
Network EDGE-Yes-

Display

Display TypeIPS LCD capacitive touchscreen, 16M colorsSuper AMOLED capacitive touchscreen, 16M colors-
Display Size5.5 inches, 78.1 cm2 (~73.3% screen-to-body ratio)6.4 inches, 98.9 cm2 (~83.0% screen-to-body ratio)-
Display Resolution720 x 1440 pixels, 18:9 ratio (~293 ppi density)1080 x 2400 pixels, 20:9 ratio (~411 ppi density)-
Display Multitouch-Yes-
Display Density-430 nits typ. brightness (advertised)-
Display Screen Protection-Corning Gorilla Glass 5-

Camera

Primary Camera13MP, AF48MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF
8MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm
2MP B/W, f/2.4, 1/5.0", 1.75µm
2MP, f/2.4, (depth)
-
Secondary Camera13Megapixels with LED Flash32MP, f/2.0, 26mm (wide), 1/2.8-
Camera FeaturesAutofocus Continuous shooting Digital image stabilization Digital zoom Dual camera Exposure compensation Face detection Geotagging HDR ISO settings Manual focus Optical Stabilization (OIS) Optical zoom Panorama Scene mode Self-timer Touch focus White balance settingsLED flash, HDR, panorama HDR-
Video[email protected][email protected], [email protected]/60fps; gyro-EIS [email protected]-

Body

Body Dimensions148.3 x 71.8 x 8.1 mm (5.84 x 2.83 x 0.32 in)160.3 x 74.3 x 8 mm (6.31 x 2.93 x 0.31 in)-
Body Weight143.6 g (5.08 oz)180 g (6.35 oz)-
Body Build-Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame-
Body Color-Moonlight Black, Pearl White, Blue, Blue/Red-

Launch

Launch AnnouncementJanuary, 20182020, August 04-
Launch DateReleased February, 2018Released 2020, August 11-

Platform

CPUQuad-core 1.3 GHz Cortex-A53Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)-
GPUMali-T720MP2Adreno 620-
ChipsetMediatek MT6737 (28 nm)Qualcomm SM765 Snapdragon 765G-
Operating System-Android 10, ColorOS 7-

Memory

Memory Internal32GB128GB, 256GB UFS 2.1-
Memory ExternalSupport up to 256GB (Uses SIM 2 Slot)No-
Ram3GB8GB-

Battery

Battery TypeNon-removable Li-PoNon-removable Li-Po-
Battery Capacity3000 mAh 4025 mAh-
Charging-Fast charging 30W, 50% in 20 min (advertised) VOOC 4.0-

Multimedia

Fm RadioYesNo-

Sound

AudioVibration, MP3 ringtones, WAVVibration, MP3, WAV ringtones-
LoudspeakerYesYes-
3.5mm JackYesYes-

Connectivity

WiFiWi-Fi 802.11 b/g/n, hotspot, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot-
Bluetooth4.2, A2DP, LE5.0, A2DP, LE-
USBmicroUSB 2.02.0, Type-C 1.0 reversible connector, USB On-The-Go-
GPSYes, with A-GPSYes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS-

Features

SensorsFingerprint - rear-mounted, accelerometer, proximity, compassFingerprint -under display, optical, accelerometer, gyro, proximity, compass-
MessagingSMS, MMS, Email, Push Mail, IM, HangoutsSMS(threaded view), MMS, Email, Push Email, IM-
BrowserHTML5HTML5-
Java-No-

Other

Other FeaturesAllview V3 Viper Handset 3,000 mAh Battery, Power Adapter Micro USB Data Cable, Screen Protector Headset Sim Removal Tool Protection, Cover Flyer Bitdefender Warranty Card User ManualColor: Moonlight Black, Pearl White, Blue, Blue/Red-
Made By-China-