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Allview Viper E vs Panasonic P91

Compare recorded specifications, size and practical differences.

Panasonic P91

Panasonic P91

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • WeightViper E: 38.5 g lighterViper E: 122.5 g · P91: 161 g
  • WidthViper E: 7.4 mm narrowerViper E: 65 mm · P91: 72.4 mm
  • Screen diagonalViper E: 0.5 in smaller diagonalViper E: 4.5 in · P91: 5 in
  • ChipsetMediatek MT6582 (28 nm) / Mediatek MT6737M (28 nm)Viper E: Mediatek MT6582 (28 nm) · P91: Mediatek MT6737M (28 nm)
  • DepthViper E: 2.3 mm thinnerViper E: 7.8 mm · P91: 10.1 mm
  • HeightViper E: 13.7 mm shorterViper E: 131 mm · P91: 144.7 mm

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

Front
Viper E: 131 × 65 mm 1 P91: 144.7 × 72.4 mm 2
Side
Viper E: 131 × 7.8 mm 1 P91: 144.7 × 10.1 mm 2
  1. 1. Viper E
    Height
    131 mm
    Width
    65 mm
    Depth
    7.8 mm
    Weight
    122.5 g
  2. 2. P91
    Height
    144.7 mm
    Width
    72.4 mm
    Depth
    10.1 mm
    Weight
    161 g

Specifications

Open a section for more detail. Scroll inside a table to keep phone names visible; on narrow screens, swipe sideways or use the arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

Everyday essentials
Everyday essentials
SpecificationViper EP91
Dimensions (HxWxD)
  • 131 Х 65 Х 7.8 mm
  • 144.7 Х 72.4 Х 10.1 mm
Weight
  • 122.5 g
  • 161 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.5" inch
  • 5" inch
Screen resolution
  • 480 x 854 px
  • 480 x 854 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 16 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 128 GB (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Removable Li-Ion
  • 2500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 5.0 (Lollipop)
  • Android 7.0 (Nougat)
Chipset
  • Mediatek MT6582 (28 nm)
  • Mediatek MT6737M (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationViper EP91
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 55.8 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 127.3 Х 65.5 Х 10 mm
  • 65.8%
PPI /points per inch/
  • 218 PPI
  • 196 PPI
Screen protection
  • Asahi Dragontrail Glass
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video
SpecificationViper EP91
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 8 MP
  • AF
Functions
  • Dual-LED flash
  • HDR
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 2 MP
  • 5 MP
Performance
Performance
SpecificationViper EP91
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 1.1 GHz Cortex-A7
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Mali-T720
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 32153
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 436
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 1241
General specs
General specs
SpecificationViper EP91
Release date
  • 2014
  • September
  • 2017
  • November
Colors
  • Black
  • White
  • Gold
  • Black
  • Blue
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer. Unknown
  • 6500 INR
Battery life
  • Stand by time- Up to 225 h Talking time- Up to 9 h 15 min
Unknown
Communication and Connectivity
Communication and Connectivity
SpecificationViper EP91
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE band 1(2100)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 40(2300)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.84 W/kg (head) 1.24 W/kg (body)
Unknown
Music and Audio
Music and Audio
SpecificationViper EP91
Radio
  • FM radio
  • FM radio
Others
  • DTS sound -Yamaha amplifier
Unknown
Other features
Other features
SpecificationViper EP91
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity
  • Infrared port - For India

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