Allview V2 Viper S vs Lava A77

Compare recorded specifications, size and practical differences.

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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.

  • Width

    A77: 7.3 mm narrower

    V2 Viper S:
    74.5 mm
    A77:
    67.2 mm
  • Screen diagonal

    A77: 1 in smaller diagonal

    V2 Viper S:
    5.5 in
    A77:
    4.5 in
  • Chipset

    V2 Viper S:
    Mediatek MT6753 (28 nm)
    A77:
    Spreadtrum SC9832
  • Depth

    V2 Viper S: 1.3 mm thinner

    V2 Viper S:
    8.2 mm
    A77:
    9.5 mm
  • Height

    A77: 11 mm shorter

    V2 Viper S:
    146 mm
    A77:
    135 mm
  • Release year

    V2 Viper S:
    2016
    A77:
    2017

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.

  1. 1. V2 Viper S

    Height:
    146 mm +11 mm versus A77
    Width:
    74.5 mm +7.3 mm versus A77
    Depth:
    8.2 mm
  2. 2. A77

    Height:
    135 mm
    Width:
    67.2 mm
    Depth:
    9.5 mm +1.3 mm versus V2 Viper S

Weight

Bars start at zero and share a scale within this chart.

  1. 1. V2 Viper S

    141.6 g

    +1.6 g versus A77

  2. 2. A77

    140 g

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. V2 Viper S

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. A77

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²

V2 Viper S has approximately 49.4% more rectangular screen area than A77.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for V2 Viper S, A77, compared at the same storage capacity.
StorageV2 Viper SA77
8 GB Not recorded 1 GB RAM
32 GB 3 GB RAM Not recorded

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. V2 Viper S

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

2. A77

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. V2 Viper S

    3000 mAh

    +1000 mAh versus A77

  2. 2. A77

    2000 mAh

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. V2 Viper S2. A77

Everyday essentials
Everyday essentials — specifications for V2 Viper S, A77.
SpecificationV2 Viper SA77
Dimensions (HxWxD)
  • 146 Х 74.5 Х 8.2 mm
  • 135 Х 67.2 Х 9.5 mm
Weight
  • 141.6 g
  • 140 g
Technology
  • LTPS IPS LCD
  • TN
Screen size
  • 5.5" inch
  • 4.5" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Removable Li-Po
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 6.0 (Marshmallow)
Chipset
  • Mediatek MT6753 (28 nm)
  • Spreadtrum SC9832
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for V2 Viper S, A77.
SpecificationV2 Viper SA77
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 76.7%
  • 61.5%
PPI /points per inch/
  • 401 PPI
  • 218 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for V2 Viper S, A77.
SpecificationV2 Viper SA77
Rear camera, main
  • 16 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 16 MP
  • PDAF & laser AF
  • f/2.0
  • 5 MP
Functions
  • Dual-LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 5 MP
  • 5 MP
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for V2 Viper S, A77.
SpecificationV2 Viper SA77
Processor CPU
  • Octa-core 1.3 GHz Cortex-A53
  • Quad-core 1.3 GHz
Graphics processor GPU
  • Mali-T720MP2
  • Mali-400
Antutu 7 score * Unknown
  • 7812
General specs
General specs — specifications for V2 Viper S, A77.
SpecificationV2 Viper SA77
Release date
  • 2016
  • October
  • 2017
  • May
Colors
  • Gray
  • Gold
  • Gold
  • Silver
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 6099 INR
Battery life
  • Stand by time- Up to 210 h (3G) Talking time- Up to 14 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for V2 Viper S, A77.
SpecificationV2 Viper SA77
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 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 20(800)
  • 38(2600)
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 5(850)
  • 40(2300)
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for V2 Viper S, A77.
SpecificationV2 Viper SA77
Radio
  • FM radio
  • Stereo FM radio with RDS; reco
Other features
Other features — specifications for V2 Viper S, A77.
SpecificationV2 Viper SA77
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Acer Liquid Zest Z525 with 3G Acer Liquid Zest 4G Z528 with 3G/LTE
  • Infrared port - Fast battery charging (Pump Express 2.0+) - For metroPCS
  • Sensors Accelerometer
  • proximity - For India