Allview V3 Viper vs Celkon A66

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.

  • Weight

    A66: 45.6 g lighter

    V3 Viper:
    143.6 g
    A66:
    98 g
  • Width

    A66: 4.6 mm narrower

    V3 Viper:
    71.8 mm
    A66:
    67.2 mm
  • Screen diagonal

    A66: 1 in smaller diagonal

    V3 Viper:
    5.5 in
    A66:
    4.5 in
  • Depth

    V3 Viper: 2.9 mm thinner

    V3 Viper:
    8.1 mm
    A66:
    11 mm
  • Height

    A66: 12.3 mm shorter

    V3 Viper:
    148.3 mm
    A66:
    136 mm
  • Release year

    V3 Viper:
    2018
    A66:
    2014

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. V3 Viper

    Height:
    148.3 mm +12.3 mm versus A66
    Width:
    71.8 mm +4.6 mm versus A66
    Depth:
    8.1 mm
  2. 2. A66

    Height:
    136 mm
    Width:
    67.2 mm
    Depth:
    11 mm +2.9 mm versus V3 Viper

Weight

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

  1. 1. V3 Viper

    143.6 g

    +45.6 g versus A66

  2. 2. A66

    98 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. V3 Viper

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    78.1 cm²
  2. 2. A66

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

V3 Viper has approximately 39.8% more rectangular screen area than A66.

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 V3 Viper, A66, compared at the same storage capacity.
StorageV3 ViperA66
32 GB 3 GB RAM Unknown
A66: Original memory entry

4 GB · 512 MB RAM

Practical features

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

1. V3 Viper

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

2. A66

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

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. V3 Viper

    3000 mAh

    +1000 mAh versus A66

  2. 2. A66

    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. V3 Viper2. A66

Everyday essentials
Everyday essentials — specifications for V3 Viper, A66.
SpecificationV3 ViperA66
Dimensions (HxWxD)
  • 148.3 Х 71.8 Х 8.1 mm
  • 136 Х 67.2 Х 11 mm
Weight
  • 143.6 g
  • 98 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 4.5" inch
Screen resolution
  • 720 x 1440 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
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 2000 mAh
  • Li-Ion
Operating system OS
  • Android 8.0 (Oreo)
  • Android 4.1.2 (Jelly Bean)
Chipset
  • Mediatek MT6737 (28 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for V3 Viper, A66.
SpecificationV3 ViperA66
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 78.1 cm2
  • 55.8 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 143.3 Х 73.3 Х 9.2 mm
  • 61.1%
PPI /points per inch/
  • 293 PPI
  • 218 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for V3 Viper, A66.
SpecificationV3 ViperA66
Rear camera, main
  • 13 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 3.15 MP
Functions
  • Dual-LED flash
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 13 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 13 MP
  • VGA
Performance

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

Performance — specifications for V3 Viper, A66.
SpecificationV3 ViperA66
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Dual-core 1.2 GHz
Graphics processor GPU
  • Mali-T720MP2
Unknown
Antutu 7 score *
  • 30202
Unknown
General specs
General specs — specifications for V3 Viper, A66.
SpecificationV3 ViperA66
Release date
  • 2018
  • January
  • 2014
Colors
  • Black
  • Sandy Silver
  • Gold
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 160 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for V3 Viper, A66.
SpecificationV3 ViperA66
SIM card
  • Hybrid Dual SIM (Micro-SIM/Nano-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 850 / 900 / 1900 / 2100-4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 39(1900)
  • 40(2300)
Unknown
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi Direct
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • Android 4.4.2 (KitKat)
  • A2DP
  • Super AMOLED
  • 2.0
Harmful irradiation
  • SAR EU - 1.26 W/kg (head)
  • SAR EU - 0.38 W/kg (head) 0.47 W/kg (body)
Music and Audio
Music and Audio — specifications for V3 Viper, A66.
SpecificationV3 ViperA66
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for V3 Viper, A66.
SpecificationV3 ViperA66
Dop
  • Sensors Fingerprint (rear-mounted)
  • Sensors Accelerometer
  • proximity
  • compass - Acer Liquid Zest Z525 with 3G Acer Liquid Zest 4G Z528 with 3G/LTE
  • Infrared port - For Europe
  • Sensors Accelerometer
  • proximity