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Allview Viper E vs Micromax Bolt A51

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.

  • WidthBolt A51: 2.5 mm narrowerBolt A51: 62.5 mm · Viper E: 65 mm
  • Screen diagonalBolt A51: 1 in smaller diagonalBolt A51: 3.5 in · Viper E: 4.5 in
  • DepthViper E: 5 mm thinnerViper E: 7.8 mm · Bolt A51: 12.8 mm
  • HeightBolt A51: 12.5 mm shorterBolt A51: 118.5 mm · Viper E: 131 mm
  • Release year2014 / 2013Viper E: 2014 · Bolt A51: 2013

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 Bolt A51: 118.5 × 62.5 mm 2
Side
Viper E: 131 × 7.8 mm 1 Bolt A51: 118.5 × 12.8 mm 2
  1. 1. Viper E
    Height
    131 mm+12.5 mm versus Bolt A51
    Width
    65 mm+2.5 mm versus Bolt A51
    Depth
    7.8 mm
    Weight
    122.5 g
  2. 2. Bolt A51
    Height
    118.5 mm
    Width
    62.5 mm
    Depth
    12.8 mm+5 mm versus Viper E
    Weight
    118 g
Weight

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

  1. 1. Viper E122.5 g

    +4.5 g versus Bolt A51

  2. 2. Bolt A51118 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.

Screen size
Viper E: 4.5 in, 16:9, About 55.8 cm² rectangular area 1 Bolt A51: 3.5 in, 3:2, About 36.5 cm² rectangular area 2
  1. 1. Viper E 4.5 in · 16:9 About 55.8 cm² rectangular area
  2. 2. Bolt A51 3.5 in · 3:2 About 36.5 cm² rectangular area

Viper E has approximately 53% more rectangular screen area than Bolt A51.

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 by storage capacity and phone
StorageViper EBolt A51
8 GB 1 GB RAM Unknown
Bolt A51: Original memory entry

512 MB · 256 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. Viper E

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

2. Bolt A51

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 capacity

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

  1. 1. Viper E1800 mAh

    +300 mAh versus Bolt A51

  2. 2. Bolt A511500 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. Viper E2. Bolt A51

Everyday essentials
Everyday essentials
SpecificationViper EBolt A51
Dimensions (HxWxD)
  • 131 Х 65 Х 7.8 mm
  • 118.5 Х 62.5 Х 12.8 mm
Weight
  • 122.5 g
  • 118 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.5" inch
  • 3.5" inch
Screen resolution
  • 480 x 854 px
  • 320 x 480 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 512 MB
  • 256 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.0 (Lollipop)
  • Android 2.3.7 (Gingerbread)
Chipset
  • Mediatek MT6582 (28 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationViper EBolt A51
Touchscreen
  • capacitive touchscreen
  • touchscreen
Display colors
  • Super AMOLED
Unknown
Screen area
  • 55.8 cm2
  • 36.5 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 127.3 Х 65.5 Х 10 mm
  • 49.3%
PPI /points per inch/
  • 218 PPI
  • 165 PPI
Screen protection
  • Asahi Dragontrail Glass
Unknown
Camera and Video
Camera and Video
SpecificationViper EBolt A51
Rear camera, main
  • 8 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 2 MP
Functions
  • Dual-LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 2 MP
  • VGA
Performance
Performance
SpecificationViper EBolt A51
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • 832 MHz
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
Unknown
General specs
General specs
SpecificationViper EBolt A51
Release date
  • 2014
  • September
  • 2013
  • April
Colors
  • Black
  • White
  • Black/Silver
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 EUR
Battery life
  • Stand by time- Up to 225 h Talking time- Up to 9 h 15 min
  • Stand by time- Up to 140 h Talking time- Up to 4 h 30 min
Communication and Connectivity
Communication and Connectivity
SpecificationViper EBolt A51
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM
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 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
GPRS
  • Class 12
  • Class 12
Edge
  • Class 10
  • Class 32
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 3.0
Harmful irradiation
  • SAR EU - 0.84 W/kg (head) 1.24 W/kg (body)
Unknown
Music and Audio
Music and Audio
SpecificationViper EBolt A51
Radio
  • FM radio
  • FM radio
Others
  • DTS sound -Yamaha amplifier
Unknown
Other features
Other features
SpecificationViper EBolt A51
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer