Allview V4 Viper Pro vs Micromax A25

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

    A25: 89.6 g lighter

    V4 Viper Pro:
    191.6 g
    A25:
    102 g
  • Width

    A25: 26 mm narrower

    V4 Viper Pro:
    82 mm
    A25:
    56 mm
  • Screen diagonal

    A25: 4 in smaller diagonal

    V4 Viper Pro:
    6.8 in
    A25:
    2.8 in
  • Chipset

    V4 Viper Pro:
    Mediatek MT6739 (28 nm)
    A25:
    Mediatek MT6515
  • Depth

    V4 Viper Pro: 4.2 mm thinner

    V4 Viper Pro:
    8.8 mm
    A25:
    13 mm
  • Height

    A25: 66.5 mm shorter

    V4 Viper Pro:
    171 mm
    A25:
    104.5 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.

  1. 1. V4 Viper Pro

    Height:
    171 mm +66.5 mm versus A25
    Width:
    82 mm +26 mm versus A25
    Depth:
    8.8 mm
  2. 2. A25

    Height:
    104.5 mm
    Width:
    56 mm
    Depth:
    13 mm +4.2 mm versus V4 Viper Pro

Weight

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

  1. 1. V4 Viper Pro

    191.6 g

    +89.6 g versus A25

  2. 2. A25

    102 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. V4 Viper Pro

    Screen diagonal:
    6.8 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    115.4 cm²
  2. 2. A25

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²

V4 Viper Pro has approximately 375.4% more rectangular screen area than A25.

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 V4 Viper Pro, A25, compared at the same storage capacity.
StorageV4 Viper ProA25
32 GB 2 GB RAM Unknown
A25: Original memory entry

256 MB RAM · 512 MB

Practical features

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

1. V4 Viper Pro

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (uses shared SIM slot)

2. A25

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. V4 Viper Pro

    3500 mAh

    +2220 mAh versus A25

  2. 2. A25

    1280 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. V4 Viper Pro2. A25

Everyday essentials
Everyday essentials — specifications for V4 Viper Pro, A25.
SpecificationV4 Viper ProA25
Dimensions (HxWxD)
  • 171 Х 82 Х 8.8 mm
  • 104.5 Х 56 Х 13 mm
Weight
  • 191.6 g
  • 102 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.8" inch
  • 2.8" inch
Screen resolution
  • 640 x 1352 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 2GB RAM
  • 256 MB RAM
  • 512 MB
Memory card support
  • microSD
  • up to 128 GB (uses shared SIM slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 1280 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Android 2.3.6 (Gingerbread)
Chipset
  • Mediatek MT6739 (28 nm)
  • Mediatek MT6515
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for V4 Viper Pro, A25.
SpecificationV4 Viper ProA25
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 115.4 cm2
  • 24.3 cm2
Screen format
  • 19:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 82.3%
  • 41.5%
PPI /points per inch/
  • 220 PPI
  • 143 PPI
Camera and Video
Camera and Video — specifications for V4 Viper Pro, A25.
SpecificationV4 Viper ProA25
Rear camera, main
  • 13 MP
  • Dual-LED flash
  • 1.3 MP
  • Single
Camera specs
  • 13 MP
  • AF -0.3 MP
  • (ultrawide/depth sensor)
  • 1.3 MP
Functions
  • Dual-LED flash
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
Unknown
Performance
Performance — specifications for V4 Viper Pro, A25.
SpecificationV4 Viper ProA25
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • 1.0 GHz Cortex-A9
Graphics processor GPU
  • PowerVR GE8100
  • PowerVR SGX531
General specs
General specs — specifications for V4 Viper Pro, A25.
SpecificationV4 Viper ProA25
Release date
  • 2020
  • January
  • 2012
  • October
Colors
  • Dark Grey
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
  • 50 EUR
Battery life Unknown
  • Stand by time- Up to 180 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for V4 Viper Pro, A25.
SpecificationV4 Viper ProA25
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Mini-SIM)
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)
Unknown
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • No
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.1
Harmful irradiation
  • SAR EU - 1.20 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for V4 Viper Pro, A25.
SpecificationV4 Viper ProA25
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for V4 Viper Pro, A25.
SpecificationV4 Viper ProA25
Dop
  • Sensors Fingerprint (rear-mounted)
  • Sensors Accelerometer
  • proximity - Battery charging 10W - For Europe
  • Sensors Accelerometer