Allview V4 Viper Pro vs T-Mobile Revvlry

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

    Revvlry: 10.6 mm narrower

    V4 Viper Pro:
    82 mm
    Revvlry:
    71.4 mm
  • Screen diagonal

    Revvlry: 1.1 in smaller diagonal

    V4 Viper Pro:
    6.8 in
    Revvlry:
    5.7 in
  • Memory variants

    At 32 GB storage

    V4 Viper Pro:
    2 GB RAM
    Revvlry:
    3 GB RAM
  • Chipset

    V4 Viper Pro:
    Mediatek MT6739 (28 nm)
    Revvlry:
    Qualcomm SDM632 Snapdragon 632 (14 nm)
  • Depth

    Revvlry: 0.7 mm thinner

    V4 Viper Pro:
    8.8 mm
    Revvlry:
    8.1 mm
  • Height

    Revvlry: 22.4 mm shorter

    V4 Viper Pro:
    171 mm
    Revvlry:
    148.6 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 +22.4 mm versus Revvlry
    Width:
    82 mm +10.6 mm versus Revvlry
    Depth:
    8.8 mm +0.7 mm versus Revvlry
    Weight:
    191.6 g
  2. 2. Revvlry

    Height:
    148.6 mm
    Width:
    71.4 mm
    Depth:
    8.1 mm
    Weight:
    Unknown

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. Revvlry

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    81.1 cm²

V4 Viper Pro has approximately 42.3% more rectangular screen area than Revvlry.

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, Revvlry, compared at the same storage capacity.
StorageV4 Viper ProRevvlry
32 GB Recorded for all phones 2 GB RAM 3 GB 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. 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. Revvlry

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 1 TB (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

    +500 mAh versus Revvlry

  2. 2. Revvlry

    3000 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. Revvlry

Everyday essentials
Everyday essentials — specifications for V4 Viper Pro, Revvlry.
SpecificationV4 Viper ProRevvlry
Dimensions (HxWxD)
  • 171 Х 82 Х 8.8 mm
  • 148.6 Х 71.4 Х 8.1 mm
Weight
  • 191.6 g
  • 0 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.8" inch
  • 5.7" inch
Screen resolution
  • 640 x 1352 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 2GB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 128 GB (uses shared SIM slot)
  • microSD
  • up to 1 TB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Android 9.0 (Pie)
Chipset
  • Mediatek MT6739 (28 nm)
  • Qualcomm SDM632 Snapdragon 632 (14 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for V4 Viper Pro, Revvlry.
SpecificationV4 Viper ProRevvlry
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 115.4 cm2
  • 81.1 cm2
Screen format
  • 19:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 82.3%
  • 76.4%
PPI /points per inch/
  • 220 PPI
  • 295 PPI
Camera and Video
Camera and Video — specifications for V4 Viper Pro, Revvlry.
SpecificationV4 Viper ProRevvlry
Rear camera, main
  • 13 MP
  • Dual-LED flash
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • AF -0.3 MP
  • (ultrawide/depth sensor)
  • 13 MP
  • f/2.0
  • 1.12µm
  • PDAF
Functions
  • Dual-LED flash
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 8 MP
  • 8 MP
  • f/2.2
  • 1.12µm
Performance
Performance — specifications for V4 Viper Pro, Revvlry.
SpecificationV4 Viper ProRevvlry
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Octa-core (4x1.8 GHz Kryo 250 Gold & 4x1.8 GHz Kryo 250 Silver)
Graphics processor GPU
  • PowerVR GE8100
  • Adreno 506
General specs
General specs — specifications for V4 Viper Pro, Revvlry.
SpecificationV4 Viper ProRevvlry
Release date
  • 2020
  • January
  • 2019
  • July
Colors
  • Dark Grey
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
  • 200 USD
Communication and Connectivity
Communication and Connectivity — specifications for V4 Viper Pro, Revvlry.
SpecificationV4 Viper ProRevvlry
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Nano-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)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1700(AWS) / 1900 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 12(700)
  • 38(2600)
  • 66(1700/2100)
  • 71(600)
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 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
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 1.20 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for V4 Viper Pro, Revvlry.
SpecificationV4 Viper ProRevvlry
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for V4 Viper Pro, Revvlry.
SpecificationV4 Viper ProRevvlry
Dop
  • Sensors Fingerprint (rear-mounted)
  • Sensors Accelerometer
  • proximity - Battery charging 10W - For Europe
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 10W - Splash resistant