Allview V2 Viper X vs BLU Vivo XI

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.

  • Display technology

    OLED versus LCD

    V2 Viper X:
    OLED
    Vivo XI:
    LCD
  • Weight

    V2 Viper X: 31.7 g lighter

    V2 Viper X:
    155.3 g
    Vivo XI:
    187 g
  • Width

    Vivo XI: 4.1 mm narrower

    V2 Viper X:
    77 mm
    Vivo XI:
    72.9 mm
  • Screen diagonal

    V2 Viper X: 0.4 in smaller diagonal

    V2 Viper X:
    5.5 in
    Vivo XI:
    5.9 in
  • Chipset

    V2 Viper X:
    Mediatek MT6753 (28 nm)
    Vivo XI:
    Mediatek MT6762 Helio P22 (12 nm)
  • Rear camera layout

    V2 Viper X:
    Single
    Vivo XI:
    Dual

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 X

    Height:
    154 mm +5 mm versus Vivo XI
    Width:
    77 mm +4.1 mm versus Vivo XI
    Depth:
    7.2 mm
  2. 2. Vivo XI

    Height:
    149 mm
    Width:
    72.9 mm
    Depth:
    7.9 mm +0.7 mm versus V2 Viper X

Weight

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

  1. 1. V2 Viper X

    155.3 g

  2. 2. Vivo XI

    187 g

    +31.7 g versus V2 Viper X

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 X

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

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

Vivo XI has approximately 4.2% more rectangular screen area than V2 Viper X.

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 X, Vivo XI, compared at the same storage capacity.
StorageV2 Viper XVivo XI
16 GB 1 GB RAM Not recorded
32 GB Not recorded 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. V2 Viper X

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

2. Vivo XI

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 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. V2 Viper X

    3150 mAh

    +150 mAh versus Vivo XI

  2. 2. Vivo XI

    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. V2 Viper X2. Vivo XI

Everyday essentials
Everyday essentials — specifications for V2 Viper X, Vivo XI.
SpecificationV2 Viper XVivo XI
Dimensions (HxWxD)
  • 154 Х 77 Х 7.2 mm
  • 149 Х 72.9 Х 7.9 mm
Weight
  • 155.3 g
  • 187 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 5.5" inch
  • 5.9" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 256 GB
  • microSD
  • up to 128 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3150 mAh
  • Removable Li-Po
  • 3000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 8.1 (Oreo)
  • planned upgrade to Android 9.0 (Pie)
Chipset
  • Mediatek MT6753 (28 nm)
  • Mediatek MT6762 Helio P22 (12 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for V2 Viper X, Vivo XI.
SpecificationV2 Viper XVivo XI
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 86.9 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 70.3%
  • 80.0%
PPI /points per inch/
  • 267 PPI
  • 285 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for V2 Viper X, Vivo XI.
SpecificationV2 Viper XVivo XI
Rear camera, main
  • 13 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • 13 MP
  • AF
  • f/2.0
  • 16 MP
  • f/2.0
  • 1/3''
  • 1.10µm
  • PDAF -5 MP
  • 1/5''
  • 1.12µm
  • depth sensor
Functions
  • Dual-LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 5 MP
  • 16 MP
  • 1/3''
  • 1.10µm
Performance

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

Performance — specifications for V2 Viper X, Vivo XI.
SpecificationV2 Viper XVivo XI
Processor CPU
  • Octa-core 1.3 GHz Cortex-A53
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • Mali-T720MP2
  • PowerVR GE8320
Antutu 7 score *
  • 23923
  • 70125
GeekBench 4 Single Core * Unknown
  • 775
GeekBench 4 Multi-Core * Unknown
  • 3431
General specs
General specs — specifications for V2 Viper X, Vivo XI.
SpecificationV2 Viper XVivo XI
Release date
  • 2015
  • October
  • 2018
  • September
Colors
  • Dark Blue
  • Golden pearl
  • Black
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 200 USD
Battery life
  • Stand by time- Up to 393 h (3G) Talking time- Up to 13 h 40 min (3G)
  • Stand by time- Up to 625 h (3G) Talking time- Up to 21 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for V2 Viper X, Vivo XI.
SpecificationV2 Viper XVivo XI
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM/Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 1900 / 2100-4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 20(800)
  • 39(1900)
  • 40(2300)
  • 41(2500) - 5007U
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 28(700)
  • 66(1700/2100)
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/11.5 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 Direct
  • Wi-Fi 802.11 a/b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.1
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.69 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for V2 Viper X, Vivo XI.
SpecificationV2 Viper XVivo XI
Radio
  • FM radio
  • FM radio
Others Unknown
  • DTS sound
Other features
Other features — specifications for V2 Viper X, Vivo XI.
SpecificationV2 Viper XVivo XI
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - For USA