Allview X4 Xtreme vs vivo X27

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

    X4 Xtreme:
    LCD
    X27:
    OLED
  • Weight

    X27: 38.9 g lighter

    X4 Xtreme:
    226.9 g
    X27:
    188 g
  • Width

    X27: 9 mm narrower

    X4 Xtreme:
    83.3 mm
    X27:
    74.3 mm
  • Screen diagonal

    X4 Xtreme: 0.39 in smaller diagonal

    X4 Xtreme:
    6 in
    X27:
    6.39 in
  • Chipset

    X4 Xtreme:
    Mediatek MT6757T Helio P25 (16 nm)
    X27:
    Qualcomm SDM710 Snapdragon 710 (10 nm)
  • Height

    X27: 8.7 mm shorter

    X4 Xtreme:
    166.4 mm
    X27:
    157.7 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. X4 Xtreme

    Height:
    166.4 mm +8.7 mm versus X27
    Width:
    83.3 mm +9 mm versus X27
    Depth:
    9.1 mm
  2. 2. X27

    Height:
    157.7 mm
    Width:
    74.3 mm
    Depth:
    9 mm

Weight

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

  1. 1. X4 Xtreme

    226.9 g

    +38.9 g versus X27

  2. 2. X27

    188 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. X4 Xtreme

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    99.2 cm²
  2. 2. X27

    Screen diagonal:
    6.39 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.2 cm²

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 X4 Xtreme, X27, compared at the same storage capacity.
StorageX4 XtremeX27
256 GB Unknown 8 GB RAM
X4 Xtreme: Original memory entry

up to 64 GB (dedicated slot) · 512GB 4GB

Practical features

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

1. X4 Xtreme

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

2. X27

NFC:
See details Yes (market dependent)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. X4 Xtreme

    4550 mAh

    +550 mAh versus X27

  2. 2. X27

    4000 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. X4 Xtreme2. X27

Everyday essentials
Everyday essentials — specifications for X4 Xtreme, X27.
SpecificationX4 XtremeX27
Dimensions (HxWxD)
  • 166.4 Х 83.3 Х 9.1 mm
  • 157.7 Х 74.3 Х 9 mm
Weight
  • 226.9 g
  • 188 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 6" inch
  • 6.39" inch
Screen resolution
  • 1080 x 1920 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • up to 64 GB (dedicated slot)
  • 512GB 4GB
  • 256 GB
  • 8 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4550 mAh
  • Non-removable Li-Po
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.0 (Nougat)
  • Android 9.0 (Pie); Funtouch 9
Chipset
  • Mediatek MT6757T Helio P25 (16 nm)
  • Qualcomm SDM710 Snapdragon 710 (10 nm)
NFC
  • Super AMOLED
  • Yes (market dependent)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X4 Xtreme, X27.
SpecificationX4 XtremeX27
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 99.2 cm2
  • 101.7 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 146.1 Х 71.6 Х 9.9 mm
  • 86.8%
PPI /points per inch/
  • 367 PPI
  • 400 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for X4 Xtreme, X27.
SpecificationX4 XtremeX27
Rear camera, main
  • 13 MP
  • Dual-LED flash
  • 48 MP
  • Triple
Camera specs
  • 13 MP
  • PDAF -5 MP
  • (ultrawide/depth sensor)
  • 48 MP
  • f/1.8
  • 1/2''
  • 0.8µm
  • PDAF -13 MP
  • 13mm (ultrawide) -5 MP
  • f/2.4
  • depth sensor
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 20 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 20 MP
  • Motorized pop-up 16 MP
Performance

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

Performance — specifications for X4 Xtreme, X27.
SpecificationX4 XtremeX27
Processor CPU
  • Octa-core (4x2.5 GHz Cortex-A53 & 4x1.4 GHz Cortex-A53)
  • Octa-core (2x2.2 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)
Graphics processor GPU
  • Mali-T880MP2
  • Adreno 616
Antutu 7 score *
  • 58758
Unknown
GeekBench 4 Single Core * Unknown
  • 3326
GeekBench 4 Multi-Core * Unknown
  • 11720
Antutu 8 score * Unknown
  • 215410
General specs
General specs — specifications for X4 Xtreme, X27.
SpecificationX4 XtremeX27
Release date
  • 2017
  • June
  • 2019
  • March
Colors
  • Mocha Gold
  • Blue
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 480 EUR
Battery life
  • Stand by time- Up to 379 h Talking time- Up to 25 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for X4 Xtreme, X27.
SpecificationX4 XtremeX27
SIM card
  • Hybrid Dual SIM (Micro-SIM/Nano SIM)
  • Dual SIM (Nano-SIM
  • dual stand-by)
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)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat12 600/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 5.0
  • A2DP
  • LE
  • EDR
  • aptX
Harmful irradiation
  • SAR EU - 1.01 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for X4 Xtreme, X27.
SpecificationX4 XtremeX27
Radio
  • FM radio
Unknown
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for X4 Xtreme, X27.
SpecificationX4 XtremeX27
Dop
  • Sensors Fingerprint (front-mounted)
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - For Europe
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 18W