Allview X4 Xtreme vs HTC U12+

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

    U12+: 38.9 g lighter

    X4 Xtreme:
    226.9 g
    U12+:
    188 g
  • Width

    U12+: 9.4 mm narrower

    X4 Xtreme:
    83.3 mm
    U12+:
    73.9 mm
  • Chipset

    X4 Xtreme:
    Mediatek MT6757T Helio P25 (16 nm)
    U12+:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Height

    U12+: 9.8 mm shorter

    X4 Xtreme:
    166.4 mm
    U12+:
    156.6 mm
  • Release year

    X4 Xtreme:
    2017
    U12+:
    2018

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 +9.8 mm versus U12+
    Width:
    83.3 mm +9.4 mm versus U12+
    Depth:
    9.1 mm
  2. 2. U12+

    Height:
    156.6 mm
    Width:
    73.9 mm
    Depth:
    8.7 mm

Weight

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

  1. 1. X4 Xtreme

    226.9 g

    +38.9 g versus U12+

  2. 2. U12+

    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. U12+

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.9 cm²

X4 Xtreme has approximately 6.8% more rectangular screen area than U12+.

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, U12+, compared at the same storage capacity.
StorageX4 XtremeU12+
64 GB Unknown 6 GB RAM
128 GB Unknown 6 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. U12+

NFC:
Yes
Headphone jack:
No
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 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. X4 Xtreme

    4550 mAh

    +1050 mAh versus U12+

  2. 2. U12+

    3500 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. U12+

Everyday essentials
Everyday essentials — specifications for X4 Xtreme, U12+.
SpecificationX4 XtremeU12+
Dimensions (HxWxD)
  • 166.4 Х 83.3 Х 9.1 mm
  • 156.6 Х 73.9 Х 8.7 mm
Weight
  • 226.9 g
  • 188 g
Technology
  • IPS LCD
  • Super LCD6
Screen size
  • 6" inch
  • 6" inch
Screen resolution
  • 1080 x 1920 px
  • 1440 x 2880 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
  • 64/128 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSD
  • up to 512 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4550 mAh
  • Non-removable Li-Po
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • Android 8.0 (Oreo)
  • planned upgrade to Android 9.0 (Pie); Sense UI
Chipset
  • Mediatek MT6757T Helio P25 (16 nm)
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC
  • Super AMOLED
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for X4 Xtreme, U12+.
SpecificationX4 XtremeU12+
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 99.2 cm2
  • 92.9 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 146.1 Х 71.6 Х 9.9 mm
  • 80.3%
PPI /points per inch/
  • 367 PPI
  • 537 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 3
Camera and Video

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

Camera and Video — specifications for X4 Xtreme, U12+.
SpecificationX4 XtremeU12+
Rear camera, main
  • 13 MP
  • Dual-LED flash
  • 12 MP
  • Dual
Camera specs
  • 13 MP
  • PDAF -5 MP
  • (ultrawide/depth sensor)
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • OIS
  • dual pixel PDAF & laser AF
  • OIS -16 MP (12 MP effective)
  • f/2.6
  • 1.0µm
  • 2x optical zoom
  • AF
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 20 MP
  • Single
  • 8 MP
  • Dual
Specifications
  • 20 MP
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm 8 MP
  • 1.12µm
DxOMark Main Score * Unknown
  • 103
DxOMark Photo * Unknown
  • 106
DxOMark Video * Unknown
  • 95
Performance

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

Performance — specifications for X4 Xtreme, U12+.
SpecificationX4 XtremeU12+
Processor CPU
  • Octa-core (4x2.5 GHz Cortex-A53 & 4x1.4 GHz Cortex-A53)
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Graphics processor GPU
  • Mali-T880MP2
  • Adreno 630
Antutu 7 score *
  • 58758
  • 275302
GeekBench 4 Single Core * Unknown
  • 2406
GeekBench 4 Multi-Core * Unknown
  • 8712
GeekBench 4 RenderScript * Unknown
  • 13476
GeekBench 5 Single Core * Unknown
  • 507
GeekBench 5 Multi-Core * Unknown
  • 2082
General specs
General specs — specifications for X4 Xtreme, U12+.
SpecificationX4 XtremeU12+
Release date
  • 2017
  • June
  • 2018
  • May
Colors
  • Mocha Gold
  • Translucent Blue
  • Ceramic Black
  • Flame red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 650 EUR
Battery life
  • Stand by time- Up to 379 h Talking time- Up to 25 h
  • Talking time- Up to 24 h (3G)
Body build Unknown
  • Front/back glass & aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for X4 Xtreme, U12+.
SpecificationX4 XtremeU12+
SIM card
  • Hybrid Dual SIM (Micro-SIM/Nano SIM)
  • Single SIM (Nano-SIM)Hybrid 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 (dual-SIM model only) -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)
  • 20(800)
  • 28(700)
  • 32(1500)
  • 38(2600)
  • 39(1900)
  • 49
  • 41(2500)
  • 66(1700/2100)
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (5CA) Cat18 1200/150 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
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • 3.1
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 5.0
  • A2DP
  • aptX HD
  • LE
Harmful irradiation
  • SAR EU - 1.01 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for X4 Xtreme, U12+.
SpecificationX4 XtremeU12+
Radio
  • FM radio
  • No
Others Unknown
  • DCI-P3 -HDR10
  • 32-bit/384kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for X4 Xtreme, U12+.
SpecificationX4 XtremeU12+
Dop
  • Sensors Fingerprint (front-mounted)
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - For Europe
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 50% in 35 min (Quick Charge 3.0) - IP68 dust/water proof (up to 1.5m for 30 mins) -Pressure-sensitive buttons