Allview X4 Xtreme vs Asus Zenfone 2 ZE551ML

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

    Zenfone 2 ZE551ML: 56.9 g lighter

    X4 Xtreme:
    226.9 g
    Zenfone 2 ZE551ML:
    170 g
  • Width

    Zenfone 2 ZE551ML: 6.1 mm narrower

    X4 Xtreme:
    83.3 mm
    Zenfone 2 ZE551ML:
    77.2 mm
  • Screen diagonal

    Zenfone 2 ZE551ML: 0.5 in smaller diagonal

    X4 Xtreme:
    6 in
    Zenfone 2 ZE551ML:
    5.5 in
  • Chipset

    X4 Xtreme:
    Mediatek MT6757T Helio P25 (16 nm)
    Zenfone 2 ZE551ML:
    Intel Atom Z3580 (4 GB RAM model) -Intel Atom Z3560 (2 GB RAM model)
  • Depth

    X4 Xtreme: 1.8 mm thinner

    X4 Xtreme:
    9.1 mm
    Zenfone 2 ZE551ML:
    10.9 mm
  • Height

    Zenfone 2 ZE551ML: 13.9 mm shorter

    X4 Xtreme:
    166.4 mm
    Zenfone 2 ZE551ML:
    152.5 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. X4 Xtreme

    Height:
    166.4 mm +13.9 mm versus Zenfone 2 ZE551ML
    Width:
    83.3 mm +6.1 mm versus Zenfone 2 ZE551ML
    Depth:
    9.1 mm
  2. 2. Zenfone 2 ZE551ML

    Height:
    152.5 mm
    Width:
    77.2 mm
    Depth:
    10.9 mm +1.8 mm versus X4 Xtreme

Weight

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

  1. 1. X4 Xtreme

    226.9 g

    +56.9 g versus Zenfone 2 ZE551ML

  2. 2. Zenfone 2 ZE551ML

    170 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. Zenfone 2 ZE551ML

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

X4 Xtreme has approximately 19% more rectangular screen area than Zenfone 2 ZE551ML.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

X4 Xtreme: Original memory entry

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

Zenfone 2 ZE551ML: Original memory entry

16/32/64 GB · 2/4 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. 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. Zenfone 2 ZE551ML

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

    4550 mAh

    +1550 mAh versus Zenfone 2 ZE551ML

  2. 2. Zenfone 2 ZE551ML

    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. X4 Xtreme2. Zenfone 2 ZE551ML

Everyday essentials
Everyday essentials — specifications for X4 Xtreme, Zenfone 2 ZE551ML.
SpecificationX4 XtremeZenfone 2 ZE551ML
Dimensions (HxWxD)
  • 166.4 Х 83.3 Х 9.1 mm
  • 152.5 Х 77.2 Х 10.9 mm
Weight
  • 226.9 g
  • 170 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6" inch
  • 5.5" inch
Screen resolution
  • 1080 x 1920 px
  • 1080 x 1920 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
  • 16/32/64 GB
  • 2/4 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4550 mAh
  • Non-removable Li-Po
  • 3000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.0 (Nougat)
  • Android 5.0 (Lollipop)
  • upgradable to 6.0 (Marshmallow)
Chipset
  • Mediatek MT6757T Helio P25 (16 nm)
  • Intel Atom Z3580 (4 GB RAM model) -Intel Atom Z3560 (2 GB RAM model)
NFC
  • Super AMOLED
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X4 Xtreme, Zenfone 2 ZE551ML.
SpecificationX4 XtremeZenfone 2 ZE551ML
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 99.2 cm2
  • 83.4 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 146.1 Х 71.6 Х 9.9 mm
  • 70.8%
PPI /points per inch/
  • 367 PPI
  • 401 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for X4 Xtreme, Zenfone 2 ZE551ML.
SpecificationX4 XtremeZenfone 2 ZE551ML
Rear camera, main
  • 13 MP
  • Dual-LED flash
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • PDAF -5 MP
  • (ultrawide/depth sensor)
  • 13 MP
  • AF
  • f/2.0
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 20 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 20 MP
  • 5 MP
  • f/2.0
Performance

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

Performance — specifications for X4 Xtreme, Zenfone 2 ZE551ML.
SpecificationX4 XtremeZenfone 2 ZE551ML
Processor CPU
  • Octa-core (4x2.5 GHz Cortex-A53 & 4x1.4 GHz Cortex-A53)
  • Quad-core 2.3 GHz (4 GB RAM model) -Quad-core 1.8 GHz (2 GB RAM model)
Graphics processor GPU
  • Mali-T880MP2
  • PowerVR G6430
Antutu 7 score *
  • 58758
  • 50232
General specs
General specs — specifications for X4 Xtreme, Zenfone 2 ZE551ML.
SpecificationX4 XtremeZenfone 2 ZE551ML
Release date
  • 2017
  • June
  • 2015
  • January
Colors
  • Mocha Gold
  • Osmium Black
  • Sheer Gold
  • Glacier Gray
  • Glamor Red
  • Ceramic White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 300 EUR
Battery life
  • Stand by time- Up to 379 h Talking time- Up to 25 h
Unknown
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for X4 Xtreme, Zenfone 2 ZE551ML.
SpecificationX4 XtremeZenfone 2 ZE551ML
SIM card
  • Hybrid Dual SIM (Micro-SIM/Nano SIM)
  • Dual SIM (Micro-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 -3G - HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA - China & India -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 9(1800)
  • 18(800)
  • 19(800)
  • 28(700) - Taiwan LTE band 1(2100)
  • 7(2600)
  • 20(800) - Global LTE band 1(2100)
  • 17(700)
  • 20(800) - US LTE band 1(2100)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - China & India
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.0
  • A2DP
  • EDR
Harmful irradiation
  • SAR EU - 1.01 W/kg (head)
  • SAR EU - 0.35 W/kg (head)
Music and Audio
Music and Audio — specifications for X4 Xtreme, Zenfone 2 ZE551ML.
SpecificationX4 XtremeZenfone 2 ZE551ML
Radio
  • FM radio
  • FM radio
  • RDS
Other features
Other features — specifications for X4 Xtreme, Zenfone 2 ZE551ML.
SpecificationX4 XtremeZenfone 2 ZE551ML
Dop
  • Sensors Fingerprint (front-mounted)
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - For Europe
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 60% in 40 min