Allview X1 Xtreme vs Asus Zenfone 2 ZE551ML

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    X1 Xtreme: 19.5 g lighter

    X1 Xtreme:
    150.5 g
    Zenfone 2 ZE551ML:
    170 g
  • Width

    X1 Xtreme: 2.2 mm narrower

    X1 Xtreme:
    75 mm
    Zenfone 2 ZE551ML:
    77.2 mm
  • Chipset

    X1 Xtreme:
    Qualcomm MSM8274 Snapdragon 800 (28 nm)
    Zenfone 2 ZE551ML:
    Intel Atom Z3580 (4 GB RAM model) -Intel Atom Z3560 (2 GB RAM model)
  • Depth

    X1 Xtreme: 1.2 mm thinner

    X1 Xtreme:
    9.7 mm
    Zenfone 2 ZE551ML:
    10.9 mm
  • Release year

    X1 Xtreme:
    2014
    Zenfone 2 ZE551ML:
    2015

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. X1 Xtreme

    Height:
    150.6 mm
    Width:
    75 mm
    Depth:
    9.7 mm
  2. 2. Zenfone 2 ZE551ML

    Height:
    152.5 mm
    Width:
    77.2 mm +2.2 mm versus X1 Xtreme
    Depth:
    10.9 mm +1.2 mm versus X1 Xtreme

Weight

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

  1. 1. X1 Xtreme

    150.5 g

  2. 2. Zenfone 2 ZE551ML

    170 g

    +19.5 g versus X1 Xtreme

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. X1 Xtreme

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Zenfone 2 ZE551ML

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 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 X1 Xtreme, Zenfone 2 ZE551ML, compared at the same storage capacity.
StorageX1 XtremeZenfone 2 ZE551ML
32 GB 3 GB RAM Unknown
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. X1 Xtreme

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details panorama

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. X1 Xtreme

    2500 mAh

  2. 2. Zenfone 2 ZE551ML

    3000 mAh

    +500 mAh versus X1 Xtreme

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. X1 Xtreme2. Zenfone 2 ZE551ML

Everyday essentials
Everyday essentials — specifications for X1 Xtreme, Zenfone 2 ZE551ML.
SpecificationX1 XtremeZenfone 2 ZE551ML
Dimensions (HxWxD)
  • 150.6 Х 75 Х 9.7 mm
  • 152.5 Х 77.2 Х 10.9 mm
Weight
  • 150.5 g
  • 170 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" 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.
  • 32 GB
  • 3 GB RAM
  • 16/32/64 GB
  • 2/4 GB RAM
Memory card support
  • panorama
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Non-removable Li-Po
  • 3000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 5.0 (Lollipop)
  • upgradable to 6.0 (Marshmallow)
Chipset
  • Qualcomm MSM8274 Snapdragon 800 (28 nm)
  • Intel Atom Z3580 (4 GB RAM model) -Intel Atom Z3560 (2 GB RAM model)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X1 Xtreme, Zenfone 2 ZE551ML.
SpecificationX1 XtremeZenfone 2 ZE551ML
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 83.4 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 73.8%
  • 70.8%
PPI /points per inch/
  • 401 PPI
  • 401 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for X1 Xtreme, Zenfone 2 ZE551ML.
SpecificationX1 XtremeZenfone 2 ZE551ML
Rear camera, main
  • 16 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 16 MP
  • AF
  • 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
  • 8 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 8 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 X1 Xtreme, Zenfone 2 ZE551ML.
SpecificationX1 XtremeZenfone 2 ZE551ML
Processor CPU
  • Quad-core 2.15 GHz Krait 400
  • Quad-core 2.3 GHz (4 GB RAM model) -Quad-core 1.8 GHz (2 GB RAM model)
Graphics processor GPU
  • Adreno 330
  • PowerVR G6430
Antutu 7 score * Unknown
  • 50232
General specs
General specs — specifications for X1 Xtreme, Zenfone 2 ZE551ML.
SpecificationX1 XtremeZenfone 2 ZE551ML
Release date
  • 2014
  • February
  • 2015
  • January
Colors
  • Black
  • Osmium Black
  • Sheer Gold
  • Glacier Gray
  • Glamor Red
  • Ceramic White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 470 EUR
  • 300 EUR
Battery life
  • Stand by time- Up to 250 h Talking time- Up to 8 h 20 min
Unknown
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for X1 Xtreme, Zenfone 2 ZE551ML.
SpecificationX1 XtremeZenfone 2 ZE551ML
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • 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 42.2/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • 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 Unknown
  • SAR EU - 0.35 W/kg (head)
Music and Audio
Music and Audio — specifications for X1 Xtreme, Zenfone 2 ZE551ML.
SpecificationX1 XtremeZenfone 2 ZE551ML
Radio
  • FM radio
  • FM radio
  • RDS
Others
  • DTS sound -Yamaha Audio Amplifier -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for X1 Xtreme, Zenfone 2 ZE551ML.
SpecificationX1 XtremeZenfone 2 ZE551ML
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 60% in 40 min