Asus Zenfone 2 ZE551ML vs HTC One ME

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

    One ME: 15 g lighter

    Zenfone 2 ZE551ML:
    170 g
    One ME:
    155 g
  • Width

    One ME: 5.2 mm narrower

    Zenfone 2 ZE551ML:
    77.2 mm
    One ME:
    72 mm
  • Screen diagonal

    One ME: 0.3 in smaller diagonal

    Zenfone 2 ZE551ML:
    5.5 in
    One ME:
    5.2 in
  • Chipset

    Zenfone 2 ZE551ML:
    Intel Atom Z3580 (4 GB RAM model) -Intel Atom Z3560 (2 GB RAM model)
    One ME:
    Mediatek MT6795 Helio X10 (28 nm)
  • Depth

    One ME: 1.1 mm thinner

    Zenfone 2 ZE551ML:
    10.9 mm
    One ME:
    9.8 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. Zenfone 2 ZE551ML

    Height:
    152.5 mm
    Width:
    77.2 mm +5.2 mm versus One ME
    Depth:
    10.9 mm +1.1 mm versus One ME
  2. 2. One ME

    Height:
    151 mm
    Width:
    72 mm
    Depth:
    9.8 mm

Weight

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

  1. 1. Zenfone 2 ZE551ML

    170 g

    +15 g versus One ME

  2. 2. One ME

    155 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. Zenfone 2 ZE551ML

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

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

Zenfone 2 ZE551ML has approximately 11.9% more rectangular screen area than One ME.

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 Zenfone 2 ZE551ML, One ME, compared at the same storage capacity.
StorageZenfone 2 ZE551MLOne ME
32 GB Unknown 3 GB RAM
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. Zenfone 2 ZE551ML

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. One ME

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 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. Zenfone 2 ZE551ML

    3000 mAh

    +160 mAh versus One ME

  2. 2. One ME

    2840 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. Zenfone 2 ZE551ML2. One ME

Everyday essentials
Everyday essentials — specifications for Zenfone 2 ZE551ML, One ME.
SpecificationZenfone 2 ZE551MLOne ME
Dimensions (HxWxD)
  • 152.5 Х 77.2 Х 10.9 mm
  • 151 Х 72 Х 9.8 mm
Weight
  • 170 g
  • 155 g
Technology
  • IPS LCD
Unknown
Screen size
  • 5.5" inch
  • 5.2" inch
Screen resolution
  • 1080 x 1920 px
  • 1440 x 2560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16/32/64 GB
  • 2/4 GB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 512 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 2840 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.0 (Lollipop)
  • upgradable to 6.0 (Marshmallow)
  • Android 5.2 (Lollipop)
  • upgradable to 6 (Marshmallow); Sense UI 7
Chipset
  • Intel Atom Z3580 (4 GB RAM model) -Intel Atom Z3560 (2 GB RAM model)
  • Mediatek MT6795 Helio X10 (28 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone 2 ZE551ML, One ME.
SpecificationZenfone 2 ZE551MLOne ME
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 74.5 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 70.8%
  • 68.6%
PPI /points per inch/
  • 401 PPI
  • 565 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Zenfone 2 ZE551ML, One ME.
SpecificationZenfone 2 ZE551MLOne ME
Rear camera, main
  • 13 MP
  • Single
  • 20 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • f/2.0
  • 20 MP
  • f/2.2
  • 28mm (wide)
  • AF
Functions
  • Dual-LED dual-tone flash
  • panorama
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 4 MP
  • Single
Specifications
  • 5 MP
  • f/2.0
  • 4 MP
  • f/2.0
  • 27mm (wide)
  • 1/3''
  • 2µm
Performance

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

Performance — specifications for Zenfone 2 ZE551ML, One ME.
SpecificationZenfone 2 ZE551MLOne ME
Processor CPU
  • Quad-core 2.3 GHz (4 GB RAM model) -Quad-core 1.8 GHz (2 GB RAM model)
  • Octa-core 2.2 GHz Cortex-A53
Graphics processor GPU
  • PowerVR G6430
  • PowerVR G6200
Antutu 7 score *
  • 50232
  • 51326
GeekBench 4 Single Core * Unknown
  • 789
GeekBench 4 Multi-Core * Unknown
  • 2041
GeekBench 4 RenderScript * Unknown
  • 663
General specs
General specs — specifications for Zenfone 2 ZE551ML, One ME.
SpecificationZenfone 2 ZE551MLOne ME
Release date
  • 2015
  • January
  • 2015
  • June
Colors
  • Osmium Black
  • Sheer Gold
  • Glacier Gray
  • Glamor Red
  • Ceramic White
  • Meteor Grey
  • Rose Gold
  • Gold Sepia
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
  • 340 EUR
Battery life Unknown
  • Stand by time- Up to 598 h (2G) / Up to 626 h (3G) Talking time- Up to 23 h (2G) / Up to 13 h (3G)
Body build
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone 2 ZE551ML, One ME.
SpecificationZenfone 2 ZE551MLOne ME
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • 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 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
  • 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)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 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
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.1
  • A2DP
  • aptX
Harmful irradiation
  • SAR EU - 0.35 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Zenfone 2 ZE551ML, One ME.
SpecificationZenfone 2 ZE551MLOne ME
Radio
  • FM radio
  • RDS
  • FM radio
Others Unknown
  • Dolby Surround audio enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Zenfone 2 ZE551ML, One ME.
SpecificationZenfone 2 ZE551MLOne ME
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 60% in 40 min
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port