Asus Zenfone 2 ZE551ML vs Xolo Opus HD

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.

  • Width

    Opus HD: 6.2 mm narrower

    Zenfone 2 ZE551ML:
    77.2 mm
    Opus HD:
    71 mm
  • Screen diagonal

    Opus HD: 0.51 in smaller diagonal

    Zenfone 2 ZE551ML:
    5.5 in
    Opus HD:
    4.99 in
  • Depth

    Opus HD: 3 mm thinner

    Zenfone 2 ZE551ML:
    10.9 mm
    Opus HD:
    7.9 mm
  • Height

    Opus HD: 9.5 mm shorter

    Zenfone 2 ZE551ML:
    152.5 mm
    Opus HD:
    143 mm
  • Release year

    Zenfone 2 ZE551ML:
    2015
    Opus HD:
    2014

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 +9.5 mm versus Opus HD
    Width:
    77.2 mm +6.2 mm versus Opus HD
    Depth:
    10.9 mm +3 mm versus Opus HD
    Weight:
    170 g
  2. 2. Opus HD

    Height:
    143 mm
    Width:
    71 mm
    Depth:
    7.9 mm
    Weight:
    Unknown

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. Opus HD

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

Zenfone 2 ZE551ML has approximately 21.5% more rectangular screen area than Opus HD.

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, Opus HD, compared at the same storage capacity.
StorageZenfone 2 ZE551MLOpus HD
8 GB Unknown 1 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. Opus HD

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. Zenfone 2 ZE551ML

    3000 mAh

    +500 mAh versus Opus HD

  2. 2. Opus HD

    2500 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. Opus HD

Everyday essentials
Everyday essentials — specifications for Zenfone 2 ZE551ML, Opus HD.
SpecificationZenfone 2 ZE551MLOpus HD
Dimensions (HxWxD)
  • 152.5 Х 77.2 Х 10.9 mm
  • 143 Х 71 Х 7.9 mm
Weight
  • 170 g
  • 0 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 4.99" inch
Screen resolution
  • 1080 x 1920 px
  • 720 x 1280 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
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 2500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.0 (Lollipop)
  • upgradable to 6.0 (Marshmallow)
  • Android 4.4.2 (KitKat)
Chipset
  • Intel Atom Z3580 (4 GB RAM model) -Intel Atom Z3560 (2 GB RAM model)
  • Broadcom BCM23550
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone 2 ZE551ML, Opus HD.
SpecificationZenfone 2 ZE551MLOpus HD
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 83.4 cm2
  • 68.6 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 70.8%
  • 67.6%
PPI /points per inch/
  • 401 PPI
  • 294 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Zenfone 2 ZE551ML, Opus HD.
SpecificationZenfone 2 ZE551MLOpus HD
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • f/2.0
  • 8 MP
  • AF
Functions
  • Dual-LED dual-tone flash
  • panorama
  • HDR
  • LED flash
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 5 MP
  • f/2.0
  • 2 MP
Performance

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

Performance — specifications for Zenfone 2 ZE551ML, Opus HD.
SpecificationZenfone 2 ZE551MLOpus HD
Processor CPU
  • Quad-core 2.3 GHz (4 GB RAM model) -Quad-core 1.8 GHz (2 GB RAM model)
  • Quad-core 1.2 GHz
Graphics processor GPU
  • PowerVR G6430
  • Broadcom VideoCore IV
Antutu 7 score *
  • 50232
  • 5687
General specs
General specs — specifications for Zenfone 2 ZE551ML, Opus HD.
SpecificationZenfone 2 ZE551MLOpus HD
Release date
  • 2015
  • January
  • 2014
Colors
  • Osmium Black
  • Sheer Gold
  • Glacier Gray
  • Glamor Red
  • Ceramic White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
  • 120 EUR
Battery life Unknown
  • Stand by time- Up to 600 h (2G) / Up to 500 h (3G) Talking time- Up to 28 h (2G) / Up to 9 h (3G)
Body build
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone 2 ZE551ML, Opus HD.
SpecificationZenfone 2 ZE551MLOpus HD
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM
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
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 21.1/5.76 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 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.35 W/kg (head)
  • SAR - 0.52 W/kg (head) 0.60 W/kg (body)
Music and Audio
Music and Audio — specifications for Zenfone 2 ZE551ML, Opus HD.
SpecificationZenfone 2 ZE551MLOpus HD
Radio
  • FM radio
  • RDS
  • FM radio
Other features
Other features — specifications for Zenfone 2 ZE551ML, Opus HD.
SpecificationZenfone 2 ZE551MLOpus HD
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 60% in 40 min
  • Sensors Accelerometer
  • proximity - For India