Asus Zenfone Selfie ZD551KL vs Sharp Aquos Zero

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.

  • Display technology

    OLED versus LCD

    Zenfone Selfie ZD551KL:
    LCD
    Aquos Zero:
    OLED
  • Weight

    Aquos Zero: 24 g lighter

    Zenfone Selfie ZD551KL:
    170 g
    Aquos Zero:
    146 g
  • Width

    Aquos Zero: 4.2 mm narrower

    Zenfone Selfie ZD551KL:
    77.2 mm
    Aquos Zero:
    73 mm
  • Screen diagonal

    Zenfone Selfie ZD551KL: 0.7 in smaller diagonal

    Zenfone Selfie ZD551KL:
    5.5 in
    Aquos Zero:
    6.2 in
  • Chipset

    Zenfone Selfie ZD551KL:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
    Aquos Zero:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Depth

    Aquos Zero: 2 mm thinner

    Zenfone Selfie ZD551KL:
    10.8 mm
    Aquos Zero:
    8.8 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 Selfie ZD551KL

    Height:
    156.5 mm +2.5 mm versus Aquos Zero
    Width:
    77.2 mm +4.2 mm versus Aquos Zero
    Depth:
    10.8 mm +2 mm versus Aquos Zero
  2. 2. Aquos Zero

    Height:
    154 mm
    Width:
    73 mm
    Depth:
    8.8 mm

Weight

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

  1. 1. Zenfone Selfie ZD551KL

    170 g

    +24 g versus Aquos Zero

  2. 2. Aquos Zero

    146 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 Selfie ZD551KL

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

    Screen diagonal:
    6.2 in
    Aspect ratio (height:width):
    18.7:9
    Approximate rectangular screen area:
    96.9 cm²

Aquos Zero has approximately 16.2% more rectangular screen area than Zenfone Selfie ZD551KL.

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 Selfie ZD551KL, Aquos Zero, compared at the same storage capacity.
StorageZenfone Selfie ZD551KLAquos Zero
128 GB Unknown 6 GB RAM
Zenfone Selfie ZD551KL: Original memory entry

16/32 GB · 2/3 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 Selfie ZD551KL

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

2. Aquos Zero

NFC:
Yes
Headphone jack:
No
Memory card support:
No

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 Selfie ZD551KL

    3000 mAh

  2. 2. Aquos Zero

    3130 mAh

    +130 mAh versus Zenfone Selfie ZD551KL

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 Selfie ZD551KL2. Aquos Zero

Everyday essentials
Everyday essentials — specifications for Zenfone Selfie ZD551KL, Aquos Zero.
SpecificationZenfone Selfie ZD551KLAquos Zero
Dimensions (HxWxD)
  • 156.5 Х 77.2 Х 10.8 mm
  • 154 Х 73 Х 8.8 mm
Weight
  • 170 g
  • 146 g
Technology
  • IPS LCD
  • OLED
Screen size
  • 5.5" inch
  • 6.2" inch
Screen resolution
  • 1080 x 1920 px
  • 1440 x 2992 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16/32 GB
  • 2/3 GB RAM
  • 128 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Removable Li-Po
  • 3130 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 5.0 (Lollipop)
  • upgradable to 6.0 (Marshmallow); ZenUI
  • Android 9.0 (Pie)
Chipset
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for Zenfone Selfie ZD551KL, Aquos Zero.
SpecificationZenfone Selfie ZD551KLAquos Zero
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 82.6 cm2
  • 96.9 cm2
Screen format
  • 16:9 (height:width)
  • 18.7:9 (height:width)
Screen to body ratio
  • 68.3%
  • 86.2%
PPI /points per inch/
  • 403 PPI
  • 536 PPI
Screen protection
  • Corning Gorilla Glass 4
  • oleophobic coating
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Zenfone Selfie ZD551KL, Aquos Zero.
SpecificationZenfone Selfie ZD551KLAquos Zero
Rear camera, main
  • 13 MP
  • Single
  • 22.6 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 28mm (wide)
  • 1/3''
  • laser AF
  • 22.6 MP
  • f/1.9
  • 22 mm
  • PDAF
  • OIS
Functions
  • Dual-LED dual-tone flash
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 13 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 13 MP
  • f/2.2
  • AF
  • 8 MP
  • f/2.2
  • 23 mm
Performance

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

Performance — specifications for Zenfone Selfie ZD551KL, Aquos Zero.
SpecificationZenfone Selfie ZD551KLAquos Zero
Processor CPU
  • Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
  • Octa-core (4x2.6 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Graphics processor GPU
  • Adreno 405
  • Adreno 630
Antutu 7 score * Unknown
  • 275122
GeekBench 4 Single Core *
  • 582
Unknown
GeekBench 4 Multi-Core *
  • 1610
Unknown
GeekBench 4 RenderScript *
  • 1670
Unknown
General specs
General specs — specifications for Zenfone Selfie ZD551KL, Aquos Zero.
SpecificationZenfone Selfie ZD551KLAquos Zero
Release date
  • 2015
  • June
  • 2019
  • January
Colors
  • Pure White
  • Chic Pink
  • Aqua Blue
  • Meteorite black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 280 EUR
  • 600 EUR
Body build
  • plastic body
  • Front glass
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone Selfie ZD551KL, Aquos Zero.
SpecificationZenfone Selfie ZD551KLAquos Zero
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Nano-SIM
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)
  • 2(1900)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800) - Global LTE band 1(2100)
  • 6(900)
  • 9(1800)
  • 18(800)
  • 19(800)
  • 28(700) - Taiwan LTE band 1(2100)
  • 4(1700/2100)
  • 17(700)
  • 20(800) - USA LTE band 1(2100)
  • 3(1800) - India
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 28(700)
  • 38(2600)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat15 1024/50 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
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • QZSS
USB
  • microUSB 2.0
  • USB Host
  • 2.0
  • Type-C 1.0 reversible connector (PowerDelivery 2.0)
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Zenfone Selfie ZD551KL, Aquos Zero.
SpecificationZenfone Selfie ZD551KLAquos Zero
Radio
  • FM radio
  • RDS
  • No
Others Unknown
  • DCI-P3 -HDR 10 -Dolby Vision
  • Active noise cancellation with dedicated mic -24-bit/192kHz audio -Dolby Atmos
Other features
Other features — specifications for Zenfone Selfie ZD551KL, Aquos Zero.
SpecificationZenfone Selfie ZD551KLAquos Zero
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging - IP68 dust/water proof (up to 1.5m for 30 mins)