Asus Zenfone Selfie ZD551KL vs Celkon A355

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

    A355: 72.5 g lighter

    Zenfone Selfie ZD551KL:
    170 g
    A355:
    97.5 g
  • Width

    A355: 13.9 mm narrower

    Zenfone Selfie ZD551KL:
    77.2 mm
    A355:
    63.3 mm
  • Screen diagonal

    A355: 2 in smaller diagonal

    Zenfone Selfie ZD551KL:
    5.5 in
    A355:
    3.5 in
  • Chipset

    Zenfone Selfie ZD551KL:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
    A355:
    Spreadtrum 7715
  • Depth

    A355: 0.6 mm thinner

    Zenfone Selfie ZD551KL:
    10.8 mm
    A355:
    10.2 mm
  • Height

    A355: 41.2 mm shorter

    Zenfone Selfie ZD551KL:
    156.5 mm
    A355:
    115.3 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 +41.2 mm versus A355
    Width:
    77.2 mm +13.9 mm versus A355
    Depth:
    10.8 mm +0.6 mm versus A355
  2. 2. A355

    Height:
    115.3 mm
    Width:
    63.3 mm
    Depth:
    10.2 mm

Weight

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

  1. 1. Zenfone Selfie ZD551KL

    170 g

    +72.5 g versus A355

  2. 2. A355

    97.5 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. A355

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

Zenfone Selfie ZD551KL has approximately 128.6% more rectangular screen area than A355.

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.

Zenfone Selfie ZD551KL: Original memory entry

16/32 GB · 2/3 GB RAM

A355: Original memory entry

512 MB · 256 MB 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. A355

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 Selfie ZD551KL

    3000 mAh

    +1800 mAh versus A355

  2. 2. A355

    1200 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 Selfie ZD551KL2. A355

Everyday essentials
Everyday essentials — specifications for Zenfone Selfie ZD551KL, A355.
SpecificationZenfone Selfie ZD551KLA355
Dimensions (HxWxD)
  • 156.5 Х 77.2 Х 10.8 mm
  • 115.3 Х 63.3 Х 10.2 mm
Weight
  • 170 g
  • 97.5 g
Technology
  • IPS LCD
Unknown
Screen size
  • 5.5" inch
  • 3.5" inch
Screen resolution
  • 1080 x 1920 px
  • 320 x 480 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
  • 512 MB
  • 256 MB 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
  • Removable Li-Po
  • 1200 mAh
  • Li-Ion
Operating system OS
  • Android 5.0 (Lollipop)
  • upgradable to 6.0 (Marshmallow); ZenUI
  • Android 4.4.2 (KitKat)
Chipset
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Spreadtrum 7715
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone Selfie ZD551KL, A355.
SpecificationZenfone Selfie ZD551KLA355
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 82.6 cm2
  • 36.5 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 68.3%
  • 50.0%
PPI /points per inch/
  • 403 PPI
  • 165 PPI
Screen protection
  • Corning Gorilla Glass 4
  • oleophobic coating
Unknown
Camera and Video
Camera and Video — specifications for Zenfone Selfie ZD551KL, A355.
SpecificationZenfone Selfie ZD551KLA355
Rear camera, main
  • 13 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 28mm (wide)
  • 1/3''
  • laser AF
  • 2 MP
Functions
  • Dual-LED dual-tone flash
  • Dual-LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 13 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 13 MP
  • f/2.2
  • AF
  • VGA
Performance

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

Performance — specifications for Zenfone Selfie ZD551KL, A355.
SpecificationZenfone Selfie ZD551KLA355
Processor CPU
  • Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
  • 1.0 GHz
Graphics processor GPU
  • Adreno 405
  • Mali-400
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, A355.
SpecificationZenfone Selfie ZD551KLA355
Release date
  • 2015
  • June
  • 2015
  • May
Colors
  • Pure White
  • Chic Pink
  • Aqua Blue
  • Light Blue
  • Dart Blue
  • Red
  • Yellow
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 280 EUR
Unknown
Body build
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone Selfie ZD551KL, A355.
SpecificationZenfone Selfie ZD551KLA355
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 -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 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
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
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
USB
  • microUSB 2.0
  • USB Host
  • microUSB
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 2.0
Harmful irradiation Unknown
  • SAR EU - 0.49 W/kg (head) 0.84 W/kg (body)
Music and Audio
Music and Audio — specifications for Zenfone Selfie ZD551KL, A355.
SpecificationZenfone Selfie ZD551KLA355
Radio
  • FM radio
  • RDS
  • FM radio
Other features
Other features — specifications for Zenfone Selfie ZD551KL, A355.
SpecificationZenfone Selfie ZD551KLA355
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer