Asus Zenfone Selfie ZD551KL vs BLU Dash X2

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.

  • Width

    Dash X2: 4.1 mm narrower

    Zenfone Selfie ZD551KL:
    77.2 mm
    Dash X2:
    73.1 mm
  • Screen diagonal

    Dash X2: 0.5 in smaller diagonal

    Zenfone Selfie ZD551KL:
    5.5 in
    Dash X2:
    5 in
  • Depth

    Dash X2: 1.1 mm thinner

    Zenfone Selfie ZD551KL:
    10.8 mm
    Dash X2:
    9.7 mm
  • Height

    Dash X2: 11.5 mm shorter

    Zenfone Selfie ZD551KL:
    156.5 mm
    Dash X2:
    145 mm
  • Release year

    Zenfone Selfie ZD551KL:
    2015
    Dash X2:
    2016

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 +11.5 mm versus Dash X2
    Width:
    77.2 mm +4.1 mm versus Dash X2
    Depth:
    10.8 mm +1.1 mm versus Dash X2
  2. 2. Dash X2

    Height:
    145 mm
    Width:
    73.1 mm
    Depth:
    9.7 mm

Weight

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

  1. 1. Zenfone Selfie ZD551KL

    170 g

  2. 2. Dash X2

    174 g

    +4 g versus Zenfone Selfie ZD551KL

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. Dash X2

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

Zenfone Selfie ZD551KL has approximately 21% more rectangular screen area than Dash X2.

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, Dash X2, compared at the same storage capacity.
StorageZenfone Selfie ZD551KLDash X2
8 GB Unknown 1 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. Dash X2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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

    +1000 mAh versus Dash X2

  2. 2. Dash X2

    2000 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. Dash X2

Everyday essentials
Everyday essentials — specifications for Zenfone Selfie ZD551KL, Dash X2.
SpecificationZenfone Selfie ZD551KLDash X2
Dimensions (HxWxD)
  • 156.5 Х 77.2 Х 10.8 mm
  • 145 Х 73.1 Х 9.7 mm
Weight
  • 170 g
  • 174 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5" 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 GB
  • 2/3 GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 64 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Removable Li-Po
  • 2000 mAh
  • Removable Li-Po
Operating system OS
  • Android 5.0 (Lollipop)
  • upgradable to 6.0 (Marshmallow); ZenUI
  • Android 6.0 (Marshmallow)
Chipset
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone Selfie ZD551KL, Dash X2.
SpecificationZenfone Selfie ZD551KLDash X2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 82.6 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 68.3%
  • 65.0%
PPI /points per inch/
  • 403 PPI
  • 294 PPI
Screen protection
  • Corning Gorilla Glass 4
  • oleophobic coating
Unknown
Camera and Video
Camera and Video — specifications for Zenfone Selfie ZD551KL, Dash X2.
SpecificationZenfone Selfie ZD551KLDash X2
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 28mm (wide)
  • 1/3''
  • laser AF
  • 8 MP
  • AF
Functions
  • Dual-LED dual-tone flash
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 13 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 13 MP
  • f/2.2
  • AF
  • 5 MP
Performance

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

Performance — specifications for Zenfone Selfie ZD551KL, Dash X2.
SpecificationZenfone Selfie ZD551KLDash X2
Processor CPU
  • Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Adreno 405
  • Mali-400
GeekBench 4 Single Core *
  • 582
  • 417
GeekBench 4 Multi-Core *
  • 1610
  • 1182
GeekBench 4 RenderScript *
  • 1670
Unknown
General specs
General specs — specifications for Zenfone Selfie ZD551KL, Dash X2.
SpecificationZenfone Selfie ZD551KLDash X2
Release date
  • 2015
  • June
  • 2016
  • April
Colors
  • Pure White
  • Chic Pink
  • Aqua Blue
  • Black
  • Gold
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 280 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 750 h (2G) / Up to 700 h (3G) Talking time- Up to 25 h (2G) / Up to 14 h (3G)
Body build
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone Selfie ZD551KL, Dash X2.
SpecificationZenfone Selfie ZD551KLDash X2
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Micro-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 -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 - 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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Zenfone Selfie ZD551KL, Dash X2.
SpecificationZenfone Selfie ZD551KLDash X2
Radio
  • FM radio
  • RDS
  • Stereo FM radio
Other features
Other features — specifications for Zenfone Selfie ZD551KL, Dash X2.
SpecificationZenfone Selfie ZD551KLDash X2
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity