Acer Liquid E2 vs Asus Zenfone Selfie ZD551KL

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

    Liquid E2: 30 g lighter

    Liquid E2:
    140 g
    Zenfone Selfie ZD551KL:
    170 g
  • Width

    Liquid E2: 9.2 mm narrower

    Liquid E2:
    68 mm
    Zenfone Selfie ZD551KL:
    77.2 mm
  • Screen diagonal

    Liquid E2: 1 in smaller diagonal

    Liquid E2:
    4.5 in
    Zenfone Selfie ZD551KL:
    5.5 in
  • Chipset

    Liquid E2:
    Mediatek MT6589 (28 nm)
    Zenfone Selfie ZD551KL:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Depth

    Liquid E2: 0.9 mm thinner

    Liquid E2:
    9.9 mm
    Zenfone Selfie ZD551KL:
    10.8 mm
  • Height

    Liquid E2: 25.5 mm shorter

    Liquid E2:
    131 mm
    Zenfone Selfie ZD551KL:
    156.5 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. Liquid E2

    Height:
    131 mm
    Width:
    68 mm
    Depth:
    9.9 mm
  2. 2. Zenfone Selfie ZD551KL

    Height:
    156.5 mm +25.5 mm versus Liquid E2
    Width:
    77.2 mm +9.2 mm versus Liquid E2
    Depth:
    10.8 mm +0.9 mm versus Liquid E2

Weight

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

  1. 1. Liquid E2

    140 g

  2. 2. Zenfone Selfie ZD551KL

    170 g

    +30 g versus Liquid E2

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. Liquid E2

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. Zenfone Selfie ZD551KL

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

Zenfone Selfie ZD551KL has approximately 49.4% more rectangular screen area than Liquid E2.

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 Liquid E2, Zenfone Selfie ZD551KL, compared at the same storage capacity.
StorageLiquid E2Zenfone Selfie ZD551KL
4 GB 1 GB RAM Unknown
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. Liquid E2

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. Zenfone Selfie ZD551KL

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Liquid E2

    2000 mAh

  2. 2. Zenfone Selfie ZD551KL

    3000 mAh

    +1000 mAh versus Liquid E2

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. Liquid E22. Zenfone Selfie ZD551KL

Everyday essentials
Everyday essentials — specifications for Liquid E2, Zenfone Selfie ZD551KL.
SpecificationLiquid E2Zenfone Selfie ZD551KL
Dimensions (HxWxD)
  • 131 Х 68 Х 9.9 mm
  • 156.5 Х 77.2 Х 10.8 mm
Weight
  • 140 g
  • 170 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.5" inch
  • 5.5" inch
Screen resolution
  • 540 x 960 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 1 GB RAM
  • 16/32 GB
  • 2/3 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Removable Li-Ion
  • 3000 mAh
  • Removable Li-Po
Operating system OS
  • Android 4.2.1 (Jelly Bean)
  • Android 5.0 (Lollipop)
  • upgradable to 6.0 (Marshmallow); ZenUI
Chipset
  • Mediatek MT6589 (28 nm)
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Liquid E2, Zenfone Selfie ZD551KL.
SpecificationLiquid E2Zenfone Selfie ZD551KL
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 82.6 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 62.7%
  • 68.3%
PPI /points per inch/
  • 245 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 4
  • oleophobic coating
Camera and Video
Camera and Video — specifications for Liquid E2, Zenfone Selfie ZD551KL.
SpecificationLiquid E2Zenfone Selfie ZD551KL
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 13 MP
  • f/2.0
  • 28mm (wide)
  • 1/3''
  • laser AF
Functions
  • Dual-LED flash
  • Dual-LED dual-tone flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 2 MP
  • 13 MP
  • f/2.2
  • AF
Performance

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

Performance — specifications for Liquid E2, Zenfone Selfie ZD551KL.
SpecificationLiquid E2Zenfone Selfie ZD551KL
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU
  • PowerVR SGX544
  • Adreno 405
Antutu 7 score *
  • 14005
Unknown
GeekBench 4 Single Core *
  • 2870 mAh
  • 582
GeekBench 4 Multi-Core *
  • 1036
  • 1610
GeekBench 4 RenderScript * Unknown
  • 1670
General specs
General specs — specifications for Liquid E2, Zenfone Selfie ZD551KL.
SpecificationLiquid E2Zenfone Selfie ZD551KL
Release date
  • 2013
  • April
  • 2015
  • June
Colors
  • Black
  • White
  • Pure White
  • Chic Pink
  • Aqua Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
  • 280 EUR
Battery life
  • Stand by time- Up to 450 h Talking time- Up to 9 h
Unknown
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Liquid E2, Zenfone Selfie ZD551KL.
SpecificationLiquid E2Zenfone Selfie ZD551KL
SIM card
  • Single SIM (Micro-SIM)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 (dual-SIM model only)-3G - HSDPA-4G - LTE
  • 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
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 3.0
  • A2DP
  • EDR
  • 4.0
  • A2DP
  • EDR
Harmful irradiation
  • SAR EU - 0.23 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Liquid E2, Zenfone Selfie ZD551KL.
SpecificationLiquid E2Zenfone Selfie ZD551KL
Radio
  • FM radio
  • FM radio
  • RDS
Others
  • DTS sound -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Liquid E2, Zenfone Selfie ZD551KL.
SpecificationLiquid E2Zenfone Selfie ZD551KL
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Also known as Acer Liquid E2 Duo with dual-SIM card slots
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass