Asus Zenfone 3 ZE520KL vs Celkon A64

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

    A64: 18.4 g lighter

    Zenfone 3 ZE520KL:
    144 g
    A64:
    125.6 g
  • Width

    A64: 9 mm narrower

    Zenfone 3 ZE520KL:
    74 mm
    A64:
    65 mm
  • Screen diagonal

    A64: 1.2 in smaller diagonal

    Zenfone 3 ZE520KL:
    5.2 in
    A64:
    4 in
  • Depth

    Zenfone 3 ZE520KL: 2.8 mm thinner

    Zenfone 3 ZE520KL:
    7.7 mm
    A64:
    10.5 mm
  • Height

    A64: 22.9 mm shorter

    Zenfone 3 ZE520KL:
    146.9 mm
    A64:
    124 mm
  • Release year

    Zenfone 3 ZE520KL:
    2016
    A64:
    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 3 ZE520KL

    Height:
    146.9 mm +22.9 mm versus A64
    Width:
    74 mm +9 mm versus A64
    Depth:
    7.7 mm
  2. 2. A64

    Height:
    124 mm
    Width:
    65 mm
    Depth:
    10.5 mm +2.8 mm versus Zenfone 3 ZE520KL

Weight

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

  1. 1. Zenfone 3 ZE520KL

    144 g

    +18.4 g versus A64

  2. 2. A64

    125.6 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 3 ZE520KL

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    74.5 cm²
  2. 2. A64

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

Zenfone 3 ZE520KL has approximately 56.5% more rectangular screen area than A64.

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 3 ZE520KL: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB RAM

A64: 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 3 ZE520KL

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

2. A64

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 3 ZE520KL

    2600 mAh

    +1200 mAh versus A64

  2. 2. A64

    1400 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 3 ZE520KL2. A64

Everyday essentials
Everyday essentials — specifications for Zenfone 3 ZE520KL, A64.
SpecificationZenfone 3 ZE520KLA64
Dimensions (HxWxD)
  • 146.9 Х 74 Х 7.7 mm
  • 124 Х 65 Х 10.5 mm
Weight
  • 144 g
  • 125.6 g
Technology
  • Super IPS+
  • TFT
Screen size
  • 5.2" inch
  • 4" 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.
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
  • 512 MB
  • 256 MB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2600 mAh
  • Non-removable Li-Ion
  • 1400 mAh
  • Li-Ion
Operating system OS
  • Android 6.1 (Marshmallow)
  • upgradable to 7 (Nougat); ZenUI 3
  • Android 4.2.2 (Jelly Bean)
Chipset
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone 3 ZE520KL, A64.
SpecificationZenfone 3 ZE520KLA64
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 74.5 cm2
  • 47.6 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 68.6%
  • 59.1%
PPI /points per inch/
  • 424 PPI
  • 144 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Zenfone 3 ZE520KL, A64.
SpecificationZenfone 3 ZE520KLA64
Rear camera, main
  • 16 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 16 MP
  • f/2.0
  • 4-axis OIS
  • PDAF & laser AF
  • 2 MP
Functions
  • Dual-LED dual-tone flash
  • panorama
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • VGA
Performance

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

Performance — specifications for Zenfone 3 ZE520KL, A64.
SpecificationZenfone 3 ZE520KLA64
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Dual-core 1.2 GHz
Graphics processor GPU
  • Adreno 506
Unknown
Antutu 7 score *
  • 62789
Unknown
GeekBench 4 Single Core *
  • 853
Unknown
GeekBench 4 Multi-Core *
  • 4100
Unknown
General specs
General specs — specifications for Zenfone 3 ZE520KL, A64.
SpecificationZenfone 3 ZE520KLA64
Release date
  • 2016
  • July
  • 2014
Colors
  • Sapphire Black
  • Moonlight White
  • Shimmer Gold
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 280 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 150 h Talking time- Up to 8 h 20 min
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone 3 ZE520KL, A64.
SpecificationZenfone 3 ZE520KLA64
SIM card
  • Hybrid Dual SIM (Nano-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 / 800 - Taiwan HSDPA 850 / 900 / 1900 / 2100 - Global HSDPA 850 / 900 / 2100 - India HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Brazil -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 18(800)
  • 19(800)
  • 26(850)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - Taiwan LTE band 1(2100)
  • 40(2300) - India LTE band 1(2100)
  • 4(1700/2100)
  • 17(700)
  • 28(700) - Brazil
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps (Global) or LTE-A (2CA) Cat6 300/50 Mbps (TW/HK/SG/PH)
Unknown
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
  • BDS
  • Yes
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB
Bluetooth
  • 4.2
  • A2DP
  • EDR
  • LE
  • 2.0
Harmful irradiation Unknown
  • SAR EU - 0.42 W/kg (head) 0.55 W/kg (body)
Music and Audio
Music and Audio — specifications for Zenfone 3 ZE520KL, A64.
SpecificationZenfone 3 ZE520KLA64
Radio
  • FM radio
  • RDS
  • FM radio
Others
  • 24-bit/192kHz audio
Unknown
Other features
Other features — specifications for Zenfone 3 ZE520KL, A64.
SpecificationZenfone 3 ZE520KLA64
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer