Asus Zenfone 4 Pro ZS551KL vs Nokia E63

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

    E63: 49 g lighter

    Zenfone 4 Pro ZS551KL:
    175 g
    E63:
    126 g
  • Width

    E63: 16.6 mm narrower

    Zenfone 4 Pro ZS551KL:
    75.6 mm
    E63:
    59 mm
  • Screen diagonal

    E63: 3.14 in smaller diagonal

    Zenfone 4 Pro ZS551KL:
    5.5 in
    E63:
    2.36 in
  • Rear camera layout

    Zenfone 4 Pro ZS551KL:
    Dual
    E63:
    Single
  • Depth

    Zenfone 4 Pro ZS551KL: 5.4 mm thinner

    Zenfone 4 Pro ZS551KL:
    7.6 mm
    E63:
    13 mm
  • Height

    E63: 43.9 mm shorter

    Zenfone 4 Pro ZS551KL:
    156.9 mm
    E63:
    113 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 4 Pro ZS551KL

    Height:
    156.9 mm +43.9 mm versus E63
    Width:
    75.6 mm +16.6 mm versus E63
    Depth:
    7.6 mm
  2. 2. E63

    Height:
    113 mm
    Width:
    59 mm
    Depth:
    13 mm +5.4 mm versus Zenfone 4 Pro ZS551KL

Weight

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

  1. 1. Zenfone 4 Pro ZS551KL

    175 g

    +49 g versus E63

  2. 2. E63

    126 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 4 Pro ZS551KL

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. E63

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

Zenfone 4 Pro ZS551KL has approximately 383.5% more rectangular screen area than E63.

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 4 Pro ZS551KL, E63, compared at the same storage capacity.
StorageZenfone 4 Pro ZS551KLE63
64 GB 6 GB RAM Unknown
128 GB 6 GB RAM Unknown
E63: Original memory entry

120 MB

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 4 Pro ZS551KL

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 slot)

2. E63

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 16 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. Zenfone 4 Pro ZS551KL

    3600 mAh

    +2100 mAh versus E63

  2. 2. E63

    1500 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 4 Pro ZS551KL2. E63

Everyday essentials
Everyday essentials — specifications for Zenfone 4 Pro ZS551KL, E63.
SpecificationZenfone 4 Pro ZS551KLE63
Dimensions (HxWxD)
  • 156.9 Х 75.6 Х 7.6 mm
  • 113 Х 59 Х 13 mm
Weight
  • 175 g
  • 126 g
Technology
  • AMOLED
  • TFT
Screen size
  • 5.5" inch
  • 2.36" inch
Screen resolution
  • 1080 x 1920 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128 GB
  • 6 GB RAM
  • 120 MB
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3600 mAh
  • Non-removable Li-Ion
  • 1500 mAh
  • Removable Li-Po
Operating system OS
  • Android 7.1.1 (Nougat)
  • upgradable to Android 8 (Oreo); ZenUI 4
  • Symbian OS 9.2
  • Series 60 v3.1 UI
Chipset
  • Qualcomm MSM8998 Snapdragon 835 (10 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone 4 Pro ZS551KL, E63.
SpecificationZenfone 4 Pro ZS551KLE63
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 17.2 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 70.3%
  • 25.9%
PPI /points per inch/
  • 401 PPI
  • 169 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for Zenfone 4 Pro ZS551KL, E63.
SpecificationZenfone 4 Pro ZS551KLE63
Rear camera, main
  • 12 MP
  • Dual
  • 2 MP
  • Single
Camera specs
  • 12 MP
  • f/1.7
  • 25mm (wide)
  • 1/2.55''
  • 1.4µm
  • 4-axis OIS
  • dual pixel PDAF & laser AF -16 MP
  • 50mm (telephoto)
  • 1/3.1''
  • 1.0µm
  • 2x optical zoom
  • AF
  • 2 MP
Functions
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 320p@15fps
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • f/1.9
  • 1/3.2''
  • 22mm (wide)
  • 1.4µm
  • PDAF
Unknown
Performance
Performance — specifications for Zenfone 4 Pro ZS551KL, E63.
SpecificationZenfone 4 Pro ZS551KLE63
Processor CPU
  • Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
  • ARM 11 369 MHz
Graphics processor GPU
  • Adreno 540
Unknown
General specs
General specs — specifications for Zenfone 4 Pro ZS551KL, E63.
SpecificationZenfone 4 Pro ZS551KLE63
Release date
  • 2017
  • August
  • 2008
  • November
Colors
  • Moonlight White
  • Pure Black
  • Ultramarine Blue
  • Ruby Red
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 390 EUR
  • 120 EUR
Battery life
  • Talking time- Up to 27 h 30 min (3G)
  • Stand by time- Up to 432 h (2G) / 480 h (3G) Talking time- Up to 11 h (2G) / 4 h 40 min (3G) Music play - Up to 18 h
Body build
  • Front/back glass (Gorilla Glass 5) & aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone 4 Pro ZS551KL, E63.
SpecificationZenfone 4 Pro ZS551KLE63
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 17(700)
  • 19(800)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - Global
  • Taiwan LTE band 1(2100)
  • 12(700)
  • 18(800)
  • 26(850)
  • 29(700)
  • 30(2300)
  • 41(2500) - US
  • Canada
  • Brazil LTE band 1(2100)
  • 41(2500) - India
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat12 600/150 or 100 Mbps
  • Yes
  • 384 kbps
GPRS
  • Yes
  • Class 32
  • 100 kbps
Edge
  • Yes
  • Class 32
  • 296 kbps
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • No
USB
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • EDR
  • LE
  • aptX
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.06 W/kg (head) 0.62 W/kg (body) SAR EU - 1.03 W/kg (head)
Music and Audio
Music and Audio — specifications for Zenfone 4 Pro ZS551KL, E63.
SpecificationZenfone 4 Pro ZS551KLE63
Radio
  • FM radio
  • FM radio
Others
  • 24-bit/192kHz audio -DTS sound -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Zenfone 4 Pro ZS551KL, E63.
SpecificationZenfone 4 Pro ZS551KLE63
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • color spectrum
  • Infrared port - Fast battery charging: 50% in 32 min
  • WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document editor (Word
  • Excel
  • PowerPoint
  • PDF) incl. MS Office 2007 support via free update -Push to talk -Voice command/dial -Organizer -Printing