Apple iPhone vs Asus Zenfone 4 Pro ZS551KL

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.

Not enough comparable data or meaningful differences for automatic highlights. Check the recorded specifications below.

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. iPhone

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

  2. 2. Zenfone 4 Pro ZS551KL

    Height:
    156.9 mm
    Width:
    75.6 mm
    Depth:
    7.6 mm
    Weight:
    175 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. iPhone

    iPhone: Screen geometry unavailable or conflicting.

  2. 2. Zenfone 4 Pro ZS551KL

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

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 iPhone, Zenfone 4 Pro ZS551KL, compared at the same storage capacity.
StorageiPhoneZenfone 4 Pro ZS551KL
64 GB Unknown 6 GB RAM
128 GB Unknown 6 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. iPhone

NFC:
Unknown
Headphone jack:
Unknown
Memory card support:
Unknown

2. Zenfone 4 Pro ZS551KL

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

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. iPhone2. Zenfone 4 Pro ZS551KL

Everyday essentials
Everyday essentials — specifications for iPhone, Zenfone 4 Pro ZS551KL.
SpecificationiPhoneZenfone 4 Pro ZS551KL
Dimensions (HxWxD) Unknown
  • 156.9 Х 75.6 Х 7.6 mm
Weight Unknown
  • 175 g
Technology Unknown
  • AMOLED
Screen size Unknown
  • 5.5" inch
Screen resolution Unknown
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 64/128 GB
  • 6 GB RAM
Memory card support Unknown
  • microSD
  • up to 512 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied. Unknown
  • 3600 mAh
  • Non-removable Li-Ion
Operating system OS Unknown
  • Android 7.1.1 (Nougat)
  • upgradable to Android 8 (Oreo); ZenUI 4
Chipset Unknown
  • Qualcomm MSM8998 Snapdragon 835 (10 nm)
NFC Unknown
  • Yes
Headphone jack Unknown
  • Yes
Display
Display — specifications for iPhone, Zenfone 4 Pro ZS551KL.
SpecificationiPhoneZenfone 4 Pro ZS551KL
Touchscreen Unknown
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area Unknown
  • 83.4 cm2
Screen format Unknown
  • 16:9 (height:width)
Screen to body ratio Unknown
  • 70.3%
PPI /points per inch/ Unknown
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for iPhone, Zenfone 4 Pro ZS551KL.
SpecificationiPhoneZenfone 4 Pro ZS551KL
Rear camera, main Unknown
  • 12 MP
  • Dual
Camera specs Unknown
  • 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
Functions Unknown
  • HDR
Video Unknown
  • 1080p@30fps
Front camera, selfie Unknown
  • 8 MP
  • Single
Specifications Unknown
  • 8 MP
  • f/1.9
  • 1/3.2''
  • 22mm (wide)
  • 1.4µm
  • PDAF
Performance
Performance — specifications for iPhone, Zenfone 4 Pro ZS551KL.
SpecificationiPhoneZenfone 4 Pro ZS551KL
Processor CPU Unknown
  • Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
Graphics processor GPU Unknown
  • Adreno 540
General specs
General specs — specifications for iPhone, Zenfone 4 Pro ZS551KL.
SpecificationiPhoneZenfone 4 Pro ZS551KL
Release date Unknown
  • 2017
  • August
Colors Unknown
  • Moonlight White
  • Pure Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 390 EUR
Battery life Unknown
  • Talking time- Up to 27 h 30 min (3G)
Body build Unknown
  • Front/back glass (Gorilla Glass 5) & aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for iPhone, Zenfone 4 Pro ZS551KL.
SpecificationiPhoneZenfone 4 Pro ZS551KL
SIM card Unknown
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • 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
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat12 600/150 or 100 Mbps
GPRS Unknown
  • Yes
Edge Unknown
  • Yes
Wi-Fi Unknown
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS Unknown
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
USB Unknown
  • Type-C 1.0 reversible connector
Bluetooth Unknown
  • 5.0
  • A2DP
  • EDR
  • LE
  • aptX
Music and Audio
Music and Audio — specifications for iPhone, Zenfone 4 Pro ZS551KL.
SpecificationiPhoneZenfone 4 Pro ZS551KL
Radio Unknown
  • FM radio
Others Unknown
  • 24-bit/192kHz audio -DTS sound -Active noise cancellation with dedicated mic
Other features
Other features — specifications for iPhone, Zenfone 4 Pro ZS551KL.
SpecificationiPhoneZenfone 4 Pro ZS551KL
Dop Unknown
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • color spectrum
  • Infrared port - Fast battery charging: 50% in 32 min