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Apple iPhone SE vs Asus Zenfone 4 Pro ZS551KL

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.

    • Display technology

      OLED versus LCD

      iPhone SE:
      LCD
      Zenfone 4 Pro ZS551KL:
      OLED

    • Weight

      iPhone SE: 62 g lighter

      iPhone SE:
      113 g
      Zenfone 4 Pro ZS551KL:
      175 g

    • Width

      iPhone SE: 17 mm narrower

      iPhone SE:
      58.6 mm
      Zenfone 4 Pro ZS551KL:
      75.6 mm

    • Screen diagonal

      iPhone SE: 1.5 in smaller diagonal

      iPhone SE:
      4 in
      Zenfone 4 Pro ZS551KL:
      5.5 in

    • Memory variants

      At 64 GB storage

      iPhone SE:
      2 GB RAM
      Zenfone 4 Pro ZS551KL:
      6 GB RAM

    • Chipset

      iPhone SE:
      Apple A9 (14 nm)
      Zenfone 4 Pro ZS551KL:
      Qualcomm MSM8998 Snapdragon 835 (10 nm)

    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 SE

      Height:
      123.8 mm
      Width:
      58.6 mm
      Depth:
      7.6 mm

    2. 2. Zenfone 4 Pro ZS551KL

      Height:
      156.9 mm +33.1 mm versus iPhone SE
      Width:
      75.6 mm +17 mm versus iPhone SE
      Depth:
      7.6 mm

    Weight

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

    1. 1. iPhone SE

      113 g

    2. 2. Zenfone 4 Pro ZS551KL

      175 g

      +62 g versus iPhone SE

    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. iPhone SE

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

    2. 2. Zenfone 4 Pro ZS551KL

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

    Zenfone 4 Pro ZS551KL has approximately 89.1% more rectangular screen area than iPhone SE.

    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 SE, Zenfone 4 Pro ZS551KL, compared at the same storage capacity.
    StorageiPhone SEZenfone 4 Pro ZS551KL
    16 GB 2 GB RAM Not recorded
    32 GB 2 GB RAM Not recorded
    64 GB Recorded for all phones 2 GB RAM 6 GB RAM
    128 GB Recorded for all phones 2 GB RAM 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 SE

    NFC:
    See details Yes (Apple Pay only)
    Headphone jack:
    Yes
    Memory card support:
    No

    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.

    Recorded battery capacity

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

    1. 1. iPhone SE

      1624 mAh

    2. 2. Zenfone 4 Pro ZS551KL

      3600 mAh

      +1976 mAh versus iPhone SE

    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. iPhone SE2. Zenfone 4 Pro ZS551KL

    Everyday essentials
    Everyday essentials — specifications for iPhone SE, Zenfone 4 Pro ZS551KL.
    SpecificationiPhone SEZenfone 4 Pro ZS551KL
    Dimensions (HxWxD)
    • 123.8 Х 58.6 Х 7.6 mm
    • 156.9 Х 75.6 Х 7.6 mm
    Weight
    • 113 g
    • 175 g
    Technology
    • LED-backlit IPS LCD
    • AMOLED
    Screen size
    • 4" inch
    • 5.5" inch
    Screen resolution
    • 640 x 1136 px
    • 1080 x 1920 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 16/32/64/128 GB
    • 2 GB RAM
    • 64/128 GB
    • 6 GB RAM
    Memory card support
    • No
    • microSD
    • up to 512 GB (uses SIM 2 slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 1624 mAh
    • Non-removable Li-Po
    • 3600 mAh
    • Non-removable Li-Ion
    Operating system OS
    • iOS 9.3.2
    • upgradable to iOS 12.1.3
    • Android 7.1.1 (Nougat)
    • upgradable to Android 8 (Oreo); ZenUI 4
    Chipset
    • Apple A9 (14 nm)
    • Qualcomm MSM8998 Snapdragon 835 (10 nm)
    NFC
    • Yes (Apple Pay only)
    • Yes
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for iPhone SE, Zenfone 4 Pro ZS551KL.
    SpecificationiPhone SEZenfone 4 Pro ZS551KL
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 44.1 cm2
    • 83.4 cm2
    Screen format
    • 16:9 (height:width)
    • 16:9 (height:width)
    Screen to body ratio
    • 60.8%
    • 70.3%
    PPI /points per inch/
    • 326 PPI
    • 401 PPI
    Screen protection Unknown
    • Corning Gorilla Glass 5
    Camera and Video
    Camera and Video — specifications for iPhone SE, Zenfone 4 Pro ZS551KL.
    SpecificationiPhone SEZenfone 4 Pro ZS551KL
    Rear camera, main
    • 12 MP
    • Single
    • 12 MP
    • Dual
    Camera specs
    • 12 MP
    • f/2.2
    • 29mm (standard)
    • 1/3''
    • 1.22µm
    • PDAF
    • 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
    • Face detection
    • HDR
    • panorama
    • HDR
    Video
    • 720p@30fps
    • 1080p@30fps
    Front camera, selfie
    • 1.2 MP
    • Single
    • 8 MP
    • Single
    Specifications
    • 1.2 MP
    • f/2.4
    • 31mm (standard)
    • 8 MP
    • f/1.9
    • 1/3.2''
    • 22mm (wide)
    • 1.4µm
    • PDAF
    Performance

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

    Performance — specifications for iPhone SE, Zenfone 4 Pro ZS551KL.
    SpecificationiPhone SEZenfone 4 Pro ZS551KL
    Processor CPU
    • Dual-core 1.84 GHz Twister
    • Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
    Graphics processor GPU
    • PowerVR GT7600 (six-core graphics)
    • Adreno 540
    Antutu 7 score *
    • 131789
    		 Unknown
    Antutu 8 score *
    • 197349
    		 Unknown
    General specs
    General specs — specifications for iPhone SE, Zenfone 4 Pro ZS551KL.
    SpecificationiPhone SEZenfone 4 Pro ZS551KL
    Release date
    • 2016
    • March
    • 2017
    • August
    Colors
    • Space Gray
    • Silver
    • Gold
    • Rose Gold
    • Moonlight White
    • Pure Black
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 300 EUR
    • 390 EUR
    Battery life
    • Stand by time- Up to 240 h (2G) / Up to 240 h (3G) Talking time- Up to 14 h (3G) Music play - Up to 50 h
    • Talking time- Up to 27 h 30 min (3G)
    Body build
    • Front glass
    • aluminum body
    • Front/back glass (Gorilla Glass 5) & aluminum frame
    Communication and Connectivity
    Communication and Connectivity — specifications for iPhone SE, Zenfone 4 Pro ZS551KL.
    SpecificationiPhone SEZenfone 4 Pro ZS551KL
    SIM card
    • Nano-SIM
    • Hybrid Dual SIM (Nano-SIM
    • dual stand-by)
    Network
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - A1662
    • A1723 CDMA 800 / 1900 - A1662
    • A1723 -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - A1662
    • A1723 CDMA2000 1xEV-DO - A1662
    • A1723 TD‑SCDMA - A1723 -4G - LTE band 1(2100)
    • 2(1900)
    • 3(1800)
    • 4(1700/2100)
    • 5(850)
    • 8(900)
    • 12(700)
    • 13(700)
    • 17(700)
    • 18(800)
    • 19(800)
    • 20(800)
    • 25(1900)
    • 26(850)
    • 29(700) - A1662 LTE band 1(2100)
    • 7(2600)
    • 28(700)
    • 38(2600)
    • 39(1900)
    • 40(2300)
    • 41(2500) - A1723
    • 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
    • HSPA
    • LTE-A Cat4 150/50 Mbps
    • HSPA 42.2/5.76 Mbps
    • LTE-A (3CA) Cat12 600/150 or 100 Mbps
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 a/b/g/n/ac
    • hotspot
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • WiFi Direct
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • GLONASS
    • Yes
    • with A-GPS
    • GLONASS
    • BDS
    • GALILEO
    USB
    • 2.0
    • proprietary reversible connector
    • Type-C 1.0 reversible connector
    Bluetooth
    • 4.2
    • A2DP
    • LE
    • 5.0
    • A2DP
    • EDR
    • LE
    • aptX
    Harmful irradiation
    • SAR - 1.17 W/kg (head) 1.19 W/kg (body) SAR EU - 0.72 W/kg (head) 0.97 W/kg (body)
    		 Unknown
    Music and Audio
    Music and Audio — specifications for iPhone SE, Zenfone 4 Pro ZS551KL.
    SpecificationiPhone SEZenfone 4 Pro ZS551KL
    Radio
    • No
    • FM radio
    Others
    • 16-bit/44.1kHz audio -Active noise cancellation with dedicated mic
    • 24-bit/192kHz audio -DTS sound -Active noise cancellation with dedicated mic
    Other features
    Other features — specifications for iPhone SE, Zenfone 4 Pro ZS551KL.
    SpecificationiPhone SEZenfone 4 Pro ZS551KL
    Dop
    • Sensors Fingerprint (front-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass - Siri natural language commands and dictation - Apple Pay (Visa
    • MasterCard
    • AMEX certified) - Supported LTE Networks
    • Sensors Fingerprint (front-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass
    • color spectrum
    • Infrared port - Fast battery charging: 50% in 32 min

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