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Asus Zenfone 4 Pro ZS551KL vs Palm Pre Plus

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

      Pre Plus: 37 g lighter

      Zenfone 4 Pro ZS551KL:
      175 g
      Pre Plus:
      138 g

    • Width

      Pre Plus: 16.1 mm narrower

      Zenfone 4 Pro ZS551KL:
      75.6 mm
      Pre Plus:
      59.5 mm

    • Screen diagonal

      Pre Plus: 2.4 in smaller diagonal

      Zenfone 4 Pro ZS551KL:
      5.5 in
      Pre Plus:
      3.1 in

    • Rear camera layout

      Zenfone 4 Pro ZS551KL:
      Dual
      Pre Plus:
      Single

    • Depth

      Zenfone 4 Pro ZS551KL: 9.3 mm thinner

      Zenfone 4 Pro ZS551KL:
      7.6 mm
      Pre Plus:
      16.9 mm

    • Height

      Pre Plus: 56.4 mm shorter

      Zenfone 4 Pro ZS551KL:
      156.9 mm
      Pre Plus:
      100.5 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. Zenfone 4 Pro ZS551KL

      Height:
      156.9 mm +56.4 mm versus Pre Plus
      Width:
      75.6 mm +16.1 mm versus Pre Plus
      Depth:
      7.6 mm

    2. 2. Pre Plus

      Height:
      100.5 mm
      Width:
      59.5 mm
      Depth:
      16.9 mm +9.3 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

      +37 g versus Pre Plus

    2. 2. Pre Plus

      138 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. Pre Plus

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

    Zenfone 4 Pro ZS551KL has approximately 191.4% more rectangular screen area than Pre Plus.

    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, Pre Plus, compared at the same storage capacity.
    StorageZenfone 4 Pro ZS551KLPre Plus
    64 GB 6 GB RAM Unknown
    128 GB 6 GB RAM Unknown
    Pre Plus: Original memory entry

    16 GB · 512 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 4 Pro ZS551KL

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

    2. Pre Plus

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    No

    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

      +2450 mAh versus Pre Plus

    2. 2. Pre Plus

      1150 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. Pre Plus

    Everyday essentials
    Everyday essentials — specifications for Zenfone 4 Pro ZS551KL, Pre Plus.
    SpecificationZenfone 4 Pro ZS551KLPre Plus
    Dimensions (HxWxD)
    • 156.9 Х 75.6 Х 7.6 mm
    • 100.5 Х 59.5 Х 16.9 mm
    Weight
    • 175 g
    • 138 g
    Technology
    • AMOLED
    • TFT
    Screen size
    • 5.5" inch
    • 3.1" 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.
    • 64/128 GB
    • 6 GB RAM
    • 16 GB
    • 512 MB RAM
    Memory card support
    • microSD
    • up to 512 GB (uses SIM 2 slot)
    • No
    Battery Capacity is not battery life. No endurance test is implied.
    • 3600 mAh
    • Non-removable Li-Ion
    • 1150 mAh
    • Removable Li-Ion
    Operating system OS
    • Android 7.1.1 (Nougat)
    • upgradable to Android 8 (Oreo); ZenUI 4
    • Palm webOS 1.3.5
    Chipset
    • Qualcomm MSM8998 Snapdragon 835 (10 nm)
    		 Unknown
    NFC
    • Yes
    		 Unknown
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Zenfone 4 Pro ZS551KL, Pre Plus.
    SpecificationZenfone 4 Pro ZS551KLPre Plus
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 83.4 cm2
    • 28.6 cm2
    Screen format
    • 16:9 (height:width)
    • 3:2 (height:width)
    Screen to body ratio
    • 70.3%
    • 47.9%
    PPI /points per inch/
    • 401 PPI
    • 186 PPI
    Screen protection
    • Corning Gorilla Glass 5
    		 Unknown
    Camera and Video
    Camera and Video — specifications for Zenfone 4 Pro ZS551KL, Pre Plus.
    SpecificationZenfone 4 Pro ZS551KLPre Plus
    Rear camera, main
    • 12 MP
    • Dual
    • 3.15 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
    • 3.15 MP
    Functions
    • HDR
    • LED flash
    Video
    • 1080p@30fps
    • Yes
    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, Pre Plus.
    SpecificationZenfone 4 Pro ZS551KLPre Plus
    Processor CPU
    • Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
    • 600 MHz Cortex-A8
    Graphics processor GPU
    • Adreno 540
    • PowerVR SGX
    General specs
    General specs — specifications for Zenfone 4 Pro ZS551KL, Pre Plus.
    SpecificationZenfone 4 Pro ZS551KLPre Plus
    Release date
    • 2017
    • August
    • 2010
    • March
    Colors
    • Moonlight White
    • Pure Black
    • Black
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 390 EUR
    • 170 EUR
    Battery life
    • Talking time- Up to 27 h 30 min (3G)
    • Stand by time- Up to 350 h (2G) / - (3G) Talking time- Up to 4 h (2G) / Up to 4 h (3G)
    Body build
    • Front/back glass (Gorilla Glass 5) & aluminum frame
    		 Unknown
    Communication and Connectivity
    Communication and Connectivity — specifications for Zenfone 4 Pro ZS551KL, Pre Plus.
    SpecificationZenfone 4 Pro ZS551KLPre Plus
    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
    • HSPA 3.6/0.384 Mbps
    GPRS
    • Yes
    • Class 10
    Edge
    • Yes
    • Class 10
    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
    • Yes
    • with A-GPS
    USB
    • Type-C 1.0 reversible connector
    • microUSB 2.0
    Bluetooth
    • 5.0
    • A2DP
    • EDR
    • LE
    • aptX
    • 2.1
    • A2DP
    Music and Audio
    Music and Audio — specifications for Zenfone 4 Pro ZS551KL, Pre Plus.
    SpecificationZenfone 4 Pro ZS551KLPre Plus
    Radio
    • FM radio
    • No
    Others
    • 24-bit/192kHz audio -DTS sound -Active noise cancellation with dedicated mic
    		 Unknown
    Other features
    Other features — specifications for Zenfone 4 Pro ZS551KL, Pre Plus.
    SpecificationZenfone 4 Pro ZS551KLPre Plus
    Dop
    • Sensors Fingerprint (front-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass
    • color spectrum
    • Infrared port - Fast battery charging: 50% in 32 min
    • Sensors Accelerometer Wireless charging

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