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Asus Zenfone 4 Pro ZS551KL vs Dell Mini 3iX

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

      Mini 3iX: 67 g lighter

      Zenfone 4 Pro ZS551KL:
      175 g
      Mini 3iX:
      108 g

    • Width

      Mini 3iX: 15.7 mm narrower

      Zenfone 4 Pro ZS551KL:
      75.6 mm
      Mini 3iX:
      59.9 mm

    • Screen diagonal

      Mini 3iX: 2 in smaller diagonal

      Zenfone 4 Pro ZS551KL:
      5.5 in
      Mini 3iX:
      3.5 in

    • Rear camera layout

      Zenfone 4 Pro ZS551KL:
      Dual
      Mini 3iX:
      Single

    • Depth

      Zenfone 4 Pro ZS551KL: 4.1 mm thinner

      Zenfone 4 Pro ZS551KL:
      7.6 mm
      Mini 3iX:
      11.7 mm

    • Height

      Mini 3iX: 36.9 mm shorter

      Zenfone 4 Pro ZS551KL:
      156.9 mm
      Mini 3iX:
      120 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 +36.9 mm versus Mini 3iX
      Width:
      75.6 mm +15.7 mm versus Mini 3iX
      Depth:
      7.6 mm

    2. 2. Mini 3iX

      Height:
      120 mm
      Width:
      59.9 mm
      Depth:
      11.7 mm +4.1 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

      +67 g versus Mini 3iX

    2. 2. Mini 3iX

      108 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. Mini 3iX

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

    Zenfone 4 Pro ZS551KL has approximately 146.9% more rectangular screen area than Mini 3iX.

    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, Mini 3iX, compared at the same storage capacity.
    StorageZenfone 4 Pro ZS551KLMini 3iX
    64 GB 6 GB RAM Unknown
    128 GB 6 GB RAM Unknown
    Mini 3iX: Original memory entry

    256 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. Mini 3iX

    NFC:
    Unknown
    Headphone jack:
    No
    Memory card support:
    See details microSD · up to 32 GB (dedicated slot) · 2 GB included

    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

      +2600 mAh versus Mini 3iX

    2. 2. Mini 3iX

      1000 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. Mini 3iX

    Everyday essentials
    Everyday essentials — specifications for Zenfone 4 Pro ZS551KL, Mini 3iX.
    SpecificationZenfone 4 Pro ZS551KLMini 3iX
    Dimensions (HxWxD)
    • 156.9 Х 75.6 Х 7.6 mm
    • 120 Х 59.9 Х 11.7 mm
    Weight
    • 175 g
    • 108 g
    Technology
    • AMOLED
    • TFT
    Screen size
    • 5.5" inch
    • 3.5" inch
    Screen resolution
    • 1080 x 1920 px
    • 360 x 640 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
    • 256 MB
    Memory card support
    • microSD
    • up to 512 GB (uses SIM 2 slot)
    • microSD
    • up to 32 GB (dedicated slot)
    • 2 GB included
    Battery Capacity is not battery life. No endurance test is implied.
    • 3600 mAh
    • Non-removable Li-Ion
    • 1000 mAh
    • Removable Li-Ion
    Operating system OS
    • Android 7.1.1 (Nougat)
    • upgradable to Android 8 (Oreo); ZenUI 4
    • Android 1.5 (Cupcake)
    Chipset
    • Qualcomm MSM8998 Snapdragon 835 (10 nm)
    		 Unknown
    NFC
    • Yes
    		 Unknown
    Headphone jack
    • Yes
    • No
    Display
    Display — specifications for Zenfone 4 Pro ZS551KL, Mini 3iX.
    SpecificationZenfone 4 Pro ZS551KLMini 3iX
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 256K
    Screen area
    • 83.4 cm2
    • 33.8 cm2
    Screen format
    • 16:9 (height:width)
    • 16:9 (height:width)
    Screen to body ratio
    • 70.3%
    • 47.0%
    PPI /points per inch/
    • 401 PPI
    • 210 PPI
    Screen protection
    • Corning Gorilla Glass 5
    		 Unknown
    Camera and Video
    Camera and Video — specifications for Zenfone 4 Pro ZS551KL, Mini 3iX.
    SpecificationZenfone 4 Pro ZS551KLMini 3iX
    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
    • AF
    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, Mini 3iX.
    SpecificationZenfone 4 Pro ZS551KLMini 3iX
    Processor CPU
    • Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
    		 Unknown
    Graphics processor GPU
    • Adreno 540
    		 Unknown
    General specs
    General specs — specifications for Zenfone 4 Pro ZS551KL, Mini 3iX.
    SpecificationZenfone 4 Pro ZS551KLMini 3iX
    Release date
    • 2017
    • August
    • 2009
    • November
    Colors
    • Moonlight White
    • Pure Black
    • Oiled Bronze and Ocean Blue
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 390 EUR
    • 230 EUR
    Battery life
    • Talking time- Up to 27 h 30 min (3G)
    • Stand by time- Up to 400 h Talking time- Up to 5 h
    Body build
    • Front/back glass (Gorilla Glass 5) & aluminum frame
    		 Unknown
    Communication and Connectivity
    Communication and Connectivity — specifications for Zenfone 4 Pro ZS551KL, Mini 3iX.
    SpecificationZenfone 4 Pro ZS551KLMini 3iX
    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 12
    Edge
    • Yes
    • Class 12
    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
    • miniUSB 2.0
    Bluetooth
    • 5.0
    • A2DP
    • EDR
    • LE
    • aptX
    • 2.1
    • A2DP
    Music and Audio
    Music and Audio — specifications for Zenfone 4 Pro ZS551KL, Mini 3iX.
    SpecificationZenfone 4 Pro ZS551KLMini 3iX
    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, Mini 3iX.
    SpecificationZenfone 4 Pro ZS551KLMini 3iX
    Dop
    • Sensors Fingerprint (front-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass
    • color spectrum
    • Infrared port - Fast battery charging: 50% in 32 min
    • Sensors Accelerometer
    • proximity - MP4/H.264/WMV player -MP3/e-AAC+/WMA player -Voice memo -Predictive text input

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