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Asus Zenfone 3s Max ZC521TL vs Sendo X2

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

      X2: 80 g lighter

      Zenfone 3s Max ZC521TL:
      175 g
      X2:
      95 g

    • Screen diagonal

      X2: 3 in smaller diagonal

      Zenfone 3s Max ZC521TL:
      5.2 in
      X2:
      2.2 in

    • Chipset

      Zenfone 3s Max ZC521TL:
      Mediatek MT6750 (28 nm)
      X2:
      TI OMAP 5910

    • Release year

      Zenfone 3s Max ZC521TL:
      2017
      X2:
      2005

    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 3s Max ZC521TL

      Height:
      Unknown
      Width:
      Unknown
      Depth:
      Unknown

      Unavailable dimensions are omitted from the drawing.

    2. 2. X2

      Height:
      Unknown
      Width:
      Unknown
      Depth:
      Unknown

      Unavailable dimensions are omitted from the drawing.

    Weight

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

    1. 1. Zenfone 3s Max ZC521TL

      175 g

      +80 g versus X2

    2. 2. X2

      95 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. Zenfone 3s Max ZC521TL

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

    2. 2. X2

      X2: Screen geometry unavailable or conflicting.

    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 3s Max ZC521TL, X2, compared at the same storage capacity.
    StorageZenfone 3s Max ZC521TLX2
    32 GB 3 GB RAM Unknown
    X2: Original memory entry

    32 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 3s Max ZC521TL

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 256 GB (uses SIM 2 slot)

    2. X2

    NFC:
    Unknown
    Headphone jack:
    No
    Memory card support:
    See details miniSD

    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. Zenfone 3s Max ZC521TL2. X2

    Everyday essentials
    Everyday essentials — specifications for Zenfone 3s Max ZC521TL, X2.
    SpecificationZenfone 3s Max ZC521TLX2
    Dimensions (HxWxD)
    • Х Х mm
    • Х Х mm
    Weight
    • 175 g
    • 95 g
    Technology
    • IPS LCD
    • TFT
    Screen size
    • 5.2" inch
    • 2.2" inch
    Screen resolution
    • 720 x 1280 px
    • 176 x 220 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 32 GB
    • 3 GB RAM
    • 32 MB
    Memory card support
    • microSD
    • up to 256 GB (uses SIM 2 slot)
    • miniSD
    Battery Capacity is not battery life. No endurance test is implied.
    • 5000 mAh
    • Non-removable Li-Po
    • 0 mAh,
    Operating system OS
    • Android 7 (Nougat); ZenUI 3
    • Symbian
    • Series 60 UI
    Chipset
    • Mediatek MT6750 (28 nm)
    • TI OMAP 5910
    Headphone jack
    • Yes
    • No
    Display
    Display — specifications for Zenfone 3s Max ZC521TL, X2.
    SpecificationZenfone 3s Max ZC521TLX2
    Touchscreen
    • capacitive touchscreen
    		 Unknown
    Display colors
    • 16M
    • 65K
    Screen area
    • 74.5 cm2
    • 15.2 cm2
    Screen format
    • 16:9 (height:width)
    		 Unknown
    PPI /points per inch/
    • 282 PPI
    • 0 PPI
    Camera and Video
    Camera and Video — specifications for Zenfone 3s Max ZC521TL, X2.
    SpecificationZenfone 3s Max ZC521TLX2
    Rear camera, main
    • 13 MP
    • Single
    • 1.3 MP
    • Single
    Camera specs
    • 13 MP
    • AF
    • f/2.0
    • 1.3 MP
    Functions
    • Dual-LED dual-tone flash
    • panorama
    • HDR
    		 Unknown
    Video
    • 1080p@30fps
    • Yes
    Front camera, selfie
    • 8 MP
    • Single
    • 0 MP,
    Specifications
    • 8 MP
    		 Unknown
    Performance
    Performance — specifications for Zenfone 3s Max ZC521TL, X2.
    SpecificationZenfone 3s Max ZC521TLX2
    Processor CPU
    • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
    • 120 MHz ARM925T
    Graphics processor GPU
    • Mali-T860MP2
    		 Unknown
    General specs
    General specs — specifications for Zenfone 3s Max ZC521TL, X2.
    SpecificationZenfone 3s Max ZC521TLX2
    Release date
    • 2017
    • January
    • 2005
    • Q1
    Colors
    • Gold
    • Black
    		 Unknown
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 180 EUR
    		 Unknown
    Battery life
    • Stand by time- Up to 816 h (3G) Talking time- Up to 28 h (3G)
    		 Unknown
    Communication and Connectivity
    Communication and Connectivity — specifications for Zenfone 3s Max ZC521TL, X2.
    SpecificationZenfone 3s Max ZC521TLX2
    SIM card
    • Hybrid Dual SIM (Micro-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 850 / 900 / 1900 / 2100 - Global HSDPA 850 / 900 / 2100 - India -4G - LTE band 1(2100)
    • 2(1900)
    • 3(1800)
    • 4(1700/2100)
    • 5(850)
    • 7(2600)
    • 8(900)
    • 18(800)
    • 19(800)
    • 26(850)
    • 28(700)
    • 38(2600)
    • 41(2500) - Taiwan LTE band 1(2100)
    • 40(2300) - India
    		 Unknown
    Speed
    • HSPA 42.2/5.76 Mbps
    • LTE Cat4 150/50 Mbps
    		 Unknown
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • No
    Wi-Fi
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • WiFi Direct
    • hotspot
    • No
    GPS
    • Yes
    • with A-GPS
    • GLONASS
    • BDS
    • No
    USB
    • microUSB 2.0
    • USB On-The-Go
    • Proprietary
    Bluetooth
    • 4.0
    • A2DP
    • EDR
    • Yes
    Music and Audio
    Music and Audio — specifications for Zenfone 3s Max ZC521TL, X2.
    SpecificationZenfone 3s Max ZC521TLX2
    Radio
    • FM radio
    • No
    Others
    • Active noise cancellation with dedicated mic
    		 Unknown
    Other features
    Other features — specifications for Zenfone 3s Max ZC521TL, X2.
    SpecificationZenfone 3s Max ZC521TLX2
    Dop
    • Sensors Fingerprint (front-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass - Power Bank/Reverse charging
    • Infrared port - Photo editor -AAC/MP3 player -SyncML