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Asus Zenfone 3s Max ZC521TL vs T-Mobile Sidekick

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

      Sidekick: 47 g lighter

      Zenfone 3s Max ZC521TL:
      175 g
      Sidekick:
      128 g

    • Screen diagonal

      Sidekick: 2.6 in smaller diagonal

      Zenfone 3s Max ZC521TL:
      5.2 in
      Sidekick:
      2.6 in

    • Release year

      Zenfone 3s Max ZC521TL:
      2017
      Sidekick:
      2008

    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. Sidekick

      Height:
      119 mm
      Width:
      58 mm
      Depth:
      18 mm

    Weight

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

    1. 1. Zenfone 3s Max ZC521TL

      175 g

      +47 g versus Sidekick

    2. 2. Sidekick

      128 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 3s Max ZC521TL

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

    2. 2. Sidekick

      Screen diagonal:
      2.6 in
      Aspect ratio (height:width):
      5:3
      Approximate rectangular screen area:
      19.2 cm²

    Zenfone 3s Max ZC521TL has approximately 287.4% more rectangular screen area than Sidekick.

    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, Sidekick, compared at the same storage capacity.
    StorageZenfone 3s Max ZC521TLSidekick
    32 GB 3 GB RAM Unknown
    Sidekick: Original memory entry

    128 MB RAM · 64 MB ROM

    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. Sidekick

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSD (dedicated 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. Zenfone 3s Max ZC521TL

      5000 mAh

      +3970 mAh versus Sidekick

    2. 2. Sidekick

      1030 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 3s Max ZC521TL2. Sidekick

    Everyday essentials
    Everyday essentials — specifications for Zenfone 3s Max ZC521TL, Sidekick.
    SpecificationZenfone 3s Max ZC521TLSidekick
    Dimensions (HxWxD)
    • Х Х mm
    • 119 Х 58 Х 18 mm
    Weight
    • 175 g
    • 128 g
    Technology
    • IPS LCD
    • TFT
    Screen size
    • 5.2" inch
    • 2.6" inch
    Screen resolution
    • 720 x 1280 px
    • 240 x 400 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 32 GB
    • 3 GB RAM
    • 128 MB RAM
    • 64 MB ROM
    Memory card support
    • microSD
    • up to 256 GB (uses SIM 2 slot)
    • microSD (dedicated slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 5000 mAh
    • Non-removable Li-Po
    • 1030 mAh
    • Removable Li-Ion
    Operating system OS
    • Android 7 (Nougat); ZenUI 3
    • Danger 4.7
    Chipset
    • Mediatek MT6750 (28 nm)
    		 Unknown
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Zenfone 3s Max ZC521TL, Sidekick.
    SpecificationZenfone 3s Max ZC521TLSidekick
    Touchscreen
    • capacitive touchscreen
    		 Unknown
    Display colors
    • 16M
    • 65K
    Screen area
    • 74.5 cm2
    • 19.2 cm2
    Screen format
    • 16:9 (height:width)
    • 5:3 (height:width)
    Screen to body ratio Unknown
    • 27.9%
    PPI /points per inch/
    • 282 PPI
    • 179 PPI
    Camera and Video
    Camera and Video — specifications for Zenfone 3s Max ZC521TL, Sidekick.
    SpecificationZenfone 3s Max ZC521TLSidekick
    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, Sidekick.
    SpecificationZenfone 3s Max ZC521TLSidekick
    Processor CPU
    • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
    		 Unknown
    Graphics processor GPU
    • Mali-T860MP2
    		 Unknown
    General specs
    General specs — specifications for Zenfone 3s Max ZC521TL, Sidekick.
    SpecificationZenfone 3s Max ZC521TLSidekick
    Release date
    • 2017
    • January
    • 2008
    • July
    Colors
    • Gold
    • Black
    • Black
    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)
    • Stand by time- Up to 216 h Talking time- Up to 5 h
    Communication and Connectivity
    Communication and Connectivity — specifications for Zenfone 3s Max ZC521TL, Sidekick.
    SpecificationZenfone 3s Max ZC521TLSidekick
    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
    • Class 10
    Edge
    • Yes
    • Class 10
    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
    • miniUSB
    Bluetooth
    • 4.0
    • A2DP
    • EDR
    • 2.0
    • A2DP
    Music and Audio
    Music and Audio — specifications for Zenfone 3s Max ZC521TL, Sidekick.
    SpecificationZenfone 3s Max ZC521TLSidekick
    Radio
    • FM radio
    • No
    Others
    • Active noise cancellation with dedicated mic
    • Swivel display
    Other features
    Other features — specifications for Zenfone 3s Max ZC521TL, Sidekick.
    SpecificationZenfone 3s Max ZC521TLSidekick
    Dop
    • Sensors Fingerprint (front-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass - Power Bank/Reverse charging
    • MP3/WAV/WMA audio player -MP4 player -Voice memo -Predictive text input