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Asus Zenfone 3s Max ZC521TL vs T-Mobile Comet

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

      Comet: 72.9 g lighter

      Zenfone 3s Max ZC521TL:
      175 g
      Comet:
      102.1 g

    • Screen diagonal

      Comet: 2.4 in smaller diagonal

      Zenfone 3s Max ZC521TL:
      5.2 in
      Comet:
      2.8 in

    • Chipset

      Zenfone 3s Max ZC521TL:
      Mediatek MT6750 (28 nm)
      Comet:
      Qualcomm MSM7225 Snapdragon S1

    • Release year

      Zenfone 3s Max ZC521TL:
      2017
      Comet:
      2010

    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. Comet

      Height:
      104.1 mm
      Width:
      55.9 mm
      Depth:
      12.7 mm

    Weight

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

    1. 1. Zenfone 3s Max ZC521TL

      175 g

      +72.9 g versus Comet

    2. 2. Comet

      102.1 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. Comet

      Screen diagonal:
      2.8 in
      Aspect ratio (height:width):
      4:3
      Approximate rectangular screen area:
      24.3 cm²

    Zenfone 3s Max ZC521TL has approximately 207% more rectangular screen area than Comet.

    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, Comet, compared at the same storage capacity.
    StorageZenfone 3s Max ZC521TLComet
    32 GB 3 GB RAM Unknown

    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. Comet

    NFC:
    Unknown
    Headphone jack:
    Yes
    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 3s Max ZC521TL

      5000 mAh

      +3800 mAh versus Comet

    2. 2. Comet

      1200 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. Comet

    Everyday essentials
    Everyday essentials — specifications for Zenfone 3s Max ZC521TL, Comet.
    SpecificationZenfone 3s Max ZC521TLComet
    Dimensions (HxWxD)
    • Х Х mm
    • 104.1 Х 55.9 Х 12.7 mm
    Weight
    • 175 g
    • 102.1 g
    Technology
    • IPS LCD
    • TFT
    Screen size
    • 5.2" inch
    • 2.8" inch
    Screen resolution
    • 720 x 1280 px
    • 240 x 320 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 32 GB
    • 3 GB RAM
    		 Unknown
    Memory card support
    • microSD
    • up to 256 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.
    • 5000 mAh
    • Non-removable Li-Po
    • 1200 mAh
    • Removable Li-Ion
    Operating system OS
    • Android 7 (Nougat); ZenUI 3
    • Android 2.2 (Froyo)
    Chipset
    • Mediatek MT6750 (28 nm)
    • Qualcomm MSM7225 Snapdragon S1
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Zenfone 3s Max ZC521TL, Comet.
    SpecificationZenfone 3s Max ZC521TLComet
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 256K
    Screen area
    • 74.5 cm2
    • 24.3 cm2
    Screen format
    • 16:9 (height:width)
    • 4:3 (height:width)
    Screen to body ratio Unknown
    • 41.7%
    PPI /points per inch/
    • 282 PPI
    • 143 PPI
    Camera and Video
    Camera and Video — specifications for Zenfone 3s Max ZC521TL, Comet.
    SpecificationZenfone 3s Max ZC521TLComet
    Rear camera, main
    • 13 MP
    • Single
    • 3.15 MP
    • Single
    Camera specs
    • 13 MP
    • AF
    • f/2.0
    • 3.15 MP
    Functions
    • Dual-LED dual-tone flash
    • panorama
    • HDR
    		 Unknown
    Video
    • 1080p@30fps
    • CIF
    Front camera, selfie
    • 8 MP
    • Single
    • 0 MP,
    Specifications
    • 8 MP
    		 Unknown
    Performance
    Performance — specifications for Zenfone 3s Max ZC521TL, Comet.
    SpecificationZenfone 3s Max ZC521TLComet
    Processor CPU
    • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
    • 528 MHz ARM 11
    Graphics processor GPU
    • Mali-T860MP2
    • No
    General specs
    General specs — specifications for Zenfone 3s Max ZC521TL, Comet.
    SpecificationZenfone 3s Max ZC521TLComet
    Release date
    • 2017
    • January
    • 2010
    • November
    Colors
    • Gold
    • Black
    • Black
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 180 EUR
    • 150 EUR
    Battery life
    • Stand by time- Up to 816 h (3G) Talking time- Up to 28 h (3G)
    • Stand by time- Up to 288 h Talking time- Up to 9 h
    Communication and Connectivity
    Communication and Connectivity — specifications for Zenfone 3s Max ZC521TL, Comet.
    SpecificationZenfone 3s Max ZC521TLComet
    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
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
    Speed
    • HSPA 42.2/5.76 Mbps
    • LTE Cat4 150/50 Mbps
    • HSPA 7.2/0.384 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/n
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • GLONASS
    • BDS
    • Yes
    • with A-GPS
    USB
    • microUSB 2.0
    • USB On-The-Go
    • microUSB 2.0
    Bluetooth
    • 4.0
    • A2DP
    • EDR
    • 2.0
    • A2DP
    Music and Audio
    Music and Audio — specifications for Zenfone 3s Max ZC521TL, Comet.
    SpecificationZenfone 3s Max ZC521TLComet
    Radio
    • FM radio
    • FM radio
    Others
    • Active noise cancellation with dedicated mic
    		 Unknown
    Other features
    Other features — specifications for Zenfone 3s Max ZC521TL, Comet.
    SpecificationZenfone 3s Max ZC521TLComet
    Dop
    • Sensors Fingerprint (front-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass - Power Bank/Reverse charging
    • Sensors Accelerometer MP3/WMA/eAAC+ player -MP4/H.264 player -Organizer -Photo viewer/editor -Voice memo/dial/commands -Predictive text input (Swype) For T-Mobile