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Asus Zenfone Max Pro (M2) ZB631KL vs T-Mobile Shadow

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

      Shadow: 25 g lighter

      Zenfone Max Pro (M2) ZB631KL:
      175 g
      Shadow:
      150 g

    • Width

      Shadow: 22.5 mm narrower

      Zenfone Max Pro (M2) ZB631KL:
      75.5 mm
      Shadow:
      53 mm

    • Chipset

      Zenfone Max Pro (M2) ZB631KL:
      Qualcomm SDM660 Snapdragon 660 (14 nm)
      Shadow:
      TI OMAP 850

    • Rear camera layout

      Zenfone Max Pro (M2) ZB631KL:
      Dual
      Shadow:
      Single

    • Depth

      Zenfone Max Pro (M2) ZB631KL: 6.5 mm thinner

      Zenfone Max Pro (M2) ZB631KL:
      8.5 mm
      Shadow:
      15 mm

    • Height

      Shadow: 54.9 mm shorter

      Zenfone Max Pro (M2) ZB631KL:
      157.9 mm
      Shadow:
      103 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 Max Pro (M2) ZB631KL

      Height:
      157.9 mm +54.9 mm versus Shadow
      Width:
      75.5 mm +22.5 mm versus Shadow
      Depth:
      8.5 mm

    2. 2. Shadow

      Height:
      103 mm
      Width:
      53 mm
      Depth:
      15 mm +6.5 mm versus Zenfone Max Pro (M2) ZB631KL

    Weight

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

    1. 1. Zenfone Max Pro (M2) ZB631KL

      175 g

      +25 g versus Shadow

    2. 2. Shadow

      150 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 Max Pro (M2) ZB631KL

      Screen diagonal:
      6.26 in
      Aspect ratio (height:width):
      19:9
      Approximate rectangular screen area:
      97.8 cm²

    2. 2. Shadow

      Shadow: 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.

    No unambiguous storage/RAM pairings are recorded. See the original specifications below.

    Zenfone Max Pro (M2) ZB631KL: Original memory entry

    64 GB · 4/6 GB RAM 32 GB · 3 GB RAM

    Shadow: Original memory entry

    128 MB RAM · 256 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 Max Pro (M2) ZB631KL

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

    2. Shadow

    NFC:
    Unknown
    Headphone jack:
    No
    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 Max Pro (M2) ZB631KL

      5000 mAh

      +4080 mAh versus Shadow

    2. 2. Shadow

      920 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 Max Pro (M2) ZB631KL2. Shadow

    Everyday essentials
    Everyday essentials — specifications for Zenfone Max Pro (M2) ZB631KL, Shadow.
    SpecificationZenfone Max Pro (M2) ZB631KLShadow
    Dimensions (HxWxD)
    • 157.9 Х 75.5 Х 8.5 mm
    • 103 Х 53 Х 15 mm
    Weight
    • 175 g
    • 150 g
    Technology
    • IPS LCD
    • TFT
    Screen size
    • 6.26" inch
    • 0" inch
    Screen resolution
    • 1080 x 2280 px
    • 240 x 320 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 64 GB
    • 4/6 GB RAM 32 GB
    • 3 GB RAM
    • 128 MB RAM
    • 256 MB ROM
    Memory card support
    • microSD
    • up to 512 GB (dedicated slot)
    • microSD (dedicated slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 5000 mAh
    • Non-removable Li-Po
    • 920 mAh
    • Removable Li-Ion
    Operating system OS
    • Android 8.1 (Oreo)
    • Microsoft Windows Mobile 6.0 Standard
    Chipset
    • Qualcomm SDM660 Snapdragon 660 (14 nm)
    • TI OMAP 850
    NFC
    • Yes
    		 Unknown
    Headphone jack
    • Yes
    • No
    Display
    Display — specifications for Zenfone Max Pro (M2) ZB631KL, Shadow.
    SpecificationZenfone Max Pro (M2) ZB631KLShadow
    Touchscreen
    • capacitive touchscreen
    		 Unknown
    Display colors
    • 16M
    • 65K
    Screen area
    • 97.8 cm2
    		 Unknown
    Screen format
    • 19:9 (height:width)
    • 4:3 (height:width)
    Screen to body ratio
    • 82.0%
    		 Unknown
    PPI /points per inch/
    • 403 PPI
    • 0 PPI
    Screen protection
    • Corning Gorilla Glass 6
    		 Unknown
    Camera and Video
    Camera and Video — specifications for Zenfone Max Pro (M2) ZB631KL, Shadow.
    SpecificationZenfone Max Pro (M2) ZB631KLShadow
    Rear camera, main
    • 12 MP
    • Dual
    • 2 MP
    • Single
    Camera specs
    • 12 MP
    • f/1.8
    • 1/2.9''
    • 1.25µm
    • PDAF -5 MP
    • f/2.4
    • 1.12µm
    • depth sensor
    • 2 MP
    Functions
    • LED flash
    • HDR
    		 Unknown
    Video
    • 1080p@30fps
    • Yes
    Front camera, selfie
    • 13 MP
    • Single
    • 0 MP,
    Specifications
    • 13MP
    • f/2.0
    • 1.12µm
    		 Unknown
    Performance

    Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

    Performance — specifications for Zenfone Max Pro (M2) ZB631KL, Shadow.
    SpecificationZenfone Max Pro (M2) ZB631KLShadow
    Processor CPU
    • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
    • 200 MHz ARM926EJ-S
    Graphics processor GPU
    • Adreno 512
    		 Unknown
    GeekBench 5 Single Core *
    • 291
    		 Unknown
    GeekBench 5 Multi-Core *
    • 1204
    		 Unknown
    General specs
    General specs — specifications for Zenfone Max Pro (M2) ZB631KL, Shadow.
    SpecificationZenfone Max Pro (M2) ZB631KLShadow
    Release date
    • 2018
    • December
    • 2007
    • October
    Colors
    • Blue
    • Titanium
    • Black
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
    • 260 EUR
    Battery life Unknown
    • Stand by time- Up to 150 h Talking time- Up to 5 h
    Body build
    • Front glass
    • plastic body
    		 Unknown
    Communication and Connectivity
    Communication and Connectivity — specifications for Zenfone Max Pro (M2) ZB631KL, Shadow.
    SpecificationZenfone Max Pro (M2) ZB631KLShadow
    SIM card
    • 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 850 / 900 / 2100 -4G - LTE band 1(2100)
    • 3(1800)
    • 5(850)
    • 7(2600)
    • 8(900)
    • 20(800)
    • 40(2300)
    		 Unknown
    Speed
    • HSPA 42.2/5.76 Mbps
    • LTE-A (3CA) Cat9 450/50 Mbps
    		 Unknown
    GPRS
    • Yes
    • Class 10
    Edge
    • Yes
    • Class 10
    Wi-Fi
    • Wi-Fi 802.11 b/g/n
    • WiFi Direct
    • hotspot
    • Wi-Fi 802.11 b/g
    GPS
    • Yes
    • with A-GPS
    • GLONASS
    • BDS
    • GALILEO
    • QZSS
    • No
    USB
    • microUSB 2.0
    • USB On-The-Go
    • miniUSB
    Bluetooth
    • 5.0
    • A2DP
    • LE
    • 2.0
    Harmful irradiation Unknown
    • SAR - 0.35 W/kg (head) 0.67 W/kg (body)
    Music and Audio
    Music and Audio — specifications for Zenfone Max Pro (M2) ZB631KL, Shadow.
    SpecificationZenfone Max Pro (M2) ZB631KLShadow
    Radio
    • FM radio
    • No
    Others
    • Active noise cancellation with dedicated mic
    		 Unknown
    Other features
    Other features — specifications for Zenfone Max Pro (M2) ZB631KL, Shadow.
    SpecificationZenfone Max Pro (M2) ZB631KLShadow
    Dop
    • Sensors Fingerprint (rear-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass - Charging 5V/2A 10W
    • Pocket Office -MP3/AAC player -Voice memo/dial -Predictive text input HTC Juno platform