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Asus Zenfone Max Pro (M2) ZB631KL vs BLU Studio XL

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.

    • Width

      Zenfone Max Pro (M2) ZB631KL: 9.8 mm narrower

      Zenfone Max Pro (M2) ZB631KL:
      75.5 mm
      Studio XL:
      85.3 mm

    • Screen diagonal

      Studio XL: 0.26 in smaller diagonal

      Zenfone Max Pro (M2) ZB631KL:
      6.26 in
      Studio XL:
      6 in

    • Chipset

      Zenfone Max Pro (M2) ZB631KL:
      Qualcomm SDM660 Snapdragon 660 (14 nm)
      Studio XL:
      Mediatek MT6582M (28 nm)

    • Rear camera layout

      Zenfone Max Pro (M2) ZB631KL:
      Dual
      Studio XL:
      Single

    • Height

      Zenfone Max Pro (M2) ZB631KL: 7.6 mm shorter

      Zenfone Max Pro (M2) ZB631KL:
      157.9 mm
      Studio XL:
      165.5 mm

    • Release year

      Zenfone Max Pro (M2) ZB631KL:
      2018
      Studio XL:
      2015

    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
      Width:
      75.5 mm
      Depth:
      8.5 mm

    2. 2. Studio XL

      Height:
      165.5 mm +7.6 mm versus Zenfone Max Pro (M2) ZB631KL
      Width:
      85.3 mm +9.8 mm versus Zenfone Max Pro (M2) ZB631KL
      Depth:
      8.5 mm

    Weight

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

    1. 1. Zenfone Max Pro (M2) ZB631KL

      175 g

    2. 2. Studio XL

      177 g

      +2 g versus Zenfone Max Pro (M2) ZB631KL

    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 Max Pro (M2) ZB631KL

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

    2. 2. Studio XL

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

    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 Max Pro (M2) ZB631KL, Studio XL, compared at the same storage capacity.
    StorageZenfone Max Pro (M2) ZB631KLStudio XL
    8 GB Unknown 1 GB RAM
    Zenfone Max Pro (M2) ZB631KL: Original memory entry

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

    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. Studio XL

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 64 GB

    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

      +2000 mAh versus Studio XL

    2. 2. Studio XL

      3000 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. Studio XL

    Everyday essentials
    Everyday essentials — specifications for Zenfone Max Pro (M2) ZB631KL, Studio XL.
    SpecificationZenfone Max Pro (M2) ZB631KLStudio XL
    Dimensions (HxWxD)
    • 157.9 Х 75.5 Х 8.5 mm
    • 165.5 Х 85.3 Х 8.5 mm
    Weight
    • 175 g
    • 177 g
    Technology
    • IPS LCD
    • IPS LCD
    Screen size
    • 6.26" inch
    • 6" inch
    Screen resolution
    • 1080 x 2280 px
    • 540 x 960 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
    • 8 GB
    • 1 GB RAM
    Memory card support
    • microSD
    • up to 512 GB (dedicated slot)
    • microSD
    • up to 64 GB
    Battery Capacity is not battery life. No endurance test is implied.
    • 5000 mAh
    • Non-removable Li-Po
    • 3000 mAh
    • Non-removable Li-Ion
    Operating system OS
    • Android 8.1 (Oreo)
    • Android 5.0 (Lollipop)
    Chipset
    • Qualcomm SDM660 Snapdragon 660 (14 nm)
    • Mediatek MT6582M (28 nm)
    NFC
    • Yes
    		 Unknown
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Zenfone Max Pro (M2) ZB631KL, Studio XL.
    SpecificationZenfone Max Pro (M2) ZB631KLStudio XL
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 97.8 cm2
    • 99.2 cm2
    Screen format
    • 19:9 (height:width)
    • 16:9 (height:width)
    Screen to body ratio
    • 82.0%
    • 70.3%
    PPI /points per inch/
    • 403 PPI
    • 184 PPI
    Screen protection
    • Corning Gorilla Glass 6
    		 Unknown
    Camera and Video
    Camera and Video — specifications for Zenfone Max Pro (M2) ZB631KL, Studio XL.
    SpecificationZenfone Max Pro (M2) ZB631KLStudio XL
    Rear camera, main
    • 12 MP
    • Dual
    • 8 MP
    • Single
    Camera specs
    • 12 MP
    • f/1.8
    • 1/2.9''
    • 1.25µm
    • PDAF -5 MP
    • f/2.4
    • 1.12µm
    • depth sensor
    • 8 MP
    • AF
    Functions
    • LED flash
    • HDR
    • LED flash
    Video
    • 1080p@30fps
    • 1080p@30fps
    Front camera, selfie
    • 13 MP
    • Single
    • 2 MP
    • Single
    Specifications
    • 13MP
    • f/2.0
    • 1.12µm
    • 2 MP
    Performance

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

    Performance — specifications for Zenfone Max Pro (M2) ZB631KL, Studio XL.
    SpecificationZenfone Max Pro (M2) ZB631KLStudio XL
    Processor CPU
    • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
    • Quad-core 1.3 GHz Cortex-A7
    Graphics processor GPU
    • Adreno 512
    • Mali-400MP2
    GeekBench 5 Single Core *
    • 291
    		 Unknown
    GeekBench 5 Multi-Core *
    • 1204
    		 Unknown
    General specs
    General specs — specifications for Zenfone Max Pro (M2) ZB631KL, Studio XL.
    SpecificationZenfone Max Pro (M2) ZB631KLStudio XL
    Release date
    • 2018
    • December
    • 2015
    • August
    Colors
    • Blue
    • Titanium
    • Black
    • White
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
    • 110 EUR
    Battery life Unknown
    • Stand by time- Up to 920 h (2G) / Up to 850 h (3G) Talking time- Up to 36 h (2G) / Up to 20 h (3G)
    Body build
    • Front glass
    • plastic body
    		 Unknown
    Communication and Connectivity
    Communication and Connectivity — specifications for Zenfone Max Pro (M2) ZB631KL, Studio XL.
    SpecificationZenfone Max Pro (M2) ZB631KLStudio XL
    SIM card
    • Dual SIM (Nano-SIM
    • dual stand-by)
    • Dual SIM (Micro-SIM
    • dual stand-by)
    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)
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
    Speed
    • HSPA 42.2/5.76 Mbps
    • LTE-A (3CA) Cat9 450/50 Mbps
    • HSPA 21.1/5.76 Mbps
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 b/g/n
    • WiFi Direct
    • hotspot
    • Wi-Fi 802.11 b/g/n
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • GLONASS
    • BDS
    • GALILEO
    • QZSS
    • Yes
    • with A-GPS
    USB
    • microUSB 2.0
    • USB On-The-Go
    • microUSB 2.0
    Bluetooth
    • 5.0
    • A2DP
    • LE
    • 4.0
    • A2DP
    Music and Audio
    Music and Audio — specifications for Zenfone Max Pro (M2) ZB631KL, Studio XL.
    SpecificationZenfone Max Pro (M2) ZB631KLStudio XL
    Radio
    • FM radio
    • FM radio
    Others
    • Active noise cancellation with dedicated mic
    		 Unknown
    Other features
    Other features — specifications for Zenfone Max Pro (M2) ZB631KL, Studio XL.
    SpecificationZenfone Max Pro (M2) ZB631KLStudio XL
    Dop
    • Sensors Fingerprint (rear-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass - Charging 5V/2A 10W
    • Sensors Accelerometer
    • proximity