Asus Zenfone Max Pro (M2) ZB631KL vs BenQ P31

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

    P31: 25 g lighter

    Zenfone Max Pro (M2) ZB631KL:
    175 g
    P31:
    150 g
  • Width

    P31: 23.5 mm narrower

    Zenfone Max Pro (M2) ZB631KL:
    75.5 mm
    P31:
    52 mm
  • Chipset

    Zenfone Max Pro (M2) ZB631KL:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    P31:
    TI OMAP V1030
  • Rear camera layout

    Zenfone Max Pro (M2) ZB631KL:
    Dual
    P31:
    Single
  • Depth

    Zenfone Max Pro (M2) ZB631KL: 8.5 mm thinner

    Zenfone Max Pro (M2) ZB631KL:
    8.5 mm
    P31:
    17 mm
  • Height

    P31: 39.9 mm shorter

    Zenfone Max Pro (M2) ZB631KL:
    157.9 mm
    P31:
    118 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 +39.9 mm versus P31
    Width:
    75.5 mm +23.5 mm versus P31
    Depth:
    8.5 mm
  2. 2. P31

    Height:
    118 mm
    Width:
    52 mm
    Depth:
    17 mm +8.5 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 P31

  2. 2. P31

    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. P31

    P31: 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

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. P31

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details SD/MMC

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 Max Pro (M2) ZB631KL2. P31

Everyday essentials
Everyday essentials — specifications for Zenfone Max Pro (M2) ZB631KL, P31.
SpecificationZenfone Max Pro (M2) ZB631KLP31
Dimensions (HxWxD)
  • 157.9 Х 75.5 Х 8.5 mm
  • 118 Х 52 Х 17 mm
Weight
  • 175 g
  • 150 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.26" inch
  • 0" inch
Screen resolution
  • 1080 x 2280 px
  • 208 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
Unknown
Memory card support
  • microSD
  • up to 512 GB (dedicated slot)
  • SD/MMC
Battery Capacity is not battery life. No endurance test is implied.
  • 5000 mAh
  • Non-removable Li-Po
  • 0 mAh,
Operating system OS
  • Android 8.1 (Oreo)
  • Symbian 7.0
  • UIQ v2.1 UI
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • TI OMAP V1030
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Zenfone Max Pro (M2) ZB631KL, P31.
SpecificationZenfone Max Pro (M2) ZB631KLP31
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 97.8 cm2
Unknown
Screen format
  • 19:9 (height:width)
  • 3:2 (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, P31.
SpecificationZenfone Max Pro (M2) ZB631KLP31
Rear camera, main
  • 12 MP
  • Dual
  • 1.3 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • 1/2.9''
  • 1.25µm
  • PDAF -5 MP
  • f/2.4
  • 1.12µm
  • depth sensor
  • 1.3 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, P31.
SpecificationZenfone Max Pro (M2) ZB631KLP31
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • 144 MHz
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, P31.
SpecificationZenfone Max Pro (M2) ZB631KLP31
Release date
  • 2018
  • December
  • 2004
  • Q1
Colors
  • Blue
  • Titanium
Unknown
Battery life Unknown
  • Stand by time- Up to 120 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, P31.
SpecificationZenfone Max Pro (M2) ZB631KLP31
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
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
  • No
USB
  • microUSB 2.0
  • USB On-The-Go
  • Proprietary
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 1.1
Music and Audio
Music and Audio — specifications for Zenfone Max Pro (M2) ZB631KL, P31.
SpecificationZenfone Max Pro (M2) ZB631KLP31
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
  • Wallpapers -Downloadable pictures
Other features
Other features — specifications for Zenfone Max Pro (M2) ZB631KL, P31.
SpecificationZenfone Max Pro (M2) ZB631KLP31
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W
  • Infrared port - MP3/MP4 player -Handwriting recognition -iTap - Functionally identical to Nokia 6708