Asus Zenfone Max Pro (M2) ZB631KL vs O2 XDA 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

    XDA Comet: 30 g lighter

    Zenfone Max Pro (M2) ZB631KL:
    175 g
    XDA Comet:
    145 g
  • Width

    XDA Comet: 17.5 mm narrower

    Zenfone Max Pro (M2) ZB631KL:
    75.5 mm
    XDA Comet:
    58 mm
  • Screen diagonal

    XDA Comet: 3.56 in smaller diagonal

    Zenfone Max Pro (M2) ZB631KL:
    6.26 in
    XDA Comet:
    2.7 in
  • Rear camera layout

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

    Zenfone Max Pro (M2) ZB631KL: 10.5 mm thinner

    Zenfone Max Pro (M2) ZB631KL:
    8.5 mm
    XDA Comet:
    19 mm
  • Height

    XDA Comet: 51.9 mm shorter

    Zenfone Max Pro (M2) ZB631KL:
    157.9 mm
    XDA Comet:
    106 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 +51.9 mm versus XDA Comet
    Width:
    75.5 mm +17.5 mm versus XDA Comet
    Depth:
    8.5 mm
  2. 2. XDA Comet

    Height:
    106 mm
    Width:
    58 mm
    Depth:
    19 mm +10.5 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

    +30 g versus XDA Comet

  2. 2. XDA Comet

    145 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 Max Pro (M2) ZB631KL

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

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

Zenfone Max Pro (M2) ZB631KL has approximately 333.3% more rectangular screen area than XDA 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.

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

XDA Comet: Original memory entry

64 MB RAM · 1 GB 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. XDA Comet

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD

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. XDA Comet

Everyday essentials
Everyday essentials — specifications for Zenfone Max Pro (M2) ZB631KL, XDA Comet.
SpecificationZenfone Max Pro (M2) ZB631KLXDA Comet
Dimensions (HxWxD)
  • 157.9 Х 75.5 Х 8.5 mm
  • 106 Х 58 Х 19 mm
Weight
  • 175 g
  • 145 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.26" inch
  • 2.7" 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
  • 64 MB RAM
  • 1 GB ROM
Memory card support
  • microSD
  • up to 512 GB (dedicated slot)
  • miniSD
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)
  • Microsoft Windows Mobile 6.0 Professional
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Zenfone Max Pro (M2) ZB631KL, XDA Comet.
SpecificationZenfone Max Pro (M2) ZB631KLXDA Comet
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 97.8 cm2
  • 22.6 cm2
Screen format
  • 19:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 82.0%
  • 36.7%
PPI /points per inch/
  • 403 PPI
  • 148 PPI
Screen protection
  • Corning Gorilla Glass 6
Unknown
Camera and Video
Camera and Video — specifications for Zenfone Max Pro (M2) ZB631KL, XDA Comet.
SpecificationZenfone Max Pro (M2) ZB631KLXDA Comet
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
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 13 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 13MP
  • f/2.0
  • 1.12µm
  • VGA videocall camera
Performance

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

Performance — specifications for Zenfone Max Pro (M2) ZB631KL, XDA Comet.
SpecificationZenfone Max Pro (M2) ZB631KLXDA Comet
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Intel XScale PXA 270 620 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, XDA Comet.
SpecificationZenfone Max Pro (M2) ZB631KLXDA Comet
Release date
  • 2018
  • December
  • 2007
  • September
Colors
  • Blue
  • Titanium
  • Silver
Battery life Unknown
  • Stand by time- Up to 200 h Talking time- Up to 6 h
Body build
  • Front glass
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone Max Pro (M2) ZB631KL, XDA Comet.
SpecificationZenfone Max Pro (M2) ZB631KLXDA Comet
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)
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
  • HSPA
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11b/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
  • 1.2
Music and Audio
Music and Audio — specifications for Zenfone Max Pro (M2) ZB631KL, XDA Comet.
SpecificationZenfone Max Pro (M2) ZB631KLXDA Comet
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Others
  • Active noise cancellation with dedicated mic
  • Handwriting recognition
Other features
Other features — specifications for Zenfone Max Pro (M2) ZB631KL, XDA Comet.
SpecificationZenfone Max Pro (M2) ZB631KLXDA Comet
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player