Asus Zenfone Max Pro (M2) ZB631KL vs O2 XDA Guide

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 Guide: 73 g lighter

    Zenfone Max Pro (M2) ZB631KL:
    175 g
    XDA Guide:
    102 g
  • Width

    XDA Guide: 22 mm narrower

    Zenfone Max Pro (M2) ZB631KL:
    75.5 mm
    XDA Guide:
    53.5 mm
  • Screen diagonal

    XDA Guide: 3.46 in smaller diagonal

    Zenfone Max Pro (M2) ZB631KL:
    6.26 in
    XDA Guide:
    2.8 in
  • Chipset

    Zenfone Max Pro (M2) ZB631KL:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    XDA Guide:
    Qualcomm MSM7225 Snapdragon S1
  • Rear camera layout

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

    Zenfone Max Pro (M2) ZB631KL: 6 mm thinner

    Zenfone Max Pro (M2) ZB631KL:
    8.5 mm
    XDA Guide:
    14.5 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 +55.9 mm versus XDA Guide
    Width:
    75.5 mm +22 mm versus XDA Guide
    Depth:
    8.5 mm
  2. 2. XDA Guide

    Height:
    102 mm
    Width:
    53.5 mm
    Depth:
    14.5 mm +6 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

    +73 g versus XDA Guide

  2. 2. XDA Guide

    102 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 Guide

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

Zenfone Max Pro (M2) ZB631KL has approximately 302.9% more rectangular screen area than XDA Guide.

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 Guide: Original memory entry

256 MB RAM · 512 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. XDA Guide

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated slot) · 1 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 Max Pro (M2) ZB631KL

    5000 mAh

    +3890 mAh versus XDA Guide

  2. 2. XDA Guide

    1110 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. XDA Guide

Everyday essentials
Everyday essentials — specifications for Zenfone Max Pro (M2) ZB631KL, XDA Guide.
SpecificationZenfone Max Pro (M2) ZB631KLXDA Guide
Dimensions (HxWxD)
  • 157.9 Х 75.5 Х 8.5 mm
  • 102 Х 53.5 Х 14.5 mm
Weight
  • 175 g
  • 102 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.26" inch
  • 2.8" 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
  • 256 MB RAM
  • 512 MB ROM
Memory card support
  • microSD
  • up to 512 GB (dedicated slot)
  • microSD (dedicated slot)
  • 1 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 5000 mAh
  • Non-removable Li-Po
  • 1110 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • Microsoft Windows Mobile 6.1 Professional
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Qualcomm MSM7225 Snapdragon S1
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Zenfone Max Pro (M2) ZB631KL, XDA Guide.
SpecificationZenfone Max Pro (M2) ZB631KLXDA Guide
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 97.8 cm2
  • 24.3 cm2
Screen format
  • 19:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 82.0%
  • 44.5%
PPI /points per inch/
  • 403 PPI
  • 143 PPI
Screen protection
  • Corning Gorilla Glass 6
Unknown
Camera and Video
Camera and Video — specifications for Zenfone Max Pro (M2) ZB631KL, XDA Guide.
SpecificationZenfone Max Pro (M2) ZB631KLXDA Guide
Rear camera, main
  • 12 MP
  • Dual
  • 3.15 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • 1/2.9''
  • 1.25µm
  • PDAF -5 MP
  • f/2.4
  • 1.12µm
  • depth sensor
  • 3.15 MP
Functions
  • LED flash
  • HDR
Unknown
Video
  • 1080p@30fps
  • CIF
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, XDA Guide.
SpecificationZenfone Max Pro (M2) ZB631KLXDA Guide
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • 528 MHz ARM 11
Graphics processor GPU
  • Adreno 512
  • No
GeekBench 5 Single Core *
  • 291
Unknown
GeekBench 5 Multi-Core *
  • 1204
Unknown
General specs
General specs — specifications for Zenfone Max Pro (M2) ZB631KL, XDA Guide.
SpecificationZenfone Max Pro (M2) ZB631KLXDA Guide
Release date
  • 2018
  • December
  • 2008
  • December
Colors
  • Blue
  • Titanium
  • Grey
Battery life Unknown
  • Stand by time- Up to 400 h Talking time- Up to 6 h 30 min
Body build
  • Front glass
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone Max Pro (M2) ZB631KL, XDA Guide.
SpecificationZenfone Max Pro (M2) ZB631KLXDA Guide
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 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
  • HSPA
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
  • Yes
  • with A-GPS; TomTom NAVIGATOR 7
USB
  • microUSB 2.0
  • USB On-The-Go
  • miniUSB
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.0
  • A2DP
Music and Audio
Music and Audio — specifications for Zenfone Max Pro (M2) ZB631KL, XDA Guide.
SpecificationZenfone Max Pro (M2) ZB631KLXDA Guide
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
  • TouchFLO finger swipe navigation -Handwriting recognition -5-way navigation
Other features
Other features — specifications for Zenfone Max Pro (M2) ZB631KL, XDA Guide.
SpecificationZenfone Max Pro (M2) ZB631KLXDA Guide
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W
  • HTC Footprints -Pocket Office -Voice memo -MP3/AAC player -3GP/MP4/WMV/AVI player -Predictive text input