Asus Zenfone Max Pro (M2) ZB631KL vs Plum Sync

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

    Sync: 65 g lighter

    Zenfone Max Pro (M2) ZB631KL:
    175 g
    Sync:
    110 g
  • Width

    Sync: 13.1 mm narrower

    Zenfone Max Pro (M2) ZB631KL:
    75.5 mm
    Sync:
    62.4 mm
  • Screen diagonal

    Sync: 2.76 in smaller diagonal

    Zenfone Max Pro (M2) ZB631KL:
    6.26 in
    Sync:
    3.5 in
  • Chipset

    Zenfone Max Pro (M2) ZB631KL:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    Sync:
    Mediatek MT6572 (28 nm)
  • Rear camera layout

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

    Zenfone Max Pro (M2) ZB631KL: 3 mm thinner

    Zenfone Max Pro (M2) ZB631KL:
    8.5 mm
    Sync:
    11.5 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 +39.9 mm versus Sync
    Width:
    75.5 mm +13.1 mm versus Sync
    Depth:
    8.5 mm
  2. 2. Sync

    Height:
    118 mm
    Width:
    62.4 mm
    Depth:
    11.5 mm +3 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

    +65 g versus Sync

  2. 2. Sync

    110 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. Sync

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

Zenfone Max Pro (M2) ZB631KL has approximately 168.2% more rectangular screen area than Sync.

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

Sync: Original memory entry

512 MB · 256 MB 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. Sync

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (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

    +3900 mAh versus Sync

  2. 2. Sync

    1100 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. Sync

Everyday essentials
Everyday essentials — specifications for Zenfone Max Pro (M2) ZB631KL, Sync.
SpecificationZenfone Max Pro (M2) ZB631KLSync
Dimensions (HxWxD)
  • 157.9 Х 75.5 Х 8.5 mm
  • 118 Х 62.4 Х 11.5 mm
Weight
  • 175 g
  • 110 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.26" inch
  • 3.5" inch
Screen resolution
  • 1080 x 2280 px
  • 320 x 480 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
  • 512 MB
  • 256 MB RAM
Memory card support
  • microSD
  • up to 512 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 5000 mAh
  • Non-removable Li-Po
  • 1100 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • Android 4.2 (Jelly Bean)
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Mediatek MT6572 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone Max Pro (M2) ZB631KL, Sync.
SpecificationZenfone Max Pro (M2) ZB631KLSync
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 97.8 cm2
  • 36.5 cm2
Screen format
  • 19:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 82.0%
  • 49.5%
PPI /points per inch/
  • 403 PPI
  • 165 PPI
Screen protection
  • Corning Gorilla Glass 6
Unknown
Camera and Video
Camera and Video — specifications for Zenfone Max Pro (M2) ZB631KL, Sync.
SpecificationZenfone Max Pro (M2) ZB631KLSync
Rear camera, main
  • 12 MP
  • Dual
  • 5 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • 1/2.9''
  • 1.25µm
  • PDAF -5 MP
  • f/2.4
  • 1.12µm
  • depth sensor
  • 5 MP
Functions
  • LED flash
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 13 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 13MP
  • f/2.0
  • 1.12µm
  • 5 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, Sync.
SpecificationZenfone Max Pro (M2) ZB631KLSync
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Dual-core 1.0 GHz Cortex-A7
Graphics processor GPU
  • Adreno 512
  • Mali-400
GeekBench 5 Single Core *
  • 291
Unknown
GeekBench 5 Multi-Core *
  • 1204
Unknown
General specs
General specs — specifications for Zenfone Max Pro (M2) ZB631KL, Sync.
SpecificationZenfone Max Pro (M2) ZB631KLSync
Release date
  • 2018
  • December
  • 2013
  • September
Colors
  • Blue
  • Titanium
  • Black
  • White
Battery life Unknown
  • Stand by time- Up to 180 h Talking time- Up to 4 h
Body build
  • Front glass
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone Max Pro (M2) ZB631KL, Sync.
SpecificationZenfone Max Pro (M2) ZB631KLSync
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual 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 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.1
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for Zenfone Max Pro (M2) ZB631KL, Sync.
SpecificationZenfone Max Pro (M2) ZB631KLSync
Radio
  • FM radio
  • Stereo FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Zenfone Max Pro (M2) ZB631KL, Sync.
SpecificationZenfone Max Pro (M2) ZB631KLSync
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W
  • Sensors Accelerometer
  • proximity
  • compass - X210 Dual SIM X211 Single SIM