Asus Zenfone Max Pro (M2) ZB631KL vs Vertu Constellation Quest

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

    Constellation Quest: 10 g lighter

    Zenfone Max Pro (M2) ZB631KL:
    175 g
    Constellation Quest:
    165 g
  • Width

    Constellation Quest: 14.7 mm narrower

    Zenfone Max Pro (M2) ZB631KL:
    75.5 mm
    Constellation Quest:
    60.8 mm
  • Screen diagonal

    Constellation Quest: 3.8 in smaller diagonal

    Zenfone Max Pro (M2) ZB631KL:
    6.26 in
    Constellation Quest:
    2.46 in
  • Rear camera layout

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

    Zenfone Max Pro (M2) ZB631KL: 4.2 mm thinner

    Zenfone Max Pro (M2) ZB631KL:
    8.5 mm
    Constellation Quest:
    12.7 mm
  • Height

    Constellation Quest: 41.7 mm shorter

    Zenfone Max Pro (M2) ZB631KL:
    157.9 mm
    Constellation Quest:
    116.2 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 +41.7 mm versus Constellation Quest
    Width:
    75.5 mm +14.7 mm versus Constellation Quest
    Depth:
    8.5 mm
  2. 2. Constellation Quest

    Height:
    116.2 mm
    Width:
    60.8 mm
    Depth:
    12.7 mm +4.2 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

    +10 g versus Constellation Quest

  2. 2. Constellation Quest

    165 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. Constellation Quest

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

Zenfone Max Pro (M2) ZB631KL has approximately 421.9% more rectangular screen area than Constellation Quest.

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

Constellation Quest: Original memory entry

8 GB

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. Constellation Quest

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

    +3500 mAh versus Constellation Quest

  2. 2. Constellation Quest

    1500 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. Constellation Quest

Everyday essentials
Everyday essentials — specifications for Zenfone Max Pro (M2) ZB631KL, Constellation Quest.
SpecificationZenfone Max Pro (M2) ZB631KLConstellation Quest
Dimensions (HxWxD)
  • 157.9 Х 75.5 Х 8.5 mm
  • 116.2 Х 60.8 Х 12.7 mm
Weight
  • 175 g
  • 165 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.26" inch
  • 2.46" inch
Screen resolution
  • 1080 x 2280 px
  • 640 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
  • 8 GB
Memory card support
  • microSD
  • up to 512 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 32 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 5000 mAh
  • Non-removable Li-Po
  • 1500 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • Symbian OS
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone Max Pro (M2) ZB631KL, Constellation Quest.
SpecificationZenfone Max Pro (M2) ZB631KLConstellation Quest
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 16M
Screen area
  • 97.8 cm2
  • 18.7 cm2
Screen format
  • 19:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 82.0%
  • 26.5%
PPI /points per inch/
  • 403 PPI
  • 325 PPI
Screen protection
  • Corning Gorilla Glass 6
Unknown
Camera and Video
Camera and Video — specifications for Zenfone Max Pro (M2) ZB631KL, Constellation Quest.
SpecificationZenfone Max Pro (M2) ZB631KLConstellation Quest
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
  • AF
Functions
  • LED flash
  • HDR
  • Dual-LED flash
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, Constellation Quest.
SpecificationZenfone Max Pro (M2) ZB631KLConstellation Quest
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Unknown
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, Constellation Quest.
SpecificationZenfone Max Pro (M2) ZB631KLConstellation Quest
Release date
  • 2018
  • December
  • 2010
  • October
Colors
  • Blue
  • Titanium
  • Silver
  • Pink
  • Black
  • Brown
  • Yellow Gold
  • Carbon fibre with gold
  • Carbon fibre
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 6140 EUR
Battery life Unknown
  • Stand by time- Up to 350 h (2G) / Up to 430 h (3G) Talking time- Up to 7 h 30 min (2G) / Up to 5 h 40 min (3G)
Body build
  • Front glass
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone Max Pro (M2) ZB631KL, Constellation Quest.
SpecificationZenfone Max Pro (M2) ZB631KLConstellation Quest
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 10.2/2 Mbps
GPRS
  • Yes
  • Class 32
Edge
  • Yes
  • Class 32
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
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for Zenfone Max Pro (M2) ZB631KL, Constellation Quest.
SpecificationZenfone Max Pro (M2) ZB631KLConstellation Quest
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Zenfone Max Pro (M2) ZB631KL, Constellation Quest.
SpecificationZenfone Max Pro (M2) ZB631KLConstellation Quest
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W
  • Sensors Accelerometer
  • compass - Facebook
  • Twitter apps -MP4/H.263 player -MP3/WMA/WAV/eAAC+ player -QuickOffice editor (Word
  • Excel
  • PowerPoint) -PDF viewer -Voice memo/dial/commands -Organizer -Vertu Concierge service -Predictive text input - Optical trackpad