Asus Zenfone Max Pro (M2) ZB631KL vs Lava Iris Alfa

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

    Iris Alfa: 17 g lighter

    Zenfone Max Pro (M2) ZB631KL:
    175 g
    Iris Alfa:
    158 g
  • Width

    Iris Alfa: 4.1 mm narrower

    Zenfone Max Pro (M2) ZB631KL:
    75.5 mm
    Iris Alfa:
    71.4 mm
  • Screen diagonal

    Iris Alfa: 1.26 in smaller diagonal

    Zenfone Max Pro (M2) ZB631KL:
    6.26 in
    Iris Alfa:
    5 in
  • Chipset

    Zenfone Max Pro (M2) ZB631KL:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    Iris Alfa:
    Spreadtrum 7731
  • Rear camera layout

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

    Zenfone Max Pro (M2) ZB631KL: 0.8 mm thinner

    Zenfone Max Pro (M2) ZB631KL:
    8.5 mm
    Iris Alfa:
    9.3 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 +16.9 mm versus Iris Alfa
    Width:
    75.5 mm +4.1 mm versus Iris Alfa
    Depth:
    8.5 mm
  2. 2. Iris Alfa

    Height:
    141 mm
    Width:
    71.4 mm
    Depth:
    9.3 mm +0.8 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

    +17 g versus Iris Alfa

  2. 2. Iris Alfa

    158 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. Iris Alfa

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²

Zenfone Max Pro (M2) ZB631KL has approximately 41.9% more rectangular screen area than Iris Alfa.

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.

Recorded RAM for Zenfone Max Pro (M2) ZB631KL, Iris Alfa, compared at the same storage capacity.
StorageZenfone Max Pro (M2) ZB631KLIris Alfa
8 GB Unknown 1 GB RAM
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. Iris Alfa

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

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

    +2800 mAh versus Iris Alfa

  2. 2. Iris Alfa

    2200 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. Iris Alfa

Everyday essentials
Everyday essentials — specifications for Zenfone Max Pro (M2) ZB631KL, Iris Alfa.
SpecificationZenfone Max Pro (M2) ZB631KLIris Alfa
Dimensions (HxWxD)
  • 157.9 Х 75.5 Х 8.5 mm
  • 141 Х 71.4 Х 9.3 mm
Weight
  • 175 g
  • 158 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.26" inch
  • 5" inch
Screen resolution
  • 1080 x 2280 px
  • 480 x 854 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
  • 1 GB RAM
Memory card support
  • microSD
  • up to 512 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 5000 mAh
  • Non-removable Li-Po
  • 2200 mAh
  • Removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • Android 4.4.2 (KitKat)
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Spreadtrum 7731
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone Max Pro (M2) ZB631KL, Iris Alfa.
SpecificationZenfone Max Pro (M2) ZB631KLIris Alfa
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 97.8 cm2
  • 68.9 cm2
Screen format
  • 19:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.0%
  • 68.4%
PPI /points per inch/
  • 403 PPI
  • 196 PPI
Screen protection
  • Corning Gorilla Glass 6
Unknown
Camera and Video
Camera and Video — specifications for Zenfone Max Pro (M2) ZB631KL, Iris Alfa.
SpecificationZenfone Max Pro (M2) ZB631KLIris Alfa
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
  • LED flash
Video
  • 1080p@30fps
  • 720p
Front camera, selfie
  • 13 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 13MP
  • f/2.0
  • 1.12µm
  • VGA
Performance

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

Performance — specifications for Zenfone Max Pro (M2) ZB631KL, Iris Alfa.
SpecificationZenfone Max Pro (M2) ZB631KLIris Alfa
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Quad-core 1.2 GHz
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, Iris Alfa.
SpecificationZenfone Max Pro (M2) ZB631KLIris Alfa
Release date
  • 2018
  • December
  • 2015
  • January
Colors
  • Blue
  • Titanium
  • Black
  • White
Battery life Unknown
  • Talking time- Up to 14 h 30 min (3G)
Body build
  • Front glass
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone Max Pro (M2) ZB631KL, Iris Alfa.
SpecificationZenfone Max Pro (M2) ZB631KLIris Alfa
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)
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
  • A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.1
Music and Audio
Music and Audio — specifications for Zenfone Max Pro (M2) ZB631KL, Iris Alfa.
SpecificationZenfone Max Pro (M2) ZB631KLIris Alfa
Radio
  • FM radio
  • FM radio
  • recording
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Zenfone Max Pro (M2) ZB631KL, Iris Alfa.
SpecificationZenfone Max Pro (M2) ZB631KLIris Alfa
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W
  • Sensors Accelerometer
  • proximity - For India