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

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 Atom: 65 g lighter

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

    Iris Atom: 12.3 mm narrower

    Zenfone Max Pro (M2) ZB631KL:
    75.5 mm
    Iris Atom:
    63.2 mm
  • Screen diagonal

    Iris Atom: 2.26 in smaller diagonal

    Zenfone Max Pro (M2) ZB631KL:
    6.26 in
    Iris Atom:
    4 in
  • Rear camera layout

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

    Zenfone Max Pro (M2) ZB631KL: 1.2 mm thinner

    Zenfone Max Pro (M2) ZB631KL:
    8.5 mm
    Iris Atom:
    9.7 mm
  • Height

    Iris Atom: 32.4 mm shorter

    Zenfone Max Pro (M2) ZB631KL:
    157.9 mm
    Iris Atom:
    125.5 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 +32.4 mm versus Iris Atom
    Width:
    75.5 mm +12.3 mm versus Iris Atom
    Depth:
    8.5 mm
  2. 2. Iris Atom

    Height:
    125.5 mm
    Width:
    63.2 mm
    Depth:
    9.7 mm +1.2 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

    +65 g versus Iris Atom

  2. 2. Iris Atom

    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. Iris Atom

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

Zenfone Max Pro (M2) ZB631KL has approximately 114.8% more rectangular screen area than Iris Atom.

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

Iris Atom: Original memory entry

8 GB · 512 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. Iris Atom

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

    +3450 mAh versus Iris Atom

  2. 2. Iris Atom

    1550 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 Atom

Everyday essentials
Everyday essentials — specifications for Zenfone Max Pro (M2) ZB631KL, Iris Atom.
SpecificationZenfone Max Pro (M2) ZB631KLIris Atom
Dimensions (HxWxD)
  • 157.9 Х 75.5 Х 8.5 mm
  • 125.5 Х 63.2 Х 9.7 mm
Weight
  • 175 g
  • 110 g
Technology
  • IPS LCD
Unknown
Screen size
  • 6.26" inch
  • 4" inch
Screen resolution
  • 1080 x 2280 px
  • 480 x 800 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
  • 512 MB 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
  • 1550 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • Android 5.1 (Lollipop)
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone Max Pro (M2) ZB631KL, Iris Atom.
SpecificationZenfone Max Pro (M2) ZB631KLIris Atom
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 97.8 cm2
  • 45.5 cm2
Screen format
  • 19:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 82.0%
  • 57.4%
PPI /points per inch/
  • 403 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass 6
Unknown
Camera and Video
Camera and Video — specifications for Zenfone Max Pro (M2) ZB631KL, Iris Atom.
SpecificationZenfone Max Pro (M2) ZB631KLIris Atom
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
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • Yes
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 Atom.
SpecificationZenfone Max Pro (M2) ZB631KLIris Atom
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Quad-core 1.3 GHz
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, Iris Atom.
SpecificationZenfone Max Pro (M2) ZB631KLIris Atom
Release date
  • 2018
  • December
  • 2015
  • December
Colors
  • Blue
  • Titanium
  • Black
  • White
Battery life Unknown
  • Stand by time- Up to 150 h (3G) Talking time- Up to 12 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 Atom.
SpecificationZenfone Max Pro (M2) ZB631KLIris Atom
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
  • No
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
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.1
  • EDR
Music and Audio
Music and Audio — specifications for Zenfone Max Pro (M2) ZB631KL, Iris Atom.
SpecificationZenfone Max Pro (M2) ZB631KLIris Atom
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Zenfone Max Pro (M2) ZB631KL, Iris Atom.
SpecificationZenfone Max Pro (M2) ZB631KLIris Atom
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W
  • Sensors Accelerometer For India