A1 Alpha vs Asus Zenfone Max Pro (M2) ZB631KL

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

    Alpha: 25 g lighter

    Alpha:
    150 g
    Zenfone Max Pro (M2) ZB631KL:
    175 g
  • Chipset

    Alpha:
    Unisoc SC9863A (28nm)
    Zenfone Max Pro (M2) ZB631KL:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Height

    Alpha: 6.2 mm shorter

    Alpha:
    151.7 mm
    Zenfone Max Pro (M2) ZB631KL:
    157.9 mm
  • Release year

    Alpha:
    2019
    Zenfone Max Pro (M2) ZB631KL:
    2018

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. Alpha

    Height:
    151.7 mm
    Width:
    75.8 mm
    Depth:
    8.1 mm
  2. 2. Zenfone Max Pro (M2) ZB631KL

    Height:
    157.9 mm +6.2 mm versus Alpha
    Width:
    75.5 mm
    Depth:
    8.5 mm

Weight

Bars start at zero and share a scale within this chart.

  1. 1. Alpha

    150 g

  2. 2. Zenfone Max Pro (M2) ZB631KL

    175 g

    +25 g versus Alpha

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. Alpha

    Screen diagonal:
    6.26 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    97.8 cm²
  2. 2. Zenfone Max Pro (M2) ZB631KL

    Screen diagonal:
    6.26 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    97.8 cm²

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 Alpha, Zenfone Max Pro (M2) ZB631KL, compared at the same storage capacity.
StorageAlphaZenfone Max Pro (M2) ZB631KL
32 GB 2 GB RAM Unknown
64 GB 3 GB RAM Unknown
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. Alpha

NFC:
See details Yes (64/3GB model only)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses shared SIM slot)

2. Zenfone Max Pro (M2) ZB631KL

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 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. Alpha

    3200 mAh

  2. 2. Zenfone Max Pro (M2) ZB631KL

    5000 mAh

    +1800 mAh versus Alpha

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. Alpha2. Zenfone Max Pro (M2) ZB631KL

Everyday essentials
Everyday essentials — specifications for Alpha, Zenfone Max Pro (M2) ZB631KL.
SpecificationAlphaZenfone Max Pro (M2) ZB631KL
Dimensions (HxWxD)
  • 151.7 Х 75.8 Х 8.1 mm
  • 157.9 Х 75.5 Х 8.5 mm
Weight
  • 150 g
  • 175 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.26" inch
  • 6.26" inch
Screen resolution
  • 720 x 1520 px
  • 1080 x 2280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 2GB RAM
  • 64GB 3GB RAM
  • 64 GB
  • 4/6 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses shared SIM slot)
  • microSD
  • up to 512 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3200 mAh
  • Non-removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie)
  • Android 8.1 (Oreo)
Chipset
  • Unisoc SC9863A (28nm)
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC
  • Yes (64/3GB model only)
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Alpha, Zenfone Max Pro (M2) ZB631KL.
SpecificationAlphaZenfone Max Pro (M2) ZB631KL
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.8 cm2
  • 97.8 cm2
Screen format
  • 19:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 82.1%
  • 82.0%
PPI /points per inch/
  • 269 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 6
Camera and Video
Camera and Video — specifications for Alpha, Zenfone Max Pro (M2) ZB631KL.
SpecificationAlphaZenfone Max Pro (M2) ZB631KL
Rear camera, main
  • 13 MP
  • Dual
  • 12 MP
  • Dual
Camera specs
  • 13 MP
  • f/2.0
  • AF -2 MP
  • f/2.4
  • depth sensor
  • 12 MP
  • f/1.8
  • 1/2.9''
  • 1.25µm
  • PDAF -5 MP
  • f/2.4
  • 1.12µm
  • depth sensor
Functions
  • LED flash
  • HDR
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 13MP
  • f/2.0
  • 1.12µm
Performance

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

Performance — specifications for Alpha, Zenfone Max Pro (M2) ZB631KL.
SpecificationAlphaZenfone Max Pro (M2) ZB631KL
Processor CPU
  • Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • IMG8322
  • Adreno 512
GeekBench 5 Single Core * Unknown
  • 291
GeekBench 5 Multi-Core * Unknown
  • 1204
General specs
General specs — specifications for Alpha, Zenfone Max Pro (M2) ZB631KL.
SpecificationAlphaZenfone Max Pro (M2) ZB631KL
Release date
  • 2019
  • August
  • 2018
  • December
Colors
  • Black
  • Green
  • Blue
  • Titanium
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
Unknown
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Alpha, Zenfone Max Pro (M2) ZB631KL.
SpecificationAlphaZenfone Max Pro (M2) ZB631KL
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 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)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Alpha, Zenfone Max Pro (M2) ZB631KL.
SpecificationAlphaZenfone Max Pro (M2) ZB631KL
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Alpha, Zenfone Max Pro (M2) ZB631KL.
SpecificationAlphaZenfone Max Pro (M2) ZB631KL
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W