Asus Zenfone Max Pro (M2) ZB631KL vs HTC First

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

    First: 51.1 g lighter

    Zenfone Max Pro (M2) ZB631KL:
    175 g
    First:
    123.9 g
  • Width

    First: 10.5 mm narrower

    Zenfone Max Pro (M2) ZB631KL:
    75.5 mm
    First:
    65 mm
  • Screen diagonal

    First: 1.96 in smaller diagonal

    Zenfone Max Pro (M2) ZB631KL:
    6.26 in
    First:
    4.3 in
  • Chipset

    Zenfone Max Pro (M2) ZB631KL:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    First:
    Qualcomm MSM8930 Snapdragon 400 (28 nm)
  • Rear camera layout

    Zenfone Max Pro (M2) ZB631KL:
    Dual
    First:
    Single
  • Height

    First: 31.9 mm shorter

    Zenfone Max Pro (M2) ZB631KL:
    157.9 mm
    First:
    126 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 +31.9 mm versus First
    Width:
    75.5 mm +10.5 mm versus First
    Depth:
    8.5 mm
  2. 2. First

    Height:
    126 mm
    Width:
    65 mm
    Depth:
    8.9 mm

Weight

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

  1. 1. Zenfone Max Pro (M2) ZB631KL

    175 g

    +51.1 g versus First

  2. 2. First

    123.9 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. First

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

Zenfone Max Pro (M2) ZB631KL has approximately 91.9% more rectangular screen area than First.

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, First, compared at the same storage capacity.
StorageZenfone Max Pro (M2) ZB631KLFirst
16 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. First

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

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

    +3000 mAh versus First

  2. 2. First

    2000 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. First

Everyday essentials
Everyday essentials — specifications for Zenfone Max Pro (M2) ZB631KL, First.
SpecificationZenfone Max Pro (M2) ZB631KLFirst
Dimensions (HxWxD)
  • 157.9 Х 75.5 Х 8.5 mm
  • 126 Х 65 Х 8.9 mm
Weight
  • 175 g
  • 123.9 g
Technology
  • IPS LCD
  • Super LCD
Screen size
  • 6.26" inch
  • 4.3" inch
Screen resolution
  • 1080 x 2280 px
  • 720 x 1280 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
  • 16 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 512 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 5000 mAh
  • Non-removable Li-Po
  • 2000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • Android 4.1 (Jelly Bean); Facebook Home UI
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Qualcomm MSM8930 Snapdragon 400 (28 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone Max Pro (M2) ZB631KL, First.
SpecificationZenfone Max Pro (M2) ZB631KLFirst
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.8 cm2
  • 51.0 cm2
Screen format
  • 19:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.0%
  • 62.2%
PPI /points per inch/
  • 403 PPI
  • 342 PPI
Screen protection
  • Corning Gorilla Glass 6
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for Zenfone Max Pro (M2) ZB631KL, First.
SpecificationZenfone Max Pro (M2) ZB631KLFirst
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
  • 1080p@30fps
Front camera, selfie
  • 13 MP
  • Single
  • 1.6 MP
  • Single
Specifications
  • 13MP
  • f/2.0
  • 1.12µm
  • 1.6 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, First.
SpecificationZenfone Max Pro (M2) ZB631KLFirst
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Dual-core 1.4 GHz Krait
Graphics processor GPU
  • Adreno 512
  • Adreno 305
Antutu 7 score * Unknown
  • 18456
GeekBench 5 Single Core *
  • 291
Unknown
GeekBench 5 Multi-Core *
  • 1204
Unknown
General specs
General specs — specifications for Zenfone Max Pro (M2) ZB631KL, First.
SpecificationZenfone Max Pro (M2) ZB631KLFirst
Release date
  • 2018
  • December
  • 2013
  • April
Colors
  • Blue
  • Titanium
  • White
  • Black
  • Red
  • Pale Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 200 EUR
Battery life Unknown
  • Stand by time- Up to 432 h Talking time- Up to 14 h 20 min
Body build
  • Front glass
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone Max Pro (M2) ZB631KL, First.
SpecificationZenfone Max Pro (M2) ZB631KLFirst
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Micro-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 -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100 - AT&T -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 17(700) - AT&T
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 a/b/g/n
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Zenfone Max Pro (M2) ZB631KL, First.
SpecificationZenfone Max Pro (M2) ZB631KLFirst
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Zenfone Max Pro (M2) ZB631KL, First.
SpecificationZenfone Max Pro (M2) ZB631KLFirst
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass