Asus P550 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

    P550: 15 g lighter

    P550:
    160 g
    Zenfone Max Pro (M2) ZB631KL:
    175 g
  • Width

    P550: 16.5 mm narrower

    P550:
    59 mm
    Zenfone Max Pro (M2) ZB631KL:
    75.5 mm
  • Screen diagonal

    P550: 3.46 in smaller diagonal

    P550:
    2.8 in
    Zenfone Max Pro (M2) ZB631KL:
    6.26 in
  • Rear camera layout

    P550:
    Single
    Zenfone Max Pro (M2) ZB631KL:
    Dual
  • Depth

    Zenfone Max Pro (M2) ZB631KL: 10.5 mm thinner

    P550:
    19 mm
    Zenfone Max Pro (M2) ZB631KL:
    8.5 mm
  • Height

    P550: 41.1 mm shorter

    P550:
    116.8 mm
    Zenfone Max Pro (M2) ZB631KL:
    157.9 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. P550

    Height:
    116.8 mm
    Width:
    59 mm
    Depth:
    19 mm +10.5 mm versus Zenfone Max Pro (M2) ZB631KL
  2. 2. Zenfone Max Pro (M2) ZB631KL

    Height:
    157.9 mm +41.1 mm versus P550
    Width:
    75.5 mm +16.5 mm versus P550
    Depth:
    8.5 mm

Weight

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

  1. 1. P550

    160 g

  2. 2. Zenfone Max Pro (M2) ZB631KL

    175 g

    +15 g versus P550

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. P550

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 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

Zenfone Max Pro (M2) ZB631KL has approximately 302.9% more rectangular screen area than P550.

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.

P550: Original memory entry

128 MB

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. P550

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD

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. P550

    1300 mAh

  2. 2. Zenfone Max Pro (M2) ZB631KL

    5000 mAh

    +3700 mAh versus P550

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. P5502. Zenfone Max Pro (M2) ZB631KL

Everyday essentials
Everyday essentials — specifications for P550, Zenfone Max Pro (M2) ZB631KL.
SpecificationP550Zenfone Max Pro (M2) ZB631KL
Dimensions (HxWxD)
  • 116.8 Х 59 Х 19 mm
  • 157.9 Х 75.5 Х 8.5 mm
Weight
  • 160 g
  • 175 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 6.26" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB
  • 64 GB
  • 4/6 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • miniSD
  • microSD
  • up to 512 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 8.1 (Oreo)
Chipset Unknown
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC Unknown
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for P550, Zenfone Max Pro (M2) ZB631KL.
SpecificationP550Zenfone Max Pro (M2) ZB631KL
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 97.8 cm2
Screen format
  • 4:3 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 35.2%
  • 82.0%
PPI /points per inch/
  • 143 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 6
Camera and Video
Camera and Video — specifications for P550, Zenfone Max Pro (M2) ZB631KL.
SpecificationP550Zenfone Max Pro (M2) ZB631KL
Rear camera, main
  • 2 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 2 MP
  • AF
  • 12 MP
  • f/1.8
  • 1/2.9''
  • 1.25µm
  • PDAF -5 MP
  • f/2.4
  • 1.12µm
  • depth sensor
Functions
  • LED flash
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 13 MP
  • Single
Specifications Unknown
  • 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 P550, Zenfone Max Pro (M2) ZB631KL.
SpecificationP550Zenfone Max Pro (M2) ZB631KL
Processor CPU
  • Intel XScale 416 MHz
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU Unknown
  • Adreno 512
GeekBench 5 Single Core * Unknown
  • 291
GeekBench 5 Multi-Core * Unknown
  • 1204
General specs
General specs — specifications for P550, Zenfone Max Pro (M2) ZB631KL.
SpecificationP550Zenfone Max Pro (M2) ZB631KL
Release date
  • 2006
  • March
  • 2018
  • December
Colors
  • Silver
  • Blue
  • Titanium
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 5 h
Unknown
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for P550, Zenfone Max Pro (M2) ZB631KL.
SpecificationP550Zenfone Max Pro (M2) ZB631KL
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • 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 Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • Wi-Fi 802.11b
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • miniUSB
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for P550, Zenfone Max Pro (M2) ZB631KL.
SpecificationP550Zenfone Max Pro (M2) ZB631KL
Radio
  • No
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for P550, Zenfone Max Pro (M2) ZB631KL.
SpecificationP550Zenfone Max Pro (M2) ZB631KL
Dop
  • Infrared port - Business card scanner -Voice Recognition and Hand-free mode -Information Security -Flight Mode -MP3 Player -Pocket Office -Organizer -Voice memo -World time -Currency converter -Stopwatch
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W