Asus Zenfone Max (M2) ZB633KL vs Celkon A403

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

    A403: 47 g lighter

    Zenfone Max (M2) ZB633KL:
    160 g
    A403:
    113 g
  • Width

    A403: 11.3 mm narrower

    Zenfone Max (M2) ZB633KL:
    76.3 mm
    A403:
    65 mm
  • Screen diagonal

    A403: 2.26 in smaller diagonal

    Zenfone Max (M2) ZB633KL:
    6.26 in
    A403:
    4 in
  • Chipset

    Zenfone Max (M2) ZB633KL:
    Qualcomm SDM632 Snapdragon 632 (14 nm)
    A403:
    Spreadtrum SC7715
  • Rear camera layout

    Zenfone Max (M2) ZB633KL:
    Dual
    A403:
    Single
  • Depth

    Zenfone Max (M2) ZB633KL: 2.5 mm thinner

    Zenfone Max (M2) ZB633KL:
    7.7 mm
    A403:
    10.2 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 (M2) ZB633KL

    Height:
    158.4 mm +33.4 mm versus A403
    Width:
    76.3 mm +11.3 mm versus A403
    Depth:
    7.7 mm
  2. 2. A403

    Height:
    125 mm
    Width:
    65 mm
    Depth:
    10.2 mm +2.5 mm versus Zenfone Max (M2) ZB633KL

Weight

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

  1. 1. Zenfone Max (M2) ZB633KL

    160 g

    +47 g versus A403

  2. 2. A403

    113 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 (M2) ZB633KL

    Screen diagonal:
    6.26 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    97.8 cm²
  2. 2. A403

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

Zenfone Max (M2) ZB633KL has approximately 114.8% more rectangular screen area than A403.

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 (M2) ZB633KL: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB RAM

A403: Original memory entry

4 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 (M2) ZB633KL

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (dedicated slot)

2. A403

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 (M2) ZB633KL

    4000 mAh

    +2600 mAh versus A403

  2. 2. A403

    1400 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 (M2) ZB633KL2. A403

Everyday essentials
Everyday essentials — specifications for Zenfone Max (M2) ZB633KL, A403.
SpecificationZenfone Max (M2) ZB633KLA403
Dimensions (HxWxD)
  • 158.4 Х 76.3 Х 7.7 mm
  • 125 Х 65 Х 10.2 mm
Weight
  • 160 g
  • 113 g
Technology
  • IPS LCD
Unknown
Screen size
  • 6.26" inch
  • 4" inch
Screen resolution
  • 720 x 1520 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 GB RAM 32 GB
  • 3 GB RAM
  • 4 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.
  • 4000 mAh
  • Non-removable Li-Ion
  • 1400 mAh
  • Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • Android 4.4.2 (KitKat)
Chipset
  • Qualcomm SDM632 Snapdragon 632 (14 nm)
  • Spreadtrum SC7715
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone Max (M2) ZB633KL, A403.
SpecificationZenfone Max (M2) ZB633KLA403
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
  • 80.9%
  • 56.1%
PPI /points per inch/
  • 269 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Zenfone Max (M2) ZB633KL, A403.
SpecificationZenfone Max (M2) ZB633KLA403
Rear camera, main
  • 13 MP
  • Dual
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • f/1.8
  • 1.12µm
  • PDAF -2 MP
  • depth sensor
  • 3.15 MP
Functions
  • LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 1.12µm
  • 1.3 MP
Performance
Performance — specifications for Zenfone Max (M2) ZB633KL, A403.
SpecificationZenfone Max (M2) ZB633KLA403
Processor CPU
  • Octa-core (4x1.8 GHz Kryo 250 Gold & 4x1.8 GHz Kryo 250 Silver)
  • 1.0 GHz
Graphics processor GPU
  • Adreno 506
Unknown
General specs
General specs — specifications for Zenfone Max (M2) ZB633KL, A403.
SpecificationZenfone Max (M2) ZB633KLA403
Release date
  • 2018
  • December
  • 2015
  • August
Colors
  • Black
  • Blue
  • Black
  • Light Blue
  • Red
  • Yellow
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone Max (M2) ZB633KL, A403.
SpecificationZenfone Max (M2) ZB633KLA403
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 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 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 Cat4 150/50 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
  • A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.0
Harmful irradiation Unknown
  • SAR EU - 0.38 W/kg (head) 0.68 W/kg (body)
Music and Audio
Music and Audio — specifications for Zenfone Max (M2) ZB633KL, A403.
SpecificationZenfone Max (M2) ZB633KLA403
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Zenfone Max (M2) ZB633KL, A403.
SpecificationZenfone Max (M2) ZB633KLA403
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer