Asus Zenfone Max (M2) ZB633KL vs O2 XDA Stellar

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

    Zenfone Max (M2) ZB633KL: 30 g lighter

    Zenfone Max (M2) ZB633KL:
    160 g
    XDA Stellar:
    190 g
  • Width

    XDA Stellar: 17.3 mm narrower

    Zenfone Max (M2) ZB633KL:
    76.3 mm
    XDA Stellar:
    59 mm
  • Screen diagonal

    XDA Stellar: 3.46 in smaller diagonal

    Zenfone Max (M2) ZB633KL:
    6.26 in
    XDA Stellar:
    2.8 in
  • Chipset

    Zenfone Max (M2) ZB633KL:
    Qualcomm SDM632 Snapdragon 632 (14 nm)
    XDA Stellar:
    Qualcomm MSM7200
  • Rear camera layout

    Zenfone Max (M2) ZB633KL:
    Dual
    XDA Stellar:
    Single
  • Depth

    Zenfone Max (M2) ZB633KL: 10.9 mm thinner

    Zenfone Max (M2) ZB633KL:
    7.7 mm
    XDA Stellar:
    18.6 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 +46.4 mm versus XDA Stellar
    Width:
    76.3 mm +17.3 mm versus XDA Stellar
    Depth:
    7.7 mm
  2. 2. XDA Stellar

    Height:
    112 mm
    Width:
    59 mm
    Depth:
    18.6 mm +10.9 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

  2. 2. XDA Stellar

    190 g

    +30 g versus Zenfone Max (M2) ZB633KL

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. XDA Stellar

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

Zenfone Max (M2) ZB633KL has approximately 302.9% more rectangular screen area than XDA Stellar.

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

XDA Stellar: Original memory entry

128 MB RAM · 256 MB ROM

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. XDA Stellar

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

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

    +2650 mAh versus XDA Stellar

  2. 2. XDA Stellar

    1350 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. XDA Stellar

Everyday essentials
Everyday essentials — specifications for Zenfone Max (M2) ZB633KL, XDA Stellar.
SpecificationZenfone Max (M2) ZB633KLXDA Stellar
Dimensions (HxWxD)
  • 158.4 Х 76.3 Х 7.7 mm
  • 112 Х 59 Х 18.6 mm
Weight
  • 160 g
  • 190 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.26" inch
  • 2.8" inch
Screen resolution
  • 720 x 1520 px
  • 240 x 320 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
  • 128 MB RAM
  • 256 MB ROM
Memory card support
  • microSD
  • up to 512 GB (dedicated slot)
  • microSD
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Ion
  • 1350 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • Microsoft Windows Mobile 6.0 Professional
Chipset
  • Qualcomm SDM632 Snapdragon 632 (14 nm)
  • Qualcomm MSM7200
Headphone jack
  • Yes
  • No
Display
Display — specifications for Zenfone Max (M2) ZB633KL, XDA Stellar.
SpecificationZenfone Max (M2) ZB633KLXDA Stellar
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 97.8 cm2
  • 24.3 cm2
Screen format
  • 19:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 80.9%
  • 36.7%
PPI /points per inch/
  • 269 PPI
  • 143 PPI
Camera and Video
Camera and Video — specifications for Zenfone Max (M2) ZB633KL, XDA Stellar.
SpecificationZenfone Max (M2) ZB633KLXDA Stellar
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
  • AF
Functions
  • LED flash
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 1.12µm
  • VGA videocall camera
Performance
Performance — specifications for Zenfone Max (M2) ZB633KL, XDA Stellar.
SpecificationZenfone Max (M2) ZB633KLXDA Stellar
Processor CPU
  • Octa-core (4x1.8 GHz Kryo 250 Gold & 4x1.8 GHz Kryo 250 Silver)
  • 400 MHz ARM 11
Graphics processor GPU
  • Adreno 506
  • Adreno 130
General specs
General specs — specifications for Zenfone Max (M2) ZB633KL, XDA Stellar.
SpecificationZenfone Max (M2) ZB633KLXDA Stellar
Release date
  • 2018
  • December
  • 2007
  • November
Colors
  • Black
  • Blue
  • Silver
Battery life Unknown
  • Stand by time- Up to 365 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone Max (M2) ZB633KL, XDA Stellar.
SpecificationZenfone Max (M2) ZB633KLXDA Stellar
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-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 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.0
Music and Audio
Music and Audio — specifications for Zenfone Max (M2) ZB633KL, XDA Stellar.
SpecificationZenfone Max (M2) ZB633KLXDA Stellar
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
  • Handwriting recognition
Other features
Other features — specifications for Zenfone Max (M2) ZB633KL, XDA Stellar.
SpecificationZenfone Max (M2) ZB633KLXDA Stellar
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Pocket Office -Business card reader -Voice memo -Media Player 10 HTC Kaiser platform