Asus Zenfone Max Pro (M2) ZB631KL vs O2 XDA Star
Compare recorded specifications, size and practical differences.
O2 XDA Star
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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
XDA Star: 55 g lighter
- Zenfone Max Pro (M2) ZB631KL:
- 175 g
- XDA Star:
- 120 g
-
Width
XDA Star: 20.5 mm narrower
- Zenfone Max Pro (M2) ZB631KL:
- 75.5 mm
- XDA Star:
- 55 mm
-
Screen diagonal
XDA Star: 3.66 in smaller diagonal
- Zenfone Max Pro (M2) ZB631KL:
- 6.26 in
- XDA Star:
- 2.6 in
-
Chipset
- Zenfone Max Pro (M2) ZB631KL:
- Qualcomm SDM660 Snapdragon 660 (14 nm)
- XDA Star:
- Qualcomm MSM7200
-
Rear camera layout
- Zenfone Max Pro (M2) ZB631KL:
- Dual
- XDA Star:
- Single
-
Depth
Zenfone Max Pro (M2) ZB631KL: 7.3 mm thinner
- Zenfone Max Pro (M2) ZB631KL:
- 8.5 mm
- XDA Star:
- 15.8 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. Zenfone Max Pro (M2) ZB631KL
- Height:
- 157.9 mm +50.9 mm versus XDA Star
- Width:
- 75.5 mm +20.5 mm versus XDA Star
- Depth:
- 8.5 mm
2. XDA Star
- Height:
- 107 mm
- Width:
- 55 mm
- Depth:
- 15.8 mm +7.3 mm versus Zenfone Max Pro (M2) ZB631KL
Weight
Bars start at zero and share a scale within this chart.
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. Zenfone Max Pro (M2) ZB631KL
- Screen diagonal:
- 6.26 in
- Aspect ratio (height:width):
- 19:9
- Approximate rectangular screen area:
- 97.8 cm²
2. XDA Star
- Screen diagonal:
- 2.6 in
- Aspect ratio (height:width):
- 4:3
- Approximate rectangular screen area:
- 20.9 cm²
Zenfone Max Pro (M2) ZB631KL has approximately 367.2% more rectangular screen area than XDA Star.
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 Pro (M2) ZB631KL: Original memory entry
64 GB · 4/6 GB RAM 32 GB · 3 GB RAM
XDA Star: Original memory entry
96 MB RAM · 128 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 Pro (M2) ZB631KL
- NFC:
- Yes
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 512 GB (dedicated slot)
2. XDA Star
- 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.
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.
Everyday essentials
| Specification | Zenfone Max Pro (M2) ZB631KL | XDA Star |
|---|---|---|
| Dimensions (HxWxD) |
|
|
| Weight |
|
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| Technology |
|
|
| Screen size |
|
|
| Screen resolution |
|
|
| Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. |
|
|
| Memory card support |
|
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| Battery Capacity is not battery life. No endurance test is implied. |
|
|
| Operating system OS |
|
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| Chipset |
|
|
| NFC |
|
Unknown |
| Headphone jack |
|
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Display
| Specification | Zenfone Max Pro (M2) ZB631KL | XDA Star |
|---|---|---|
| Touchscreen |
|
|
| Display colors |
|
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| Screen area |
|
|
| Screen format |
|
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| Screen to body ratio |
|
|
| PPI /points per inch/ |
|
|
| Screen protection |
|
Unknown |
Camera and Video
| Specification | Zenfone Max Pro (M2) ZB631KL | XDA Star |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs |
|
|
| Functions |
|
Unknown |
| Video |
|
|
| Front camera, selfie |
|
|
| Specifications |
|
|
Performance
Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.
| Specification | Zenfone Max Pro (M2) ZB631KL | XDA Star |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU |
|
|
| GeekBench 5 Single Core * |
|
Unknown |
| GeekBench 5 Multi-Core * |
|
Unknown |
General specs
| Specification | Zenfone Max Pro (M2) ZB631KL | XDA Star |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Battery life | Unknown |
|
| Body build |
|
Unknown |
Communication and Connectivity
| Specification | Zenfone Max Pro (M2) ZB631KL | XDA Star |
|---|---|---|
| SIM card |
|
|
| Network |
|
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| Speed |
|
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| GPRS |
|
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| Edge |
|
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| Wi-Fi |
|
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| GPS |
|
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| USB |
|
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| Bluetooth |
|
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Music and Audio
| Specification | Zenfone Max Pro (M2) ZB631KL | XDA Star |
|---|---|---|
| Radio |
|
|
| Others |
|
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Other features
| Specification | Zenfone Max Pro (M2) ZB631KL | XDA Star |
|---|---|---|
| Dop |
|
|



