O2 XDA Comet vs ZTE Nubia Z9 Max
Compare recorded specifications, size and practical differences.
ZTE Nubia Z9 Max
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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 Comet: 20 g lighter
- XDA Comet:
- 145 g
- Nubia Z9 Max:
- 165 g
-
Width
XDA Comet: 18.6 mm narrower
- XDA Comet:
- 58 mm
- Nubia Z9 Max:
- 76.6 mm
-
Screen diagonal
XDA Comet: 2.8 in smaller diagonal
- XDA Comet:
- 2.7 in
- Nubia Z9 Max:
- 5.5 in
-
Depth
Nubia Z9 Max: 11.1 mm thinner
- XDA Comet:
- 19 mm
- Nubia Z9 Max:
- 7.9 mm
-
Height
XDA Comet: 48.8 mm shorter
- XDA Comet:
- 106 mm
- Nubia Z9 Max:
- 154.8 mm
-
Release year
- XDA Comet:
- 2007
- Nubia Z9 Max:
- 2015
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. XDA Comet
- Height:
- 106 mm
- Width:
- 58 mm
- Depth:
- 19 mm +11.1 mm versus Nubia Z9 Max
2. Nubia Z9 Max
- Height:
- 154.8 mm +48.8 mm versus XDA Comet
- Width:
- 76.6 mm +18.6 mm versus XDA Comet
- Depth:
- 7.9 mm
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. XDA Comet
- Screen diagonal:
- 2.7 in
- Aspect ratio (height:width):
- 4:3
- Approximate rectangular screen area:
- 22.6 cm²
2. Nubia Z9 Max
- Screen diagonal:
- 5.5 in
- Aspect ratio (height:width):
- 16:9
- Approximate rectangular screen area:
- 83.4 cm²
Nubia Z9 Max has approximately 269.4% more rectangular screen area than XDA Comet.
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.
| Storage | XDA Comet | Nubia Z9 Max |
|---|---|---|
| 16 GB | Unknown | 3 GB RAM |
XDA Comet: Original memory entry
64 MB RAM · 1 GB 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. XDA Comet
- NFC:
- Unknown
- Headphone jack:
- No
- Memory card support:
- See details miniSD
2. Nubia Z9 Max
- NFC:
- Yes
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 256 GB (dedicated slot)
Battery capacity
Capacity is not battery life. No endurance test is implied.
At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.
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 | XDA Comet | Nubia Z9 Max |
|---|---|---|
| Dimensions (HxWxD) |
|
|
| Weight |
|
|
| Technology |
|
Unknown |
| 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 |
|
|
| Battery Capacity is not battery life. No endurance test is implied. |
|
|
| Operating system OS |
|
|
| Chipset | Unknown |
|
| NFC | Unknown |
|
| Headphone jack |
|
|
Display
| Specification | XDA Comet | Nubia Z9 Max |
|---|---|---|
| Touchscreen |
|
|
| Display colors |
|
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| Screen area |
|
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| Screen format |
|
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| Screen to body ratio |
|
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| PPI /points per inch/ |
|
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Camera and Video
| Specification | XDA Comet | Nubia Z9 Max |
|---|---|---|
| Rear camera, main |
|
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| Camera specs |
|
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| Functions |
|
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| Video |
|
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| Front camera, selfie |
|
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| Specifications |
|
|
Performance
Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.
| Specification | XDA Comet | Nubia Z9 Max |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU | Unknown |
|
| Antutu 7 score * | Unknown |
|
| GeekBench 4 Single Core * | Unknown |
|
| GeekBench 4 Multi-Core * | Unknown |
|
| GeekBench 4 RenderScript * | Unknown |
|
General specs
| Specification | XDA Comet | Nubia Z9 Max |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. | Unknown |
|
| Battery life |
|
|
Communication and Connectivity
| Specification | XDA Comet | Nubia Z9 Max |
|---|---|---|
| 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 | XDA Comet | Nubia Z9 Max |
|---|---|---|
| Radio |
|
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| Others |
|
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Other features
| Specification | XDA Comet | Nubia Z9 Max |
|---|---|---|
| Dop |
|
|



