Nokia N-Gage QD vs O2 XDA Comet
Compare recorded specifications, size and practical differences.
O2 XDA Comet
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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.
-
Width
XDA Comet: 10 mm narrower
- N-Gage QD:
- 68 mm
- XDA Comet:
- 58 mm
-
Screen diagonal
N-Gage QD: 0.6 in smaller diagonal
- N-Gage QD:
- 2.1 in
- XDA Comet:
- 2.7 in
-
Depth
XDA Comet: 3 mm thinner
- N-Gage QD:
- 22 mm
- XDA Comet:
- 19 mm
-
Height
XDA Comet: 12 mm shorter
- N-Gage QD:
- 118 mm
- XDA Comet:
- 106 mm
-
Release year
- N-Gage QD:
- 2004
- XDA Comet:
- 2007
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. N-Gage QD
- Height:
- 118 mm +12 mm versus XDA Comet
- Width:
- 68 mm +10 mm versus XDA Comet
- Depth:
- 22 mm +3 mm versus XDA Comet
2. XDA Comet
- Height:
- 106 mm
- Width:
- 58 mm
- Depth:
- 19 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.
At least two phones need compatible screen dimensions for a drawing.
1. N-Gage QD
N-Gage QD: Screen geometry unavailable or conflicting.
2. XDA Comet
- Screen diagonal:
- 2.7 in
- Aspect ratio (height:width):
- 4:3
- Approximate rectangular screen area:
- 22.6 cm²
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.
N-Gage QD: Original memory entry
3.4 MB
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. N-Gage QD
- NFC:
- Unknown
- Headphone jack:
- No
- Memory card support:
- See details MMC
2. XDA Comet
- NFC:
- Unknown
- Headphone jack:
- No
- Memory card support:
- See details miniSD
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 | N-Gage QD | XDA Comet |
|---|---|---|
| Dimensions (HxWxD) |
|
|
| Weight |
|
|
| 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 |
|
|
| Battery Capacity is not battery life. No endurance test is implied. |
|
|
| Operating system OS |
|
|
| Headphone jack |
|
|
Display
| Specification | N-Gage QD | XDA Comet |
|---|---|---|
| Touchscreen | Unknown |
|
| Display colors |
|
|
| Screen area |
|
|
| Screen format | Unknown |
|
| Screen to body ratio |
|
|
| PPI /points per inch/ |
|
|
Camera and Video
| Specification | N-Gage QD | XDA Comet |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs | Unknown |
|
| Functions | Unknown |
|
| Video | Unknown |
|
| Front camera, selfie |
|
|
| Specifications | Unknown |
|
Performance
| Specification | N-Gage QD | XDA Comet |
|---|---|---|
| Processor CPU |
|
|
General specs
| Specification | N-Gage QD | XDA Comet |
|---|---|---|
| Release date |
|
|
| Colors | Unknown |
|
| Battery life |
|
|
Communication and Connectivity
| Specification | N-Gage QD | XDA Comet |
|---|---|---|
| SIM card |
|
|
| Network | Unknown |
|
| Speed | Unknown |
|
| GPRS |
|
|
| Edge |
|
|
| Wi-Fi |
|
|
| GPS |
|
|
| USB | Unknown |
|
| Bluetooth |
|
|
| Harmful irradiation |
|
Unknown |
Music and Audio
| Specification | N-Gage QD | XDA Comet |
|---|---|---|
| Radio |
|
|
| Others |
|
|
Other features
| Specification | N-Gage QD | XDA Comet |
|---|---|---|
| Dop |
|
|



