Celkon Millennia Everest vs O2 XDA Stellar
Compare recorded specifications, size and practical differences.
O2 XDA Stellar
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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 Stellar: 19 mm narrower
- Millennia Everest:
- 78 mm
- XDA Stellar:
- 59 mm
-
Screen diagonal
XDA Stellar: 2.7 in smaller diagonal
- Millennia Everest:
- 5.5 in
- XDA Stellar:
- 2.8 in
-
Chipset
- Millennia Everest:
- Spreadtrum SC7731
- XDA Stellar:
- Qualcomm MSM7200
-
Depth
Millennia Everest: 9.5 mm thinner
- Millennia Everest:
- 9.1 mm
- XDA Stellar:
- 18.6 mm
-
Height
XDA Stellar: 45 mm shorter
- Millennia Everest:
- 157 mm
- XDA Stellar:
- 112 mm
-
Release year
- Millennia Everest:
- 2015
- XDA Stellar:
- 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. Millennia Everest
- Height:
- 157 mm +45 mm versus XDA Stellar
- Width:
- 78 mm +19 mm versus XDA Stellar
- Depth:
- 9.1 mm
- Weight:
- Unknown
2. XDA Stellar
- Height:
- 112 mm
- Width:
- 59 mm
- Depth:
- 18.6 mm +9.5 mm versus Millennia Everest
- Weight:
- 190 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. Millennia Everest
- Screen diagonal:
- 5.5 in
- Aspect ratio (height:width):
- 16:9
- Approximate rectangular screen area:
- 83.4 cm²
2. XDA Stellar
- Screen diagonal:
- 2.8 in
- Aspect ratio (height:width):
- 4:3
- Approximate rectangular screen area:
- 24.3 cm²
Millennia Everest has approximately 243.5% 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.
| Storage | Millennia Everest | XDA Stellar |
|---|---|---|
| 8 GB | 1 GB RAM | Unknown |
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. Millennia Everest
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 32 GB
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.
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 | Millennia Everest | XDA Stellar |
|---|---|---|
| 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 |
|
|
| Headphone jack |
|
|
Display
| Specification | Millennia Everest | XDA Stellar |
|---|---|---|
| Touchscreen |
|
|
| Display colors | Unknown |
|
| Screen area |
|
|
| Screen format |
|
|
| Screen to body ratio |
|
|
| PPI /points per inch/ |
|
|
Camera and Video
| Specification | Millennia Everest | XDA Stellar |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs |
|
|
| Functions |
|
Unknown |
| Video |
|
|
| Front camera, selfie |
|
|
| Specifications |
|
|
Performance
| Specification | Millennia Everest | XDA Stellar |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU | Unknown |
|
General specs
| Specification | Millennia Everest | XDA Stellar |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Battery life | Unknown |
|
Communication and Connectivity
| Specification | Millennia Everest | XDA Stellar |
|---|---|---|
| SIM card |
|
|
| Network |
|
|
| Speed |
|
|
| GPRS |
|
|
| Edge |
|
|
| Wi-Fi |
|
|
| GPS |
|
|
| USB |
|
|
| Bluetooth |
|
|
| Harmful irradiation |
|
Unknown |
Music and Audio
| Specification | Millennia Everest | XDA Stellar |
|---|---|---|
| Radio |
|
|
| Others | Unknown |
|
Other features
| Specification | Millennia Everest | XDA Stellar |
|---|---|---|
| Dop |
|
|



