Energizer Ultimate U650S vs O2 XDA Atom Exec
Compare recorded specifications, size and practical differences.
O2 XDA Atom Exec
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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 Atom Exec: 18.5 mm narrower
- Ultimate U650S:
- 76.5 mm
- XDA Atom Exec:
- 58 mm
-
Screen diagonal
XDA Atom Exec: 3.8 in smaller diagonal
- Ultimate U650S:
- 6.5 in
- XDA Atom Exec:
- 2.7 in
-
Rear camera layout
- Ultimate U650S:
- Dual
- XDA Atom Exec:
- Single
-
Depth
Ultimate U650S: 10.3 mm thinner
- Ultimate U650S:
- 8.2 mm
- XDA Atom Exec:
- 18.5 mm
-
Height
XDA Atom Exec: 60.5 mm shorter
- Ultimate U650S:
- 162.5 mm
- XDA Atom Exec:
- 102 mm
-
Release year
- Ultimate U650S:
- 2019
- XDA Atom Exec:
- 2006
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. Ultimate U650S
- Height:
- 162.5 mm +60.5 mm versus XDA Atom Exec
- Width:
- 76.5 mm +18.5 mm versus XDA Atom Exec
- Depth:
- 8.2 mm
- Weight:
- Unknown
2. XDA Atom Exec
- Height:
- 102 mm
- Width:
- 58 mm
- Depth:
- 18.5 mm +10.3 mm versus Ultimate U650S
- Weight:
- 140 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. Ultimate U650S
- Screen diagonal:
- 6.5 in
- Aspect ratio (height:width):
- 18.5:9
- Approximate rectangular screen area:
- 107.2 cm²
2. XDA Atom Exec
- Screen diagonal:
- 2.7 in
- Aspect ratio (height:width):
- 4:3
- Approximate rectangular screen area:
- 22.6 cm²
Ultimate U650S has approximately 375% more rectangular screen area than XDA Atom Exec.
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.
Ultimate U650S: Original memory entry
128 GB · 512GB 4GB
XDA Atom Exec: Original memory entry
64 MB RAM · 192 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. Ultimate U650S
- NFC:
- Unknown
- Headphone jack:
- No
- Memory card support:
- See details microSD · up to 256 GB (uses SIM 2 slot)
2. XDA Atom Exec
- NFC:
- Unknown
- Headphone jack:
- No
- Memory card support:
- See details miniSD
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 | Ultimate U650S | XDA Atom Exec |
|---|---|---|
| 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 |
|
|
| Chipset |
|
Unknown |
| Headphone jack |
|
|
Display
| Specification | Ultimate U650S | XDA Atom Exec |
|---|---|---|
| Touchscreen |
|
|
| Display colors |
|
Unknown |
| Screen area |
|
|
| Screen format |
|
|
| Screen to body ratio |
|
|
| PPI /points per inch/ |
|
|
Camera and Video
| Specification | Ultimate U650S | XDA Atom Exec |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs |
|
|
| Functions |
|
|
| Video |
|
|
| Front camera, selfie |
|
|
| Specifications |
|
Unknown |
Performance
| Specification | Ultimate U650S | XDA Atom Exec |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU |
|
Unknown |
General specs
| Specification | Ultimate U650S | XDA Atom Exec |
|---|---|---|
| Release date |
|
|
| Colors | Unknown |
|
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. | Unknown |
|
Communication and Connectivity
| Specification | Ultimate U650S | XDA Atom Exec |
|---|---|---|
| SIM card |
|
|
| Network |
|
Unknown |
| Speed |
|
Unknown |
| GPRS |
|
|
| Edge |
|
|
| Wi-Fi |
|
|
| GPS |
|
|
| USB |
|
|
| Bluetooth |
|
|
Music and Audio
| Specification | Ultimate U650S | XDA Atom Exec |
|---|---|---|
| Radio |
|
|
| Others |
|
|
Other features
| Specification | Ultimate U650S | XDA Atom Exec |
|---|---|---|
| Dop |
|
|