Energizer Ultimate U620S vs ZTE nubia Z18
Compare recorded specifications, size and practical differences.
ZTE nubia Z18
Replace
+ Add a third phone
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
nubia Z18: 2.9 mm narrower
- Ultimate U620S:
- 75.5 mm
- nubia Z18:
- 72.6 mm
-
Screen diagonal
nubia Z18: 0.21 in smaller diagonal
- Ultimate U620S:
- 6.2 in
- nubia Z18:
- 5.99 in
-
Chipset
- Ultimate U620S:
- Mediatek MT6765 Helio P35 (12nm)
- nubia Z18:
- Qualcomm SDM845 Snapdragon 845 (10 nm)
-
Rear camera layout
- Ultimate U620S:
- Triple
- nubia Z18:
- Dual
-
Height
nubia Z18: 7.2 mm shorter
- Ultimate U620S:
- 155.8 mm
- nubia Z18:
- 148.6 mm
-
Release year
- Ultimate U620S:
- 2019
- nubia Z18:
- 2018
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 U620S
- Height:
- 155.8 mm +7.2 mm versus nubia Z18
- Width:
- 75.5 mm +2.9 mm versus nubia Z18
- Depth:
- 8.3 mm
- Weight:
- Unknown
2. nubia Z18
- Height:
- 148.6 mm
- Width:
- 72.6 mm
- Depth:
- 8.6 mm
- Weight:
- 172 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 U620S
- Screen diagonal:
- 6.2 in
- Aspect ratio (height:width):
- 18.5:9
- Approximate rectangular screen area:
- 97.6 cm²
2. nubia Z18
- Screen diagonal:
- 5.99 in
- Aspect ratio (height:width):
- 18:9
- Approximate rectangular screen area:
- 92.6 cm²
Ultimate U620S has approximately 5.4% more rectangular screen area than nubia Z18.
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 U620S: Original memory entry
64 GB · 512GB 4GB
nubia Z18: Original memory entry
128 GB · 8 GB RAM 64 GB · 6 GB RAM
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 U620S
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 128 GB (uses SIM 2 slot)
2. nubia Z18
- NFC:
- Unknown
- Headphone jack:
- No
- Memory card support:
- No
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 U620S | nubia Z18 |
|---|---|---|
| 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 |
|
|
| Headphone jack |
|
|
Display
| Specification | Ultimate U620S | nubia Z18 |
|---|---|---|
| Touchscreen |
|
|
| Display colors |
|
|
| Screen area |
|
|
| Screen format |
|
|
| Screen to body ratio |
|
|
| PPI /points per inch/ |
|
|
| Screen protection | Unknown |
|
Camera and Video
| Specification | Ultimate U620S | nubia Z18 |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs |
|
|
| Functions |
|
|
| Video |
|
|
| Front camera, selfie |
|
|
| Specifications |
|
|
Performance
| Specification | Ultimate U620S | nubia Z18 |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU |
|
|
General specs
| Specification | Ultimate U620S | nubia Z18 |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. | Unknown |
|
Communication and Connectivity
| Specification | Ultimate U620S | nubia Z18 |
|---|---|---|
| SIM card |
|
|
| Network |
|
|
| Speed |
|
|
| GPRS |
|
|
| Edge |
|
|
| Wi-Fi |
|
|
| GPS |
|
|
| USB |
|
|
| Bluetooth |
|
|
Music and Audio
| Specification | Ultimate U620S | nubia Z18 |
|---|---|---|
| Radio |
|
|
| Others |
|
|
Other features
| Specification | Ultimate U620S | nubia Z18 |
|---|---|---|
| Dop |
|
|