Side-by-side technical data
Lava Z91 vs Ulefone S11
Comparison between Lava Z91 and Ulefone S11: camera, battery, fast charging, display, performance and colors, side by side. More phones from Lava and Ulefone.
The verdict
Neither runs away with it: each wins something.
| Category | Z91 | S11 |
|---|---|---|
| Design & display | 5.3 | 5.4 |
| Performance & hardware | 1.4 | 1.7 |
| Camera | 3.1 | 3.3 |
| Connectivity | 3.5 | 1.9 |
| Battery & charging | 2.2 | 3.0 |
Which one is for you?
Lava Z91, if you care about…
- Wi-Fi Standards
- Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
- against Wi-Fi 802.11 b/g/n
- Display Pixel Density
- 282 ppi
- against 232 ppi
- Weight
- 147 g
- against 177.5 g
- Body Thickness
- 7.7 mm
- against 9.7 mm
Ulefone S11, if you care about…
- Battery Capacity
- 3,500 mAh
- against 3,000 mAh
- RAM Capacity
- 3 GB
- against 2 GB
- Maximum Storage Capacity
- 32 GB
- against 16 GB
- Usable Surface
- 80.2 %
- against 75.7 %
Specification comparison
Performance
| Specification | Z91 | S11 |
|---|---|---|
| Processor Model | MediaTek MT6739 | MediaTek MT6580 |
| Processor Process Size | 28 nm | 28 nm |
| Graphics GPU | PowerVR GE8100 | Mali-400 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 1.3 GHz | 1.3 GHz |
| Maximum Storage Capacity | 16 GB | 32 GB Best value |
| Geekbench 6 Single-Core | 456 | — |
| Geekbench 6 Multi-Core | 1,499 | — |
| CPU Description | Quad-core 1.3 GHz Cortex-A53 | Quad-core 1.3 GHz Cortex-A7 |
| Processor Type | Quad-Core | Quad-Core |
| 64-Bit Processor | Yes | — |
| RAM Capacity | 2 GB | 3 GB Best value |
| Expandable Storage | Yes | Yes |
Design
| Specification | Z91 | S11 |
|---|---|---|
| Body Colors | Blue | Black, Gold, Twilight |
| Body Thickness | 7.7 mm Best value | 9.7 mm |
| Body Width | 72.9 mm | 73.7 mm |
| Body Height | 152 mm | 156.1 mm |
| Weight | 147 g Best value | 177.5 g |
| Usable Surface | 75.7 % | 80.2 % Best value |
| Unfolded thickness | 7.7 mm | — |
Battery
| Specification | Z91 | S11 |
|---|---|---|
| Battery Capacity | 3,000 mAh | 3,500 mAh Best value |
| Battery Type | Li-Polymer | Li-Po |
| Battery Features | Battery Level Indicator, Rechargeable | — |
Display
| Specification | Z91 | S11 |
|---|---|---|
| Display Aspect Ratio | 18:9 | 15:32 |
| Display Technology | IPS LCD | IPS LCD |
| Display Diagonal | 5.7″ | 6.1″ Best value |
| Display Horizontal Resolution | 720 px Best value | 600 px |
| Display Vertical Resolution | 1,440 px Best value | 1,280 px |
| Display Pixel Density | 282 ppi Best value | 232 ppi |
| Display Features | Touchscreen | — |
Sensors
| Specification | Z91 | S11 |
|---|---|---|
| Fingerprint Sensor Placement | Rear | — |
Sensor
| Specification | Z91 | S11 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor | Accelerometer, Proximity Sensor |
Software
| Specification | Z91 | S11 |
|---|---|---|
| Operating System | Android 7 | Android 8.1 |
| OS Family | Android | Android |
| OS Version | 7 | 8 Best value |
Connectivity
| Specification | Z91 | S11 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM | Nano-SIM + Micro-SIM |
| Cellular Bands | 2G GSM 900, 2G GSM 1800, 3G UMTS B900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B40, 4G LTE B41 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100 |
| Cellular Technologies | GSM, HSPA, UMTS, LTE, 4G Best value | GSM, HSPA |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) Best value | Wi-Fi 802.11 b/g/n |
| Wi-Fi Features | Dual Band, Wi-Fi Direct | Wi-Fi 802.11 b/g/n |
| Bluetooth Version | Bluetooth 4.0 | Bluetooth 4.0 |
| Bluetooth Profiles | A2DP | A2DP |
| Navigation Systems | GPS | GPS |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, microUSB, USB OTG | 3.5 mm Audio Jack, FM Radio, microUSB, USB 2.0 |
| USB Version | microUSB | microUSB |
| Max. download speed | 150 Mbps | — |
| Max. upload speed | 50 Mbps | — |
Audio
| Specification | Z91 | S11 |
|---|---|---|
| Microphone Count | 1 | — |
| Audio Features | A2DP, Loudspeaker | A2DP, Loudspeaker |
