Side-by-side technical data
Ulefone Armor X8i vs BLU S91
Comparison between Ulefone Armor X8i and BLU S91: camera, battery, fast charging, display, performance and colors, side by side. More phones from Ulefone and BLU.
The verdict
Your pick: BLU S91, ahead on Design & display, Performance & hardware and Battery & charging. Unless Camera or Connectivity decides it for you.
| Category | Armor X8i | S91 |
|---|---|---|
| Design & display | 4.0 | 4.5 |
| Performance & hardware | 2.1 | 3.0 |
| Camera | 3.0 | 2.0 |
| Connectivity | 5.4 | 4.6 |
| Battery & charging | 5.2 | 5.7 |
Which one is for you?
Ulefone Armor X8i, if you care about…
- Display Pixel Density
- 282 ppi
- against 270 ppi
BLU S91, if you care about…
- RAM Capacity
- 4 GB
- against 3 GB
- Maximum Storage Capacity
- 128 GB
- against 32 GB
- Weight
- 202 g
- against 256 g
- Usable Surface
- 81.1 %
- against 66.2 %
Specification comparison
Performance
| Specification | Armor X8i | S91 |
|---|---|---|
| Processor Model | MediaTek Helio A25 | MediaTek Helio G25 |
| Processor Process Size | 12 nm | 12 nm |
| Graphics GPU | PowerVR GE8320 | PowerVR GE8320 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 1.8 GHz | 2 GHz Best value |
| Maximum Storage Capacity | 32 GB | 128 GB Best value |
| AnTuTu Score | 93,500 | 127,700 |
| Geekbench 6 Single-Core | — | 185 |
| Geekbench 6 Multi-Core | — | 521 |
| CPU Description | Octa-core (4x1.8 GHz Cortex-A53 and 4x1.5 GHz Cortex-A53) | Octa-core CPU with 4 Cortex-A53 cores at 2.0 GHz and 4 Cortex-A53 cores at 1.5 GHz |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 3 GB | 4 GB Best value |
| RAM Type | LPDDR4X | DDR4 |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v8 | — |
Design
| Specification | Armor X8i | S91 |
|---|---|---|
| Body Colors | Black, Orange, Red | Black, Green |
| Body Thickness | 13.8 mm | 8.9 mm Best value |
| Body Width | 79 mm | 76.3 mm |
| Body Height | 160.3 mm | 164.8 mm |
| Weight | 256 g | 202 g Best value |
| Usable Surface | 66.2 % | 81.1 % Best value |
| Body Materials | Aluminium Alloy | — |
| Resistance Features | IP68, IP69K, IP69, MIL-STD-810G | — |
| Waterproof Depth | 1.5 m | — |
Battery
| Specification | Armor X8i | S91 |
|---|---|---|
| Battery Capacity | 5,080 mAh Best value | 5,000 mAh |
| Battery Type | Li-Polymer | Li-Polymer |
| Fast Charge Power | 10 W | — |
| Battery Features | Fast Charging, Non-Removable, Battery Level Indicator, Rechargeable | Battery Level Indicator, Rechargeable |
Display
| Specification | Armor X8i | S91 |
|---|---|---|
| Display Aspect Ratio | 18:9 | 20:9 |
| Display Technology | IPS LCD | IPS LCD |
| Display Diagonal | 5.7″ | 6.5″ Best value |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,440 px | 1,600 px Best value |
| Display Pixel Density | 282 ppi Best value | 270 ppi |
| Display Features | IPS LCD, Capacitive Touch, Multi-Touch | IPS LCD, Touchscreen |
Sensors
| Specification | Armor X8i | S91 |
|---|---|---|
| Fingerprint Sensor Placement | Rear | Rear |
Sensor
| Specification | Armor X8i | S91 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Light Sensor | Fingerprint Sensor, Accelerometer, Gyroscope, Compass, Proximity Sensor |
Software
| Specification | Armor X8i | S91 |
|---|---|---|
| Operating System | Android 11 | Android 11 |
| OS Family | Android | Android |
| OS Version | 11 | 11 |
| Google Services | Yes | — |
Connectivity
| Specification | Armor X8i | S91 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM | Dual Nano-SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B17, 4G LTE B19, 4G LTE B20, 4G LTE B28A | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B12, 4G LTE B13, 4G LTE B17, LTE B28, 4G LTE B66 |
| Cellular Technologies | GSM, HSPA, UMTS, LTE, 4G | GSM, HSPA, UMTS, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) | Wi-Fi 802.11a/b/g/n, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display | Wi-Fi Direct, Wi-Fi 802.11a/b/g/n |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, Galileo, BeiDou Best value | GPS, Galileo |
| Connectivity Features | 3.5 mm Audio Jack, NFC, FM Radio, USB Charging, USB Mass Storage, USB OTG, USB Type-C, Computer Sync, OTA Sync, Tethering | 3.5 mm Audio Jack, FM Radio, USB Type-C, USB OTG |
| USB Version | USB 2.0 | USB 2.0 |
| SAR (EU) head | 0.217 W/kg | — |
| SAR (EU) body | 0.858 W/kg | — |
| Max. download speed | 150 Mbps | 150 Mbps |
| Max. upload speed | 50 Mbps | 50 Mbps |
Audio
| Specification | Armor X8i | S91 |
|---|---|---|
| Audio Features | A2DP, LE, Loudspeaker | Loudspeaker |
