Side-by-side technical data
Ulefone Armor X31 vs Xiaomi Redmi A4
Comparison between Ulefone Armor X31 and Xiaomi Redmi A4: camera, battery, fast charging, display, performance and colors, side by side. More phones from Ulefone and Xiaomi.
The verdict
Your pick: Xiaomi Redmi A4, ahead on Design & display and Performance & hardware. Unless Battery & charging decides it for you.
| Category | Armor X31 | Redmi A4 |
|---|---|---|
| Design & display | 4.8 | 5.2 |
| Performance & hardware | 3.8 | 4.2 |
| Camera | 3.8 | 3.8 |
| Connectivity | 6.3 | 6.2 |
| Battery & charging | 6.6 | 5.6 |
Which one is for you?
Ulefone Armor X31, if you care about…
- Battery Capacity
- 6,050 mAh
- against 5,160 mAh
- Display Pixel Density
- 269 ppi
- against 260 ppi
- Resistance Features
- IP68, IP69K, MIL-STD-810H, Drop Resistant Up to 2 m
- against IP52
- Battery Features
- Fast Charging, Reverse Charging, Non-Removable
- against Fast Charging, Non-Removable
Xiaomi Redmi A4, if you care about…
- AnTuTu Score
- 383,772
- against 269,000
- Storage Type
- UFS 2.2
- against UFS 2.1
- Bluetooth Version
- Bluetooth 5.3
- against Bluetooth 5.2
- Display Refresh Rate
- 120 Hz
- against 90 Hz
Specification comparison
Performance
| Specification | Armor X31 | Redmi A4 |
|---|---|---|
| Processor Model | MediaTek Helio G91 | Qualcomm Snapdragon 4s Gen 2 |
| Processor Process Size | 12 nm | 4 nm Best value |
| Graphics GPU | Mali-G52 MC2 | Qualcomm Adreno 613 |
| Storage Type | UFS 2.1 | UFS 2.2 Best value |
| Maximum CPU Clock | 2 GHz | 2 GHz |
| Maximum Storage Capacity | 128 GB | 128 GB |
| AnTuTu Score | 269,000 | 383,772 Best value |
| CPU Description | Octa-core CPU with 2 Cortex-A75 cores at 2.0 GHz and 6 Cortex-A55 cores at 1.8 GHz | Octa-core CPU with 2 Cortex-A78 cores and 6 Cortex-A55 cores. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 6 GB | 6 GB |
| RAM Type | LPDDR4X | LPDDR4X |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v10 | v10 |
Design
| Specification | Armor X31 | Redmi A4 |
|---|---|---|
| Body Colors | Black, Orange, Green | Black, Purple |
| Body Thickness | 13.7 mm | 8.2 mm Best value |
| Body Width | 82 mm | 77.8 mm |
| Body Height | 173.8 mm | 171.9 mm |
| Weight | 305.5 g | 212.4 g Best value |
| Usable Surface | 72.5 % | 84 % Best value |
| Body Materials | Polycarbonate | Glass, Plastic, Polycarbonate |
| Resistance Features | IP68, IP69K, MIL-STD-810H, Drop Resistant Up to 2 m Best value | IP52 |
| Waterproof Depth | 1.5 m | — |
| Drop Resistance Class | A | — |
| Repairability Class | C | — |
| Drop Test Count | 270 | — |
Battery
| Specification | Armor X31 | Redmi A4 |
|---|---|---|
| Battery Efficiency Rating | A | — |
| Battery Capacity | 6,050 mAh Best value | 5,160 mAh |
| Battery Type | Li-Polymer | Li-Polymer |
| Fast Charge Power | 18 W | 18 W |
| Battery Features | Fast Charging, Reverse Charging, Non-Removable Best value | Fast Charging, Non-Removable |
| Battery Endurance | 81 h 3 min | — |
| Charge cycles | 1,000 | — |
Display
| Specification | Armor X31 | Redmi A4 |
|---|---|---|
| Display Aspect Ratio | 20:9 | 21:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | 600 nits | 600 nits |
| Display Diagonal | 6.56″ | 6.88″ Best value |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,612 px | 1,640 px Best value |
| Display Pixel Density | 269 ppi Best value | 260 ppi |
| Display Refresh Rate | 90 Hz | 120 Hz Best value |
| Touch Sampling Rate | 240 Hz | 240 Hz |
| Display Features | Gorilla Glass 5, Mohs Level 4, Hole-Punch Notch, Scratch Resistant, Capacitive Touch, Multi-Touch | Water Drop Notch, 120Hz, Capacitive Touch, Scratch Resistant, Curved Glass, Frameless, DCI-P3, TÜV Rheinland Flicker-Free Certified, TÜV Rheinland Low Blue Light, TÜV Rheinland Eye Comfort Certification |
Sensors
| Specification | Armor X31 | Redmi A4 |
|---|---|---|
| Fingerprint Sensor Placement | Side | Side |
Sensor
| Specification | Armor X31 | Redmi A4 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer, Light Sensor, Thermometer Sensor | Fingerprint Sensor, Accelerometer, Virtual Proximity Sensing |
Software
| Specification | Armor X31 | Redmi A4 |
|---|---|---|
| Operating System | Android 14 | Android 14 |
| OS Family | Android | Android |
| OS Version | 14 | 14 |
| Google Services | Yes | Yes |
Connectivity
| Specification | Armor X31 | Redmi A4 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Dual Nano-SIM, Dual SIM Dual Standby |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS 800, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 3G UMTS B1, 3G UMTS B2, 3G UMTS B4, 3G UMTS B5, 3G UMTS B6, 3G UMTS B8, 3G UMTS B19, 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 B13, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B25, 4G LTE B26, 4G LTE B28A, 4G LTE B28B, 4G LTE B32, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B66, 4G LTE B71 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n8, 5G NR n28a, 5G NR n28b, 5G NR n40, 5G NR n78 |
| Cellular Technologies | GSM, CDMA, HSPA, LTE | GSM, HSPA, LTE, 5G Best value |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) | Wi-Fi 802.11a/b/g/n/ac |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display |
| Bluetooth Version | Bluetooth 5.2 | Bluetooth 5.3 Best value |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC Best value | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| Connectivity Features | 3.5 mm Audio Jack, Infrared, NFC, FM Radio, USB Type-C, USB Charging, USB Mass Storage, USB Host 2.0, USB OTG, Computer Sync, OTA Sync, Tethering, VoLTE, VoNR | 3.5 mm Audio Jack, USB Type-C, USB Charging, USB Mass Storage, USB Host 2.0, USB OTG, Computer Sync, OTA Sync, Tethering, VoLTE, Infrared |
| USB Version | USB 2.0 | USB 2.0 |
| SAR American Head | — | 0.81 W/kg |
| SAR American Body | — | 0.71 W/kg |
Audio
| Specification | Armor X31 | Redmi A4 |
|---|---|---|
| Audio Features | A2DP, LE, Loudspeaker | Loudspeaker, A2DP, LE |
Technical
| Specification | Armor X31 | Redmi A4 |
|---|---|---|
| Model numbers | — | 24116RNC1I |
