Detailed comparison and review of Ulefone Armor X3 and Xiaomi Redmi 12. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Ulefone Armor X3 | Xiaomi Redmi 12 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch - Rugged | Touch | |
| Height | 158 mm | 168.6 mm | Xiaomi Redmi 12 has greater height than Ulefone Armor X3. |
| Width | 77.5 mm | 76.28 mm | Ulefone Armor X3 has greater width than Xiaomi Redmi 12. |
| Depth | 13.85 mm | 8.17 mm | Xiaomi Redmi 12 is narrower than Ulefone Armor X3. |
| Weight | 235 g | 198.5 g | Xiaomi Redmi 12 is lighter than Ulefone Armor X3. |
| Body Colour | Silver | Midnight black | |
| Body Material | Aluminium alloy, thermoplastic polyurethane (TPU) | - | |
| Protection | Dustproof, waterproof, drop-proof, splash-resistant | Spill-resistant, dust-resistant | |
| Waterproof (Water-resistant) | Yes | - | Ulefone Armor X3 is waterproof. |
| IP rating | IP68, IP69K, IP69 | IP53 | |
| SAR Value | 0.356 W/kg (body), 0.186 W/kg (head) | - | |
| Integrated Components | - | FM radio | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | - | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | Nano SIM + nano SIM/microSD |
| DISPLAY | Ulefone Armor X3 | Xiaomi Redmi 12 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | IPS | - | |
| Screen Size (Display Size) | 5.5" | 6.79" | Xiaomi Redmi 12 has larger screen size than Ulefone Armor X3. |
| Screen Resolution (Display Resolution) | 1440 x 720 pixels | 2460 x 1080 pixels | Xiaomi Redmi 12 has better screen resolution than Ulefone Armor X3. |
| Display Format | HD+ | Full HD+ | |
| Pixel Density | 293 ppi | 396 ppi | Xiaomi Redmi 12 has better pixel density than Ulefone Armor X3. |
| Aspect Ratio | 18:9 | - | |
| Max Brightness | - | 550 cd/m² | |
| Contrast Ratio | - | 1500:1 | |
| Display Enhancement Technology | - | Reading mode 3.0 | |
| Display Refresh Rate | - | 90 Hz | |
| Display Features | - | Reading mode, Dot Display, AdaptiveSync technology, 70% NTSC |
| PROCESSOR | Ulefone Armor X3 | Xiaomi Redmi 12 |
|---|
| Processor Type (CPU) | MediaTek | MediaTek Helio G88 | |
|---|---|---|---|
| Processor Number | MT6580 | - | |
| Clock Speed | 1.3 GHz | 2 GHz | Xiaomi Redmi 12 has higher clock speed than Ulefone Armor X3. |
| Processor Core Qty | Quad-core | 8-core | Xiaomi Redmi 12 has higher processor core quantity than Ulefone Armor X3. |
| Graphics System (GPU) | - | ARM Mali-G52 |
| MEMORY | Ulefone Armor X3 | Xiaomi Redmi 12 |
|---|
| RAM | 2 GB | LPDDR4X SDRAM - 4 GB + up to 16 GB virtual extension | Xiaomi Redmi 12 has more RAM than Ulefone Armor X3. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Xiaomi Redmi 12 has more internal memory than Ulefone Armor X3. |
| Memory Interface | - | eMMC 5.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Ulefone Armor X3 | Xiaomi Redmi 12 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 50 Megapixel | Xiaomi Redmi 12 has better camera resolution than Ulefone Armor X3. |
| Lens Aperture | F/1.8 | F/1.8 | Both phones have the same camera lens aperture. |
| Lens Construction | 5-element | - | |
| Focus Adjustment | Automatic | Automatic | |
| Camera Modes | Underwater mode | - | |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | - | AI Triple camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 8 Megapixel | Xiaomi Redmi 12 has better second camera resolution than Ulefone Armor X3. |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 120 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | Xiaomi Redmi 12 has better front camera resolution than Ulefone Armor X3. |
| Lens Aperture (Front) | F/2.0 | F/2.1 | Ulefone Armor X3 has better front lens aperture than Ulefone Armor X3. |
| Lens Element Qty (Front) | 4-element | - | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps |
| BATTERY AND CHARGING | Ulefone Armor X3 | Xiaomi Redmi 12 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 5000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Standby Time | 440 hours | 552 hours | Xiaomi Redmi 12 has longer standby time than Ulefone Armor X3. |
| Talk Time | 1500 minutes | 2220 minutes | Xiaomi Redmi 12 has longer battery life when making calls than Ulefone Armor X3. |
| Run Time Details | Talk: up to 1500 min Standby: up to 440 hrs Playback (Music): up to 34 hrs Playback (video): up to 9 hrs |
Talk: up to 2220 min Standby: up to 552 hrs Playback (video): up to 16 hrs Reading: up to 26 hrs |
|
| Battery Technology | Lithium polymer | - |
| CELLULAR | Ulefone Armor X3 | Xiaomi Redmi 12 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 3G | 4G | Xiaomi Redmi 12 has more advanced generation mobile network. |
| Operating System | Android 9.0 Pie | Android 13 | |
| User Interface | - | MIUI 14 | |
| Navigation | GPS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Ulefone Armor X3 | Xiaomi Redmi 12 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+ | FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | - | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 850, 900 | |
| 4G LTE Band | - | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | - | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11b/g/n | Wi-Fi | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 5.3 | |
| NFC | - | Yes | Xiaomi Redmi 12 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Ulefone Armor X3 | Xiaomi Redmi 12 |
|---|
| Supported Digital Audio Standards | AAC, AMR, MP3, FLAC | - | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, 3GP | - |
| FEATURES | Ulefone Armor X3 | Xiaomi Redmi 12 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, digital compass, L-sensor, P-sensor | Accelerometer, digital compass | |
| Security Devices | Face recognition | Face recognition, fingerprint reader (side) | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | Face Unlock, Glove mode, customised button | Fast Charging, IR blaster |
| OTHERS | Ulefone Armor X3 | Xiaomi Redmi 12 |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool, tempered glass screen protector | Power adapter, SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G, IP68, IP69K | IP53, SGS Low Blue Light Certification | |
| Max Depth of Water Resistance | 1.5 m | - | |
| Max Operating Temperature | 60 °C | - | |
| Min Operating Temperature | -20 °C | - |
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