Detailed comparison and review of Ulefone Armor X3 and Xiaomi Redmi Note 9S. 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 Note 9S |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch - Rugged | Touch | |
| Height | 158 mm | 165.75 mm | Xiaomi Redmi Note 9S has greater height than Ulefone Armor X3. |
| Width | 77.5 mm | 76.68 mm | Ulefone Armor X3 has greater width than Xiaomi Redmi Note 9S. |
| Depth | 13.85 mm | 8.8 mm | Xiaomi Redmi Note 9S is narrower than Ulefone Armor X3. |
| Weight | 235 g | 209 g | Xiaomi Redmi Note 9S is lighter than Ulefone Armor X3. |
| Body Colour | Silver | Aurora blue | |
| Body Material | Aluminium alloy, thermoplastic polyurethane (TPU) | Curved 3D glass, Gorilla glass 5 | |
| Protection | Dustproof, waterproof, drop-proof, splash-resistant | Dustproof, splashproof | |
| Waterproof (Water-resistant) | Yes | - | Ulefone Armor X3 is waterproof. |
| IP rating | IP68, IP69K, IP69 | - | |
| SAR Value | 0.356 W/kg (body), 0.186 W/kg (head) | 0.98 W/kg (body), 0.72 W/kg (head), 2.35 W/kg (limb) | |
| Integrated Components | - | Ultra-linear speakers | |
| 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 | 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 Note 9S |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | - | |
| Screen Size (Display Size) | 5.5" | 6.67" | Xiaomi Redmi Note 9S has larger screen size than Ulefone Armor X3. |
| Screen Resolution (Display Resolution) | 1440 x 720 pixels | 2400 x 1080 pixels | Xiaomi Redmi Note 9S has better screen resolution than Ulefone Armor X3. |
| Display Format | HD+ | Full HD+ | |
| Pixel Density | 293 ppi | - | |
| Aspect Ratio | 18:9 | - | |
| Contrast Ratio | - | 1500:1 | |
| HDR | - | Yes | Xiaomi Redmi Note 9S has HDR. |
| Display Features | - | Reading mode 2.0, Dot Display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Ulefone Armor X3 | Xiaomi Redmi Note 9S |
|---|
| Processor Type (CPU) | MediaTek | Qualcomm Snapdragon 720G | |
|---|---|---|---|
| Processor Number | MT6580 | - | |
| Clock Speed | 1.3 GHz | 2.3 GHz | Xiaomi Redmi Note 9S has higher clock speed than Ulefone Armor X3. |
| Processor Core Qty | Quad-core | 8-core | Xiaomi Redmi Note 9S has higher processor core quantity than Ulefone Armor X3. |
| 64-bit Architecture | - | Yes | Xiaomi Redmi Note 9S has 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 618 |
| MEMORY | Ulefone Armor X3 | Xiaomi Redmi Note 9S |
|---|
| RAM | 2 GB | 4 GB | Xiaomi Redmi Note 9S has more RAM than Ulefone Armor X3. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Xiaomi Redmi Note 9S has more internal memory than Ulefone Armor X3. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 512 GB |
| CAMERA | Ulefone Armor X3 | Xiaomi Redmi Note 9S |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 4 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 48 Megapixel | Xiaomi Redmi Note 9S has better camera resolution than Ulefone Armor X3. |
| Sensor Size | - | 1/2" | |
| Lens Aperture | F/1.8 | F/1.79 | Xiaomi Redmi Note 9S has better lens aperture than Ulefone Armor X3. |
| Lens Construction | 5-element | 6-element | |
| Field of View (FoV) | - | 79 degree(s) | |
| Pixel Size | - | 0.8 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR, Kaleidoscope | |
| Camera Modes | Underwater mode | Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 9S has face detection. |
| Light Source | Dual LED flash | Dual LED flash | |
| Still Image Resolutions | - | 8000 x 6000 | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 960 fps | |
| Camera Features (Functions) | - | 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Ultra wide-angle edge distortion correction, Steady handheld night photography, full screen frame, AI watermark |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 8 Megapixel | Xiaomi Redmi Note 9S 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) | - | 119 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.12 μm |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Pixel Size (3rd Camera) | - | 1.12 μm | |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | - | AF (2cm-10cm) |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (4th Camera) | - | F/2.4 | |
| Pixel Size (4th Camera) | - | 1.75 μm | |
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 16 Megapixel | Xiaomi Redmi Note 9S has better front camera resolution than Ulefone Armor X3. |
| Lens Aperture (Front) | F/2.0 | F/2.48 | Ulefone Armor X3 has better front lens aperture than Ulefone Armor X3. |
| Lens Element Qty (Front) | 4-element | - | |
| Pixel Size (Front) | - | 1 μm | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Panoramic selfies, AI portrait mode, AI Beautify, Slo-mo Selfie | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 9S has face detection. |
| Light Source (Front) | - | Display flash | |
| Camera Features (Front) | - | AI scene detection, Palm shutter, AI silhouette detection |
| BATTERY AND CHARGING | Ulefone Armor X3 | Xiaomi Redmi Note 9S |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 5020 mAh | Xiaomi Redmi Note 9S has larger battery capacity than Ulefone Armor X3. |
|---|---|---|---|
| Standby Time | 440 hours | - | |
| Talk Time | 1500 minutes | 1980 minutes | Xiaomi Redmi Note 9S 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 1980 min Gaming: up to 13 hrs Playback (Music): up to 147 hrs Navigation: up to 16 hrs |
|
| Battery Technology | Lithium polymer | Lithium Ion |
| CELLULAR | Ulefone Armor X3 | Xiaomi Redmi Note 9S |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 3G | 4G | Xiaomi Redmi Note 9S has more advanced generation mobile network. |
| Operating System | Android 9.0 Pie | - | |
| User Interface | - | MIUI 10 | |
| Payment Technology | - | Google Pay | |
| Navigation | GPS | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Ulefone Armor X3 | Xiaomi Redmi Note 9S |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1900 GSM, 2100 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | - | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40 | |
| 4G LTE Frequency | - | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 5.0 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Ulefone Armor X3 | Xiaomi Redmi Note 9S |
|---|
| Supported Digital Audio Standards | AAC, AMR, MP3, FLAC | WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio), MP4 | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, 3GP | MKV, XviD, M4V, MP4 | |
| Audio Amplifier | - | Smart PA |
| FEATURES | Ulefone Armor X3 | Xiaomi Redmi Note 9S |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, digital compass, L-sensor, P-sensor | Accelerometer, digital compass, gyro sensor, distance sensor, infrared (IR) sensor, In-screen ambient light sensor | |
| Security Devices | Face recognition | Face recognition, fingerprint reader (side) | |
| Security Technology | - | A.I. face recognition | |
| Additional Phone Features | Face Unlock, Glove mode, customised button | Infrared remote control, AI face unlock, Qualcomm 5th generation AI Engine, Z-axis linear vibration motor |
| OTHERS | Ulefone Armor X3 | Xiaomi Redmi Note 9S |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool, tempered glass screen protector | Protective cover, SIM card removal tool, USB-C cable, 18W charger | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G, IP68, IP69K | TUV Rheinland | |
| Max Depth of Water Resistance | 1.5 m | - | |
| Max Operating Temperature | 60 °C | - | |
| Min Operating Temperature | -20 °C | - |
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