In depth comparison and review of Xiaomi MI 4i and Ulefone Armor X7. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Xiaomi MI 4i | Ulefone Armor X7 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch - Rugged | |
| Height | 138.1 mm | 150 mm | Ulefone Armor X7 has greater height than Xiaomi MI 4i. |
| Width | 69.6 mm | 78.9 mm | Ulefone Armor X7 has greater width than Xiaomi MI 4i. |
| Depth | 7.8 mm | 14.6 mm | Xiaomi MI 4i is narrower than Xiaomi MI 4i. |
| Weight | 130 g | 234 g | Xiaomi MI 4i is lighter than Xiaomi MI 4i. |
| Body Colour | Black | Dark grey | White | Orange | |
| Body Material | - | Aluminium alloy, thermoplastic polyurethane (TPU) | |
| Protection | - | Dustproof, waterproof, splash-resistant | |
| Waterproof (Water-resistant) | - | Yes | Ulefone Armor X7 is waterproof. |
| IP rating | - | IEC 60529 IP68, IEC 60529 IP69K | |
| SAR Value | 1.29 W/kg | 0.793 W/kg (body), 0.8 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Xiaomi MI 4i | Ulefone Armor X7 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 5" | 5" | Both phones have the same screen size. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1280 x 720 pixels | Xiaomi MI 4i has better screen resolution than Ulefone Armor X7. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 441 ppi | 294 ppi | Xiaomi MI 4i has better pixel density than Ulefone Armor X7. |
| Colour Depth | 16.7 million colours | - | |
| Display Protection (Screen Protector) | Corning Concore Glass | - |
| PROCESSOR | Xiaomi MI 4i | Ulefone Armor X7 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 615 | MediaTek Helio A20 | |
|---|---|---|---|
| Processor Number | - | MT6761 | |
| Clock Speed | 1.7 GHz | 1.8 GHz | Ulefone Armor X7 has higher clock speed than Xiaomi MI 4i. |
| Processor Core Qty | 8-core | Quad-core | Xiaomi MI 4i has higher processor core quantity than Ulefone Armor X7. |
| 64-bit Architecture | Yes | - | Xiaomi MI 4i has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 405 | IMG GE8300 |
| MEMORY | Xiaomi MI 4i | Ulefone Armor X7 |
|---|
| RAM | 2 GB | 2 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 16 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC - up to 128 GB |
| CAMERA | Xiaomi MI 4i | Ulefone Armor X7 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Lens Aperture | F/2.0 | F/2.2 | Xiaomi MI 4i has better lens aperture than Xiaomi MI 4i. |
| Lens Construction | 5-element | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, manual mode | Underwater mode | |
| Face Recognition (Face ID) | Face detection, smile detection | - | Xiaomi MI 4i has face detection. |
| Light Source | Dual LED flash | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 5 Megapixel | Both phones have the same front camera resolution. |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/1.8 | F/2.2 | Xiaomi MI 4i has better front lens aperture than Xiaomi MI 4i. |
| Lens Element Qty (Front) | 5-element | 4-element |
| BATTERY AND CHARGING | Xiaomi MI 4i | Ulefone Armor X7 |
|---|
| Battery Capacity (Battery Size) | 3120 mAh | 4000 mAh | Ulefone Armor X7 has larger battery capacity than Xiaomi MI 4i. |
|---|---|---|---|
| Standby Time | - | 430 hours | |
| Talk Time | 2100 minutes | 780 minutes | Xiaomi MI 4i has longer battery life when making calls than Ulefone Armor X7. |
| Run Time Details | Talk (WCDMA): up to 2100 min | Talk: up to 780 min Standby: up to 430 hrs Playback (Music): up to 26 hrs Playback (video): up to 9 hrs |
|
| Battery Technology | Lithium Ion | Lithium Ion |
| CELLULAR | Xiaomi MI 4i | Ulefone Armor X7 |
|---|
| Technology | TD-SCDMA / WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 5.0.2 (Lollipop) | Android 10 | |
| User Interface | MIUI V6 | - | |
| Payment Technology | - | Google Pay | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, Galileo |
| COMMUNICATIONS | Xiaomi MI 4i | Ulefone Armor X7 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | - | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 3, Band 7, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 19, Band 20 | |
| 4G LTE Frequency | FDD 1800+, FDD 2600, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 upper, FDD 800 DD | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 | |
| Bluetooth Profiles | A2DP, HID | - | |
| NFC | - | Yes | Ulefone Armor X7 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI 4i | Ulefone Armor X7 |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | AAC, AMR, MP3, FLAC | |
|---|---|---|---|
| Supported Digital Video Standards | XviD, MPEG-4, DivX, H.264 | MPEG-4, 3GP |
| FEATURES | Xiaomi MI 4i | Ulefone Armor X7 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
| Security Devices | - | Face recognition, fingerprint reader | |
| Additional Phone Features | MIMO technology, Active noise-cancellation | Face Unlock, Glove mode, notification LED, customised button |
| OTHERS | Xiaomi MI 4i | Ulefone Armor X7 |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool, protective film, Sling, plastic spudger | |
|---|---|---|---|
| Compliant Standards | - | IEC 60529 IP68, MIL-STD 810G, IEC 60529 IP69K | |
| Max Depth of Water Resistance | - | 1.5 m | |
| Max Operating Temperature | - | 60 °C | |
| Min Operating Temperature | - | -20 °C |
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