In depth comparison and review of Xiaomi MI 4i and bq Aquaris X. 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 | bq Aquaris X |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 138.1 mm | 146.5 mm | bq Aquaris X has greater height than Xiaomi MI 4i. |
| Width | 69.6 mm | 72.7 mm | bq Aquaris X has greater width than Xiaomi MI 4i. |
| Depth | 7.8 mm | 7.9 mm | Xiaomi MI 4i is narrower than Xiaomi MI 4i. |
| Weight | 130 g | 153 g | Xiaomi MI 4i is lighter than Xiaomi MI 4i. |
| Body Colour | Black | Dark grey | White | Midnight blue | |
| Body Material | - | Anodised aluminium | |
| Protection | - | Dustproof, splashproof | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP52 | |
| SAR Value | 1.29 W/kg | 1.36 W/kg (body), 0.428 W/kg (head) | |
| Integrated Components | FM radio | FM radio | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM (SIM1 and SIM2/MicroSD slots) | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Xiaomi MI 4i | bq Aquaris X |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | LTPS IPS | |
| Screen Size (Display Size) | 5" | 5.2" | bq Aquaris X has larger screen size than Xiaomi MI 4i. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1920 x 1080 pixels | Both phones have the same screen resolution. |
| Display Format | Full HD | Full HD | |
| Pixel Density | 441 ppi | 423 ppi | Xiaomi MI 4i has better pixel density than bq Aquaris X. |
| Max Brightness | - | 650 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | - | In-Cell Display Technology, Quantum Color +, 2.5D Glass, AF coating | |
| Display Protection (Screen Protector) | Corning Concore Glass | Dinorex Glass (scratch resistant glass) |
| PROCESSOR | Xiaomi MI 4i | bq Aquaris X |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 615 | Qualcomm Snapdragon 626 | |
|---|---|---|---|
| Processor Number | - | MSM8953 PRO | |
| Clock Speed | 1.7 GHz | 2.2 GHz | bq Aquaris X has higher clock speed than Xiaomi MI 4i. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 405 | Qualcomm ADRENO 506 |
| MEMORY | Xiaomi MI 4i | bq Aquaris X |
|---|
| RAM | 2 GB | 3 GB | bq Aquaris X has more RAM than Xiaomi MI 4i. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | bq Aquaris X has more internal memory than Xiaomi MI 4i. |
| User Memory | - | 24 GB | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Xiaomi MI 4i | bq Aquaris X |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 16 Megapixel | bq Aquaris X has better camera resolution than Xiaomi MI 4i. |
| Sensor Name | - | Sony Exmor RS IMX298 sensor | |
| Lens Aperture | F/2.0 | F/2.0 | Both phones have the same camera lens aperture. |
| Lens Construction | 5-element | 6-element | |
| Focus Adjustment | Automatic | Automatic | |
| HDR Mode | Auto HDR mode | Auto HDR mode | |
| Camera Modes | Panorama, manual mode | Burst mode, panoramic pictures, Time-lapse mode, night mode, Fast Motion mode, manual mode, RAW mode | |
| Face Recognition (Face ID) | Face detection, smile detection | - | Xiaomi MI 4i has face detection. |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | - | Zero Shutter Lag, Phase Detect Auto-Focus (PDAF), Largan lens, video image stabilisation, Dual-tone Flash |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | bq Aquaris X has better front camera resolution than Xiaomi MI 4i. |
| Sensor Name (Front) | - | Samsung S5K4H8YX | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/1.8 | F/2.0 | Xiaomi MI 4i has better front lens aperture than Xiaomi MI 4i. |
| Lens Element Qty (Front) | 5-element | 3-element | |
| Special Effects (Front) | - | Beauty face | |
| Light Source (Front) | - | Flash | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 60 fps | |
| Camera Features (Front) | - | Selfie Indicator |
| BATTERY AND CHARGING | Xiaomi MI 4i | bq Aquaris X |
|---|
| Battery Capacity (Battery Size) | 3120 mAh | 3100 mAh | Xiaomi MI 4i has larger battery capacity than bq Aquaris X. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0 | bq Aquaris X has fast charging technology. |
| Talk Time | 2100 minutes | - | |
| Run Time Details | Talk (WCDMA): up to 2100 min | - | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | Xiaomi MI 4i | bq Aquaris X |
|---|
| 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 7.1.1 Nougat | |
| User Interface | MIUI V6 | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, Galileo |
| COMMUNICATIONS | Xiaomi MI 4i | bq Aquaris X |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 3, Band 7, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 3, Band 7, Band 20 | |
| 4G LTE Frequency | FDD 1800+, FDD 2600, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1800+, FDD 2600, FDD 800 DD | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 4.2 | |
| Bluetooth Profiles | A2DP, HID | - | |
| NFC | - | Yes | bq Aquaris X has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI 4i | bq Aquaris X |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | WAV, AAC, MP3, FLAC, AAC +, OGG, QCP, eAAC+, MIDI, APE (Monkey's Audio), M4A, apt-X, AWB, ALAC, MID, WMA STD, DTS M8 | |
|---|---|---|---|
| Supported Digital Video Standards | XviD, MPEG-4, DivX, H.264 | - | |
| Sound Enhancements | - | Hi-Fi Sound support |
| FEATURES | Xiaomi MI 4i | bq Aquaris X |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, call timer, conference call, flight mode, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | MIMO technology, Active noise-cancellation | Dual noise reduction microphones, NXP Smart AMP technology, Wi-Fi Assist |
| OTHERS | Xiaomi MI 4i | bq Aquaris X |
|---|
| Included Accessories | Power adapter | Power adapter, USB 2.0 Type C-A cable | |
|---|---|---|---|
| Compliant Standards | - | IP52 |
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