In depth comparison and review of bq Aquaris X and Xiaomi MI A2. 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 | bq Aquaris X | Xiaomi MI A2 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 146.5 mm | 158.7 mm | Xiaomi MI A2 has greater height than bq Aquaris X. |
| Width | 72.7 mm | 75.4 mm | Xiaomi MI A2 has greater width than bq Aquaris X. |
| Depth | 7.9 mm | 7.3 mm | Xiaomi MI A2 is narrower than bq Aquaris X. |
| Weight | 153 g | 168 g | bq Aquaris X is lighter than bq Aquaris X. |
| Body Colour | Midnight blue | Black | Lake blue | Gold | |
| Body Material | Anodised aluminium | Metal | |
| Protection | Dustproof, splashproof | - | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | IP52 | - | |
| SAR Value | 1.36 W/kg (body), 0.428 W/kg (head) | 0.639 W/kg (body), 0.963 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM (SIM1 and SIM2/MicroSD slots) | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | bq Aquaris X | Xiaomi MI A2 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | LTPS IPS | IPS | |
| Screen Size (Display Size) | 5.2" | 5.99" | Xiaomi MI A2 has larger screen size than bq Aquaris X. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2160 x 1080 pixels | Xiaomi MI A2 has better screen resolution than bq Aquaris X. |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | 423 ppi | 403 ppi | bq Aquaris X has better pixel density than Xiaomi MI A2. |
| Aspect Ratio | - | 18:9 | |
| Max Brightness | 650 cd/m² | - | |
| Contrast Ratio | - | 1500:1 | |
| Display Features | In-Cell Display Technology, Quantum Color +, 2.5D Glass, AF coating | 2.5D curved glass | |
| Display Protection (Screen Protector) | Dinorex Glass (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | bq Aquaris X | Xiaomi MI A2 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 626 | Qualcomm Snapdragon 660 | |
|---|---|---|---|
| Processor Number | MSM8953 PRO | - | |
| Clock Speed | 2.2 GHz | 2.2 GHz | Both phones have the same clock speed. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | bq Aquaris X has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 506 | - |
| MEMORY | bq Aquaris X | Xiaomi MI A2 |
|---|
| RAM | 3 GB | 4 GB | Xiaomi MI A2 has more RAM than bq Aquaris X. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 32 GB | Both phones have the same internal memory capacity. |
| User Memory | 24 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | - |
| CAMERA | bq Aquaris X | Xiaomi MI A2 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 20 Megapixel | Xiaomi MI A2 has better camera resolution than bq Aquaris X. |
| Sensor Size | - | 1/2.8" | |
| Sensor Name | Sony Exmor RS IMX298 sensor | Sony Exmor RS IMX376 sensor | |
| Lens Aperture | F/2.0 | F/1.75 | Xiaomi MI A2 has better lens aperture than bq Aquaris X. |
| Lens Construction | 6-element | - | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR, Beautify 4.0 | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Burst mode, panoramic pictures, Time-lapse mode, night mode, Fast Motion mode, manual mode, RAW mode | Burst mode, Panorama, portrait mode, AI portrait mode, group selfi mode, AI Beauty | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi MI A2 has face detection. |
| Light Source | LED flash | LED light | |
| Video Resolutions | 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, 720 x 480 (480p) at 30 fps | |
| Camera Features (Functions) | Zero Shutter Lag, Phase Detect Auto-Focus (PDAF), Largan lens, video image stabilisation, Dual-tone Flash | Phase Detect Auto-Focus (PDAF), AI Dual camera, 4-in-1 Super Pixel |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 12 Megapixel | |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/2.9" | |
| Sensor Name (2nd Camera) | - | Sony Exmor RS IMX486 sensor | |
| Lens Aperture (2nd Camera) | - | F/1.75 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 20 Megapixel | Xiaomi MI A2 has better front camera resolution than bq Aquaris X. |
| Sensor Name (Front) | Samsung S5K4H8YX | Sony Exmor RS IMX376 sensor | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | bq Aquaris X has better front lens aperture than bq Aquaris X. |
| Lens Element Qty (Front) | 3-element | - | |
| Focus Adjustment | - | Automatic | |
| Special Effects (Front) | Beauty face | - | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi MI A2 has face detection. |
| Light Source (Front) | Flash | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 60 fps | - | |
| Camera Features (Front) | Selfie Indicator | AI-powered portrait mode |
| BATTERY AND CHARGING | bq Aquaris X | Xiaomi MI A2 |
|---|
| Battery Capacity (Battery Size) | 3100 mAh | 3010 mAh | bq Aquaris X has larger battery capacity than Xiaomi MI A2. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | Qualcomm Quick Charge 3.0 | Both phones have fast charging technology. |
| Battery Technology | - | Lithium Ion |
| CELLULAR | bq Aquaris X | Xiaomi MI A2 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 7.1.1 Nougat | Android One | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, GLONASS, Galileo | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | bq Aquaris X | Xiaomi MI A2 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-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 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 7, Band 20 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 2600, FDD 800 DD | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | |
| Wireless Interface | IEEE 802.11b/g/n/ac | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| NFC | Yes | - | bq Aquaris X has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | bq Aquaris X | Xiaomi MI A2 |
|---|
| Supported Digital Audio Standards | WAV, AAC, MP3, FLAC, AAC +, OGG, QCP, eAAC+, MIDI, APE (Monkey's Audio), M4A, apt-X, AWB, ALAC, MID, WMA STD, DTS M8 | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, MIDI, MP4, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP | |
| Sound Enhancements | Hi-Fi Sound support | - |
| FEATURES | bq Aquaris X | Xiaomi MI A2 |
|---|
| 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, gyro sensor, hall sensor, vibration sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | Dual noise reduction microphones, NXP Smart AMP technology, Wi-Fi Assist | Wi-Fi Miracast, AI Engine |
| OTHERS | bq Aquaris X | Xiaomi MI A2 |
|---|
| Included Accessories | Power adapter, USB 2.0 Type C-A cable | USB cable, power adapter, SIM card removal tool, clear soft case, Type-C to audio converter | |
|---|---|---|---|
| Compliant Standards | IP52 | - |
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