In depth comparison and review of bq Aquaris X and Xiaomi MI 8. 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 8 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 146.5 mm | 154.9 mm | Xiaomi MI 8 has greater height than bq Aquaris X. |
| Width | 72.7 mm | 74.8 mm | Xiaomi MI 8 has greater width than bq Aquaris X. |
| Depth | 7.9 mm | 7.6 mm | Xiaomi MI 8 is narrower than bq Aquaris X. |
| Weight | 153 g | 175 g | bq Aquaris X is lighter than bq Aquaris X. |
| Body Colour | Midnight blue | Black | Blue | |
| Body Material | Anodised aluminium | Glass, 7000 Series aluminium | |
| Protection | Dustproof, splashproof | - | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | IP52 | - | |
| SAR Value | 1.36 W/kg (body), 0.428 W/kg (head) | 1.662 W/kg (body), 0.701 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 8 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | LTPS IPS | AMOLED | |
| Screen Size (Display Size) | 5.2" | 6.21" | Xiaomi MI 8 has larger screen size than bq Aquaris X. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2248 x 1080 pixels | Xiaomi MI 8 has better screen resolution than bq Aquaris X. |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | 423 ppi | 402 ppi | bq Aquaris X has better pixel density than Xiaomi MI 8. |
| Aspect Ratio | - | 18.7:9 | |
| Max Brightness | 650 cd/m² | 600 cd/m² | bq Aquaris X has better display brightness than Xiaomi MI 8. |
| Contrast Ratio | - | 60000:1 | |
| Display Enhancement Technology | - | Sunlight mode | |
| Display Features | In-Cell Display Technology, Quantum Color +, 2.5D Glass, AF coating | Always-on display, Reading mode, Colour temperature adjustment, DCI-P3 Wide colour gamut | |
| Display Protection (Screen Protector) | Dinorex Glass (scratch resistant glass) | - |
| PROCESSOR | bq Aquaris X | Xiaomi MI 8 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 626 | Qualcomm Snapdragon 845 | |
|---|---|---|---|
| Processor Number | MSM8953 PRO | - | |
| Clock Speed | 2.2 GHz | 2.8 GHz | Xiaomi MI 8 has higher clock speed than bq Aquaris X. |
| 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 506 | Qualcomm ADRENO 630 |
| MEMORY | bq Aquaris X | Xiaomi MI 8 |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 6 GB | Xiaomi MI 8 has more RAM than bq Aquaris X. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Xiaomi MI 8 has more internal memory than bq Aquaris X. |
| User Memory | 24 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | - |
| CAMERA | bq Aquaris X | Xiaomi MI 8 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 12 Megapixel | bq Aquaris X has better camera resolution than Xiaomi MI 8. |
| Sensor Name | Sony Exmor RS IMX298 sensor | Sony Exmor RS IMX363 sensor | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.0 | F/1.8 | Xiaomi MI 8 has better lens aperture than bq Aquaris X. |
| Lens Construction | 6-element | - | |
| Optical Image Stabiliser (OIS) | - | 4-axis OIS (Optical Image Stabilisation) | Xiaomi MI 8 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR | |
| 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, AR Emoji, AI Beautify | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi MI 8 has face detection. |
| Light Source | LED flash | LED flash | |
| 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, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps | |
| Camera Features (Functions) | Zero Shutter Lag, Phase Detect Auto-Focus (PDAF), Largan lens, video image stabilisation, Dual-tone Flash | Dual Pixel Autofocus technology, AI Dual camera, AI scene detection, AI Beautify, AI dynamic bokeh, AI studio lighting, AI short video editing, AI high-res photos |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 12 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Telephoto lens | |
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Camera Features (2nd Camera) | - | Portrait lens |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 20 Megapixel | Xiaomi MI 8 has better front camera resolution than bq Aquaris X. |
| Sensor Name (Front) | Samsung S5K4H8YX | - | |
| Lens Aperture (Front) | F/2.0 | - | |
| Lens Element Qty (Front) | 3-element | - | |
| Special Effects (Front) | Beauty face | Mirror | |
| Camera Modes (Front) | - | AR Emoji, AI portrait mode | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi MI 8 has face detection. |
| Light Source (Front) | Flash | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 60 fps | - | |
| Camera Features (Front) | Selfie Indicator | Self-timer, AI detection of 10 different scenes, 3D Beautify |
| SECOND FRONT CAMERA |
|---|
| Camera Features (2nd Front) | - | Flood Illuminator, Dot Projector |
|---|
| BATTERY AND CHARGING | bq Aquaris X | Xiaomi MI 8 |
|---|
| Battery Capacity (Battery Size) | 3100 mAh | 3400 mAh | Xiaomi MI 8 has larger battery capacity than bq Aquaris X. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | Qualcomm Quick Charge 4.0+ | Both phones have fast charging technology. |
| CELLULAR | bq Aquaris X | Xiaomi MI 8 |
|---|
| Technology | WCDMA (UMTS) / GSM | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 7.1.1 Nougat | Android 8.1 Oreo | |
| User Interface | - | MIUI 9.5 | |
| Payment Technology | - | Android Pay | |
| Navigation | GPS, GLONASS, Galileo | GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | bq Aquaris X | Xiaomi MI 8 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE | GPRS, EDGE, EV-DO, 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, 800 CDMA2000 1X, 1900 CDMA2000 1X | |
| 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 12, Band 17, Band 20, Band 34, Band 38, Band 39, Band 40, Band 41 | |
| 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 700a, FDD 700b, FDD 800 DD, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | bq Aquaris X | Xiaomi MI 8 |
|---|
| 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, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), apt-X, AMR-WB, AMR-NB, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP | |
| Sound Enhancements | Hi-Fi Sound support | - |
| FEATURES | bq Aquaris X | Xiaomi MI 8 |
|---|
| 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, barometer, gyro sensor, hall sensor, Time of Flight (ToF), infrared (IR) sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Security Technology | - | IR face unlock | |
| Additional Phone Features | Dual noise reduction microphones, NXP Smart AMP technology, Wi-Fi Assist | Face Unlock, MU-MIMO technology |
| OTHERS | bq Aquaris X | Xiaomi MI 8 |
|---|
| Included Accessories | Power adapter, USB 2.0 Type C-A cable | Power adapter, SIM card removal tool, USB-C to 3.5 jack adapter, USB-C cable, Mi 8 Protective cover | |
|---|---|---|---|
| Compliant Standards | IP52 | - |
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