Side by side comparison and review of bq Aquaris X and Realme C31. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | bq Aquaris X | Realme C31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | RMX3501 | |
| Form Factor | Touch | Touch | |
| Height | 146.5 mm | 164.7 mm | Realme C31 has greater height than bq Aquaris X. |
| Width | 72.7 mm | 76.1 mm | Realme C31 has greater width than bq Aquaris X. |
| Depth | 7.9 mm | 8.4 mm | bq Aquaris X is narrower than bq Aquaris X. |
| Weight | 153 g | 197 g | bq Aquaris X is lighter than bq Aquaris X. |
| Body Colour | Midnight blue | Light silver | Dark green | |
| Body Material | Anodised aluminium | - | |
| Protection | Dustproof, splashproof | - | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | IP52 | - | |
| SAR Value | 1.36 W/kg (body), 0.428 W/kg (head) | 1.147 W/kg (body), 0.957 W/kg (head), 2.663 W/kg (limb) | |
| Integrated Components | FM radio | - | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| 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 | Realme C31 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | LTPS IPS | - | |
| Screen Size (Display Size) | 5.2" | 6.5" | Realme C31 has larger screen size than bq Aquaris X. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | bq Aquaris X has better screen resolution than Realme C31. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 423 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 650 cd/m² | - | |
| Colour Depth | - | 16.7 million colours | |
| Display Refresh Rate | - | 60 Hz | |
| Touch Sampling Rate | - | 120 Hz | |
| Display Features | In-Cell Display Technology, Quantum Color +, 2.5D Glass, AF coating | Ultra-clear View | |
| Display Protection (Screen Protector) | Dinorex Glass (scratch resistant glass) | - |
| PROCESSOR | bq Aquaris X | Realme C31 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 626 | Unisoc | |
|---|---|---|---|
| Processor Number | MSM8953 PRO | T612 | |
| Clock Speed | 2.2 GHz | 1.82 GHz | bq Aquaris X has higher clock speed than Realme C31. |
| 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 | ARM Mali-G57 |
| MEMORY | bq Aquaris X | Realme C31 |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 4 GB + up to 7 GB virtual extension | Realme C31 has more RAM than bq Aquaris X. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Realme C31 has more internal memory than bq Aquaris X. |
| User Memory | 24 GB | - | |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | bq Aquaris X | Realme C31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 13 Megapixel | bq Aquaris X has better camera resolution than Realme C31. |
| Sensor Name | Sony Exmor RS IMX298 sensor | - | |
| Lens Aperture | F/2.0 | F/2.2 | bq Aquaris X has better lens aperture than bq Aquaris X. |
| Lens Construction | 6-element | 5-element | |
| 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, Time-lapse mode, Pro mode, Portrait, Filter mode, Macro mode, Night Pro | |
| 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, 854 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 | AI Triple camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Camera Functions (2nd Camera) | - | Macro camera | |
| Camera Features (2nd Camera) | - | 4cm macro photography |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 0.3 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.8 | |
| Camera Functions (3rd Camera) | - | B&W lens |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 5 Megapixel | bq Aquaris X has better front camera resolution than Realme C31. |
| Sensor Name (Front) | Samsung S5K4H8YX | - | |
| 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 | 3-element | |
| Special Effects (Front) | Beauty face | HDR | |
| Camera Modes (Front) | - | Beauty mode, Filter mode | |
| Light Source (Front) | Flash | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 60 fps | 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps | |
| Camera Features (Front) | Selfie Indicator | AI Selfie |
| BATTERY AND CHARGING | bq Aquaris X | Realme C31 |
|---|
| Battery Capacity (Battery Size) | 3100 mAh | 5000 mAh | Realme C31 has larger battery capacity than bq Aquaris X. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | - | bq Aquaris X has fast charging technology. |
| CELLULAR | bq Aquaris X | Realme C31 |
|---|
| 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 11 | |
| User Interface | - | Realme UI (R Edition) | |
| Navigation | GPS, GLONASS, Galileo | GPS, A-GPS, BeiDou, Galileo |
| COMMUNICATIONS | bq Aquaris X | Realme C31 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE | GPRS, EDGE, 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 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 7, Band 20 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 2600, FDD 800 DD | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11b/g/n/ac | Wi-Fi | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| NFC | Yes | - | bq Aquaris X has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | bq Aquaris X | Realme C31 |
|---|
| 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 | - | |
|---|---|---|---|
| Sound Enhancements | Hi-Fi Sound support | - |
| FEATURES | bq Aquaris X | Realme C31 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor | Accelerometer, proximity sensor, magnetometer, gyro sensor, light sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (side) | |
| Additional Phone Features | Dual noise reduction microphones, NXP Smart AMP technology, Wi-Fi Assist | MIMO technology, Ultra Power Saving Mode, Fast Charging |
| OTHERS | bq Aquaris X | Realme C31 |
|---|
| Included Accessories | Power adapter, USB 2.0 Type C-A cable | SIM card removal tool, 10W charger, micro-USB cable | |
|---|---|---|---|
| Compliant Standards | IP52 | TUV Rheinland |
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