bq Aquaris X vs bq Aquaris 3.5
| Type | Touch | Touch |
| Waterproofness & dust-resistance | IP52 |  |
| Dimensions | 146.50 x 72.70 x 7.90 mm | 115.00 x 60.00 x 11.50 mm |
| Weight | 153.00 g | 110.00 g |
| Display size | 5.20" | 3.50" |
| Display | Color / LTPS TFT 16M colors 1080 x 1920 px (5.20") 424 ppi | Color / IPS TFT 320 x 480 px (3.50") 165 ppi |
| Display protection |   |  |
| Additional display | | |
| Protection of the secondary display | | |
| Standard battery | Li-Ion 3100 mAhBuy powerbank
| Li-Po 1200 mAhBuy powerbank
|
| Quick battery charging | Quick Charge 3.0 | |
| Wireless battery charging | | |
| Internal memory | 32 GB | 4 GB |
| End-user memory | 24 GB | |
| RAM memory | 3 GB | 1 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 256 GBBuy memory card | microSD, microSDHC up to 64 GBBuy memory card |
| Operating system | Android 7.1.1 Nougat | Android 4.2 Jelly Bean |
| Processor | Qualcomm Snapdragon 626 8953 | MediaTek MT6572 |
| Processor clock | 2200 MHz | 1000 MHz |
| GPU | Adreno 506 | ARM Mali-400 MP1 @500 MHz |
| Touchscreen | | |
| DualSIM | | |
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | DualSIM(microSIM, microSIM) |
| DualSIM mode | dual standby | |
| Hybrid DualSIM | nanoSIM, microSD | |
| Announced | 2Q 2017 | |
| Other names | - | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1900 2100 | 900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1800, 800 | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo sensor model | Sony IMX298 | |
| Photo matrix | 16 Mpx | 2 Mpx |
| Resolution | | 1600x1200 px |
| Optical zoom | | |
| Flash | 2x LED | |
| Dual-colour LED flash | 1+1 | |
| Video resolution | 3840x2160 px | |
| Video formats | MPEG4, H.263, H.264 | H.263, H.264, MPEG4 |
| Additional | AF, f/2.0 | AF |
CAMERAS - FRONT
| First camera | | |
| Photo sensor model | Samsung S5K4H8 | |
| Photo matrix | 8 Mpx | 0.3 Mpx |
| Resolution | 3264x2448 px | 640x480 px |
| Optical zoom | | |
| Flash | LED | |
| Dual-colour LED flash | | |
| Video resolution | 1920x1080 px | |
| Video formats | MPEG4, H.263, H.264 | H.263, H.264, MPEG4 |
| Additional | f/2.0 | - |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | v2.0 | v2.0 |
| HSCSD | | |
| HSDPA | | 21.00 Mbit/s |
| HSUPA | | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v4.2 | v4.0 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 a/b/g/n/ac | v802.11 b/g/n |
| WiFi frequencies | 2,4 GHz; 5 GHz | 2,4 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 Type-C | v2.0 |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| Galileo | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | XT9 | XT9 |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AAC+, ALAC, APE, AWB, FLAC, M4A, OGG, QCP, STD, WAV, WMA, eAAC+ | AAC, AAC+, AMR, APE, FLAC, OGG, WAV, eAAC+ |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | ART | Dalvik |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |