Detailed comparison and review of bq Aquaris X and LG K51S. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | bq Aquaris X | LG K51S |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | LM-K510EMW | |
| Form Factor | Touch | Touch | |
| Height | 146.5 mm | 165.2 mm | LG K51S has greater height than bq Aquaris X. |
| Width | 72.7 mm | 76.7 mm | LG K51S has greater width than bq Aquaris X. |
| Depth | 7.9 mm | 8.26 mm | bq Aquaris X is narrower than bq Aquaris X. |
| Weight | 153 g | 194 g | bq Aquaris X is lighter than bq Aquaris X. |
| Body Colour | Midnight blue | Pink | Titan | |
| 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) | 1.335 W/kg (body), 0.501 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
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 | LG K51S |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | LTPS IPS | IPS | |
| Screen Size (Display Size) | 5.2" | 6.55" | LG K51S 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 LG K51S. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 423 ppi | 268 ppi | bq Aquaris X has better pixel density than LG K51S. |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 650 cd/m² | 400 cd/m² | bq Aquaris X has better display brightness than LG K51S. |
| Display Features | In-Cell Display Technology, Quantum Color +, 2.5D Glass, AF coating | Reading mode, FullVision display, night mode, hole in display | |
| Display Protection (Screen Protector) | Dinorex Glass (scratch resistant glass) | Tempered glass |
| PROCESSOR | bq Aquaris X | LG K51S |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 626 | MediaTek | |
|---|---|---|---|
| Processor Number | MSM8953 PRO | MT6765 | |
| Clock Speed | 2.2 GHz | 2.3 GHz | LG K51S 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 | IMG PowerVR GE8320 |
| MEMORY | bq Aquaris X | LG K51S |
|---|
| RAM | 3 GB | 3 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | LG K51S has more internal memory than bq Aquaris X. |
| User Memory | 24 GB | 50.2 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 2 TB |
| CAMERA | bq Aquaris X | LG K51S |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 32 Megapixel | LG K51S has better camera resolution than bq Aquaris X. |
| Sensor Name | Sony Exmor RS IMX298 sensor | - | |
| Lens Aperture | F/2.0 | F/1.8 | LG K51S has better lens aperture than bq Aquaris X. |
| Lens Construction | 6-element | - | |
| Field of View (FoV) | - | 76.3 degree(s) | |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | - | 24 mm | |
| Digital Zoom | - | 8x | |
| Self-Timer Delay | - | Yes | |
| 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, portrait mode, Flowers, Animals, Food, Person, Sunset, Sunrise, City, Landscape | |
| Face Recognition (Face ID) | - | Face detection | LG K51S has face detection. |
| White Balance | - | Automatic | |
| 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 | |
| Camera Features (Functions) | Zero Shutter Lag, Phase Detect Auto-Focus (PDAF), Largan lens, video image stabilisation, Dual-tone Flash | Phase Detect Auto-Focus (PDAF), geotagging, Big Pixels technology, Quad Pixel technology |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Super wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 115 degree(s) | |
| Minimum Focal Length (2nd Camera) | - | 16 mm |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Field of View (3rd Camera) | - | 88.9 degree(s) | |
| Camera Functions (3rd Camera) | - | Depth camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (4th Camera) | - | F/2.4 | |
| Field of View (4th Camera) | - | 88.6 degree(s) | |
| Camera Functions (4th Camera) | - | Macro camera | |
| Camera Features (4th Camera) | - | 4cm macro photography |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 13 Megapixel | LG K51S 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 | - | |
| Camera Modes (Front) | - | Gesture Shot, Selfie portrait | |
| Face Recognition (Face ID) | - | Face detection | LG K51S has face detection. |
| Light Source (Front) | Flash | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 60 fps | - | |
| Camera Features (Front) | Selfie Indicator | 17 filters |
| BATTERY AND CHARGING | bq Aquaris X | LG K51S |
|---|
| Battery Capacity (Battery Size) | 3100 mAh | 4000 mAh | LG K51S has larger battery capacity than bq Aquaris X. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | - | bq Aquaris X has fast charging technology. |
| Standby Time | - | 100 hours | |
| Talk Time | - | 480 minutes | |
| Run Time Details | - | Talk: up to 480 min Standby: up to 100 hrs |
|
| Battery Technology | - | Lithium Ion |
| CELLULAR | bq Aquaris X | LG K51S |
|---|
| 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 9.0 Pie | |
| User Interface | - | LG UX 9 | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, GLONASS, Galileo | GPS |
| COMMUNICATIONS | bq Aquaris X | LG K51S |
|---|
| 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 | - | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | - | |
| 4G LTE Band | Band 1, Band 3, Band 7, Band 20 | Band 1, Band 3, Band 7, Band 8, Band 20, Band 38 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 2600, FDD 800 DD | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 | |
| Wireless Interface | IEEE 802.11b/g/n/ac | IEEE 802.11a/b/g/n | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 BLE | |
| Bluetooth Profiles | - | HFP, HSP, OPP, PAN, SPP, GOEP, A2DP, AVRCP, HID, SAP, GAVDP, PBAP, MAP, GATT, HDP, HOGP, ScPP | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | bq Aquaris X | LG K51S |
|---|
| 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 | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4 | |
| Sound Enhancements | Hi-Fi Sound support | DTS: X 3D Surround Sound |
| FEATURES | bq Aquaris X | LG K51S |
|---|
| 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 | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | Dual noise reduction microphones, NXP Smart AMP technology, Wi-Fi Assist | DLNA Certified, Dual microphones, KnockON, QuickMemo+ function, Mini View function, Capture+, EasyHome, Clip Tray, Google Lens, AI Cam, Game Tools, Google Assistant Button |
| OTHERS | bq Aquaris X | LG K51S |
|---|
| Included Accessories | Power adapter, USB 2.0 Type C-A cable | Power adapter, SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | IP52 | MIL-STD 810G |
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