Comparison between:
- BQ Mobile BQ-5515L Fast
- BQ Mobile BQ-5702 Spring
- BQ Mobile BQ-5508L Next LTE
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| BQ Mobile BQ-5515L Fast | BQ Mobile BQ-5702 Spring | BQ Mobile BQ-5508L Next LTE | |
 |  |  | |
| Model alias | BQ-5515L | - | BQ-5508L |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 71.6 mm 7.16 cm 0.235 ft 2.819 in | 75 mm 7.5 cm 0.246 ft 2.953 in | 71.8 mm 7.18 cm 0.236 ft 2.827 in |
| Height | 150 mm 15 cm 0.492 ft 5.906 in | 153.7 mm 15.37 cm 0.504 ft 6.051 in | 149 mm 14.9 cm 0.489 ft 5.866 in |
| Thickness | 9.2 mm 0.92 cm 0.03 ft 0.362 in | 9 mm 0.9 cm 0.03 ft 0.354 in | 9 mm 0.9 cm 0.03 ft 0.354 in |
| Weight | 165 g 0.36 lbs 5.82 oz | 160 g 0.35 lbs 5.64 oz | 170 g 0.37 lbs 6 oz |
| Volume | 98.81 cm³ 6 in³ | 103.75 cm³ 6.3 in³ | 96.28 cm³ 5.85 in³ |
| Colors | Black Gray Blue | Black Gray Gold | Black Red Gray Gold |
| Body materials | Plastic | Plastic | Plastic |
SIM card
The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.
| SIM card type | - | Micro-SIM | Micro-SIM |
| Number of SIM cards | 2 | 2 | 2 |
| Features | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) |
Networks
A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.
| GSM | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz |
| UMTS | UMTS 900 MHz UMTS 2100 MHz | UMTS 900 MHz UMTS 2100 MHz | UMTS 900 MHz UMTS 2100 MHz |
| LTE | LTE 800 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz | - | LTE 800 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz |
Mobile network technologies and bandwidth
Communication between devices within mobile networks is realized via various generations of network technologies, which provide different bandwidth.
| Mobile network technologies | UMTS EDGE GPRS HSPA+ LTE Cat 4 | UMTS EDGE GPRS HSPA+ | UMTS EDGE GPRS HSPA+ LTE Cat 4 |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | Android 8.1 Oreo | Android 7.0 Nougat | Android 7.0 Nougat |
System on Chip (SoC)
A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device.
| SoC | MediaTek MT6739WW | MediaTek MT6580M | MediaTek MT6739 |
| Process technology | 28 nm | 28 nm | 28 nm |
| CPU | ARM Cortex-A53 | ARM Cortex-A7 | ARM Cortex-A53 |
| CPU bits | 64 bit | 32 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv7 | ARMv8-A |
| Level 1 cache memory (L1) | - | 32 KB + 32 KB | - |
| Level 2 cache memory (L2) | - | 512 KB 0.5 MB | - |
| CPU cores | 4 | 4 | 4 |
| CPU frequency | 1500 MHz | 1300 MHz | 1300 MHz |
| GPU | PowerVR GE8100 | ARM Mali-400 MP2 | PowerVR GE8100 |
| GPU cores | - | 2 | - |
| GPU frequency | - | 416 MHz | 570 MHz |
| RAM capacity | 2 GB | 1 GB | 1 GB |
| RAM type | LPDDR3 | LPDDR3 | LPDDR3 |
| RAM channels | Single channel | Single channel | Single channel |
| RAM frequency | 667 MHz | 533 MHz | 667 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 16 GB | 8 GB | 8 GB |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | microSD microSDHC microSDXC | microSD microSDHC microSDXC | microSD microSDHC microSDXC |
Display
The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.
| Type/technology | IPS | IPS | IPS |
| Diagonal size | 5.5 in 139.7 mm 13.97 cm | 5.7 in 144.78 mm 14.48 cm | 5.45 in 138.43 mm 13.84 cm |
| Width | 2.46 in 62.48 mm 6.25 cm | 2.55 in 64.75 mm 6.47 cm | 2.44 in 61.91 mm 6.19 cm |
| Height | 4.92 in 124.95 mm 12.5 cm | 5.1 in 129.5 mm 12.95 cm | 4.87 in 123.82 mm 12.38 cm |
| Aspect ratio | 2:1 2:1 (18:9) | 2:1 2:1 (18:9) | 2:1 2:1 (18:9) |
| Resolution | 480 x 960 pixels | 480 x 960 pixels | 480 x 960 pixels |
| Pixel density | 195 ppi 76 ppcm | 188 ppi 73 ppcm | 197 ppi 77 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 72.92 % | 72.97 % | 71.88 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch | Capacitive Multi-touch |
| 2.5D curved glass screen | - | 2.5D curved glass screen 380 cd/m² 70% NTSC |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Fingerprint | Proximity Light Accelerometer | Proximity Light Accelerometer Hall |
Rear camera
The primary camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.
| Sensor model | - | - | GalaxyCore GC8024 |
| Sensor type | CMOS BSI | CMOS | CMOS BSI |
| Sensor size | - | - | 3.67 x 2.76 mm 0.18 in |
| Pixel size | - | - | 1.124 µm 0.001124 mm |
| Crop factor | - | - | 9.42 |
| Flash type | LED | LED | LED |
| Image resolution | 3264 x 2448 pixels 7.99 MP | 3264 x 2448 pixels 7.99 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | 1280 x 720 pixels 0.92 MP | 1280 x 720 pixels 0.92 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps | 30 fps |
| Features | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode |
| Secondary rear camera - 0.3 MP | - | - |
Front camera
Modern smartphones have one or more front cameras and their positioning has led to various design concepts – pop-up camera, rotating camera, notch, punch hole, under-display camera, etc.
| Auxiliary light | LED | LED | - |
| Image resolution | 1600 x 1200 pixels 1.92 MP | 2560 x 1920 pixels 4.92 MP | 2560 x 1920 pixels 4.92 MP |
| Video resolution | 640 x 480 pixels 0.31 MP | 640 x 480 pixels 0.31 MP | 640 x 480 pixels 0.31 MP |
| Video FPS | 30 fps | 30 fps | 30 fps |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | Yes | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS | GPS A-GPS | GPS A-GPS |
Wi-Fi
Wi-Fi is a technology that provides wireless data connections between various devices within a short range.
| Wi-Fi | 802.11b 802.11g 802.11n Wi-Fi Hotspot | 802.11b 802.11g 802.11n Wi-Fi Hotspot | 802.11b 802.11g 802.11n Wi-Fi Hotspot |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.0 | 4.0 | 4.2 |
| Features | A2DP | A2DP | A2DP |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | Micro USB | Micro USB | Micro USB |
| Version | 2.0 | 2.0 | 2.0 |
| Features | Charging Mass storage | Charging Mass storage | Charging Mass storage |
Headphone jack
The headphone jack is an audio phone connector, a.k.a. an audio jack. The most widely used one in mobile devices is the 3.5 mm headphone jack.
| Headphone jack | Yes | Yes | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering VoLTE | Computer sync OTA sync Tethering | Computer sync OTA sync Tethering |
Browser
A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.
| Browser | HTML HTML5 CSS 3 | HTML HTML5 CSS 3 | HTML HTML5 CSS 3 |
Audio file formats/codecs
Mobile devices support various audio file formats and codecs, which respectively store and code/decode digital audio data.
| Audio file formats/codecs | AAC AMR eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AMR eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AMR eAAC+ FLAC MIDI MP3 OGG WMA WAV |
Video file formats/codecs
Mobile devices support various video file formats and codecs, which respectively store and code/decode digital video data.
| Video file formats/codecs | 3GPP AVI DivX MP4 WebM WMV | 3GPP AVI MP4 | 3GPP AVI DivX MP4 WebM WMV |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 2500 mAh | 2500 mAh | 2500 mAh |
| Type | Li-Polymer | Li-Ion | Li-Polymer |
| Charger output power | - | - | 5 V / 1 A |
| Features | Removable | Removable | Removable |
| BQ Mobile BQ-5515L Fast | BQ Mobile BQ-5702 Spring | BQ Mobile BQ-5508L Next LTE |