Comparison between:
- Eton I7
- TCL P618L
- Elephone P4000
- ZTE Q519T
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Eton I7 | TCL P618L | Elephone P4000 | ZTE Q519T | |
 |  |  |  |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 69.6 mm 6.96 cm 0.228 ft 2.74 in | 72.1 mm 7.21 cm 0.237 ft 2.839 in | 72.5 mm 7.25 cm 0.238 ft 2.854 in | 71.5 mm 7.15 cm 0.235 ft 2.815 in |
| Height | 143 mm 14.3 cm 0.469 ft 5.63 in | 145 mm 14.5 cm 0.476 ft 5.709 in | 143.2 mm 14.32 cm 0.47 ft 5.638 in | 145 mm 14.5 cm 0.476 ft 5.709 in |
| Thickness | 8.9 mm 0.89 cm 0.029 ft 0.35 in | 9.15 mm 0.915 cm 0.03 ft 0.36 in | 9.6 mm 0.96 cm 0.031 ft 0.378 in | 8.95 mm 0.895 cm 0.029 ft 0.352 in |
| Weight | 142 g 0.31 lbs 5.01 oz | 162 g 0.36 lbs 5.71 oz | 168 g 0.37 lbs 5.93 oz | 160 g 0.35 lbs 5.64 oz |
| Volume | 88.58 cm³ 5.38 in³ | 95.66 cm³ 5.81 in³ | 99.67 cm³ 6.05 in³ | 92.79 cm³ 5.64 in³ |
| Colors | White Black Blue | Black White | Black White Red Blue Green | White Blue Gold |
| Body materials | - | Metal Polycarbonate | 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 | Micro-SIM | Nano-SIM |
| Number of SIM cards | 2 | 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) | 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 900 MHz GSM 1800 MHz GSM 1900 MHz | GSM 900 MHz GSM 1800 MHz GSM 1900 MHz | GSM 850 MHz GSM 900 MHz GSM 1800 MHz | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz |
| CDMA | - | CDMA 800 MHz | - | - |
| W-CDMA | - | - | W-CDMA 900 MHz W-CDMA 2100 MHz | - |
| TD-SCDMA | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz | - | - | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz |
| LTE | LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2600 MHz (B38) | LTE 1800 MHz LTE 2100 MHz LTE-TDD 2600 MHz (B38) | LTE 800 MHz LTE 1800 MHz LTE 2600 MHz LTE-TDD 2300 MHz (B40) | LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) |
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 | EDGE GPRS LTE Cat 4 TD-SCDMA TD-HSDPA | EDGE GPRS LTE Cat 4 EV-DO Rev. A | UMTS EDGE GPRS HSPA+ LTE Cat 4 | EDGE GPRS LTE Cat 4 TD-SCDMA TD-HSDPA |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | Yun OS 3.0 (Android 4.4 KitKat) | Android 4.4 KitKat | Android 5.1 Lollipop | Android 5.0 Lollipop |
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 MT6732 | Qualcomm Snapdragon 410 (MSM8916) | MediaTek MT6735P | MediaTek MT6735M |
| Process technology | 28 nm | 28 nm | 28 nm | 28 nm |
| CPU | 4x 1.5 GHz ARM Cortex-A53 | 4x 1.2 GHz ARM Cortex-A53 | 4x 1.0 GHz ARM Cortex-A53 | 4x 1.0 GHz ARM Cortex-A53 |
| CPU bits | 64 bit | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8-A | ARMv8-A | ARMv8-A |
| Level 0 cache memory (L0) | - | 4 KB + 4 KB | - | - |
| Level 1 cache memory (L1) | 32 KB + 32 KB | 16 KB + 16 KB | 32 KB + 32 KB | 32 KB + 32 KB |
| Level 2 cache memory (L2) | 512 KB 0.5 MB | 2048 KB 2 MB | 512 KB 0.5 MB | 512 KB 0.5 MB |
| CPU cores | 4 | 4 | 4 | 4 |
| CPU frequency | 1500 MHz | 1200 MHz | 1000 MHz | 1000 MHz |
| GPU | ARM Mali-T760 MP2 | Qualcomm Adreno 306 | ARM Mali-T720 MP2 | ARM Mali-T720 MP2 |
| GPU cores | 2 | - | 1 | 2 |
| GPU frequency | 650 MHz | 400 MHz | 400 MHz | 500 MHz |
| RAM capacity | 1 GB | 1 GB | 1 GB 2 GB | 1 GB |
| RAM type | LPDDR3 | LPDDR2/LPDDR3 | LPDDR3 | LPDDR3 |
| RAM channels | Single channel | Single channel | Single channel | Single channel |
| RAM frequency | 800 MHz | 533 MHz | 533 MHz | 533 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 8 GB | 8 GB | 8 GB 16 GB | 8 GB |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | microSD microSDHC | - | 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 | AMOLED | IPS | IPS |
| Diagonal size | 5 in 127 mm 12.7 cm | 5 in 127 mm 12.7 cm | 5 in 127 mm 12.7 cm | 5 in 127 mm 12.7 cm |
| Width | 2.45 in 62.26 mm 6.23 cm | 2.45 in 62.26 mm 6.23 cm | 2.45 in 62.26 mm 6.23 cm | 2.45 in 62.26 mm 6.23 cm |
| Height | 4.36 in 110.69 mm 11.07 cm | 4.36 in 110.69 mm 11.07 cm | 4.36 in 110.69 mm 11.07 cm | 4.36 in 110.69 mm 11.07 cm |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 720 x 1280 pixels | 720 x 1280 pixels | 720 x 1280 pixels | 720 x 1280 pixels |
| Pixel density | 294 ppi 115 ppcm | 294 ppi 115 ppcm | 294 ppi 115 ppcm | 294 ppi 115 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 69.47 % | 66.14 % | 66.6 % | 66.69 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch | Capacitive Multi-touch |
| GFF full lamination | 2.5D curved glass screen | - | - |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer | Proximity Light Accelerometer | Proximity Light Accelerometer | Proximity Light Accelerometer |
Main rear camera
The main camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.
| Sensor model | - | - | Samsung | - |
| Sensor type | CMOS | CMOS | CMOS BSI | CMOS |
| Sensor size | - | - | 4.69 x 3.52 mm 0.23 in | - |
| Pixel size | - | - | 1.127 µm 0.001127 mm | - |
| Crop factor | - | - | 7.38 | - |
| Aperture | f/2.8 | f/2.2 | - | f/2 |
| Number of lenses | - | 5 | - | - |
| Flash type | LED | LED | LED | LED |
| Image resolution | 3264 x 2448 pixels 7.99 MP | 4128 x 3096 pixels 12.78 MP | 4160 x 3120 pixels 12.98 MP | 2560 x 1920 pixels 4.92 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps | 30 fps | 30 fps |
| Features | Autofocus Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Scene mode | Autofocus Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode | Autofocus Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode | Autofocus Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode |
| - | - | - | Sapphire lens |
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.
| Image resolution | 1600 x 1200 pixels 1.92 MP | 2560 x 1920 pixels 4.92 MP | 1600 x 1200 pixels 1.92 MP | 1600 x 1200 pixels 1.92 MP |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | 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 | 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 | 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 | 4.0 | 4.0 |
| Features | A2DP | 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 | Micro USB |
| Version | 2.0 | 2.0 | 2.0 | 2.0 |
| Features | Charging Mass storage On-The-Go | Charging Mass storage On-The-Go | 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 | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Infrared Tethering | Computer sync OTA sync Tethering | 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 | 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 M4A MIDI MP3 OGG WMA WAV | AAC AMR eAAC+ MIDI MP3 WMA WAV | AAC AAC+ AMR eAAC+ MIDI MP3 WMA WAV | AAC eAAC+ MIDI MP3 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 Flash Video QuickTime MP4 WMV | 3GPP AVI MP4 WMV Xvid | 3GPP AVI DivX Flash Video H.263 H.264 MP4 WMV Xvid | 3GPP DivX H.263 H.264 MP4 WebM WMV Xvid |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 3000 mAh | 5000 mAh | 4600 mAh | 4000 mAh |
| Type | Li-Polymer | Li-Polymer | Li-Polymer | Li-Polymer |
| 2G talk time | - | - | 24 h 1440 min 1 days | - |
| 2G stand-by time | - | 2100 h 126000 min 87.5 days | 330 h 19800 min 13.8 days | 840 h 50400 min 35 days |
| 3G talk time | - | - | 24 h 1440 min 1 days | - |
| 3G stand-by time | - | 2160 h 129600 min 90 days | 330 h 19800 min 13.8 days | 840 h 50400 min 35 days |
| Charger output power | - | - | 5 V / 2 A | - |
| Features | Non-removable | Non-removable Fast charging | Fast charging Non-removable | Non-removable |
| Eton I7 | TCL P618L | Elephone P4000 | ZTE Q519T |