Comparison between:
- VKworld T1 Plus
- THL 2015A
- Koobee Halo H2
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| VKworld T1 Plus | THL 2015A | Koobee Halo H2 | |
 Prices |  |  | |
| Model alias | T1 Plus Kratos | - | - |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 81.7 mm 8.17 cm 0.268 ft 3.217 in | 71.6 mm 7.16 cm 0.235 ft 2.819 in | 67.3 mm 6.73 cm 0.221 ft 2.65 in |
| Height | 159.5 mm 15.95 cm 0.523 ft 6.28 in | 144.6 mm 14.46 cm 0.474 ft 5.693 in | 136.2 mm 13.62 cm 0.447 ft 5.362 in |
| Thickness | 7.9 mm 0.79 cm 0.026 ft 0.311 in | 7.5 mm 0.75 cm 0.025 ft 0.295 in | 8.6 mm 0.86 cm 0.028 ft 0.339 in |
| Weight | - | 143 g 0.32 lbs 5.04 oz | 126 g 0.28 lbs 4.44 oz |
| Volume | 102.95 cm³ 6.25 in³ | 77.65 cm³ 4.72 in³ | 78.83 cm³ 4.79 in³ |
| Colors | Gray Rose-gold Gold | Black White | White Gray |
| Body materials | Aluminium alloy | Plastic Metal | 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 Nano-SIM / microSD | Mini-SIM 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) |
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 |
| W-CDMA | W-CDMA 850 MHz W-CDMA 2100 MHz | W-CDMA 900 MHz W-CDMA 2100 MHz | - |
| TD-SCDMA | - | - | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 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 | LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) 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 | UMTS EDGE Class 12 GPRS Class 12 LTE Cat 4 | 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) | Android 6.0 Marshmallow | Android 5.1 Lollipop | dido 4.0 (Android 4.4.4 KitKat) |
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 MT6735M | MediaTek MT6735A | MediaTek MT6732 |
| Process technology | 28 nm | 28 nm | 28 nm |
| CPU | ARM Cortex-A53 | ARM Cortex-A53 | ARM Cortex-A53 |
| CPU bits | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8-A | ARMv8-A |
| Level 1 cache memory (L1) | 32 KB + 32 KB | 32 KB + 32 KB | 32 KB + 32 KB |
| Level 2 cache memory (L2) | 512 KB 0.5 MB | 512 KB 0.5 MB | 512 KB 0.5 MB |
| CPU cores | 4 | 4 | 4 |
| CPU frequency | 1000 MHz | 1300 MHz | 1500 MHz |
| GPU | ARM Mali-T720 MP1 | ARM Mali-T720 MP1 | ARM Mali-T760 MP2 |
| GPU cores | 1 | 1 | 2 |
| GPU frequency | 500 MHz | 450 MHz | 500 MHz |
| RAM capacity | 2 GB | 2 GB | 1 GB |
| RAM type | LPDDR3 | LPDDR3 | LPDDR3 |
| RAM channels | Single channel | Single channel | Single channel |
| RAM frequency | 533 MHz | 533 MHz | 800 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 16 GB | 16 GB | 8 GB |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | microSD microSDHC microSDXC | microSD microSDHC | microSD microSDHC |
Display
The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.
| Type/technology | JDI IPS | IPS | IPS |
| Diagonal size | 6 in 152.4 mm 15.24 cm | 5 in 127 mm 12.7 cm | 5 in 127 mm 12.7 cm |
| Width | 2.94 in 74.72 mm 7.47 cm | 2.45 in 62.26 mm 6.23 cm | 2.45 in 62.26 mm 6.23 cm |
| Height | 5.23 in 132.83 mm 13.28 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 |
| Resolution | 720 x 1280 pixels | 720 x 1280 pixels | 720 x 1280 pixels |
| Pixel density | 245 ppi 96 ppcm | 294 ppi 115 ppcm | 294 ppi 115 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 76.4 % | 66.78 % | 75.43 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch | Capacitive Multi-touch |
| Display manufacturer - Japan Display Inc. Corning Gorilla Glass 2.5D curved glass screen LTPS (Low Temperature PolySilicon) Oleophobic (lipophobic) coating 90% NTSC VR headset support | - | OGS (One Glass Solution) Full Lamination Technology |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Gyroscope Fingerprint | Proximity Light Accelerometer Compass Hall | Proximity Light Accelerometer |
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 | Sony IMX258 Exmor RS | Sony IMX135 Exmor RS | - |
| Sensor type | CMOS | CMOS | CMOS |
| Sensor size | 4.71 x 3.49 mm 0.23 in | 4.69 x 3.52 mm 0.23 in | - |
| Pixel size | 1.133 µm 0.001133 mm | 1.136 µm 0.001136 mm | - |
| Crop factor | 7.37 | 7.38 | - |
| Aperture | - | f/2.2 | - |
| Number of lenses | - | 5 | - |
| Flash type | LED | LED | LED |
| Image resolution | 4160 x 3120 pixels 12.98 MP | 4128 x 3096 pixels 12.78 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | 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 |
| 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 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 |
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.
| Sensor model | - | Sony IMX179 Exmor R | Sony IMX219PQ Exmor R |
| Sensor type | - | CMOS | CMOS BSI |
| Sensor size | - | 4.54 x 3.42 mm 0.22 in | 3.67 x 2.76 mm 0.18 in |
| Pixel size | - | 1.391 µm 0.001391 mm | 1.124 µm 0.001124 mm |
| Crop factor | - | 7.61 | 9.42 |
| Field of view | - | - | 80 ° |
| 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 |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece |
| - | - | Yamaha PA Wolfson Microelectronics |
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 Wi-Fi Direct Wi-Fi Display | 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 |
| 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 On-The-Go | Charging Mass storage On-The-Go | 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 | 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 eAAC+ MIDI MP3 WMA WAV | AAC AMR eAAC+ FLAC M4A 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 H.263 H.264 MP4 Xvid | 3GPP AVI H.263 H.264 MP4 | 3GPP AVI MKV MP4 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 | 4300 mAh | 2700 mAh | 1850 mAh |
| Type | Li-Polymer | Li-Polymer | Li-Polymer |
| 2G talk time | 15 h 900 min 0.6 days | - | - |
| 2G stand-by time | 360 h 21600 min 15 days | - | - |
| 3G talk time | 15 h 900 min 0.6 days | - | - |
| 3G stand-by time | 360 h 21600 min 15 days | - | - |
| Charger output power | 5 V / 2 A | - | - |
| Features | Fast charging Non-removable | Fast charging Removable | Non-removable |
| VKworld T1 Plus | THL 2015A | Koobee Halo H2 |