Comparison between:
- Koobee Star S3 Plus
- Allview V2 Viper
- HTC One M9e
- LeTV Le 1s
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Koobee Star S3 Plus | Allview V2 Viper | HTC One M9e | LeTV Le 1s | |
 |  |  |  | |
| Model alias | - | - | One M9 (e) | 1s X500 X501 |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 77.4 mm 7.74 cm 0.254 ft 3.047 in | 67 mm 6.7 cm 0.22 ft 2.638 in | 69.7 mm 6.97 cm 0.229 ft 2.744 in | 74.2 mm 7.42 cm 0.243 ft 2.921 in |
| Height | 152.3 mm 15.23 cm 0.5 ft 5.996 in | 137.2 mm 13.72 cm 0.45 ft 5.402 in | 144.6 mm 14.46 cm 0.474 ft 5.693 in | 151.1 mm 15.11 cm 0.496 ft 5.949 in |
| Thickness | 7.9 mm 0.79 cm 0.026 ft 0.311 in | 7.85 mm 0.785 cm 0.026 ft 0.309 in | 9.61 mm 0.961 cm 0.032 ft 0.378 in | 7.5 mm 0.75 cm 0.025 ft 0.295 in |
| Weight | 180 g 0.4 lbs 6.35 oz | 143 g 0.32 lbs 5.04 oz | 157 g 0.35 lbs 5.54 oz | 169 g 0.37 lbs 5.96 oz |
| Volume | 93.13 cm³ 5.66 in³ | 72.16 cm³ 4.38 in³ | 96.86 cm³ 5.88 in³ | 84.09 cm³ 5.11 in³ |
| Colors | White Gold | Black White | Gray Gold Silver | Gold Silver |
| Body materials | Aluminium alloy Plastic | Metal Aluminium alloy | Aluminium alloy | Aluminium alloy 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 | Nano-SIM | Micro-SIM Nano-SIM |
| Number of SIM cards | 2 | 2 | 1 | 2 |
| Features | - | - | - | 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 | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz |
| W-CDMA | - | - | - | W-CDMA 850 MHz W-CDMA 900 MHz W-CDMA 1900 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 |
| UMTS | - | UMTS 900 MHz UMTS 1900 MHz UMTS 2100 MHz | UMTS 850 MHz UMTS 900 MHz UMTS 1900 MHz UMTS 2100 MHz | - |
| LTE | LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) | LTE 800 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz | LTE 800 MHz LTE 850 MHz LTE 900 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz LTE-TDD 2300 MHz (B40) LTE-TDD 2600 MHz (B38) LTE 700 MHz (B28) | LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz 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 | UMTS EDGE Class 10 GPRS Class 12 HSPA+ LTE Cat 4 | UMTS EDGE GPRS HSPA+ LTE Cat 6 | UMTS EDGE GPRS HSPA+ 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) | dido 5.2 (Android 4.4.4 KitKat) | Android 5.0 Lollipop | Android 5.0.2 Lollipop | Android 5.0.2 Lollipop Android 6.0 Marshmallow |
| User interface (UI) | - | - | Sense 7 | EUI 5.5 |
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 MT6735 | MediaTek MT6735 | MediaTek Helio X10 (MT6795) | MediaTek Helio X10 (MT6795) |
| Process technology | 28 nm | 28 nm | 28 nm | 28 nm |
| CPU | ARM Cortex-A53 | ARM Cortex-A53 | ARM Cortex-A53 | ARM Cortex-A53 |
| CPU bits | 64 bit | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8-A | ARMv8-A | ARMv8-A |
| Level 1 cache memory (L1) | 32 KB + 32 KB | 32 KB + 32 KB | 256 KB + 256 KB | 256 KB + 256 KB |
| Level 2 cache memory (L2) | 512 KB 0.5 MB | 512 KB 0.5 MB | 2048 KB 2 MB | 2048 KB 2 MB |
| CPU cores | 4 | 4 | 8 | 8 |
| CPU frequency | 1300 MHz | 1300 MHz | 2200 MHz | 2200 MHz |
| GPU | ARM Mali-T720 MP1 | ARM Mali-T720 MP1 | PowerVR G6200 | PowerVR G6200 |
| GPU cores | 1 | 1 | - | - |
| GPU frequency | 600 MHz | 600 MHz | 700 MHz | 700 MHz |
| RAM capacity | 1 GB | 1 GB | 2 GB | 3 GB |
| RAM type | LPDDR3 | LPDDR3 | LPDDR3 | LPDDR3 |
| RAM channels | Single channel | Single channel | Double channel | Double channel |
| RAM frequency | 640 MHz | 640 MHz | 933 MHz | 933 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 8 GB | 16 GB | 16 GB | 16 GB 32 GB |
| - | - | - | eMMC 5.0 |
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 | AMOLED | Super LCD 3 | IPS |
| Diagonal size | 5.5 in 139.7 mm 13.97 cm | 4.7 in 119.38 mm 11.94 cm | 5 in 127 mm 12.7 cm | 5.5 in 139.7 mm 13.97 cm |
| Width | 2.7 in 68.49 mm 6.85 cm | 2.3 in 58.53 mm 5.85 cm | 2.45 in 62.26 mm 6.23 cm | 2.7 in 68.49 mm 6.85 cm |
| Height | 4.79 in 121.76 mm 12.18 cm | 4.1 in 104.05 mm 10.4 cm | 4.36 in 110.69 mm 11.07 cm | 4.79 in 121.76 mm 12.18 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 | 1080 x 1920 pixels | 1080 x 1920 pixels |
| Pixel density | 267 ppi 104 ppcm | 312 ppi 122 ppcm | 441 ppi 173 ppcm | 401 ppi 157 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 70.97 % | 66.46 % | 68.6 % | 74.62 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| Viewing angle - 178° | N.E.G. glass OGS (One Glass Solution) | Corning Gorilla Glass 3 | Corning Gorilla Glass 3 80% NTSC 500 cd/m² |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass | Proximity Light Accelerometer Compass | Proximity Light Accelerometer Compass Gyroscope | Proximity Light Accelerometer Compass Fingerprint |
| - | - | - | Fingerprint sensor model - Goodix GF5118M |
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 Exmor R | OmniVision OV8865 | Sony IMX214 Exmor RS | Samsung |
| Sensor type | CMOS BSI | CMOS BSI 2 | CMOS | ISOCELL |
| Sensor size | - | 4.61 x 3.47 mm 0.23 in | 4.69 x 3.52 mm 0.23 in | 4.69 x 3.52 mm 0.23 in |
| Pixel size | - | 1.414 µm 0.001414 mm | 1.127 µm 0.001127 mm | 1.127 µm 0.001127 mm |
| Crop factor | - | 7.49 | 7.38 | 7.38 |
| Aperture | f/2 | - | f/2.2 | f/2 |
| Focal length and 35 mm equivalent | - | - | 3.77 mm 27.79 mm *(35 mm / full frame) | - |
| Number of lenses | - | - | - | 5 |
| Flash type | LED | LED | Dual LED | LED |
| Image resolution | 3264 x 2448 pixels 7.99 MP | 3264 x 2448 pixels 7.99 MP | 4160 x 3120 pixels 12.98 MP | 4160 x 3120 pixels 12.98 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 3840 x 2160 pixels 8.29 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 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 Scene mode | Autofocus Continuous shooting Digital zoom Digital image stabilization Optical image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Macro 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 Macro mode Phase detection autofocus (PDAF) |
| - | - | - | 1080p @ 60 fps 720p @ 120 fps High CRI LED flash Blue filter glass |
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 | - | - | - | Samsung S5K5E2 |
| Sensor type | - | - | CMOS | CMOS |
| Sensor size | - | - | 5.44 x 3.7 mm 0.26 in | 2.9 x 2.15 mm 0.14 in |
| Pixel size | - | - | 2.024 µm 0.002024 mm | 1.133 µm 0.001133 mm |
| Crop factor | - | - | 6.58 | 11.99 |
| Aperture | - | - | f/2 | f/2 |
| Focal length and 35 mm equivalent | - | - | 4.07 mm 26.76 mm *(35 mm / full frame) | - |
| Field of view | - | - | - | 90 ° |
| Image resolution | 1600 x 1200 pixels 1.92 MP | 2560 x 1920 pixels 4.92 MP | 2688 x 1520 pixels 4.09 MP | 2560 x 1920 pixels 4.92 MP |
| Video resolution | - | - | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video 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 Stereo speakers | Loudspeaker Earpiece |
| - | DTS | Dolby Audio | DTS |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | Yes | Yes | No |
| - | - | RDS | - |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS | GPS A-GPS | GPS A-GPS GLONASS BeiDou | GPS A-GPS GLONASS BeiDou |
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 | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Dual band Wi-Fi Hotspot Wi-Fi Direct | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Dual band Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.0 | 4.0 | 4.1 | 4.0 |
| Features | A2DP | A2DP EDR | A2DP EDR LE | 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 | USB Type-C |
| Version | 2.0 | 2.0 | 2.0 | 2.0 |
| Features | Charging Mass storage | Charging Mass storage | Charging Mass storage | Charging Mass storage On-The-Go |
HDMI
The High-Definition Multimedia Interface (HDMI) is considered to be the digital alternative of the analog audio/video interface standards.
| HDMI | - | - | - | Micro USB to HDMI MHL adapter |
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 Infrared Tethering | Computer sync OTA sync Infrared Tethering DLNA NFC | Computer sync OTA sync Infrared Tethering DLNA |
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+ FLAC MIDI MP3 OGG WMA WAV | AAC AMR aptX eAAC+ FLAC M4A MIDI MP3 OGG WMA WAV | AAC AMR AMR-WB aptX FLAC MIDI MP3 OGG WMA |
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 MKV MP4 WMV Xvid | 3GPP AVI MKV MP4 WMV Xvid | 3GPP 3GPP2 AVI DivX H.263 H.264 MPEG-4 WMV Xvid | 3GPP AVI Flash Video H.263 H.264 H.265 MP4 VC-1 VP8 VP9 WebM WMV WMV9 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 | 3130 mAh | 2000 mAh | 2840 mAh | 3000 mAh |
| Type | Li-Polymer | Li-Ion | Li-Polymer | Li-Polymer |
| 2G talk time | - | 9 h 540 min 0.4 days | 26 h 1560 min 1.1 days | 30 h 1800 min 1.3 days |
| 2G stand-by time | - | 200 h 12000 min 8.3 days | 620 h 37200 min 25.8 days | - |
| 3G talk time | - | 9 h 540 min 0.4 days | 17 h 1020 min 0.7 days | 29 h 1740 min 1.2 days |
| 3G stand-by time | - | 200 h 12000 min 8.3 days | 650 h 39000 min 27.1 days | - |
| 4G stand-by time | - | - | - | 496 h 29760 min 20.7 days |
| Charger output power | - | - | 5 V / 2 A | 5 V / 2.7 A 8 V / 2 A 9 V / 2.7 A 12 V / 2 A |
| Features | Removable | Removable | Fast charging Non-removable | Fast charging Non-removable |
Specific Absorption Rate (SAR)
The SAR rating shows the amount of electromagnetic radiation absorbed by the human body when using a mobile device, expressed in W/kg.
| Head SAR (EU) | - | 0.832 W/kg | - | - |
| Head SAR (USA) | - | - | - | 0.404 W/kg |
| Body SAR (USA) | - | - | - | 1.38 W/kg |
| Koobee Star S3 Plus | Allview V2 Viper | HTC One M9e | LeTV Le 1s |