Comparison between:
- InnJoo 3
- Huawei nova 2 Plus
- Lenovo K8 Note
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| InnJoo 3 | Huawei nova 2 Plus | Lenovo K8 Note | |
 |  |  | |
| Model alias | - | nova2Plus nova 2+ nova2+ nova 2Plus BAC-AL00 BAC-L21 BAC-TL00 | XT1902-3 |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 77 mm 7.7 cm 0.253 ft 3.031 in | 74.9 mm 7.49 cm 0.246 ft 2.949 in | 75.9 mm 7.59 cm 0.249 ft 2.988 in |
| Height | 157 mm 15.7 cm 0.515 ft 6.181 in | 153.9 mm 15.39 cm 0.505 ft 6.059 in | 154.5 mm 15.45 cm 0.507 ft 6.083 in |
| Thickness | 7.4 mm 0.74 cm 0.024 ft 0.291 in | 6.9 mm 0.69 cm 0.023 ft 0.272 in | 8.5 mm 0.85 cm 0.028 ft 0.335 in |
| Weight | 167 g 0.37 lbs 5.89 oz | 169 g 0.37 lbs 5.96 oz | 180 g 0.4 lbs 6.35 oz |
| Volume | 89.46 cm³ 5.43 in³ | 79.54 cm³ 4.83 in³ | 99.68 cm³ 6.05 in³ |
| Colors | Black Gray Gold | Gold Blue Green Black Rose-gold Silver | Gold Black |
| Body materials | Metal | Metal | Metal Polycarbonate |
SIM card
The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.
| SIM card type | Nano-SIM / microSD Nano-SIM | Nano-SIM Nano-SIM / microSD | Nano-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) |
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 900 MHz W-CDMA 2100 MHz | - | - |
| UMTS | - | UMTS 850 MHz UMTS 900 MHz UMTS 1900 MHz UMTS 2100 MHz | UMTS 850 MHz UMTS 900 MHz UMTS 2100 MHz |
| LTE | LTE 1800 MHz LTE 2600 MHz | LTE 800 MHz LTE 900 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz | LTE 850 MHz LTE 900 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz LTE-TDD 2300 MHz (B40) |
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+ LTE Cat 6 | UMTS EDGE GPRS HSPA+ LTE Cat 6 |
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 7.0 Nougat | Android 7.1.1 Nougat Android 8.0 Oreo |
| User interface (UI) | - | EMUI 5.1 | - |
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 MT6750T | Huawei HiSilicon KIRIN 659 | MediaTek Helio X23 (MT6797D) |
| Process technology | 28 nm | 16 nm | 20 nm |
| CPU | 4x 1.5 GHz ARM Cortex-A53, 4x 1.0 GHz ARM Cortex-A53 | 4x 2.36 GHz ARM Cortex-A53, 4x 1.7 GHz ARM Cortex-A53 | 2x 2.3 GHz ARM Cortex-A72, 4x 1.85 GHz ARM Cortex-A53, 4x 1.4 GHz ARM Cortex-A53 |
| CPU bits | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8 | ARMv8-A |
| Level 1 cache memory (L1) | 32 KB + 32 KB | - | - |
| Level 2 cache memory (L2) | 512 KB 0.5 MB | - | - |
| CPU cores | 8 | 8 | 10 |
| CPU frequency | 1500 MHz | 2360 MHz | 2300 MHz |
| GPU | ARM Mali-T860 MP2 | ARM Mali-T830 MP2 | ARM Mali-T880 MP4 |
| GPU cores | 2 | 2 | 4 |
| GPU frequency | 650 MHz | - | 780 MHz |
| RAM capacity | 4 GB | 4 GB | 3 GB 4 GB |
| RAM type | LPDDR3 | LPDDR3 | LPDDR3 |
| RAM channels | Single channel | Double channel | Double channel |
| RAM frequency | 833 MHz | 933 MHz | 800 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 64 GB | 128 GB | 32 GB 64 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 | 5.5 in 139.7 mm 13.97 cm | 5.5 in 139.7 mm 13.97 cm |
| Width | 2.7 in 68.49 mm 6.85 cm | 2.7 in 68.49 mm 6.85 cm | 2.7 in 68.49 mm 6.85 cm |
| Height | 4.79 in 121.76 mm 12.18 cm | 4.79 in 121.76 mm 12.18 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 |
| Resolution | 1080 x 1920 pixels | 1080 x 1920 pixels | 1080 x 1920 pixels |
| Pixel density | 401 ppi 157 ppcm | 401 ppi 157 ppcm | 401 ppi 157 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 69.2 % | 72.58 % | 71.34 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| Dragontrail glass 2.5D curved glass screen GFF full lamination | 2.5D curved glass screen LTPS (Low Temperature PolySilicon) | Corning Gorilla Glass 3 2.5D curved glass screen 450 cd/m² |
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 Compass Gyroscope Fingerprint | Proximity Light Accelerometer Compass Gyroscope Fingerprint |
| Fingerprint sensor model - SunWave SW9362N | - | - |
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 | - | - | OmniVision OV13855 |
| Sensor type | CMOS | CMOS | PureCel |
| Sensor size | - | - | 4.75 x 3.54 mm 0.23 in |
| Pixel size | - | 1.25 µm 0.001250 mm | 1.142 µm 0.001142 mm |
| Crop factor | - | - | 7.31 |
| Aperture | f/1.8 | f/1.8 | f/2 |
| Focal length and 35 mm equivalent | 3.57 mm | - | - |
| Field of view | 88.1 ° | - | - |
| Number of lenses | 6 | - | - |
| Flash type | LED | LED | Dual LED |
| Image resolution | 5344 x 4016 pixels 21.46 MP | 3968 x 2976 pixels 11.81 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 |
| 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 Phase detection autofocus (PDAF) | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Phase detection autofocus (PDAF) |
| - | Secondary rear camera - 8 MP | Sensor type - PureCel Plus Secondary rear camera - 5 MP Sensor model - Samsung S5K5E2 (#2) Sensor type - CMOS BSI (#2) Sensor size - 2.9 x 2.15 mm (#2) |
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 IMX219PQ Exmor R | - | - |
| Sensor type | CMOS BSI | CMOS | - |
| Sensor size | 3.67 x 2.76 mm 0.18 in | - | - |
| Pixel size | 1.124 µm 0.001124 mm | - | - |
| Crop factor | 9.42 | - | - |
| Aperture | f/2 | f/2 | f/2 |
| Field of view | 88.5 ° | - | - |
| Auxiliary light | LED | - | LED |
| Image resolution | 3264 x 2448 pixels 7.99 MP | 5120 x 3840 pixels 19.66 MP | 4160 x 3120 pixels 12.98 MP |
| Video resolution | 1280 x 720 pixels 0.92 MP | 1920 x 1080 pixels 2.07 MP | 1280 x 720 pixels 0.92 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 Earpiece |
| - | Asahi Kasei AK4376A | Dolby Atmos |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | No | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS | GPS A-GPS GLONASS BeiDou | GPS A-GPS GLONASS |
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 Wi-Fi Direct | 802.11b 802.11g 802.11n Wi-Fi Hotspot Wi-Fi Direct | 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Dual band Wi-Fi Hotspot Wi-Fi Direct |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.0 | 4.2 | 4.2 |
| Features | A2DP EDR | A2DP LE | A2DP LE |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | USB Type-C | USB Type-C | Micro USB |
| Version | 2.0 | 2.0 | 2.0 |
| Features | Charging Mass storage On-The-Go | Charging Host Mass storage On-The-Go | Charging Mass storage On-The-Go |
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 VoLTE |
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 AAC+ AMR AMR-WB aptX eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AAC+ AMR AMR-WB 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 Flash Video H.263 H.264 QuickTime MP4 Xvid | 3GPP AVI H.263 H.264 MKV MP4 WebM WMV Xvid | 3GPP AVI H.263 H.264 MKV QuickTime 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 | 3340 mAh | 4000 mAh |
| Type | Li-Polymer | Li-Polymer | Li-Polymer |
| 2G talk time | - | - | 25 h 1500 min 1 days |
| 2G stand-by time | - | - | 378 h 22680 min 15.8 days |
| 3G talk time | - | - | 25 h 1500 min 1 days |
| 3G stand-by time | - | - | 378 h 22680 min 15.8 days |
| 4G talk time | - | - | 24 h 42 min 24.7 h 1482 min 1 days |
| 4G stand-by time | - | - | 378 h 22680 min 15.8 days |
| Charger output power | 5 V / 2 A | - | 5 V / 3 A |
| Features | Fast charging Non-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) | - | 0.94 W/kg | - |
| Body SAR (EU) | - | 1.19 W/kg | - |
| Head SAR (USA) | - | 1.3 W/kg | 0.66 W/kg |
| Body SAR (USA) | - | 0.79 W/kg | 1.157 W/kg |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | - | - | P2i nano-coating |
| InnJoo 3 | Huawei nova 2 Plus | Lenovo K8 Note |