Comparison between:
- Koobee F1
- Xiaomi Redmi 8
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Koobee F1 | Xiaomi Redmi 8 | |
 |  | |
| Model alias | - | Redmi8 Red Rice 8 Red Rice8 M1908C3IC MZB8257IN; M1908C3II M1908C3IG M1908C3IH |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 71.5 mm 7.15 cm 0.235 ft 2.815 in | 75.41 mm 7.541 cm 0.247 ft 2.969 in |
| Height | 153.3 mm 15.33 cm 0.503 ft 6.035 in | 156.48 mm 15.648 cm 0.513 ft 6.161 in |
| Thickness | 7.9 mm 0.79 cm 0.026 ft 0.311 in | 9.4 mm 0.94 cm 0.031 ft 0.37 in |
| Weight | 179 g 0.39 lbs 6.31 oz | 188 g 0.41 lbs 6.63 oz |
| Volume | 86.59 cm³ 5.26 in³ | 110.92 cm³ 6.74 in³ |
| Colors | Gold Rose-gold Black Blue | Onyx Black Ruby Red Sapphire Blue |
| Body materials | Metal Glass | 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 | Nano-SIM / microSD Nano-SIM | Nano-SIM |
| Number of SIM cards | 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 (B5) GSM 900 MHz (B8) GSM 1800 MHz (B3) GSM 1900 MHz (B2) |
| CDMA | CDMA 800 MHz | CDMA 800 MHz (BC0) CDMA 1900 MHz (BC1) |
| W-CDMA | W-CDMA 850 MHz W-CDMA 900 MHz W-CDMA 1900 MHz W-CDMA 2100 MHz | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 1900 MHz (B2) W-CDMA 2100 MHz (B1) |
| TD-SCDMA | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz | TD-SCDMA 2000 MHz |
| LTE | LTE 850 MHz LTE 900 MHz 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) | LTE-FDD 850 MHz (B5) LTE-FDD 900 MHz (B8) LTE-FDD 1800 MHz (B3) LTE-FDD 2100 MHz (B1) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) |
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 EV-DO Rev. A TD-SCDMA TD-HSDPA | UMTS EDGE GPRS HSPA+ LTE |
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 7.6 (Android 6.0 Marshmallow) | MIUI 10 (Android 9.0 Pie) |
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 MT6750 | Qualcomm Snapdragon 439 (SDM439) |
| Process technology | 28 nm | 12 nm |
| CPU | 4x 1.5 GHz ARM Cortex-A53, 4x 1.0 GHz ARM Cortex-A53 | 4x 1.95 GHz ARM Cortex-A53, 4x 1.45 GHz ARM Cortex-A53 |
| CPU bits | 64 bit | 64 bit |
| Instruction set | ARMv8-A | 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 |
| CPU frequency | 1500 MHz | 1950 MHz |
| GPU | ARM Mali-T860 MP2 | Qualcomm Adreno 505 |
| GPU cores | 2 | - |
| GPU frequency | 520 MHz | 650 MHz |
| RAM capacity | 4 GB | 3 GB 4 GB |
| RAM type | LPDDR3 | LPDDR3 |
| RAM channels | Single channel | Single channel |
| RAM frequency | 800 MHz | 800 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 64 GB | 32 GB 64 GB |
| - | eMMC 5.1 |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | 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 |
| Diagonal size | 5.7 in 144.78 mm 14.48 cm | 6.22 in 157.99 mm 15.8 cm |
| Width | 2.55 in 64.75 mm 6.47 cm | 2.66 in 67.63 mm 6.76 cm |
| Height | 5.1 in 129.5 mm 12.95 cm | 5.62 in 142.78 mm 14.28 cm |
| Aspect ratio | 2:1 2:1 (18:9) | 2.111:1 |
| Resolution | 720 x 1440 pixels | 720 x 1520 pixels |
| Pixel density | 282 ppi 110 ppcm | 270 ppi 106 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 76.74 % | 82.1 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| Corning Gorilla Glass 3D curved glass screen | In-cell 2.5D curved glass screen Corning Gorilla Glass 5 1500:1 70.8% NTSC |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Fingerprint | Proximity Light Accelerometer Compass Fingerprint |
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 | Sony IMX298 Exmor RS | Sony IMX363 Exmor RS |
| Sensor type | CMOS | CMOS |
| Sensor size | 5.22 x 3.92 mm 0.26 in | - |
| Sensor format | - | 1/2.55" |
| Pixel size | 1.132 µm 0.001132 mm | 1.4 µm 0.001400 mm |
| Crop factor | 6.63 | - |
| Aperture | f/2 | f/1.8 |
| Number of lenses | - | 6 |
| Flash type | LED | Dual LED |
| Image resolution | 4608 x 3456 pixels 15.93 MP | 4032 x 3024 pixels 12.19 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video 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 Phase detection autofocus (PDAF) | 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 Phase detection autofocus (PDAF) |
| Secondary rear camera | Phase detection with Dual Pixel |
Depth-sensing camera
Specifications of the depth sensor of the device. Depth sensors measure the distance between the subject and the camera, enabling features such as bokeh in portraits.
| Image resolution | - | 2 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.
| Pixel size | - | 1.12 µm 0.001120 mm |
| Aperture | - | f/2 |
| Image resolution | 4608 x 3456 pixels 15.93 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | 1280 x 720 pixels 0.92 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps |
| Features | - | Face unlock |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece |
| - | Smart PA |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS | GPS A-GPS 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 Wi-Fi Direct | 802.11b 802.11g 802.11n 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 |
| Features | A2DP | A2DP LE |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | Micro USB | USB Type-C |
| Version | 2.0 | 2.0 |
| Features | Charging Mass storage | Charging Host 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 |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Infrared Tethering | Computer sync OTA sync Infrared 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 |
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 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 MKV MP4 WMV Xvid | 3GPP AVI DivX H.263 H.264 H.265 MKV MP4 VC-1 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 |
| Type | Li-Polymer | Li-Polymer |
| Charger output power | 5 V / 2 A | 5 V / 2 A 9 V / 2 A |
| Features | 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) | - | 0.231 W/kg |
| Body SAR (EU) | - | 1.48 W/kg |
| Head SAR (USA) | - | 0.478 W/kg |
| Body SAR (USA) | - | 1.074 W/kg |
| Head SAR (India) | - | 0.339 W/kg |
| Body SAR (India) | - | 1 W/kg |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | - | M1908C3II - SAR (Specific Absorption Rate) India: head - 0.339 W/kg; body - 1.000 W/kg P2i nano-coating |
| Koobee F1 | Xiaomi Redmi 8 |