Comparison between:
- Fairphone 6
- Xiaomi Redmi 8A Dual
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Fairphone 6 | Xiaomi Redmi 8A Dual | |
 |  | |
| Model alias | - | Redmi 8A Pro M2001C3K3I |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 73.3 mm 7.33 cm 0.24 ft 2.886 in | 75.41 mm 7.541 cm 0.247 ft 2.969 in |
| Height | 156.5 mm 15.65 cm 0.513 ft 6.161 in | 156.48 mm 15.648 cm 0.513 ft 6.161 in |
| Thickness | 9.6 mm 0.96 cm 0.031 ft 0.378 in | 9.4 mm 0.94 cm 0.031 ft 0.37 in |
| Weight | 193 g 0.43 lbs 6.81 oz | 188 g 0.41 lbs 6.63 oz |
| Volume | 110.13 cm³ 6.69 in³ | 110.92 cm³ 6.74 in³ |
| Colors | Black White Green | Midnight Grey Sea Blue Sky White |
| Body materials | Aluminium alloy Plastic | Plastic |
| Certification | IP55 MIL-STD-810H | - |
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 eSIM | 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) | 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 | GSМ 850 МНz (В5) GSМ 900 МНz (В8) GSМ 1900 МНz (В2) | GSМ 850 МНz (В5) GSМ 900 МНz (В8) GSМ 1900 МНz (В2) |
| W-CDMA | - | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 1900 MHz (B2) W-CDMA 2100 MHz (B1) |
| UMTS | UМТS 900 МНz (В8) UМТS 1700 МНz (В4) UМТS 1900 МНz (В2) UМТS 2100 МНz (В1) | - |
| LTE | LТЕ-FDD 700 МНz (В12) LТЕ-FDD 700 МНz (В28) LТЕ-FDD 800 МНz (В20) LТЕ-FDD 850 МНz (В5) LТЕ-FDD 850 МНz (В18) LТЕ-FDD 850 МНz (В19) LТЕ-FDD 850 МНz (В26) LТЕ-FDD 900 МНz (В8) LТЕ-FDD 1500 МНz (В32) LТЕ-FDD 1700 МНz (В4) LТЕ-FDD 1800 МНz (В3) LТЕ-FDD 1900 МНz (В2) LТЕ-FDD 2100 МНz (В1) LТЕ-FDD 2600 МНz (В7) LТЕ-ТDD 2500 МНz (В41) | LТЕ-FDD 850 МНz (В5) LТЕ-FDD 900 МНz (В8) LТЕ-FDD 1800 МНz (В3) LТЕ-FDD 2100 МНz (В1) LТЕ-ТDD 2500 МНz (В41) |
| 5G NR | 5G-FDD 600 MHz (n71) 5G-FDD 700 MHz (n28) 5G-FDD 800 MHz (n20) 5G-FDD 850 MHz (n5) 5G-FDD 900 MHz (n8) 5G-FDD 1800 MHz (n3) 5G-FDD 2100 MHz (n1) 5G-TDD 2500 MHz (n41) 5G-FDD 2600 MHz (n7) 5G-TDD 2600 MHz (n38) 5G-TDD 3500 MHz (n78) 5G-TDD 3700 MHz (n77) | - |
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 | UМТS GРRS НSРА+ | UМТS GРRS LТЕ |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | Аndrоid 15 | МΙUΙ 10 (Аndrоid 9.0 Рiе) МΙUΙ 11 (Аndrоid 10) |
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 | Quаlсоmm Snарdrаgоn 7s Gеn 3 (SМ7635) | Quаlсоmm Snарdrаgоn 439 (SDМ439) |
| Process technology | 4 nm | 12 nm |
| CPU | 1х 2.5 GНz АRМ Соrtех-А720, 3х 2.4 GНz АRМ Соrtех-А720, 4х 1.8 GНz АRМ Соrtех-А520 | 4х 1.95 GНz АRМ Соrtех-А53, 4х 1.45 GНz АRМ Соrtех-А53 |
| CPU bits | 64 bit | 64 bit |
| Instruction set | ARMv9-A | ARMv8-A |
| Level 1 cache memory (L1) | 16 KB + 16 KB | 16 KB + 16 KB |
| CPU cores | 8 | 8 |
| CPU frequency | 2500 MHz | 1950 MHz |
| GPU | Qualcomm Adreno 810 | Qualcomm Adreno 505 |
| GPU frequency | - | 650 MHz |
| RAM capacity | 8 GB | 2 GB 3 GB |
| RAM type | LPDDR5 | LPDDR4 |
| RAM channels | Quad channel | Single channel |
| RAM frequency | 3333 MHz | 933 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 256 GB | 32 GB |
| UFS 2.1 | UFS 2.1 |
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 | pOLED | IPS |
| Diagonal size | 6.31 in 160.27 mm 16.03 cm | 6.22 in 157.91 mm 15.79 cm |
| Width | 3.02 in 76.64 mm 7.66 cm | 2.69 in 68.43 mm 6.84 cm |
| Height | 5.54 in 140.76 mm 14.08 cm | 5.6 in 142.31 mm 14.23 cm |
| Aspect ratio | 1.837:1 | 2.08:1 |
| Resolution | 1176 x 2160 pixels | 1080 x 2246 pixels |
| Pixel density | 390 ppi 153 ppcm | 401 ppi 157 ppcm |
| Color depth | 30 bit 1073741824 colors | 24 bit 16777216 colors |
| Display area | 94.34 % | 82.8 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| Gorilla Glass 7i - 0.7 mm Oleophobic coating Fully laminated LTPO 10 - 120 Hz adaptive refresh rate 800 cd/m² typical brightness 1400 cd/m² peak brightness | 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 Gyroscope | Proximity Light Accelerometer |
| Side-mounted fingerprint sensor | - |
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 LYT-700C | - |
| Sensor type | CMOS | CMOS |
| Sensor format | 1/1.56" | - |
| Pixel size | 1 µm 0.001000 mm | - |
| Aperture | f/1.9 | f/2.2 |
| Number of lenses | - | 6 |
| Flash type | Dual LED | Dual LED |
| Image resolution | 8120 x 6180 pixels 50.18 MP | 4160 x 3120 pixels 12.98 MP |
| Video resolution | 3840 x 2160 pixels 8.29 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps |
| Features | 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 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) |
Ultra-wide camera
Specifications of the ultra-wide camera of the device. This type of camera captures a wider field of view compared to the main camera.
| Sensor format | 1/3.06" | - |
| Pixel size | 1.12 µm 0.001120 mm | - |
| Aperture | f/2.2 | - |
| Number of lenses | 5 | - |
| Image resolution | 13 MP | - |
| Features | Autofocus | - |
| ToF sensor | - |
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.
| Aperture | - | f/2.4 |
| 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.
| Sensor model | Samsung S5KJD1 | - |
| Sensor type | ISOCELL | CMOS |
| Pixel size | - | 1.12 µm 0.001120 mm |
| Aperture | - | f/2 |
| Image resolution | 8544 x 5837 pixels 49.87 MP | 3648 x 2190 pixels 7.99 MP |
| Video resolution | 3840 x 2160 pixels 8.29 MP | 1280 x 720 pixels 0.92 MP |
| Video FPS | 30 fps | - |
| Features | Face detection Face unlock Autofocus | Face unlock |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece Stereo speakers | Loudspeaker Earpiece |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | No | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GРS А-GРS GLОΝАSS | GРS А-GРS GLОΝАSS |
Wi-Fi
Wi-Fi is a technology that provides wireless data connections between various devices within a short range.
| Wi-Fi | 802.11а 802.11b 802.11g Wi-Fi 6 (802.11ах) Wi-Fi 6Е (802.11ах) Wi-Fi Disрlаy 802.11а 802.11ас 5GНz | 802.11b 802.11g 802.11а 802.11ас 5GНz |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 5.4 | 4.2 |
| Features | 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 |
| Version | 2.0 | 2.0 |
| Features | Charging Mass storage On-The-Go | 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 | No | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering NFC | 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 |
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 AAC+ AMR-WB aptX aptX HD eAAC+ FLAC MP3 WAV LC AAC ELD AMR-NB Opus Vorbis ALAC AIFF AP | 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 | H.263 VP9 Xvid HEVC H264 MEPG-2 Divx | 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 | 4415 mAh | 5000 mAh |
| Type | Li-Ion | Li-Polymer |
| Charger output power | 10 V / 3 A | 5 V / 2 A 9 V / 2 A |
| Quick charge technology | - | Qualcomm Quick Charge 3.0 |
| Features | Fast charging 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) | 0.157 W/kg | 0.486 W/kg |
| Body SAR (EU) | 0.998 W/kg | 1.688 W/kg |
| Head SAR (India) | - | 0.34 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 | - | P2i nano-coating |
| Fairphone 6 | Xiaomi Redmi 8A Dual |
