Fairphone 4 (256GB) vs Xiaomi Mi Mix 2S (128GB)
Side by side comparison between Fairphone 4 vs Xiaomi Mi Mix 2S phones, differences, pros, cons and full specifications. What's the better?
,
6.3"
IPS
IPS
1080x2340
48
MP
MP
25mp
8GB
RAM
RAM
Octa-core
3905
mAh
mAh
(Removable)
vs
5.99"
IPS
IPS
1080x2160
12
MP
MP
5mp
6GB
RAM
RAM
Octa-core
3400
mAh
mAh
(Non removable)
What's the better phone? Fairphone 4 (256GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
20 Advantages 
7 Advantages | 29 Common items in both devices |
| UFS 2.1 |
| TFT IPS LCD |
| 16 million |
| Dual-LED flash |
| PDAF: phase detection autofocus |
| OIS: Optical stabilization / OIS (4-axis): Optical stabilization |
| HDR photo on both cameras |
| +22 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Fairphone 4 (256GB) | Xiaomi Mi Mix 2S (128GB) | |
| Model | Fairphone 4 (256GB) | Xiaomi Mi Mix 2S (128GB) |
| Other model names | Fairphone 4 (8GB RAM) | 小米MIX 2S, Xiaomi Mix 2S (128GB + 6GB RAM), Xiaomi Polaris |
| Country or region available |  (Europe) |  (Global, International) |
| Brand | Fairphone | Xiaomi |
| Release date | 10/25/2021, Announced: 9/30/2021 | 4/3/2018 |
| Depth | 10.5 millimeters (0.41 inches) | 8.1 millimeters (0.32 inches) |
| Size (width x height) | 75.5 x 162 millimeters (2.97 x 6.38 in) | 74.9 x 150.86 millimeters (2.95 x 5.94 in) |
| Weight | 225 grams (7.88 ounces) | 189 grams (6.62 ounces) |
| Build, materials | Plastic body, glass front | Aluminum body, glass front, ceramic back |
| Protection against water and others | IP54 certified: protection against dust and splashing. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | Not supported |
📲 Display | ||
| Fairphone 4 (256GB) | Xiaomi Mi Mix 2S (128GB) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 6.3" inches | 5.99" inches |
| Screen-to-body ratio | ~79.7% (screen-to-body ratio) | ~81.9% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1080x2160 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 409 PPI | 403 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass 4 |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Fairphone 4 (256GB) | Xiaomi Mi Mix 2S (128GB) | |
| System version | Android 11 | Android 8.0 Oreo |
| Firmware update | Android 13 | Android 10 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Fairphone 4 (256GB) | Xiaomi Mi Mix 2S (128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 750G (SM7225) (8nm) | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz Kryo 570 (Dual-core) 6x 1.8GHz Kryo 570 (Hexa-core) | Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.8GHz Kryo 385 Silver (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 619 (800MHz) | Qualcomm Adreno 630 710Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Fairphone 4 (256GB) | Xiaomi Mi Mix 2S (128GB) | |
| RAM memory | 8GB LPDDR4X | 6GB LPDDR4X |
| Internal storage | 256GB (220GB available) UFS 2.1 | 128GB (118GB available) UFS 2.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Fairphone 4 (256GB) | Xiaomi Mi Mix 2S (128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 3000/1024 Mbps | 1200/100 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | CDMA 800/1900/2100, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 M1803D5XA Global version: UMTS 800/850/900/1700/1800/1900/2100 M1803D5XE/M1803D5XC/M1803D5XT versions: UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat15 (1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 28, 32, 71) TD-LTE (38, 40, 41) VoLTE | LTE Cat18 M1803D5XA Global version: LTE (Bands 1,2,3,4,5,7,8,12,13,17,18,19,20,25,26,27,28,29,30) TD-LTE (Bands 34,38,39,40,41) M1803D5XE/M1803D5XC/M1803D5XT versions: LTE (Bands 1,2,3,4,5,7,8,12,17,20) TD-LTE (Bands 34,38,39,40,41) |
| Primary 5G network | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 41, 71, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat15 (1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 28, 32, 71) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE |
📷 Camera | ||
| Fairphone 4 (256GB) | Xiaomi Mi Mix 2S (128GB) | |
| Back camera (main camera) | (dual camera) 48 megapixels 48MP ultrawide f/2.21/2"0.8µmPDAF+TOF3D | (dual camera) 12 megapixels 12MP f/2.41/3.4"1µmAF |
| Main camera resolution | 8000x6000 pixels | 4000x3000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | Dual-LED flash |
| Focal aperture | f/1.6 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2" inches | 1/2.55" inches |
| Pixel size | 0.8µm pixel | 1.4µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | OIS (4-axis): Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | 4K@30fps 1080p@30/60fps | feature not registered |
📸 Front camera | ||
| Fairphone 4 (256GB) | Xiaomi Mi Mix 2S (128GB) | |
| Front camera (secondary) | 25 megapixels | 5 megapixels |
| Front camera resolution | 5760x4320 pixels | 2560x1920 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.78" inches | feature not registered |
| Pixel size | 0.9µm pixel | 1.4µm pixel |
🔉 Sound and multimedia | ||
| Fairphone 4 (256GB) | Xiaomi Mi Mix 2S (128GB) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Fairphone 4 (256GB) | Xiaomi Mi Mix 2S (128GB) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | USB 2.0 Type-C reversible connector |
| Audio output | Type-C reversible connector | Type-C reversible connector |
| TV output | USB Type-C SlimPort® | Not supported |
| Bluetooth | 5.1 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Fairphone 4 (256GB) | Xiaomi Mi Mix 2S (128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Fairphone 4 (256GB) | Xiaomi Mi Mix 2S (128GB) | |
| Battery type | LiPo: li-ion polymer (Removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3905 mAh | 3400 mAh |
| Charger, watts | 20W Wired fast charging | 18W (9V/2A) Wired fast charging |
| Inductive / wireless charging | Not supported | Qi wireless charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Fairphone 4 (256GB) | Xiaomi Mi Mix 2S (128GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Gray, Green, Speckled Green • Modular phone with swappable components • iFixit: 10/10 | • Colors: Black, White • MIUI 9.5 • HDR10 display support • Quick Charge 3.0 • Type-C to 3.5 mm headphone jack adapter • VoLTE |
☢️ Radiation rate | ||
| Fairphone 4 (256GB) | Xiaomi Mi Mix 2S (128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.49W/kg (head), 0.99W/kg (body) | feature not registered |