📱 Model features |
| Fairphone 4 (128GB) | Sony Xperia XZ2 (SO-03K) |
| Model | 4 (128GB) | Xperia XZ2 (SO-03K) |
| Other model names | Fairphone 4 (6GB RAM) | NTT DoCoMo Sony Xperia XZ2 4GB RAM, Sony PF22 |
| Country or region available | 
(Europe) | 
Japan |
| Brand | Fairphone | Sony |
| Release date | 10/25/2021, Announced: 9/30/2021 | 4/5/2018 |
| Depth | 10.5 millimeters (0.41 inches) | 11.1 millimeters (0.44 inches) |
| Size (width x height) | 75.5 x 162 millimeters (2.97 x 6.38 in) | 72 x 153 millimeters (2.83 x 6.02 in) |
| Weight | 225 grams (7.88 ounces) | 198 grams (6.93 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| 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. | Waterproof (IP?) |
🤖 Operating System |
| Fairphone 4 (128GB) | Sony Xperia XZ2 (SO-03K) |
| System version | Android 11 | Android 8.0 Oreo |
| Firmware update | Android 12 | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor |
| Fairphone 4 (128GB) | Sony Xperia XZ2 (SO-03K) |
| 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 2.7GHz Kryo 385 Gold (Quad-core)
4x 1.7GHz 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 (128GB) | Sony Xperia XZ2 (SO-03K) |
| RAM memory | 6GB LPDDR4X | 4GB LPDDR4 |
| Internal storage | 128GB (104GB available)
UFS 2.1 | 64GB (50GB available) |
| External storage | Until 1TB microSD, microSDXC
(dedicated slot) | Until 1TB microSD, microSDXC
(dedicated slot) |
📲 Display |
| Fairphone 4 (128GB) | Sony Xperia XZ2 (SO-03K) |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 6.3" inches | 5.7" inches |
| Screen-to-body ratio | ~79.7% (screen-to-body ratio) | ~76.1% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1080x2160 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 409 PPI | 424 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass 5 |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
📶 Mobile networks |
| Fairphone 4 (128GB) | Sony Xperia XZ2 (SO-03K) |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card
(dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM)
nano-SIM (4FF) | 1 slot (Single-SIM)
nano-SIM (4FF) |
| Maximum Download / Upload | 3000/1024 Mbps | 1200/150 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G |
| Frequency, bands | Expand band detailsCollapse details |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 800/850/2100 |
| 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 (Bands 1,3,4,5,7,12,13,17,19,21,28)
TD-LTE (Bands 38,39,40,41,42)
VoLTE |
| 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, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| 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 | Not supported |
📷 Camera |
| Fairphone 4 (128GB) | Sony Xperia XZ2 (SO-03K) |
| Back camera (main camera) | (dual camera)
48 megapixels
48MP ultrawidef/2.21/2"0.8µmPDAF+TOF3D | 19.2 megapixels |
| Main camera resolution | 8000x6000 pixels | 5056x3792 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.6 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | 25mm lens |
| Sensor size | 1/2" inches | 1/2.3" inches |
| Pixel size | 0.8µm pixel | 1.22µm pixel |
| Autofocus | PDAF: phase detection autofocus | LDAF/PDAF: laser/phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital 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/video only main camera |
| Camera extras | 4K@30fps
1080p@30/60fps | feature not registered |
📸 Front camera |
| Fairphone 4 (128GB) | Sony Xperia XZ2 (SO-03K) |
| Front camera (secondary) | 25 megapixels | 5 megapixels |
| Front camera resolution | 5760x4320 pixels | 2592x1944 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.78" inches | 1/3" inches |
| Pixel size | 0.9µm pixel | 1.12µm pixel |
🔉 Sound and multimedia |
| Fairphone 4 (128GB) | Sony Xperia XZ2 (SO-03K) |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Digital TV FullSeg |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, DivX, XviD |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity |
| Fairphone 4 (128GB) | Sony Xperia XZ2 (SO-03K) |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | USB 3.1 Type-C reversible connector |
| Audio output | Type-C reversible connector | Type-C jack with 3.5mm jack adapter |
| 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 | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors |
| Fairphone 4 (128GB) | Sony Xperia XZ2 (SO-03K) |
| Sensors | Accelerometer
Ambient Light sensor
Compass
Face unlock
Fingerprint sensor (side-mounted)
Gyroscope
Proximity sensor | Accelerometer
Ambient Light sensor
Barometer
Compass
Fingerprint sensor
Gyroscope
Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery |
| Fairphone 4 (128GB) | Sony Xperia XZ2 (SO-03K) |
| Battery type | LiPo: Li-Ion polymer (Removable) | Li-Ion: Lithium-Ion (Non removable) |
| Battery capacity | 3905 mAh | 3180 mAh |
| Charger, watts | 20W Wired fast charging | Wired charging |
| Wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features |
| Fairphone 4 (128GB) | Sony Xperia XZ2 (SO-03K) |
| 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, Silver, Deep Green, Ash Pink
• Aluminum frame
• Front/back glass
• USB OTG On-The-Go
• HDR display
• Triluminos display
• X-Reality Engine
• Fast battery charging (Power delivery)
• Qi wireless charging
• 24-bit/192kHz audio
• WiFi miracast
• IP68 certified: dust/water proof up to 1.5m for 30min
• ISDB-T TV |
☢️ Radiation rate |
| Fairphone 4 (128GB) | Sony Xperia XZ2 (SO-03K) |
| 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 |