Fairphone 4 (256GB) vs Sharp FX (STX-2)
Side by side comparison between Fairphone 4 vs Sharp FX phones, differences, pros, cons and full specifications. What's the better?
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6.3"
IPS
IPS
1080x2340
48
MP
MP
25mp
8GB
RAM
RAM
Octa-core
3905
mAh
mAh
(Removable)
vs
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!
34 Advantages 
3 Advantages | 6 Common items in both devices |
| Only digital zoom |
| Capacitive |
| Li-Ion: lithium-ion (Removable) |
| Hands-free calling |
| Vibrating alert |
| A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou / A-GPS |
| + 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) | Sharp FX (STX-2) | |
| Model | Fairphone 4 (256GB) | Sharp FX (STX-2) |
| Other model names | Fairphone 4 (8GB RAM) | AT&T Sharp FX STX-2, Sharp FX AT&T |
| Country or region available |  (Europe) |  USA |
| Brand | Fairphone | Sharp |
| Release date | 10/25/2021, Announced: 9/30/2021 | 7/25/2010 |
| Depth | 10.5 millimeters (0.41 inches) | 15.2 millimeters (0.6 inches) |
| Size (width x height) | 75.5 x 162 millimeters (2.97 x 6.38 in) | 55.9 x 114.3 millimeters (2.2 x 4.5 in) |
| Weight | 225 grams (7.88 ounces) | 142 grams (4.97 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | 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. | Not supported |
📲 Display | ||
| Fairphone 4 (256GB) | Sharp FX (STX-2) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 6.3" inches | 3" inches |
| Screen-to-body ratio | ~79.7% (screen-to-body ratio) | ~40.1% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 240x400 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Single touch 1-point |
| Pixel density (dot pitch) | 409 PPI | 155 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Fairphone 4 (256GB) | Sharp FX (STX-2) | |
| System version | Android 11 | Proprietary OS |
| Firmware update | Android 15 | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Fairphone 4 (256GB) | Sharp FX (STX-2) | |
| Chipset | 64bit: Qualcomm Snapdragon 750G (SM7225) (8nm) | feature not registered |
| CPU | Octa-core, 2 processors: 2x 2.2GHz Kryo 570 (Dual-core) 6x 1.8GHz Kryo 570 (Hexa-core) | Single-core, 1 processor: Single-core |
| GPU graphical controller | Qualcomm Adreno 619 (800MHz) | feature not registered |
| Performance (benchmark) | AnTuTu: 445885 (v10) | feature not registered |
💽 Memory and storage | ||
| Fairphone 4 (256GB) | Sharp FX (STX-2) | |
| RAM memory | 8GB LPDDR4X | 128MB |
| Internal storage | 256GB (220GB available) UFS 2.1 | 256MB (80MB available) |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Fairphone 4 (256GB) | Sharp FX (STX-2) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 3000/1024 Mbps | 3.6 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G |
| 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 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 28, 32, 71) TD-LTE (38, 40, 41) VoLTE | Not supported |
| 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 |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Fairphone 4 (256GB) | Sharp FX (STX-2) | |
| Back camera (main camera) | (triple camera) 48 megapixels 48MP ultrawide f/2.21/2"0.8µmPDAF 0.3MP depth TOF-3D | 2 megapixels |
| Main camera resolution | 8000x6000 pixels | 1600x1200 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | QVGA (320x240) 15 fps |
| Flash | Dual-LED flash | Not supported |
| Focal aperture | f/1.6 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Not supported |
| Touch focus | Supported | Not supported |
| Image stabilization | OIS: Optical stabilization | Not supported |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Not supported |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo on both cameras | Not supported |
| Camera extras | 4K@30fps 1080p@30/60fps | feature not registered |
📸 Front camera | ||
| Fairphone 4 (256GB) | Sharp FX (STX-2) | |
| Front camera (secondary) | 25 megapixels | Not supported |
| Front camera resolution | 5760x4320 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.78" inches | feature not registered |
| Pixel size | 0.9µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Fairphone 4 (256GB) | Sharp FX (STX-2) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones | Not supported |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Fairphone 4 (256GB) | Sharp FX (STX-2) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C SlimPort® | Not supported |
| Bluetooth | 5.1 + A2DP/LE | 2.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | Not supported |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Fairphone 4 (256GB) | Sharp FX (STX-2) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Not supported |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Fairphone 4 (256GB) | Sharp FX (STX-2) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) BTR2 |
| Battery capacity | 3905 mAh | 1240 mAh |
| Charger, watts | 20W Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 3 hours |
| Standby | feature not registered | 240 hours (10 days) |
➕ Other features | ||
| Fairphone 4 (256GB) | Sharp FX (STX-2) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, MMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | WAP, HTML |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Retractable QWERTY keyboard |
| Miscellaneous | • Colors: Gray, Green, Speckled Green • Modular phone with swappable components iFixit: 10/10 | • Colors: Black • Facebook, Twitter, MySpace • Tetris, UNO, Pacman games • AT&T Mobile TV Java framework |
☢️ Radiation rate | ||
| Fairphone 4 (256GB) | Sharp FX (STX-2) | |
| 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 |