Fairphone 4 (128GB) vs Xiaomi Redmi Note 9T (128GB/4GB)
Side by side comparison between Fairphone 4 vs Xiaomi Redmi Note 9T phones, differences, pros, cons and full specifications. What's the better?
,
6.3"
IPS
IPS
1080x2340
48
MP
MP
25mp
6GB
RAM
RAM
Octa-core
3905
mAh
mAh
(Removable)
vs
6.53"
IPS
IPS
1080x2340
48
MP
MP
13mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Fairphone 4 (128GB)
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!
13 Advantages 
9 Advantages | 35 Common items in both devices |
| 128GB (104GB available) / 128GB (101GB available) |
| Until 1TB microSD, microSDXC |
| Plastic body, glass front |
| TFT IPS LCD |
| 60Hz |
| 16 million |
| 1080x2340 pixels |
| +28 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 (128GB) | Redmi Note 9T (128GB/4GB) | |
| Model | Fairphone 4 (128GB) | Redmi Note 9T (128GB/4GB) |
| Other model names | Fairphone 4 (6GB RAM) | Redmi Note 9T 5G M2007J22G |
| Country or region available |  (Europe) |  (Global, International) |
| Brand | Fairphone | Xiaomi |
| Release date | 10/25/2021, Announced: 9/30/2021 | 1/18/2021, Announced: 1/8/2021 |
| Depth | 10.5 millimeters (0.41 inches) | 9 millimeters (0.35 inches) |
| Size (width x height) | 75.5 x 162 millimeters (2.97 x 6.38 in) | 77.3 x 161.9 millimeters (3.04 x 6.37 in) |
| Weight | 225 grams (7.88 ounces) | 199 grams (6.97 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| 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. | Water repellent nano-coating (don't immerse) |
📲 Display | ||
| Fairphone 4 (128GB) | Redmi Note 9T (128GB/4GB) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 6.3" inches | 6.53" inches |
| Screen-to-body ratio | ~79.7% (screen-to-body ratio) | ~83.6% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 409 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass 5 |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | 450nits[typ] 2.5D glass |
🤖 Operating System | ||
| Fairphone 4 (128GB) | Redmi Note 9T (128GB/4GB) | |
| System version | Android 11 | Android 10 |
| Firmware update | Android 13 | Android 12 |
| User Interface | feature not registered | MIUI 12 / 13 |
⚙️ Processor | ||
| Fairphone 4 (128GB) | Redmi Note 9T (128GB/4GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 750G (SM7225) (8nm) | 64bit: MediaTek Dimensity 800U (7nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz Kryo 570 (Dual-core) 6x 1.8GHz Kryo 570 (Hexa-core) | Octa-core, 2 processors: 2x 2.4GHz ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 619 (800MHz) | ARM Mali-G57 MC3 (850MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 288732 (v8) Geekbench: 1775 (v5.1) |
💽 Memory and storage | ||
| Fairphone 4 (128GB) | Redmi Note 9T (128GB/4GB) | |
| RAM memory | 6GB LPDDR4X | 4GB LPDDR4X |
| Internal storage | 128GB (104GB available) UFS 2.1 | 128GB (101GB available) UFS 2.2 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Fairphone 4 (128GB) | Redmi Note 9T (128GB/4GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 3000/1024 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G, 5G |
| 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 850/900/1700/1900/2100 |
| 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 Cat12 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32) TD-LTE (38, 40, 41, 42) VoLTE |
| Primary 5G network | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 41, 71, 77, 78) | 1, 3, 5, 7, 8, 20, 28, 38, 41, 77, 78, 79 SA/NSA/Sub6 |
| 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, SA/NSA |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| 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 | LTE Cat12 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32) TD-LTE (38, 40, 41, 42) VoLTE |
| Secondary 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, SA/NSA |
📷 Camera | ||
| Fairphone 4 (128GB) | Redmi Note 9T (128GB/4GB) | |
| Back camera (main camera) | (dual camera) 48 megapixels 48MP ultrawide f/2.21/2"0.8µmPDAF+TOF3D | (triple camera) 48 megapixels 2MP macro f/2.4 2MP depth f/2.4 |
| Main camera resolution | 8000x6000 pixels | 8000x6000 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/1.8 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | 1/2" inches | 1/2" inches |
| Pixel size | 0.8µm pixel | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: 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 | Supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | 4K@30fps 1080p@30/60fps | 1080p@30/60fps |
📸 Front camera | ||
| Fairphone 4 (128GB) | Redmi Note 9T (128GB/4GB) | |
| Front camera (secondary) | 25 megapixels | 13 megapixels |
| Front camera resolution | 5760x4320 pixels | 4128x3096 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.3 (aperture) |
| Focal length | feature not registered | 29mm (lens) |
| Sensor size | 1/2.78" inches | 1/3.1" inches |
| Pixel size | 0.9µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Fairphone 4 (128GB) | Redmi Note 9T (128GB/4GB) | |
| Loudspeaker | Mono sound (not stereo) | Stereo sound with dual speakers 24-bit/192kHz |
| Active noise cancellation | 2 microphones | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Fairphone 4 (128GB) | Redmi Note 9T (128GB/4GB) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C SlimPort® | USB Type-C (reversible) |
| Bluetooth | 5.1 + A2DP/LE | 5.1 + 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, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Fairphone 4 (128GB) | Redmi Note 9T (128GB/4GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Fairphone 4 (128GB) | Redmi Note 9T (128GB/4GB) | |
| Battery type | LiPo: li-ion polymer (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3905 mAh | 5000 mAh |
| Charger, watts | 20W Wired fast charging | 18W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Fairphone 4 (128GB) | Redmi Note 9T (128GB/4GB) | |
| 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: Nightfall Black, Daybreak Purple |
☢️ Radiation rate | ||
| Fairphone 4 (128GB) | Redmi Note 9T (128GB/4GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.07W/kg (head), 1.05W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.49W/kg (head), 0.99W/kg (body) | 0.59W/kg (head), 0.94W/kg (body) |