Fairphone 4 (256GB) vs Xiaomi Redmi K30 (256GB)
Side by side comparison between Fairphone 4 vs Xiaomi Redmi K30 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
6.67"
IPS
IPS
1080x2400
64
MP
MP
20mp
8GB
RAM
RAM
Octa-core
4500
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!
14 Advantages 
12 Advantages | 31 Common items in both devices |
| 2.2GHz 64bit Octa-core (8nm) |
| 8GB LPDDR4X |
| 256GB (220GB available) / 256GB (230GB available) |
| UFS 2.1 |
| Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC |
| TFT IPS LCD |
| 16 million |
| +24 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) | Redmi K30 (256GB) | |
| Model | Fairphone 4 (256GB) | Redmi K30 (256GB) |
| Other model names | Fairphone 4 (8GB RAM) | Xiaomi Redmi K30 (256GB + 8GB RAM), M1912G7BC, M1912G7BE |
| Country or region available |  (Europe) |  (Global, International) |
| Brand | Fairphone | Xiaomi |
| Release date | 10/25/2021, Announced: 9/30/2021 | 12/1/2019 |
| Depth | 10.5 millimeters (0.41 inches) | 8.79 millimeters (0.35 inches) |
| Size (width x height) | 75.5 x 162 millimeters (2.97 x 6.38 in) | 76.6 x 165.3 millimeters (3.02 x 6.51 in) |
| Weight | 225 grams (7.88 ounces) | 208 grams (7.28 ounces) |
| Build, materials | Plastic body, glass front | Aluminum frame, glass front/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) | Redmi K30 (256GB) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 6.3" inches | 6.67" inches |
| Screen-to-body ratio | ~79.7% (screen-to-body ratio) | ~84.8% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1080x2400 pixels (20:9) |
| 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 | 120Hz |
| Display features | Not supported | HDR10 |
🤖 Operating System | ||
| Fairphone 4 (256GB) | Redmi K30 (256GB) | |
| System version | Android 11 | Android 10 |
| Firmware update | Android 13 | Android 11 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Fairphone 4 (256GB) | Redmi K30 (256GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 750G (SM7225) (8nm) | 64bit: Qualcomm Snapdragon 730G (SM7150-AB) (8nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz Kryo 570 (Dual-core) 6x 1.8GHz Kryo 570 (Hexa-core) | Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 619 (800MHz) | Qualcomm Adreno 618 (700MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Fairphone 4 (256GB) | Redmi K30 (256GB) | |
| RAM memory | 8GB LPDDR4X | 8GB LPDDR4X |
| Internal storage | 256GB (220GB available) UFS 2.1 | 256GB (230GB available) UFS 2.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 512GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Fairphone 4 (256GB) | Redmi K30 (256GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 3000/1024 Mbps | 800/150 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, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/2100 |
| 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 Cat15/13 (Bands 1, 3, 5, 8) TD-LTE (Bands 34, 38, 39, 40, 41) 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, 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) | Redmi K30 (256GB) | |
| Back camera (main camera) | (dual camera) 48 megapixels 48MP ultrawide f/2.21/2"0.8µmPDAF+TOF3D | (quad camera) 64 megapixels 8MP ultrawide f/2.213mm1/4.0"1.12µm 2MP macro f/2.41/5.0"1.75µm 2MP depth f/2.4 |
| Main camera resolution | 8000x6000 pixels | 10120x6328 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/1.9 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | 1/2" inches | 1/1.72" 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 | 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) | Redmi K30 (256GB) | |
| Front camera (secondary) | 25 megapixels | (dual front camera) 20 megapixels 2MP depth f/2.41/5"1.75µm |
| Front camera resolution | 5760x4320 pixels | 5184x3840 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 | 27mm (lens) |
| Sensor size | 1/2.78" inches | 1/3.4" inches |
| Pixel size | 0.9µm pixel | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Fairphone 4 (256GB) | Redmi K30 (256GB) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones | 2 microphones or more |
| Radio | Not supported | FM (RDS) |
| 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 (256GB) | Redmi K30 (256GB) | |
| 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® | 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, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Fairphone 4 (256GB) | Redmi K30 (256GB) | |
| 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 Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Fairphone 4 (256GB) | Redmi K30 (256GB) | |
| Battery type | LiPo: li-ion polymer (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3905 mAh | 4500 mAh |
| Charger, watts | 20W Wired fast charging | 27W 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 (256GB) | Redmi K30 (256GB) | |
| 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: Blue, Red, Purple • MIUI 11, 12 • Game Turbo 2.0 • 24-bit/192kHz audio |
☢️ Radiation rate | ||
| Fairphone 4 (256GB) | Redmi K30 (256GB) | |
| 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 |