Microsoft Lumia 640 (Dual-Sim 3G) vs Fairphone 6
Side by side comparison between Microsoft Lumia 640 vs Fairphone 6 phones, differences, pros, cons and full specifications. What's the better?
,
vs
6.31"
OLED
OLED
1116x2484
50
MP
MP
32mp
8GB
RAM
RAM
Octa-core
4415
mAh
mAh
(Removable)
What's the better phone? Fairphone 6
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!
5 Advantages 
31 Advantages | 18 Common items in both devices |
| Only digital zoom |
| Autofocus / PDAF on back camera and autofocus front camera |
| BSI sensor |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +11 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 | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Fairphone 6 | |
| Model | Lumia 640 (Dual-Sim 3G) | Fairphone 6 |
| Other model names | Microsoft Lumia 640 3G Dual Sim, Microsoft RM-1109 | Fairphone (Gen. 6) |
| Country or region available | feature not registered |   (Europe), (Global, International) |
| Brand | Microsoft | Fairphone |
| Release date | 4/1/2015 | 6/25/2025 |
| Depth | 8.8 millimeters (0.35 inches) | 9.6 millimeters (0.38 inches) |
| Size (width x height) | 72.2 x 141.3 millimeters (2.84 x 5.56 in) | 73.3 x 156.5 millimeters (2.89 x 6.16 in) |
| Weight | 145 grams (5.08 ounces) | 193 grams (6.76 ounces) |
| Build, materials | feature not registered | Aluminum body, glass front, plastic back |
| Protection against water and others | Not supported | IP55 certified: dust resistant and protection from short-term exposure to water jets MIL-STD-810H military certified: rigorous testing for salt, dust, humidity, rain, vibration, solar radiation, drop and thermal shock resistance. |
📲 Display | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Fairphone 6 | |
| Display type | TFT IPS LCD | LTPO OLED |
| Screen size | 5" inches | 6.31" inches |
| Screen-to-body ratio | ~67.6% (screen-to-body ratio) | ~83.7% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 1116x2484 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 294 PPI | 432 PPI |
| Colors | 16 million | 1 billion |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 7i |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 880nits[typ], 1400nits[peak] |
🤖 Operating System | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Fairphone 6 | |
| System version | Windows Phone 8.1 | Android 15 |
| Firmware update | feature not registered | Android 16 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Fairphone 6 | |
| Chipset | 32bit: Qualcomm Snapdragon 400 MSM8926 (28nm) | 64bit: Qualcomm Snapdragon 7s Gen 3 (SM7635) (4nm) |
| CPU | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A7 (Quad-core) | Octa-core, 3 processors: 1x 2.5GHz ARM Cortex-A720 (Single-core) 3x 2.4GHz ARM Cortex-A720 (Triple-core) 4x 1.8GHz ARM Cortex-A520 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 305 400Mhz | Qualcomm Adreno 810 (1GHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 786958 (v10) |
💽 Memory and storage | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Fairphone 6 | |
| RAM memory | 1GB LPDDR2 | 8GB LPDDR5 |
| Internal storage | 8GB (3GB available) | 256GB (220GB available) UFS 3.1 |
| External storage | Until 128GB microSD, microSDXC (dedicated slot) | Until 2TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Fairphone 6 | |
| 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) micro-SIM (3FF) | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 42/5.76 Mbps | 3000/1024 Mbps |
| Network technology | 2G, 3G | 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 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 32, 66, 71) TD-LTE (38, 40, 41, 42) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 71, 77, 78) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Fairphone 6 | |
| Back camera (main camera) | 8 megapixels | (triple camera) 50 megapixels 13MP ultrawide f/2.21/3.06"1.12μmPDAF 0.3MP depth TOF-3D |
| Main camera resolution | 3264x2448 pixels | 8160x6120 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/2.2 (aperture) | f/1.6 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/4" inches | 1/1.56" inches |
| Pixel size | feature not registered | 1µm pixel |
| Autofocus | Autofocus | PDAF on back camera and autofocus front camera |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | 4K@30fps 1080p@30/60/120fps 720p@240fps Sony Lytia 700C Samsung KD1 |
📸 Front camera | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Fairphone 6 | |
| Front camera (secondary) | 1 megapixels | 32 megapixels |
| Front camera resolution | 1280x720 pixels | 6528x4896 pixels |
| Video recording (secondary) | HD (1280x720) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/3.42" inches |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Fairphone 6 | |
| Loudspeaker | Supported | Stereo sound |
| Active noise cancellation | 2 microphones or more | 2 microphones |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Fairphone 6 | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 4.0 + A2DP | 5.4 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Fairphone 6 | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Fairphone 6 | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2500 mAh | 4415 mAh |
| Charger, watts | Wired charging | 30W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 20 hours | feature not registered |
| Standby | 840 hours (35 days) | feature not registered |
➕ Other features | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Fairphone 6 | |
| Call control | Voice dialing, Voice recorder | 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: Black • Lumia Denim UI • Microsoft ClearBlack display • OneDrive 30GB • Beidou GPS • WiFi hotspot | • Colors: Horizon Black, Cloud White, Forest Green iFixit: 10/10 |
☢️ Radiation rate | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Fairphone 6 | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.49W/kg (head), 1.39W/kg (body) |