Nokia Lumia 635 vs Microsoft Lumia 550
| Vormgeving | Touchscreen | Touchscreen |
| Afmetingen | 129.50 x 66.70 x 9.20 mm | 136.10 x 67.80 x 9.90 mm |
| Gewicht | 134.00 g | 141.90 g |
| Schermgrootte | 4.50" | 4.70" |
| Scherm | Kleurrijk / IPS TFT 16M kleuren 480 x 854 px (4.50") 218 ppi | Kleurrijk / TFT 16M kleuren 720 x 1280 px (4.70") 312 ppi |
| Bescherming scherm | Corning Gorilla Glass Buy screen protector |  |
| Extra scherm | | |
| Secundaire bescherming scherm | | |
| Max. gesprekstijd | 2G: 720 min. (12.0 h) 3G: 840 min. (14.0 h) | 2G: 960 min. (16.0 h) 3G: 840 min. (14.0 h) 4G: 1020 min. (17.0 h) |
| Max. standbytijd | 3G: 648 uur (27.0 dagen) | 2G: 672 uur (28.0 dagen) |
| Maximale afspeeltijd | Audio: 58 h (2.4 dagen) Video: 7 h (0.3 dagen) | Audio: 60 h (2.5 dagen) Video: 7,1 h (0.3 dagen) |
| Maximale surfen op het internet tijd | WiFi: 9,4 h (0.4 dagen) 3G: 8,8 h (0.3 dagen) | WiFi: 10 h (0.4 dagen) |
| Standaard batterij | Li-Ion 1830 mAhBuy powerbank | Li-Ion 2100 mAhBuy powerbank |
| Snel opladen van de batterij | | |
| Draadloos opladen van de batterij | | |
| Intern geheugen | 8 GB | 8 GB |
| RAM-geheugen | 512 MB, 1 GB | 1 GB |
| Geheugen kaarten |  microSD, microSDHC, microSDXC tot 128 GBBuy memory card | microSD, microSDHC, microSDXC tot 200 GBBuy memory card |
| Besturingssysteem | MS Windows Phone 8.1 | MS Windows 10 Mobile |
| Processor | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 210 MSM8909 |
| CPU-klok | 1200 MHz | 1100 MHz |
| GPU | Adreno 305 | Adreno 304 |
| Touchscreen | | |
| Dual SIM | | |
| SIM-kaarten standaard | SingleSIM(microSIM) | SingleSIM(nanoSIM) |
| Introductiedatum |  | IV. kwartaal 2015 |
| Andere namen van deze telefoon | - | - |
| GSM standaard | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS standaard (3G) | 850 900 2100 | 850 900 2100 |
| LTE-standaard | FDD LTE: 2600, 1800, 800 | FDD LTE: 2600, 2100, 1800, 900, 800 |
| CDMA standaard | | |
| TD-SCDMA-standaard | | |
| UMA standaard | | |
CAMERA'S - TERUG
| Eerste camera | | |
| Matrix | 5 Mpx | 5 Mpx |
| Schermresolutie | 2592x1944 px | 2592x1944 px |
| Optische zoom | | |
| Digitale vergroting | 4x | 2x |
| Flitser | | LED |
| Dual-color LED-flitser | | |
| Videoresolutie | 1280x720 px | 1280x720 px |
| Videoformaten | H.264, MPEG4 | H.263, H.264, H.265, MPEG4 - 30 fps |
| Extra | AF, f/2.4 | AF |
CAMERA'S - VOORKANT
| Eerste camera | | |
| Matrix | nd | 2 Mpx |
| Schermresolutie | nd | 1600x1200 px |
| Optische zoom | nd | |
| Flitser | nd | |
| Dual-color LED-flitser | nd | |
| Videoformaten | nd | H.263, H.264, H.265, MPEG4 - 30 fps |
| Extra | nd | FF |
SENSORS
| Accelerometer | | |
| Nabijheid | | |
| Licht sensor | | |
| Magnetometer | | |
| Gyroscoop | | |
| Barometer | | |
| Altimeter | | |
| Gravity sensor | | |
| Hall-effect sensor | | |
| Iris scanner | | |
| Vingerafdrukscanner | | |
| Thermometer | | |
| Hygrometer | | |
Gegevens transmissie
| xHTML | | |
| WAP | v2.0 | v2.0 |
| HSCSD | | |
| HSDPA | 42.20 Mbit/s | 42.20 Mbit/s |
| HSUPA | 5.76 Mbit/s | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | 102.00 Mbit/s | - |
| LTE UP | 51.00 Mbit/s | 51.00 Mbit/s |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v4.0 | v4.1 |
| Perfil A2DP | | |
| HDMI | | |
| WiFi | v802.11 b/g/n | v802.11 b/g/n |
| WiFi frequenties | 2,4 GHz | 2,4 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi-hotspot | | |
| IrDA | | |
| USB | v2.0 | v2.0 |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| NFC | | |
COMMUNICATIE EN BERICHTEN
| Call waiting | | |
| Video conferentie verbinding | | |
| Redirect | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Swype | | |
| E-mailclient | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| QWERTY toetsenbord | | |
| RSS reader | | |
Multimedia
| Radio | | |
| MP3 bediening | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Geluidsformaten | AAC, AMR, ASF, M4A, WMA | AAC, AMR |
| Ringtone polyfoon | | |
| Video beltonen | | |
| Beltoon componist | | |
| Spelletjes | | |
| Java | | |
| Videoverbinding | | |
| DVB-H televisie | | |
| TV aansluiting | | |
PIM EN EXTRA FUNCTIES
| Klok | | |
| Alarm | | |
| Calculator | | |
| Valuta Converter | | |
| Organizer | | |
| Agenda | | |
| Vliegtuigstand | | |
| SyncML | | |
| Data en fax | | |
| Schermbeveiliging | | |
| Thema's | | |
| Verwisselbare cover | | |
| Voice picking | | |
| Speaker | | |
| Memorecorder | | |
| Trilalarm | | |