Product Comparison: Nokia Lumia 635 vs Microsoft Lumia 550


General Specifications
Brand
Nokia
Microsoft
Model
Lumia 635
Lumia 550
Origin
China
China
About the Product
With lightning fast 4G connectivity and a quad core processor, the Lumia 635 moves at extreme speeds, offering a superior experience on a beautiful 4.5" screen.
With the Microsoft Lumia 550 experience the power of Windows 10 at a price that won't hurt your wallet. With 4G LTE connectivity, smooth multitasking, and the all new Microsoft Edge browser, you can get to what matters faster.
Size & Weight
Height
5.1 in.
5.36 in.
Width
2.63 in.
2.67 in.
Depth
0.36 in.
0.39 in.
Weight
4.73 oz.
5.01 oz.
Display
Display Type
IPS LCD
IPS LCD
Screen Size
4.5 in.
4.7 in.
Screen Resolution
854 x 480
1280 x 720
Pixel Density
221 ppi
315 ppi
What customers say about "Display"
Nokia Lumia 635 SIM-Free Smartphone
  • A vivid color display which is better than the iPhone.
  • Fits nicely in the hand, comfortable screen size.
  • Screen is clear and bright.
  • I like this phone with very good screen.
  • I bought 2 phone and both of them had display issues.
Microsoft Lumia 550 SIM-Free Smartphone
  • Great display, works seamlessly with my PC and tablet.
  • Good product, large screen easy to read.
  • Pleased with the phone. Good display with good colors.
  • Vivid colors on this display. I like it.
  • It's not great, the screen flickers.
Processor
Processor Name
Snapdragon 400
Snapdragon 210
Number of Cores
4
4
Processor Speed
1.2 GHz
1.1 GHz
What customers say about "Processor"
Nokia Lumia 635 SIM-Free Smartphone
  • Really works well, is very fast.
  • It's great. Works fast. I recommend.
  • It has a really good balanced specification and the processor is very fast.
  • Great telephone and very fast!
  • Incredibly fast for the price. Good chip.
Microsoft Lumia 550 SIM-Free Smartphone
  • My daughter loves this phone. Works fast.
  • Really good phone at a great price. Very fast chip for my tasks.
  • Good and fast processor on this one for my needs.
  • I like this phone. Fast. Recommended.
  • Slow, apps crash. Probably best for someone using it for work with PC.
Memory
Internal Memory
8 GB
8 GB
RAM
0.512 GB
1 GB
Expandable Memory up to
128 GB
Camera
Rear-Facing Camera
5 MP
5 MP
Video Resolution
720p@30fps
720p@30fps, 480p@30fps
Other Functions
Panorama
LED flash
Front-Facing Camera
2 MP
What customers say about "Camera"
Nokia Lumia 635 SIM-Free Smartphone
  • You will still be pleased with the camera. Camera is easy to use.
  • Excellent camera, good for access to web, social media, etc.
  • Good quality of camera on this one. Recommended.
  • No front facing camera.
  • The quality of the images taken by the camera is pretty poor.
Microsoft Lumia 550 SIM-Free Smartphone
  • Good front and back camera. I like it.
  • Good back camera and average front camera.
  • Front camera is impressive. Good quality.
  • Cameras are good, both front and back.
  • Software updating issue, battery backup issue, poor camera.
Compatibility
Bluetooth
4.0
4.1
NFC Technology
No
No
Charging Interface
micro USB
micro USB
Network
Network Type
GSM / HSPA / LTE
GSM / HSPA / LTE
Wi-Fi
802.11 b/g/n
802.11 b/g/n
Frequency
850, 900, 1700, 1800, 1900, 2100
850, 900, 1800, 1900, 2100
Features
Operating System
Microsoft Windows Phone 8.1
Microsoft Windows 10
Unlocked
Yes
Yes
Voice Control App
Cortana
Cortana
Mobile Payment Service Supported
No
No
Maximum Usage Time
12 hours
14 hours
Headphone Jack
Yes
Yes
Water Resistant
No
No
Extras
It's Everything You Need, All the Apps you Need, Your Own Personal Radio Station, The Latest Windows Phone Features Built-in
Accelerometer, Proximity, Your truly personal assistant, Work anywhere, Powerful performance
What customers say about "Features"
Nokia Lumia 635 SIM-Free Smartphone
  • It has all the features on the phone that I need.
  • Great phone for the money and far more features than most would ever need.
  • A great full featured phone at an excellent price.
  • Great features and easy to use.
  • A lot of the features that came as standard with my old phone you get by registering and apparently paying for.
Microsoft Lumia 550 SIM-Free Smartphone
  • Replacable back panel in case of cracks.
  • It have the best E-mail application so far.
  • The phone won't break when you will throw it away.
  • The GPS navigation feature is excellent.
  • Has good features for me. I recommend this phone.
Power
Battery Capacity
1830 mA/h
2100 mA/h
Wireless Charging
No
No
What customers say about "Power"
Nokia Lumia 635 SIM-Free Smartphone
  • Good battery life. I recommend this device.
  • I am very happy with it. The battery is excellent.
  • Battery life has been excellent. Very pleased.
  • The battery life is pretty long thou.
  • Battery life is good, lasts over a day.
Microsoft Lumia 550 SIM-Free Smartphone
  • Long battery life in comparison to Samsung and Apple.
  • Battery life reasonable. Great for me.
  • With normal usage battery last at least 2 days.
  • Battery lasts longer. With moderate usage you can get through a day.
  • The battery doesn't last very long.
Accessories
Included With Unit
Charger, USB cable
Charger, USB cable
Warranty / Certifications
Manufacturer Warranty
1 year(s)
1 year(s)
Certifications
CE, FCC
CE, FCC
Other Information
Other reviews