Nokia's numbering system can sometimes be a bit baffling. As a general rule, bigger numbers tend to denote higher specifications, but that can vary, and when you get two fairly similar numbers, such as the 635 and the 630, it's not always obvious what the differences are likely to be
Like the 630 and indeed most Nokia handsets these days, the 635 comes in a range of bright colours (yellow, green and orange, as well as black or white) and you can swap covers to suit your mood, but unlike the 630 the casing has a glossy finish rather than matte.
It has the same less-than-HD 4.5-inch screen as the 630, which delivers a resolution of 854x480 pixels (214ppi). It's not super-sharp but for most tasks the lack of HD resolution isn't too much of a hindrance -- pictures, videos and web pages tend to look a little softer, but not overly lacking in detail.
Processor and performance
The quad-core 1.2GHz processor backed by 512MB RAM may not be the fastest, but it proved to be fairly smooth in operation, strolling around the latest Windows Phone 8.1 interface reasonably quickly, although it did occasionally take a little time to dwell on opening some apps. Our AnTuTu benchmark test gave it a score of 11,417, which is quite a jump from the Lumia 620 for instance, and puts it close behind the likes of the Lumia 1020.
The 5-megapixel camera has no Carl Zeiss lens like the pricier Lumias but it does come with a large f/2.4 aperture, autofocus and several settings, including downloadable camera apps like Nokia Refocus, which allows you to add depth to your pics by changing the focal point. There's no flash or dedicated shutter button (you'll need to press the screen to take a pic), but it's capable of taking some okay photos so long as you're careful with your light. Disappointingly though, there's no forward-facing camera for video calls.
SPECIFICATIONS
Software
Windows Phone 8.1
Processor
Quad-core 1.2GHz Qualcomm Snapdragon400
Memory slot
Yes
Display
4.5in ClearBlack, IPS LCD, 854x480pixels
Connectivity
Wi-Fi b/g/n, Bluetooth 4.0
Ports
microUSB, 3.5mm headphone jack
Camera
5 megapixel with auto focus, 4x digitalzoom; VGA front-facing camera with F2.8 lens
Video playback
3G2, 3GP, MP4, WMV, AVI, M4V,MOV
Audio playback
MP4, AAC, MP3, M4A, WMA, 3G2,AMR, 3GP, ASF
Radio
Yes
Battery
1,830mAh
Size
130x67x9mm
Weight
134g
Like the 630 and indeed most Nokia handsets these days, the 635 comes in a range of bright colours (yellow, green and orange, as well as black or white) and you can swap covers to suit your mood, but unlike the 630 the casing has a glossy finish rather than matte.
It has the same less-than-HD 4.5-inch screen as the 630, which delivers a resolution of 854x480 pixels (214ppi). It's not super-sharp but for most tasks the lack of HD resolution isn't too much of a hindrance -- pictures, videos and web pages tend to look a little softer, but not overly lacking in detail.
Processor and performance
The quad-core 1.2GHz processor backed by 512MB RAM may not be the fastest, but it proved to be fairly smooth in operation, strolling around the latest Windows Phone 8.1 interface reasonably quickly, although it did occasionally take a little time to dwell on opening some apps. Our AnTuTu benchmark test gave it a score of 11,417, which is quite a jump from the Lumia 620 for instance, and puts it close behind the likes of the Lumia 1020.
The 5-megapixel camera has no Carl Zeiss lens like the pricier Lumias but it does come with a large f/2.4 aperture, autofocus and several settings, including downloadable camera apps like Nokia Refocus, which allows you to add depth to your pics by changing the focal point. There's no flash or dedicated shutter button (you'll need to press the screen to take a pic), but it's capable of taking some okay photos so long as you're careful with your light. Disappointingly though, there's no forward-facing camera for video calls.
SPECIFICATIONS
Software
Windows Phone 8.1
Processor
Quad-core 1.2GHz Qualcomm Snapdragon400
Memory slot
Yes
Display
4.5in ClearBlack, IPS LCD, 854x480pixels
Connectivity
Wi-Fi b/g/n, Bluetooth 4.0
Ports
microUSB, 3.5mm headphone jack
Camera
5 megapixel with auto focus, 4x digitalzoom; VGA front-facing camera with F2.8 lens
Video playback
3G2, 3GP, MP4, WMV, AVI, M4V,MOV
Audio playback
MP4, AAC, MP3, M4A, WMA, 3G2,AMR, 3GP, ASF
Radio
Yes
Battery
1,830mAh
Size
130x67x9mm
Weight
134g
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