Nokia Lumia 521 and 620 are new smart phones in the market available for giving tough competition to the smart devices of the other brands. Lumia is an amazing series by Nokia which offers you to take photos during night or day with great camera technology. The live tiles on the screen allow you to know about the things that are happening in world. The new and advanced wireless technology can charge your phone without even plugging in. The Lumia series is a combination of features and great look. The operating system of these phones are Windows phone 8 which come with exciting specs like HERE Maps, Nokia Music+, MS Office and 4G internet connection which works super fast on high end Lumia phone.
The size of Nokia Lumia 521 is 4 inches and the resolution is 480×800 pixels with pixel density of 235 ppi. It has LCD capacitive touch screen with multi touch technology. It displays colors in 16M. Also, the phone has sensors for light and proximity. The glass of the device is scratch proof so it is good for rough use as well. In case of Nokia Lumia 620, its size is 3.8 inches and resolution is 480×800 pixels same as Lumia 521 with pixel density 246 ppi. The screen is TFT and displays colors 16M. The display is capacitive and supports multi touch. This device too has sensors for light and proximity.
The battery used in Lumia 521 supports talk time of 14.8 hours and average is 11 hours. In case of 3G is supports 9.6 hours and average 10 h. Stand by time on 3G is 15 days and average is 24 days. One can play music for about 61 hours and videos can be played for 4 hours. The battery type is 1430 mAh. Nokia Lumia 620 supports talk time of 14.6 hours and average is 11 h. Also, 3G talk time supported by the device is 9.90 hours and average is 10 h. The stand by time for 3G is 13.8 days and average is 24 days. Music playback is supported for 61 hours and for video playback the battery lasts for 6 hours. The battery types used in this Lumia phone is 1300 mAh Li-Ion.
In Nokia Lumia 521 and 620 the processor used is dual core 100MHz and Krait. The system chip used in both is just the similar and that is Qualcomm Snapdragon S4 Plus MSM8227. The graphic processor is Adreno 305 and system memory is 512 MB RAM. The storage capacity that comes in built with these phones is 8GB. The storage expansion can be supported through micro SD, micro SDHC, micro SDXC and that is up to 64 GB.
Nokia Lumia 512 has 5 MP camera and aperture size is F2.4. The focal length is 28mm. The features coming with this camera are autofocus, exposure compensation, ISO control, touch to focus, geo tagging, white balance and Panorama. One can capture and edit images with great ease. The camcorder supported is of resolution 1280×720 and the format in which recording done is MPEG4 H.264. It has light when video is recorded and while video calling. The front facing camera is VGA and of 0.3MP. Nokia Lumia 620 has 5 MP of camera with LED flash which enhances the image quality and the aperture size is F2.4 with focal length of 28mm. The other built in features are auto-focus, white balance presets, geo tagging, touch to focus and scenes. The camcorder comes with resolution of 1280×720.
The dimensions of Nokia Lumia 521 are 4.72 x 2.52 x 0.39 in inches and weigh about 124 grams. The Nokia Lumia 620 has dimensions of 4.54×2.41×0.43 in inches and weighs about 127 grams.
Nokia Lumia 521 has side keys on the right for Volume control, Lock and Unlock key and camera shutter key. Nokia Lumia 620 has side keys on left for volume control, lock and unlock key and Camera shutter.
Nokia Lumia 521 is available in black, white, yellow and red colors and Lumia 620 is available in black, white, green, blue and orange and pink colors.
The Nokia Lumia 521 and 620 both work on similar 2G network as GSM 850/900/1800/ and 3G network in Lumia 521 is WCDMA 850/1700/1900 and that in Lumia 620 is HSDPA 850/1900/2100.
Both the phones do not support dual SIM option but Lumia 620 has supports micro and nano cards.
The form factor of both the phones is candy bar which works efficiently in these devices.
Nokia Lumia 620 supports NFC and Lumia 521 does not. NFC stands for near field communication and is used for wireless transactions for payments. So this is a benefit in 620 over 521. Lumia 620 can be charged using standard USB cables from laptops and computers and USB power supplies as well. It has a two stage shutter which is used for first shutter to autofocus and second shutter to shoot or capture. It has 4.68% of higher pixel density and thus picture quality is clear. The video light is supported by 620 is good which records a movie even in a low light in clubs and discs. A video light helps when recording a movie in low-light situation like a party.
The Nokia Lumia 521 is modestly thinner and is 1.10 mm and 3G lighter than 620 Lumia. The body volume of the phone is 2.46% lesser than Lumia 620. The screen is 5.26% bigger and offers better experience than 521 Lumia. Downloads supported are a bit faster in this device. The battery power is more in this phone. In addition, the device has a gyroscope which is used to measure or maintain the orientation of the phone. It is useful in case of reality apps and games.