The E51 was announced back in September 2007. Almost one and a half year later Nokia introduced the successor of this device as their first compact QWERTY keyboard smart phone. For customers who prefer an alphanumeric keypad over a QWERTY keypad Nokia announced the E52 at the beginning of this month.
Both the E52 and the E55 seem to be an evolution of the older E51. Therefore let’s take a look what Nokia changed to create the E51’s successors. The main focus while creating the E51 and the E52/E55 was to make a compact smart phone with a reasonable price. The E51 has almost the same size as the E55/E52. It is two millimeters thicker and one millimeter shorter than its successors. The unsubsidized initial price of the E51 (without camera) was 250€. For the E51 with camera you had to pay 100€ more. (E55/E52: 265€ unsubsidized)
Other than the small differences in size and price what are the major changes between the 2007 smart phone and the 2009 smart phone?
1. Updated OS: From S60 3rd Edition FP1 to S60 3rd Edition FP2.
2. Screen size from 2” to 2.4”
3. From 96MB SDRAM to 128MB SDRAM
4. CPU clock from 369MHz to 600MHz
5. Camera from 2MP or rather non to 3.2MP
6. New E-Mail client in E52/E55
7. Battery from 1050 mAh to 1500 mAh
Of course there are several other differences like video recording, the GPS feature in E52/E55 and support for certain image and video file formats. But all in all it shows that the E52 and E55 are worthy upgrades from the E51.
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