Android OS: Both the Samsung Captivate and Sony Ericsson Xperia X10 are powered by Google's Android operating system. The Samsung Captivate, however, is running Android version 2.1 -- and is expected to be upgradeable to Android 2.2 Froyo, the latest version of the mobile OS. The Xperia X10, however, is running an older version of Android (1.6). An upgrade to 2.1 for the Xperia X10 is rumored. There are a number of differences between Android versions, most notably performance improvements between older and newer versions and added features such as enhanced support for Microsoft Exchange.
User Interface: Although both devices are powered by Android, the Samsung Captivate is running Samsung's custom TouchWiz 3.0 user interface while the Xperia X10 is running Sony Ericsson's Timescape user interface. TouchWiz and Timescape differ in a number of ways, including the homescreen widgets available, appearance and some Android enhancements characteristic of each respective interface. Overall, however, the core functionality of Android remains the same on both devices, and the choice between the two interfaces is one of personal preference.
Power: The Captivate is equipped with an ultra-fast fast 1 GHz Hummingbird processor and 512MB of RAM. With a 1 GHz Snapdragon processor, the Sony Ericsson Xperia X10 is also a snappy device. The Xperia X10, however, only has 384 MB of RAM while the Captivate is equipped with 512 MB of RAM. While the differences between the two devices aren't likely to be noticeable in day-to-day activities, the Captivate is a superior multitasker, capable of handling multiple applications running in the background better than its counterpart.
Display: The Samsung Captivate has a large and gorgeous 4-inch display with 480 x 800 pixels. The Xperia X10 also has a crisp 4-inch display with a slightly superior pixel resolution of 480 x 854. The Captivate is equipped with an ultra-thin Super AMOLED (active-matrix organic light-emitting diode) screen. The AMOLED screen will provide a number of advantages, including a brighter screen, less sunlight reflection, and reduced power consumption.
Camera: Both phones have powerful on-board cameras. The Captivate offers a 5-megapixel camera with autofocus. The Xperia X10 touts an 8.1-megapixel camera, making the Xperia capable of capturing more detail than the Captivate (relevant when making large prints or zooming in closely). The Xperia also has autofocus capabilities and a bright LED flash. While the Captivate lacks a flash, the phone is able to record HD-quality video at 720P (1280 x 720). The Xperia X10 is limited to capturing video at WVGA resolution (800 x 400).
Storage space: Right out of the box, the Samsung Captivate offers 16GB of on-board storage space and also will support up to a 32GB microSD card, making for a possible total of 48 gigabytes of storage. The Sony Ericsson Xperia X10 comes pre-installed with a 2GB microSD card, and can support up to a 32GB microSD card. Of course, this means that the Captivate has 8x the available storage space of the X10 without purchase of a microSD card.
Design: The Xperia X10 undoubtedly has a unique and eye catching design. The device is slightly bulkier than the Captivate, however, detracting from some the of the X10's sleekness. Despite their large displays, both phones are compact and will fit in most pockets or purses with ease.
Samsung All Share: Featuring DLNA (Digital Living Network Alliance) technology, the Captivate will be able to wirelessly send user-generated video content to other DLNA-enabled devices, such as TV’s, monitors and laptops.
Sony Ericsson Xperia X10
Wirefly's Price (as of publish date)
Android 2.1 (expected to be upgradeable to 2.2)
Samsung TouchWiz 3.0
Sony Ericsson Timescape
4-inch Super AMOLED, 480 x 800 Pixels
4-inch LCD, 480 x 854 Pixels
8.1-megapixel, autofocus, LED flash
HD; Up to 720p
Adobe Flash Support
Adobe Flash Lite
Adobe Flash Lite
16GB on-board; Support for up to 32GB microSD card
2GB microSD card pre-installed (support for up to 32GB microSD card)
Up to 5.83 hours talk time; up to 340 hours standby
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