2 reasons why not, Nexus Prime and Samsung Galaxy S2
Samsung Galaxy S2 vs Iphone 4s (mind you the galaxy has been out how long 6 monhts now)
On-board storage:
The Samsung Galaxy S II supports MicroSD card slot, so with the 16GB model only, a user can upgrade the phone’s storage to 48GB. Meanwhile, Apple is offering three iPhone 4S models, 16GB, 32GB and 64GB. The iPhone 4S doesn’t support MicroSD card slot.
Data speed:
The iPhone 4S is the fastest iPhone ever, not only in the processor department, but also on data connectivity. According to Apple, the iPhone 4S supports up to 14.4Mbps download, and 5.8Mbps up, while the Samsung Galaxy S2 is an HSPA+ ready phone with 21Mbps download speed and 5.76Mbps upload. The iPhone 4S is a CDMA/GSM phone or a world phone, while Samsung is offering GSM and CDMA Galaxy S II.
Display:
The iPhone 4S sports 3.5-inch screen, with the Retina Display or 960 x 640 pixel resolution at 326 ppi, while the Samsung Galaxy S II boasts 4.3-inch (4.52 for the Sprint Epic 4G Touch and T-Mobile USA’s Galaxy S II) Super AMOLED Plus screen technology. Samsung Galaxy S II’s screen sports 217 ppi (for the 4.3-inch screen and 206 ppi for the 4.52-inch screen) with the resolution of 480 x 800. The iPhone 4S sports theoretically crisper image, but the S II’s Super AMOLED Plus is just so gorgeous.
Talk Time, internet time, battery life:
The Samsung Galaxy S II (global version) supports up to 710 hours on 2G and 610 hours on 3G standby time, talk time of 18 hours and 20 min max on 2G and 8 hours 40 min on 3G and 5 to 6 hours with the realtime active usage. Meanwhile, the iPhone 4S supports up to 200 hours on standby on 3G, talk time of 8 hours on 3G and 14 hours on 2G GSM, and supports internet use of up to 6 hours on 3G or 9 hours max on Wi-Fi.
Price:
The Samsung Galaxy S II 16GB model sports the tag price of $199.99 (AT&T, Sprint), while the iPhone 4S with 16GB will use the same tag price of $199.99. Apple is offering two other models, the 32GB for $299.99 and 64GB for $399.99. 32GB Samsung Galaxy S II is not yet available in United States.