With Apple recently claiming the No. 1 spot as the top smartphone vendor, Samsung will look to dethrone its rival after coming in as a close second. The showdown between the iPhone 5 and Samsung's Galaxy S2 will take place this fall as the two tech giants battle for smartphone supremacy.

Samsung's Galaxy S2 has rocketed into the market with rapid sales and high-end performance. The impressive part is that the smartphone has already sold over 3 million devices without entry in the U.S. market. With its upcoming launch in China and its U.S. debut scheduled for September, the Galaxy S2 could put Apple's top rank at risk.

To add more concern for Apple, Google's Android mobile OS has claimed a 39 percent share in the U.S. smartphone market compared with Apple's 28 percent, according to Nielsen. Combined with a red-hot Samsung lineup of Galaxy devices, it will give the South Korean tech company a boost towards the No. 1 spot.

However, Apple expects to fight back with the most anticipated smartphone release of 2011, the iPhone 5. A third of U.S. consumers are already planning to purchase the device, even without knowing its full specs.

Another survey by ChangeWave reports that 48 percent of the respondents say that if they are going to buy a smartphone in the next 90 days, it will be an iPhone. The iPhone 5 will no doubt attract buyers being the highest demanded smartphone on the market. But will that be enough to slow down Samsung's momentum?

Check out the matchup between Apple's iPhone 5 and Samsung's Galaxy S2 to see which device could propel their company to the top of the smartphone foodchain.

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Touchscreen Display
Samsung’s Galaxy S2 boasts a 4.3 inch Super AMOLED display capable of an 800x480 resolution. That is enough for watching some HD content. Unlike an LCD screen, Samsung’s Super AMOLED technology shows minimal discoloration when tilted at different angles.Apple’s current iPhone 4 screen is 3.5 inch, but that may change as the iPhone 5 is expected to see an edge to edge 4 inch screen utilizing retina display technology. Reuters
A5 Chip
iPhone 5 Release Date: Should You Buy iPhone 4S or Wait For The Next iPhone? iphonestuffs4u
Mobile Operating System
Samsung Galaxy S2 runs on Android 2.3 Gingerbread while Apple will upgrade their mobile to the iOS5. IBTimes
HD Camera
Samsung Galaxy S2 will offer a rear and front facing camera with LED flash. The rear facing camera has 8 megapixel capability while the front offer 2 megapixel. The smartphone has the capability for 1080p HD video playback.Apple’s iPhone 3 also expects to offer a front and rear facing camera with dual LED flash. The camera will be 8 megapixel with panoramic shooting capabilities and a 1080p HD video playback. Samsung
Connectivity
Samsung Galaxy S2 offers up to 21 Mbps for downloading and 5.76 Mbps for uploading. The connections run on HSDPA and HSUPA.Apple’s iPhone 5 expects to offer 14-21 Mbps on HSDPA. Reuters
Cost
Samsung Galaxy S2 is expected to be priced between $599 to $699 for an unlocked 16GB version. A locked version to be sold on contract from U.S. wireless carriers through AT&T and Verizon Wireless may sell for $250 to $300.Apple's iPhone 5 is expected to hit the markets in September and has been rumored to be priced at $600. No confirmation yet on wireless carriers. Reuters
Memory Storage
Samsung Galaxy S2 provides options of up to 32 GB depending on the MicroSD size. There is 16/32 GB of internal memory and 1 GB of RAM.Apple’s iPhone 5 will offer 16/32/64 GB of internal storage but may not offer external storage options. Reuters
Battery Life
Samsung Galaxy S2 offers an impressive battery life of 710 hours on standby on 2G and 610 hours on 3G networks. Talk time can last up to 9 hours running on 3G.The iPhone 5 may offer excellent battery life based on their track record. The iPhone 4 improved its batter life by 40% compared to previous versions by offering 6 hours of use on 3G and 10 hours through WiFi. The iPhone 5 may follow the same trend and surpass Samsung’s battery life specs. Reuters
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