iPhone 5S and Samsung Galaxy S5 are considered as the giants in the smartphone markets as these devices served as the yardstick to measure other smartphones.

However, these smartphones do not come cheap and costs around $800 and up for their unlocked versions. Below are the top five smartphone alternative for the iPhone 5S and Samsung Galaxy S5.

Google Nexus 5

One of the popular choices to replace any Android-based device is Google's own smartphone – Nexus 5. The device boasts fair specs and features that include: 5-inch Full HD screen display, quad core Snapdragon processor, a separate Adreno 330 GPU, 8MP rear camera, and 2300 mAh battery capacity. Many users took a liking on this smartphone because of the fast Android OS updates as well as pretty affordable price compared to other smartphones. The handset costs just $350.

LG G3

LG's latest handset dubbed as LG G3 packs some of the latest specs and features. It delivers a 5.5 inches screen display, a quad core Snapdragon 801 chipset, Adreno 330 graphics chip, the latest Android operating system, 13 MP back camera and 3000 mAh battery. Buyers can take home the device for $99 with a two-year contract with carriers offering the smartphone.

Sony Xperia Z2

Sony Xperia Z2 that was also announced in February at the Mobile World Congress. The new smartphone from the Japanese manufacturer features almost the same specs other handsets offer, such as: 5.3 inches Full HD screen display, quad core Snapdragon 801 chipset and Adreno graphics chip. It sports an amazing 20.7 megapixels rear shooter. Sony devices are popular for being sturdy and resilient to damages.

HTC One M8

Another lower cost alternative for iPhone 5S and Samsung Galaxy S5 is the new HTC One M8 smartphone. The device has similar specs and features with other handsets currently offered in the market. It boasts a 5-inch Full HD screen display, quad core Snapdragon 801 chipset and Adreno graphics chip. It also has a dual camera. The handset costs $699 for the unlocked version.

Xiaomi Mi3

The cheapest in the list is the new Xiaomi Mi3 that has a 5-inch 1080p IPS display that is powered by the 2.3GHz Snapdragon 800 processor with Adreno 330 GPU and 2GB of RAM. It seems that the specs are identical to the Google Nexus 5. Do not be surprise but the handset just costs $250.