We saw some heavy duty smartphones this year, and if you thought you saw the best, wait till you see our list of the upcoming smartphones for 2013 -  they will knock your socks off.

Samsung Galaxy 4 

After the stupendous success of Samsung Galaxy S3, the rumors of Galaxy S 4 are gaining momentum. The biggest change one can expect is the inclusion of metal chassis just like iPhone5. The device is expected to arrive with a 1080p 5-inch HD display (440ppi), 3GB of RAM, 32/64GB of internal memory, ARM Cortex A15 quad-core processor. 

iPhone 5S

Apple is set to reinvent mobile telephony with iPhone 5S with better specs around. It will have an NFC chip for the first time in their iPhone line of smartphone. It would be no surprise if they don’t add 2GB of RAM. Well, one could also expect a brand new Map app from this fabled tech giant. And not the least, the new version of iOS is also due with iPhone 5S.

BlackBerry 10 Aristo

The first full touch experience is coming your way with BlackBerry Aristo running on BB10. As the device is expected to be available worldwide in February, 2013 expectations from this device is huge.

Talking about the specs, it will have a quad-core 1.5GHz Qualcomm APQ8064 Krait processor, a 4.65 –inch OLED display, 2GB of RAM, an 8-mega pixel camera with 1080p HD recording, 2,800mAh battery, LTE and NFC chip embedded inside. 

Microsoft surface phone 

Microsoft is adamant to build a branded smartphone on the lines of Surface range of tablet. The software giant is currently testing mysterious device with multiple Asian manufacturers. As per internet buzz, it will come with at least 4.7-inch or 5-inch display. Otherwise, there is no information about the internal specifications of the device. But one thing is clear; it will be powered by Windows Phone 8.

Sony Nexus aka LT30i

The rumors of Sony Nexus device is still under scrutiny by many tech pundits. The uber cool smartphone is said to be running on Android 5.0 Key Lime Pie. It will have a decent 1.6 GHz Qualcomm Snapdragon processor with an Adreno 220 GPU on board and display measuring 1280 x 720 pixels. Going by the specs of Nexus 4, we expect this device to have at least 2GB of RAM and 16/32GB of onboard memory. 

HTC Deluxe 

HTC Deluxe is better known as HTC J Butterfly. It sports a huge 1080p 5-inch HD display (440ppi) with resolution of 1920 x 1080 pixels, a 1.5GHz quad –core Qualcomm Snapdragon S4 processor, 2GB of  RAM , 16GB of internal memory, an 8- mega pixel camera, NFC, LTE and Android Jelly Bean OS. The device will weigh around 140gm.

HTC Opera UL aka Facebook phone 

Dubbed HTC Opera UL, the Facebook-HTC powered device will sport  a speedy 1.4GHz dual core processor with Qualcomm Adreno 305. It will also flaunt a 1280x720 pixel HD display and run on Android 4.2 Jelly Bean. 

Sony Xperia Odin 

The Japanese giant is set to blow its competitors with Xperia Odin, a 5-inch monster with Android Jelly Bean on board. Unlike HTC Deluxe, the device also sports a 1080p HD screen with a whooping 440ppi to reckon with. All together, it will be a beast with some serious specs that include: a quad core 1.5GHz Snapdragon S4 Pro processor, 2GB of RAM, a powerful 13-mega pixel rear camera and 16/32GB of internal storage, LTE and NFC connectivity. 

LG Nexus 4

The device is just out in western world and is expected to land in India by next month. The device comes with a 4.7-inch HD IPS display, a 1.5GHz quad-core Snapdragon S4 Pro, 2GB of RAM, an 8- mega pixel rear camera, 2100 mAh battery NFC, LTE, support of wireless charging and running on Android 4.2 Jelly Bean. 

Sony Xperia Yuga 

Looks like Sony is set to bring not one, but two 5-inch monsters by early next year. And, one among them is Xperia Yuga. The dust and water resistant device is said to have a 5-inch 1080p HD display , 1.5GHz quad-core Qualcomm Snapdragon S4 Pro processor, 2GB of RAM , LTE, NFC and 2400mAh battery life.