Nokia Windows 8 Lumia smartphones
Nokia will show off Nokia's new Windows 8 smartphones on Wednesday in New YorkZheyang Soohoo / Reuters

October has been one of the key months of 2013 for the tech world as a number of smartphones have been introduced, While Samsung came up with curved screen, Apple and Nokia unveiled some praiseworthy pieces and stayed under constant focus..

Following is the list of smartphones and their key specifications, which have been introduced in October 2013: (from GSM Arena)

Samsung Galaxy Note 3

Display: 5.7in Super AMOLED Full HD screen with 386ppi pixel density.

Memory: Comes in 16/32/64GB internal memory variants with microSD card support up to 64GB. The device also includes 3GB RAM.

Processors and OS: Dual-Sim and LTE models feature a 2,3GHz Snapdragon 800 quad-core processor. The 3G model features a 1.9GHz quad-core and 1.3GHz quad-core Exynos 5 Octa processor. All the models run on Android 4.3 Jelly Bean OS.

Camera: 13 megapixel rear and 2 megapixel front camera

Battery: 3200mAh Li-Ion battery

Samsung Galaxy Round

Display: 5.7in Super Flexible AMOLED Full HD screen with 386ppi pixel density.

Memory: The device comes with an in-built memory of 32GB and supports microSD card for up to 64GB. The device also features 3GB RAM.

Processors and OS: Galaxy Round is powered by a 2.3GHz Snapdragon 800 quad-core processor and runs on Android 4.3 Jelly Bean OS.

Camera: 13 megapixel rear and 2 megapixel front camera.

Battery: 2800mAh Li-Ion battery

HTC One Max

Display: 5.9in Super LCD3 Full HD screen with 373ppi pixel density.

Memory: Comes in 16/32GB internal memory storage variants and supports microSD Card of up to 64GB. The device features a 2GB RAM.

Processors and OS: HTC One Max is powered by 1.7GHz Snapdragon 600 quad-core processor and runs on Android 4.3 Jelly Bean OS.

Camera: 4 megapixel (with Ultrapixel technology) rear and 2.1 megapixel front camera.

Battery: 3300mAh Li-Po non-removable battery.

Nokia Lumia 1520

Display: 6in IPS LCD Full HD screen with 367ppi pixel density.

Memory: Comes with 32GB as in-built memory storage with 64GB microSD card support. The device also features a 2GB of RAM.

Processors and OS: Lumia 1520 is powered by 2.2GHz Snapdragon 800quad-core processor and runs on Microsoft Windows Phone 8 Black OS.

Camera: 20 megapixel rear and 1.2 megapixel front camera.

Battery: 3400mAh non-removable Li-Ion battery.

Nokia Lumia 1320

Display: 6in IPS LCD HD screen with 245ppi pixel density.

Memory: Comes with 8GB in-built memory with up to 64GB microSD card support and features 1GB RAM.

Processors and OS: Lumia 1320 is powered by 1.7GHz Snapdragon S4 Dual-core processor and runs on Microsoft Windows Phone 8 Black OS.

Camera: 5 megapixel rear and VGA front camera.

Battery: 3400mAh Li-Ion non-removable battery.

LG G-Flex

Display: 6in Curved P-OLED HD (1280 x 720) display. The pixel density has not been disclosed.

Memory: 2GB RAM and 32GB in-built storage. External memory storage details stay under cover.

Processors and OS: 2.26GHz quad-core Snapdragon 800 processor and would run on Android 4.2.2 Jelly Bean OS. The graphics will be handled by Adreno 330 GPU.

Camera: 13 megapixel rear camera and 2.1 megapixel front camera.

Battery: non-removable 3500mAh battery capacity