Samsung Galaxy S4 Release Live Stream: Watch Online Samsung's Unpacked 2013 'Next Galaxy' Event From New York Radio City Music Hall (VIDEO)

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Image courtesy of SamsungSamsung's Invitation to the media event where the Galaxy S4 will be unveiled.

The Samsung Galaxy S4 is set to be released at "The Next Galaxy" event in New York's Radio City Music Hall on Thursday at 7 p.m. ET. With Samsung's Galaxy line of smartphones now considered the main competitor to Apple's iPhone, there will be huge interest in the Galaxy S4's unveiling today. The event can be watched online through free live streaming via the video player below.

Last year's Samsung Galaxy S3 was the most popular smartphone Samsung had ever released, and its successor is expected to gain as much attention this year. The S4 is expected to have a faster processor, be more efficient and smooth in its operating, and even slightly larger than the older model.

When Samsung released the S3 it made the phone slightly bigger and slightly thinner than the S2, and this year the company is expected to do the same with the S4 - with it being slightly bigger and a bit thinner than the S3.

The Galaxy S3 had dimensions of 136.6 x 70.6 x 8.6 mm, however, the S4 is expected to be 140.1 mm in length, as well as slightly wider at 71.8 mm. The device will be significantly thinner as well at 7.7 mm - if rumors about the device remain true.

The Galaxy S3 also featured a 4.8 inch Super AMOLED display at a 1280 x 720 resolution of 306 pixels per inch (ppi). The upgraded Galaxy S4 should feature a slightly larger 4.99-inch Full HD SoLux Display with a resolution of 1080 x 1920 pixels and a 450+ ppi.

Power-wise the Galaxy S3 had the quadcore 1.4 GHz Exynos 4 processor and an ARM Mali-400 for its GPU. Both of those chips will get an upgrade for the S4, which is rumored to be featuring the new Exynos 5 Octa CPU.

Last year's ARM-based GPU is also said to be replaced by a new 1.9 GHz Snapdragon 600 chip from Qualcomm, which will help power the display and the phone's operating system - which is expected to be Android 4.2 Jelly Bean.

The Android 5.0 Key Lime Pie is not expected at this event and is more likely to drop in May later this year.

The Samsung Galaxy S4 is said to have an even more powerful chip than the S3 from Broadcom - the "5G Wi-Fi combo chip" - listed as the BCM4335 chip. The 5G Wi-Fi combo chip is said to improve the wireless range of devices, making it even easier and faster to stream and download large files or videos.

The S4 should also come with a 13 megapixel camera, a big upgrade from the 8 megapixel camera than came with the Galaxy S3 - which was already widely praised by analysts.

One of the major features expected to be unveiled tonight will be the Atmel's new MaXTouch S controllers - which should allow users to interact with their devices without even touching the screen.

Others have also touted that the Galaxy S4 will be the first Galaxy S smartphone to feature wireless charging.

The Samsung Galaxy S4 release live stream event can be watched below from 7 p.m. ET: