LG has introduced the NVIDIA integrated device which is simply named LG Optimus 4X HD. It is the first smartphone from LG which is powered by quad-core processor. Tech fans are eagerly waiting to get their hands on the stunning device which could deal a killer blow to other quad-core smartphones. The iPhone 4S, an incredible smartphone, boasts of Siri, dual-core chip, iSight camera and more. Moreover, the upgrade to iOS 5.1 will add better features to the iPhone 4S. Not surprisingly, both the smartphones have impressive specs.

Here is a specs roundup of both the brilliant devices:

[1] Display

LG Optimus 4X HD boasts of HD-IPS LCD capacitive touchscreen with a whopping resolution of 1280x720 pixels. The IPS technology provides the RGB matrix. The 4.7-inch device has a thickness of about 8.9mm.

In comparison, the iPhone 4S flaunts the 3.5-inch Retina Display which has a resolution of 960x640 pixels at 326 pixels per inch (ppi). It offers a fingerprint-resistant oleophobic coating on front and back of the device as well as the corning gorilla glass.

[2] Processor

LG Optimus 4X HD is loaded with 1.5 GigaHertz Cortex-A9 Quad-core CPU and the high-speed Nvidia Tegra 3.

Apple's iPhone 4S packs 1 GigaHertz Dual-core CPU and A5 chipset. The A5 chip enables seven times faster graphics. The chip blends with the CPU and ensures the best processing. The PowerVR SGX543MP2 GPU adds support to the powerful graphics.

[3] Operating System

LG Optimus 4X HD runs on the latest Android 4.0 Ice Cream Sandwich operating system.

In contrast, iPhone 4S runs on iOS 5.0 which is upgradable to iOS 5.1.

[4] Camera

Both the devices include a rear-shooter of 8-megapixels which sports the features like autofocus, LED flash, touch focus, geo-tagging and face detection. The smartphones support full HD video recording of 1080p.

Optimus 4X HD boasts of 1.3-megapixel front-facing camera for video chat.

The iPhone 4S contains a VGA secondary camera for video calling over Wi-Fi technology.

[5] Storage

The LG Optimus 4X HD is packed with a 16 GB internal storage and 1 GB RAM. Luckily, it has a microSD card which is extendable up to 32 GB.

In comparison, the iPhone 4S has a 16/32/64 GB internal storage and a 512 MB RAM. It lacks the microSD card.

[6] Battery

The iPhone 4S contains Li-Po 1432mAh battery. It offers a stand-by time of up to 200 hours on 2G and 3G. The talk-time is of up to 14 hours on 2G and 8 hours on 3G.

The LG Optimus 4X HD is comprised of 2140mAh Li-Ion Standard battery which is powerful when compared to iPhone 4S.