South Korean tech giant LG has launched three new smartphones in India – Optimus L3, L5 and 4X HD. The Optimus L5 and 4X HD run Android 4.0 ICS, while the Optimus L3 runs Android 2.3 operating system.The LG Optimus 4X HD, powered by quad core 1.5GHz NVIDIA Tegra processor, is a high end smartphone which offers high definition display of 720p. It sports a display size of 4.7-inch with IPS technology and Corning Gorilla Glass for scratch resistant.The LG Optimus 4X HD offers a resolution of 1280 x 720 pixels. Having a 16GB internal storage expandable via microSD card, the LG Optimus 4X HD is priced at Rs 34,990.Optimus 4X HD which aims to compete in the quad-core smartphone segment, boasts of a quad-core NVIDIA 1.5GHz Tegra 3 processor and 1GB of RAM.With a touchscreen display of 4.0-inch, the L5 is a mid range smartphone providing a resolution of 320 x 480 pixels. The phone, powered by 800MHz Cortex A5 Qualcomm Snapdragon processor, features 5 megapixel rear camera.That lack of front camera is a drawback with this phone, but it has an advantage of powerful 1500mAh battery.Priced at Rs 13,199, L5 has an 800MHz processor with 512MB of RAM.However, the L3 version features 3.2-inch QVGA display, 800MHz CPU, 384MB of RAM, 3.2 megapixel rear camera, 1500mAh battery and 1GB of on-board storage.