Samsung announced the Galaxy Nexus, the world's first smartphone running on Android 4.0 (Ice Cream Sandwich) in October. Meanwhile, Samsung's long awaited next-gem successor to the best selling Galaxy S2 is expected to be launched at an event in London, on 3 May.

Check out how the two smartphones stack up

Display: The Samsung Galaxy Nexus features a 4.65in Super AMOLED Contour display with a resolution of 720 x 1,280 pixels. Samsung claims the Galaxy Nexus is the first smartphone to feature a 4.65in display. The Samsung Galaxy S3 will have a 4.8in Super AMOLED display, according to a leaked service manual obtained by Sammobile. Earlier reports suggest the smartphone will feature a 4.6in display with a resolution of 720 x 1184 pixels. It is expected to feature a physical home button and five column user interface.

Dimension: The Galaxy Nexus measures 5.33x2.67x0.35inches and weighs 135g. An earlier IBTimes UK report suggests the Galaxy S3 will be thinner and slightly heavier than the S2.

Operating system: Both phones will run on Android 4.0 (Ice Cream Sandwich).

Processor: The Galaxy Nexus is powered by a 1.2GHz dual-core Cortex-A9 processor with a TI OMAP 4460 chipset and the smartphone packs 1GB of RAM. Samsung has confirmed its next Galaxy device will be powered by a 1.4 GHz Exynos 4 quad-core processor. The Exynos 4 quad-core has twice the processing capabilities of the 45nm process based Exynos 4 Dual and the processor consumes 20 per cent less power. The US variant of the Galaxy S3 could pack Qualcomm's dual-core Snapdragon S4 processor. However, a leaked service manual states the Galaxy S3 will be powered by a 1.5GHz quad-core CPU. Either way, the Galaxy S3 will house 1GB of RAM.

Camera: The Galaxy Nexus features a five megapixel primary camera with auto-focus and LED flash. The camera can capture videos in 1080p at 30 frames per second. There is a 1.3 megapixel front-facing camera. The Galaxy S3 will sport a primary camera of eight megapixels with auto-focus LED flash technology and the camera should be capable of capturing videos at 1080p.

Connectivity: The Galaxy Nexus supports Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi hotspot and Bluetooth version 3.0 with A2DP. The Galaxy S3 will offer Wi-Fi 802.11 b/g/n and Bluetooth version 4.0 and it will also support data speed up to HSPA+21Mbps and HSUPA 5.76Mbps.

Storage: The Galaxy Nexus offers internal storage options of 16GB and 32GB with a microSD card. The Samsung Galaxy S3 will offer internal memory capacity of 16GB and can also support a microSD

Battery: The Galaxy Nexus is powered by a 1750mAh battery. The Galaxy S3 will carry a 2050mAh battery.