World smartphone leader Samsung is reportedly planning to launch the next generation flagship phone Galaxy S5, along with a brand new Galaxy F series line of metal-clad smartphones, early this year.

Initial rumours of the Galaxy F surfaced online in September but the speculation had met a quick death as we did not hear much about it thereafter, until now.

Korean media house ET News, citing industry sources, claims Samsung developed the metal-clad Galaxy F prototype in Europe last month and has moved it to the company's new plant in Vietnam, probably for mass production.

Though there is no tangible evidence to testify the report, many believe the mystery Samsung device SM-G900F - which was previously thought as the variant of the Galaxy S5 - may actually turn out be the new Galaxy F.

Antutu benchmarking website had revealed that SM-G900F (now called as Galaxy F) would feature a full HD (1920x1080p) display, Snapdragon chipset (MSM8974AC) with 2.45GHz CPU speed, Android v4.4 KitKat OS, 3GB RAM, 32GB inbuilt memory, 16.0 megapixel main camera and 2.0-megapixel front camera.

On the other hand, Galaxy S5, which has reportedly gone into production already, will also boast a metal shell and feature bigger display - 5.25-inch QHD (aka 2K) 2560x1440p resolution display with 560 ppi (pixels per inch), KitKat OS, 64-bit architecture based Exynos Octa-Core processor, 4GB RAM, 16-megapixel main camera with ISOCELL technology, 2.1-megapixel front camera and biometric technology (either Iris or finger print scanner) for screen un-locking.

Both Galaxy F and Galaxy S5 are expected to make their debut around same time: around March or at least by the end of April.