The Chinese handset maker's latest Android smartphone features a large dose of processor power and an ultra-thin bezel.
This eight-core mobile from UK-based underdog Kazam also offers a 720p resolution and an 8-megapixel camera. We go hands-on
Miami-based Yezz is taking on the likes of Samsung with three new mobiles, an octa-core powerhouse, an LTE offering and the cleverly designed AZ4.5, for the senior market.
Rumors for a new phone BlackBerry's working on include a super-charged processor and a debut a year away.
The so-called Honor 4 is expected to feature MediaTek's octa-core processor.
Australia, the US and the UK all got the quad-core S4, but is the difference between it and the octa-core really that big?
Reported benchmark scores peg the eight-core Samsung Galaxy S4 as much speedier than the variant we'll be getting here in the UK.
Samsung has confirmed that the UK's Galaxy S4 will have a quad-core chip, not the 8-core affair some countries will get.
Samsung could be behind the next Google-branded tablet, fresh rumours suggest.
The 4G variant will have a quad-core processor, while the regular 3G option will have Samsung's octa-core chip, the leak suggests.