Sure, the Galaxy Note 4 might be doing pretty well in terms of sales (at least in some places), but that doesn't mean Samsung isn't already working on its next top of the line device. As you may have guessed, we're talking about the successor to the Galaxy S5 (pictured to the left).
The Galaxy S6 apparently has the codename Project Zero, and some unnamed "insiders" have allegedly come forward and shared a few of its specs.
The screen resolution will be QHD (2,560x1,440), just like that of the Note 4, which is hardly a surprise. The exact display size is still a mystery, though, possibly because Samsung execs haven't yet decided on it.
The rear camera will apparently be borrowed from the Galaxy Note 4 too, thus being a Sony-made IMX240. What's still up for debate over at Samsung HQ is whether to go for a 16 MP module or a 20 MP one. In either case, hopefully it will come with optical image stabilization.
The selfie snapper at the front will be bumped to 5 MP, matching the sensors in the recently unveiled Galaxy A series. Storage-wise, Samsung seems ready to move to 32GB as the new base level - so no more 16GB model. Handsets with 64 or 128GB of built-in storage will also be offered, and we assume the microSD expansion will stick around too.
In terms of chipset, the Galaxy S6 will be powered by an Exynos 7420, which is on track to be the company's first SoC with active 64-bit support. The Exynos 5433 in the Galaxy Note 4 is also technically 64-bit, but Samsung has only enabled 32-bit support for it until now. That might have something to do with the fact that Android will only work with 64-bit chipsets starting with version 5.0 (Lollipop).
Anyway, the Exynos 7420 should sport four Cortex-A57 cores and four Cortex-A53. It will get a new in-house developed modem, the Exynos Modem 333 (model SS333). This will replace the Intel modem found in older Exynos chips. Broadcom's BCM4773 will be inside too, and this combines Wi-Fi, Bluetooth, and GPS on the same chip, allowing for lower power consumption compared to devices on the market today.
The Galaxy S6 will also have a version powered by a Qualcomm SoC, as has been the tradition for many years now. The part used will be the Snapdragon 810, Qualcomm's first 64-bit high-end chipset.
Finally, we have the S6's model number to speak of. This will be SM-G920 or SM-G925, depending on carrier and local version. Since all of this comes from one source, don't forget your grain of salt. Now that the floodgates (of Galaxy S6-related rumors and leaks) have opened, we're sure we'll find out more pretty soon.