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|4th May 2012, 09:29||#1|
Join Date: May 2010
Samsung Galaxy S III Performance Preview: It's Fast
Earlier today Samsung unveiled its Galaxy S III, at the heart of which is Samsung's new Exynos 4 Quad SoC. Fortunately we got a ton of hands on time with the device at Samsung's unpacked event in London and are able to bring you a full performance preview of the new flagship, due to be shipping in Europe on May 29th.
The Exynos 4 Quad is an obvious evolution of the dual-core Exynos in many of the Galaxy S II devices. Built on Samsung's 32nm high-k + metal gate LP process, the new Exynos integrates four ARM Cortex A9s running at up to 1.4GHz (200MHz minimum clock). Each core can be power gated individually to prevent the extra cores from being a power burden in normal usage. Each core also operates on its own voltage and frequency plane, taking a page from Qualcomm's philosophies on clocking. There is no fifth companion core, but the assumption is Samsung's 32nm HK+MG LP process should have good enough leakage characteristics to reduce the need for such a design.
The GPU is still ARM's Mali-400/MP4, however we're not sure of its clocks. Similar to the dual-core Exynos, there's a dual-channel LPDDR2 memory controller that feeds the entire SoC. The combination should result in performance competitive with NVIDIA's Tegra 3 (and a bit higher in memory bandwidth limited scenarios), but potentially at lower power levels thanks to Samsung's 32nm process.
While we won't know much about the power side of things until we get a review device in hand, we can look at its performance today.
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