Samsung FinFET Exynos 8 has custom cores
The company announced its first 14nm FinFET processor, the Exynos 7 octa-core 7420 back in February 2015 although the device had been shown at the previous year’s ARM Tech conference. This is the processor that appeared in the Samsung Galaxy 6 smartphone.
Samsung did not indicate what mobile phone the Exynos 8 is destined to power.
The Exynos 8890 is similar to its predecessor in that it is a 64bit ARMv8 architecture device but has altered the processing line up with four custom processor cores and four Cortex-A53s in a "big-little" processing arrangement.
Samsung claims this provides a 30 percent improvement in performance and 10 percent in power efficiency compared to the Exynos 7 Octa, which included four Cortex-57s alongside the four Cortex-A53s. Indeed Samsung is claiming the Exynos 8 offers the highest performance and power efficiency across its class of application processor.
The processor has also been upgraded in the communications modem department with the inclusion of an LTE Rel.12 Cat.12/13 modem. The Exynos 8 Octa is Samsung’s first one-chip solution for premium smartphones. The LTE Rel.12 Cat.12/13 modem enables a maximum download speed of up to 600Mbps (Cat.12) and upload speed of up to 150Mbps (Cat.13) with carrier aggregation.
For graphics processing the Exynos 8 includes ARM’s Mali-T880 GPU. Samsung said it plans to begin mass production of the Exynos 8 Octa in late 2015.
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