Chinese Version 中文版：三星全新Exynos 7 Octa 7870 为大众手机提升品质
All consumers have premium tastes. These days, we demand more of our phones than ever. Where once they were just for calling and texting, now we expect to be able to surf social media, check emails, edit documents, play games and heaps more. All of this has to be possible within the constraints of the mobile form factor and, perhaps more importantly, its power limits. Achieving these goals without a whacking premium price tag can be a real challenge, but ARM partner Samsung Electronics has just released their latest answer to this very modern problem.
Samsung have announced a new member of its Exynos 7 Octa processor family, the Samsung Exynos 7 Octa Samsung are continuing their innovation in the mobile space by enabling more consumers to access their latest technology advancements in SoC manufacturing. The new SoC delivers a cutting edge experience to a wider audience, with strong performance and power efficiency.
These improvements in the processor will enable users to enjoy seamless HD video streaming and console quality gaming on their mobile device. The integrated modem allows for this experience to be uninterrupted while on mobile networks, increasing the reliability of download speeds.
The new chip is targeting mass market mobile devices and is expected to be widely adopted where the aim is to provide a premium experience on a budget.
It’s the first time that the advanced 14nm process has been utilised for mid-range mobile SoCs. Samsung debuted the process on the Exynos 7 Octa 7420 SoC in 2015. The new Exynos 7 Octa 7870 processor consumes over 30 percent less power than mobile SoCs built with 28nm High-k Metal Gate process technology at the same performance level.
The ARM Cortex-A53 is the first ARMv8-A high efficiency processor providing 64-bit capability while being fully compatible with the existing ARMv7-A software for 32-bit compute. In the Exynos 7870, Samsung have opted to take advantage of the high versatility and scalability of the ARM Cortex-A53 in an octa-core symmetrical multi-processor implementation, tuned to deliver a premium mobile experience in the mass market budget.
On the graphics side, the ARM Mali-T830 GPU provides an optimum blend of high area efficiency and high performance. Reducing the silicon area simultaneously reduces the cost while still supporting complex content such as 3D gaming. With an additional arithmetic pipeline than its predecessor, the Mali-T830 can handle such content at higher speeds with maximum performance and a minimal silicon area. Additional optimizations such as quad prioritization; and bandwidth saving features such as ARM Frame Buffer Compression (AFBC) and smart composition, all combine to make the Mali-T830 the perfect choice for mass market mobile.
The ARM CoreLink CCI-400 Cache Coherent Interconnect enables the intelligent allocation of processing workloads between processing clusters. In this sense, providing rapid coherent on-chip communication for the CPU and GPU enabled Samsung to optimize the system performance in the Exynos 7 Octa 7870. It does this through providing the cache coherency that allows both clusters to share the same view of memory, thus saving power and allowing more CPU resource to be used on giving the best user experience possible. The fact that CoreLink System IP is designed, validated and optimised with Cortex processors and Mali multimedia enables designers to get the optimal system performance from their SoC.
ARM CoreSight debug and trace technology was instrumental to the successful bring-up of the Exynos 7870. When designers are working on optimizations to eke out the maximum performance, there is peace of mind in knowing that CoreSight gives the best real-time trace delivering visibility onto the chip fast in order to fine tune the performance.
The Exynos 7870 also has an integrated Cat.6 modem based on Cortex-R7 for connectivity. LTE Cat.6 2CA Modem that supports 300Mbps downlink speed and FDD-TDD joint carrier aggregation for better network flexibility. The ARM Cortex-R7 is a superscalar out-of-order processor with advanced dynamic and static branch prediction. It provides a high-performance, real-time solution that makes it the perfect solution for LTE-advanced modems.
It’s exciting to see 14nm technology being made available at a reasonable price point so quickly after its debut in the market. We have all become used to searching for the latest killer app or use case that is only accessible at the leading edge. However in many ways what Samsung are doing with the Exynos 7 Octa 7870 is more powerful, as it enables a wide range of smartphone users to get increased performance from their mid-range devices. The continued partnership between ARM and Samsung enables both partners to create product offerings that satisfy customer demand in every niche in the market.