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Smartphone processors
1.
2. ARM vs X86
Complex Instruction Set ComputingReduced instruction Set Computing
3. Cont. ARM vs X86
CISC (x86) RISC(ARM)
Emphasis on hardware Emphasis on software
complex instructions
reduced instruction only
Small code sizes large code sizes
Transistors used for storing
complex instructions
Spends more transistors
on memory registers
High Power and space Low Power and space
6. TEE
• ARM
– The family of TrustZone technologies can be
integrated into below cores of ARM :
• Cortex-A profile
• ARMv8-M (For Cortex-M Profile)
• Intel
– Intel SGX (Software Guard Extensions), A trusted
execution environment
• Mobile Skylake CPUs in 2015 (Skylake)
– Intel’s new smartphone strategy is to quit (2016)
14. Exynos
• In 2010, Samsung launched Exynos 3 in
its Samsung Galaxy S mobile phone, which
featured a licensed ARM Cortex-A CPU.
Exynos
ARMv7
Cortex A7 Cortex A8 Cortex A9 Cortex A15 …
ARMv8
Cortex 32 … cORTEX73
24. Intel ATOM SOC
• Atom is a system on chip (SoC) platform
designed for smartphones and tablet
computers, launched by Intel in 2012.
Atom
Atom
Z2460
2012
….
Atom x7-
Z8700
2016