AWS Graviton vs ARM vs x86 CPUs – Key Architecture Differences

AWS Graviton vs ARM vs x86 CPUs – Key Architecture Differences

AWS Graviton processors utilize Arm’s power-efficient CPU architecture but customize it for cloud workloads. In contrast, Intel x86 architecture powers most on-premise servers today. Understanding their differing designs helps clarify Graviton’s advantages:



Decoding x86 Complex DNA


Intrinsically designed for PCs, complex x86 instruction set aims maximize compute density per integrated circuit. Supporting legacy features like multiple operating modes bloats transistor budget. Real-world performance depends heavily on advanced branch prediction and out-of-order execution logic.



ARM’s Simplified Efficiency


Originally developed for embedded devices, stripped-down RISC architecture allows ARM cores to clock faster while consuming less power. With fewer logic stages per pipeline, ARM chips can execute most instructions in single clock cycles without costly optimizations.



Graviton: Best of Both Worlds


Graviton combines ARM’s power-smart design with custom enhancements for data center workloads:


– Up to 64 Neoverse N1 cores optimized for throughput

– Larger caches improve performance for server apps

– Additional math processing units accelerate floating point

– Designed for scale-out parallelism across cores

Learn more here.



Real-World Implications


Graviton’s simplified design translates into tangible metrics improvements:


– Up to 40% better price/performance via higher efficiency

– Lower power consumption and heat dissipation

– Consistent low-latency response times

– Ability to consolidate more workloads per server


By morphing a mobile-centric architecture for cloud infrastructure needs, AWS Graviton delivers game-changing efficiency – allowing smaller teams to tap into enterprise-class capabilities.

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