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What is ARM64 and AArch64?
ARM64 and AArch64 are both terms used to describe the 64-bit architecture developed by ARM Holdings, a British semiconductor and software design company. ARM architecture is widely used in a variety of electronic devices, including smartphones, tablets, and embedded systems.
Features of ARM64 Architecture
ARM64 architecture, also known as ARMv8-A, brings several improvements over the previous 32-bit ARM architecture. Some key features of ARM64 include:
1. 64-bit Addressing: ARM64 supports a larger addressable memory space, enabling devices to access and utilize larger amounts of RAM.
2. Increased Performance: ARM64 offers enhanced performance by introducing new instructions and features such as improved SIMD (Single Instruction, Multiple Data) capabilities.
3. Advanced Security: ARM64 architecture includes hardware-enforced security features like TrustZone, which helps protect sensitive data and enhance system security.
4. Better Energy Efficiency: ARM64 processors are designed to provide improved energy efficiency, delivering higher performance while consuming less power.
Supported Devices
ARM64 architecture is now widely used in various devices. Some of the devices that support ARM64 include:
1. Smartphones and Tablets: Many modern smartphones and tablets are equipped with ARM64-based processors, offering improved performance and efficiency for running demanding applications and games.
2. Single Board Computers (SBCs): ARM64 is commonly found in single board computers such as the Raspberry Pi 3 and 4, offering developers a cost-effective platform for various projects.
3. Cloud Servers: ARM64 architecture has gained popularity in the cloud computing industry due to its energy efficiency and cost-effective nature. Many cloud service providers now offer ARM64-based server instances.
4. IoT Devices: ARM64 is also widely used in Internet of Things (IoT) devices, where power efficiency and performance are crucial for devices with limited resources.
Overall, ARM64 and AArch64 architecture have revolutionized the ARM ecosystem, providing enhanced performance, security, and energy efficiency across a range of devices. As the adoption of ARM64 architecture continues to grow, we can expect even more powerful and feature-rich ARM-based devices in the future.
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