ARM64 and x64 are two major 64-bit processor architectures used in modern computers, servers, cloud platforms, and hosting environments. Both can run operating systems, applications, databases, web servers, development tools, and cloud workloads, but they are designed with different priorities.

ARM64 is known for power efficiency and is widely used in mobile devices, Apple Silicon systems, cloud servers, and energy-efficient computing environments. x64, used by Intel and AMD processors, remains the standard choice for desktops, laptops, traditional servers, VPS hosting, enterprise applications, and legacy software.

The main difference is not simply which architecture is faster. The better choice depends on performance needs, software compatibility, power usage, operating system support, and the type of workload you want to run. For users choosing a VPS, server, or cloud platform, understanding ARM64 vs x64 helps avoid compatibility issues and select the right environment for long-term use.

What is ARM64?

ARM64, also known as AArch64, is the 64-bit version of the ARM processor architecture. It is designed to deliver modern computing performance while maintaining efficient resource utilization. ARM64 is widely used in mobile devices, cloud infrastructure, modern laptops, and ARM-based server environments.

Key Characteristics of ARM64

✓ 64-bit version of the ARM architecture

✓ Designed for efficient processing and lower power consumption

✓ Used in smartphones, tablets, embedded systems, and cloud servers

✓ Powers Apple Silicon Macs and various ARM-based computing platforms

✓ Suitable for Linux servers, APIs, containers, and cloud-native applications

✓ Supports modern operating systems, databases, web servers, and development tools

✓ Growing adoption in VPS hosting and cloud infrastructure

✓ Works well for microservices and containerized workloads

✓ Requires software, applications, and container images to support ARM64 architecture

✓ Best suited for workloads that have verified ARM64 compatibility

What is x64?

x64 is the 64-bit version of the x86 processor architecture and is the standard architecture used by modern Intel and AMD processors. It has been the dominant platform for desktops, laptops, workstations, servers, and hosting environments for years, making it one of the most widely supported computing architectures available today.

Key Characteristics of x64

✓ 64-bit extension of the x86 processor architecture

✓ Used by modern Intel and AMD processors

✓ Standard architecture for desktops, laptops, workstations, and servers

✓ Widely used across VPS hosting, dedicated servers, and cloud environments

✓ Supports Windows, Linux, BSD, and other operating systems

✓ Compatible with a broad range of software, applications, and development tools

✓ Works with most hosting control panels, databases, and server management platforms

✓ Strong support for enterprise applications and commercial software

✓ Suitable for virtualization, web hosting, databases, business applications, and development environments

✓ Usually the preferred choice when maximum software compatibility is required 

ARM64 vs x64: Quick Comparison

Quick Recommendation

Core Architecture Difference

ARM64 and x64 are built on different processor architectures, which affects how they execute instructions and interact with hardware. While both can run modern operating systems, applications, and server workloads, they were designed with different architectural approaches.

Key Differences

✓ ARM64 uses the ARM 64-bit architecture

✓ x64 uses the x86 64-bit architecture

✓ ARM64 and x64 process instructions using different architectural designs

✓ Software must be compiled or packaged for the architecture it is intended to run on

✓ Applications built for one architecture may require a compatible version for the other

✓ Hardware platforms are designed specifically for their respective architectures

✓ Both architectures support modern operating systems, virtualization, and server environments

✓ Modern processors from both architectures are capable of handling demanding workloads

What This Means for Users

The architectural difference primarily affects software compatibility, operating system availability, and hardware ecosystem support. For most users, the more important consideration is whether their applications and workloads are supported on the chosen architecture.

Performance Difference

There is no universal performance winner between ARM64 and x64. Performance depends on the processor generation, workload type, operating system, software optimization, and available hardware resources. Modern processors from both architectures are capable of delivering excellent performance for everyday computing, servers, cloud workloads, and business applications.

Performance Considerations

✓ Performance depends more on the specific processor than the architecture alone

✓ ARM64 can deliver excellent performance when applications are optimized for ARM

✓ x64 performs very well across a wide range of traditional software and server workloads

✓ Single-core and multi-core performance can vary significantly between processor generations

✓ Application optimization plays a major role in real-world performance

✓ Linux workloads can perform well on both ARM64 and x64 platforms

✓ Enterprise applications are commonly optimized for x64 environments

✓ Cloud-native applications and microservices can run efficiently on ARM64 systems

✓ Virtualization, databases, APIs, and web hosting workloads can perform well on either architecture

✓ Real-world results should be measured using the workload you actually plan to run

What This Means for Users

When evaluating performance, focus on the processor model, available CPU cores, RAM, storage, and software compatibility rather than choosing based solely on ARM64 or x64. The best-performing platform is usually the one that is optimized for your specific workload.

Power Efficiency and Resource Usage

Power efficiency is one of the most recognized strengths of ARM64 architecture. ARM64 processors are designed to deliver strong computing performance while using less power, making them attractive for cloud infrastructure, mobile devices, energy-conscious deployments, and large-scale computing environments.

Power Efficiency Considerations

✓ ARM64 is known for delivering strong performance with lower power consumption

✓ Better performance-per-watt can improve infrastructure efficiency

✓ Lower power requirements can benefit large-scale cloud and data center deployments

✓ ARM64 is widely used in mobile devices, edge computing, and energy-efficient systems

✓ x64 processors can require more power depending on processor generation, workload, and hardware configuration

✓ Power consumption varies based on CPU utilization, software optimization, and system design

✓ Always-running services may benefit from efficient resource utilization

✓ Large cloud platforms increasingly use ARM-based infrastructure for efficiency-focused workloads

✓ Energy efficiency can contribute to lower operational costs in large environments

✓ Resource efficiency becomes more important as workload scale increases

What This Means for Users

For large-scale deployments, cloud platforms, and continuously running services, power efficiency can be an important factor when selecting infrastructure. However, for a typical VPS user, software compatibility, application support, operating system availability, and workload requirements are usually more important considerations than power consumption alone.

Software Compatibility

Software compatibility is one of the most important factors when choosing between ARM64 and x64. While both architectures support modern operating systems and applications, x64 continues to offer the broadest compatibility across commercial software, hosting platforms, enterprise tools, and legacy applications.

Software Compatibility Considerations

✓ x64 provides the widest software compatibility across desktops, servers, and hosting environments

✓ Most commercial applications are developed and tested on x64 first

✓ Enterprise software typically has stronger support for x64 platforms

✓ Most hosting control panels are designed with x64 compatibility in mind

✓ Legacy applications are more likely to work on x64 without modification

✓ ARM64 compatibility continues to improve across Linux distributions and open-source software

✓ Modern development tools, programming languages, and frameworks increasingly support ARM64

✓ Cloud-native applications and containerized workloads frequently support ARM64

✓ Some precompiled binaries, proprietary software, drivers, and older applications may not be available for ARM64

✓ Application support should always be verified before deploying workloads on ARM64 infrastructure

What This Means for Users

If maximum compatibility is your priority, x64 remains the safest choice. It supports a larger software ecosystem and reduces the likelihood of application or deployment limitations. ARM64 can be an excellent option when your operating system, applications, control panels, and workload components are fully compatible with the ARM architecture.

Operating System Support

Both ARM64 and x64 support modern operating systems, but the range of available editions, server images, and platform support can vary depending on the architecture. Before choosing a server, VPS, or cloud instance, it is important to confirm that your preferred operating system is available for the selected architecture.

Operating System Support Considerations

✓ Linux distributions are widely available on both ARM64 and x64 platforms

✓ Ubuntu, Debian, AlmaLinux, Rocky Linux, Fedora, and other major Linux distributions support both architectures

✓ x64 has the broadest support for Windows Server deployments

✓ Desktop versions of Windows are primarily used on x64-based systems

✓ ARM64 supports ARM-compatible Linux distributions and selected Windows ARM editions

✓ Most VPS, dedicated server, and cloud providers offer a larger selection of x64 operating system images

✓ Some operating system templates, custom ISOs, and recovery environments may only be available on x64

✓ Server control panels and management platforms may offer stronger support on x64 environments

✓ Operating system availability can vary between hosting providers and cloud platforms

✓ The selected operating system should match application requirements and workload compatibility

What This Means for Users

For Linux-based workloads, both ARM64 and x64 provide excellent operating system support. If you require Windows Server, specialized operating system images, or the widest platform compatibility, x64 is usually the more flexible option. Always verify operating system availability and software requirements before selecting an architecture.

ARM64 vs x64 for VPS Hosting

When choosing a VPS, the most important consideration is whether your operating system, applications, control panels, and workloads support the selected architecture. Both ARM64 and x64 can run websites, databases, APIs, and business applications, but they serve different hosting requirements.

ARM64 VPS May Be Suitable For

✓ Linux-based hosting environments

✓ APIs and backend services

✓ Containerized applications

✓ Microservices and cloud-native workloads

✓ Development and testing environments

✓ Workloads that have verified ARM64 support

x64 VPS May Be Suitable For

✓ Windows VPS hosting

✓ cPanel, Plesk, and DirectAdmin environments

✓ Traditional web hosting

✓ Enterprise applications

✓ Legacy software and scripts

✓ Maximum software compatibility

What This Means for Hosting Users

✓ Choose ARM64 when your entire software stack supports ARM architecture

✓ Choose x64 when compatibility and deployment flexibility are the priority

✓ Verify operating system, control panel, database, and application support before selecting ARM64

✓ For general-purpose VPS hosting, x64 remains the most widely supported option

ARM64 vs x64 for Docker and Containers

Docker supports both ARM64 and x64 architectures, allowing developers to deploy containerized applications across a wide range of server and cloud environments. Modern container platforms increasingly support multi-architecture deployments, but image compatibility should still be verified before production deployment.

Docker and Container Considerations

✓ Docker is supported on both ARM64 and x64 systems

✓ Many modern container images are available for both architectures

✓ Multi-architecture images can run on ARM64 and x64 without separate deployments

✓ ARM64 is suitable for containerized applications, APIs, and microservices

✓ Kubernetes and container orchestration platforms support both architectures

✓ Some container images and precompiled binaries may only be available for x64

✓ Proprietary software containers may have stronger x64 support

✓ Existing container stacks should be checked for architecture compatibility before migration

What This Means for Developers

✓ Choose ARM64 when your container images and dependencies support ARM architecture

✓ Choose x64 when maximum image compatibility is required

✓ Verify application images, plugins, extensions, and third-party containers before deployment

✓ For most modern containerized applications, both ARM64 and x64 can be viable options

ARM64 vs x64 for Cloud and Server Workloads

Both ARM64 and x64 are widely used across modern cloud and server infrastructure. Cloud providers now offer both architectures, allowing organizations to select resources based on workload requirements, scalability goals, operational preferences, and cost considerations.

Cloud and Server Workload Considerations

✓ ARM64 adoption continues to grow across cloud platforms and hyperscale environments

✓ ARM64 can provide cost-efficient computing for supported Linux-based workloads

✓ ARM64 is well suited for scalable and distributed cloud environments

✓ ARM64 is increasingly used for modern cloud infrastructure deployments

✓ x64 remains the standard architecture across traditional server environments

✓ x64 has a mature ecosystem across enterprise infrastructure and business workloads

✓ Many organizations continue to standardize on x64 for operational consistency

✓ Both architectures support databases, web servers, virtualization platforms, and business applications

✓ Cloud providers offer increasing flexibility to deploy workloads on either architecture

✓ Infrastructure planning should focus on workload requirements rather than architecture trends

What This Means for Organizations

✓ Choose ARM64 when your workloads are optimized for ARM and efficiency is an important consideration

✓ Choose x64 when consistency, operational familiarity, and broad platform support are priorities

✓ Evaluate architecture choices based on application requirements, scaling strategy, and long-term infrastructure planning

✓ Both ARM64 and x64 can be effective choices when matched to the appropriate workload

Which One Should You Choose?

The right choice depends on the operating system, applications, and workloads you plan to run. Neither ARM64 nor x64 is universally better for every situation.

Choose ARM64 If You Need:

✓ Better power efficiency and performance per watt

✓ Linux-based cloud workloads

✓ APIs, microservices, and containerized applications

✓ Modern cloud-native deployments

✓ ARM-compatible software and development environments

✓ Scalable workloads optimized for ARM architecture

Choose x64 If You Need:

✓ Maximum software compatibility

✓ Windows VPS or Windows Server environments

✓ cPanel, Plesk, DirectAdmin, or traditional hosting platforms

✓ Enterprise software and commercial applications

✓ Legacy applications and older software

✓ The widest choice of operating systems, tools, and server images

If you are unsure which architecture to choose, x64 is usually the safer option because it offers the broadest software compatibility and the fewest deployment limitations. ARM64 can be an excellent choice when your operating system, applications, and workload stack are fully compatible with the ARM architecture.