Architectural Decision Guide

VPS vs Shared Hosting: Complete Technical Comparison

Detailed breakdown of resource isolation, performance, security, and scalability between KVM VPS and Shared Hosting.

Executive Architecture Summary

Shared hosting is best for personal websites and early-stage blogs with low traffic. KVM VPS is mandatory for production web applications, SaaS platforms, and eCommerce stores that require dedicated CPU/RAM, isolated security, and full root access.

Feature Specification	Shared Hosting Starting from ₹119/mo	KVM NVMe VPS Starting from ₹499/mo
Compute Allocation Whether compute threads are shared or reserved exclusively.	Shared CPU pool with neighbors	100% Dedicated vCPU threads
Memory (RAM) Protection against out-of-memory errors from neighboring tenants.	Shared memory limits	Guaranteed Dedicated ECC RAM
Storage Technology Disk I/O and database performance under peak concurrency.	Shared NVMe / SSD	Dedicated PCIe Gen4 NVMe slice
Root / SSH Access Unrestricted administrative control over operating system and packages.
Dedicated IPv4 Independent IP reputation for email deliverability and SSL.	Shared IP (Dedicated optional)	1 Dedicated Clean Static IP
Custom Software Runtimes Ability to compile and run any server runtime.	Predefined PHP/Node versions	Any Docker, Python, Java, Go runtime
Security Isolation Defense against neighboring tenant vulnerabilities.	Directory-level isolation	Hypervisor KVM hardware isolation
Recommended Action

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