In 2025, which CPUs are the best for upgrading or replacing?

Best CPUs for Upgrading or Replacing in 2025

Is your PC running slow? Does it take too long to start up? Are you experiencing lag when running applications? If your computer struggles to handle multiple programs or large files, it may be time for a CPU upgrade.

Our professional technicians can upgrade or replace your PC’s CPU to boost performance, effectively giving your computer a “brain upgrade.” We provide computer upgrade services for both PCs and Macs, helping you achieve faster speeds and better overall efficiency.

Choosing the Right CPU for 2025

Whether you’re upgrading an existing system or building a new PC, choosing the right processor is the most crucial decision. Your CPU determines the motherboard compatibility, RAM speed, and overall system performance.

After extensive benchmark testing, CPU reviews, and performance evaluations, we’ve compiled a list of the best processors for gaming, productivity, and general use in 2025.

List of Best Intel CPUs

• Intel Core i9-14900K, ASUS Z790 Gaming WiFi7, G.Skill Ripjaws S5 32GB DDR5 6000 Kit (Price $599.99)
• Intel Core i9-12900K, ASUS Z790-Plus TUF Gaming WiFi D5, G.Skill Ripjaws S5 32GB Kit DDR5 6000 (Price $449.99)
• Intel Core i9-14900K, ASUS Z790-Plus TUF Gaming WiFi D5, G.Skill Ripjaws S5 32GB DDR5 6000 Kit (Price $649.99)
• Intel Core i7-12700K, MSI Z790-P Pro WiFi DDR4, Crucial 16GB DDR4-3200 Kit (Price $279.99)
• Intel Core i7-14700K, ASUS Z790-Plus TUF Gaming WiFi D5, G.Skill Ripjaws S5 32GB Kit DDR5 6000 (Price $549.99)
• Intel Core i7-14700K, ASUS Z790 Gaming WiFi7, G.Skill Ripjaws S5 32GB Kit DDR5 6000 (Price $499.99)
• Intel Core i9-12900K, ASUS Z790-Plus TUF Gaming WiFi D5, G.Skill Ripjaws S5 32GB Kit DDR5 6000 (Price $569.97)
• Intel Core i9-12900K, ASUS Z790-V Prime AX DDR5, G.Skill Ripjaws S5 32GB Kit DDR5 6000 (Price $399.99)

List of Best AMD CPUs

• AMD Ryzen Threadripper PRO 7965WX Storm Peak 4.2GHz 24-Core sTR5 Boxed Processor (Price $2499.99)
• AMD Ryzen Threadripper PRO 7985WX Storm Peak 3.2GHz 64-Core sTR5 Boxed Processor (Price $7249.99)
• AMD Ryzen Threadripper PRO 7975WX Storm Peak 4.0GHz 32-Core sTR5 Boxed Processor (Price $3699.99)
• AMD Ryzen Threadripper PRO 7995WX Storm Peak 2.5GHz 96-Core sTR5 Boxed Processor (Price $9699.99)
• AMD Ryzen Threadripper 7980X Storm Peak 3.2GHz 64-Core sTR5 Boxed Processor (Price $4699.99)
• AMD Ryzen Threadripper PRO 5965WX Chagall PRO 3.8GHz 24-Core sWRX8 Boxed Processor (Price $1899.99)

Finding the Best CPU for Your Needs

Your processor is the most important component of your computer. When selecting a CPU for gaming or work, it’s essential to balance performance, features, and budget.

Our expert guide will help you find the best CPU to match your needs—whether you’re looking for high-speed gaming, professional workloads, or a cost-effective upgrade.