AIDA64 vs Prime95

AIDA648.7Visit PPrime958.0Visit

Higher score AIDA64 #3 in PC Stress Testing Tools 8.7/10 30-day trial Free trial✓ 0 of 5 features Visit AIDA64

vs

P Prime95 #7 in PC Stress Testing Tools 8.0/10 Free plan Free plan✓ 0 of 5 features Visit Prime95

• AIDA64 fits best

  Stress testing with extensive sensor monitoring

• Prime95 fits best

  Established CPU and cache stability testing

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Side by side

Feature	AIDA64 8.7/10 Visit ↗	PPrime95 8.0/10 Visit ↗
At a glance
Editor score	8.7	8.0
Ranking	#3 in PC Stress Testing Tools	#7 in PC Stress Testing Tools
Best for	Stress testing with extensive sensor monitoring	Established CPU and cache stability testing
Pricing model	Paid	Free
Starting price	—	Free plan
Free plan	—	✓ (best)
Free trial	30 days	—
Deployment	Desktop, Mobile	Desktop
Platforms	Windows, Android, iOS	Windows, macOS, Linux
Support	Email	Community, Docs
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market
Features AIDA64 0/5 · Prime95 0/5
CPU stress testing	Not checked yet	Not checked yet
GPU stress testing	Not checked yet	Not checked yet
Memory stress testing	Not checked yet	Not checked yet
Combined system workload	Not checked yet	Not checked yet
Error detection	Not checked yet	Not checked yet
Specs
Platform support	Not checked yet	Not checked yet
Our review
Pros	Live readings cover temperature, voltage, fan speed and power draw Stability stress testing sits alongside diagnostics and benchmarking Business adds remote monitoring, control and network inventory	Runs high-load torture tests across multiple CPU cores Tests CPU and L1, L2, and L3 cache stability Free on Windows, macOS, and Linux
Cons	Editions differ, so buyers need to match tools to the right product Remote monitoring and control are limited to AIDA64 Business The listed purchase prices have no stated billing interval	Does not cover GPU or storage stress testing Focuses on CPU and cache workloads rather than broad component testing Support is through community resources and documentation
Our verdict	AIDA64 is a system-information and diagnostics suite for PC enthusiasts, technicians and businesses that need benchmarking, stability stress testing and hardware monitoring. Its sensor readings include temperature, voltage, fan speed and… Read the review →	Prime95 is free desktop software for computer stability testing and participation in distributed Mersenne-prime searches. It suits people who want to put sustained load on a CPU, check cache stability, or run primality and factoring… Read the review →

Strengths and trade-offs

• AIDA64 — where it wins

  • Live readings cover temperature, voltage, fan speed and power draw
  • Stability stress testing sits alongside diagnostics and benchmarking
  • Business adds remote monitoring, control and network inventory

  Where it doesn't

  • Editions differ, so buyers need to match tools to the right product
  • Remote monitoring and control are limited to AIDA64 Business
  • The listed purchase prices have no stated billing interval

• Prime95 — where it wins

  • Runs high-load torture tests across multiple CPU cores
  • Tests CPU and L1, L2, and L3 cache stability
  • Free on Windows, macOS, and Linux

  Where it doesn't

  • Does not cover GPU or storage stress testing
  • Focuses on CPU and cache workloads rather than broad component testing
  • Support is through community resources and documentation

• AIDA648.7/10 · 30-day trial

  AIDA64 pairs PC stress testing with detailed sensor monitoring and business network tools.

  Visit AIDA64Full verdict →
• PPrime958.0/10 · Free plan

  A focused, free option for CPU and cache stability testing across Windows, macOS, and Linux.

  Visit Prime95Full verdict →