Best CPUs for Overclocking in 2026
Best CPUs for overclocking headroom and enthusiast tuning
Updated March 2026 · 37 products ranked
Quick picks
- #1Core i9-14900KS Processor95/100
- #2Core i9-14900K Processor93/100
- #3Ryzen 9 9950X Processor90/100
- #4Core i9-13900K Processor88/100
- #5Ryzen 9 9900X Processor85/100
Raptor Lake Refresh · 24C/32T · LGA 1700
$689
Fit 95/100
6.2 GHz stock, can push to 6.4+ GHz on all cores with good cooling.
Raptor Lake Refresh · 24C/32T · LGA 1700
$589
Fit 93/100
6.0 GHz stock with excellent overclocking headroom to 5.8+ GHz all-core.
Compare with #1 Core i9-14900KS Processor → →Zen 5 · 16C/32T · AM5
$599
Fit 90/100
Zen 5 unlocked multiplier with PBO2 and Curve Optimizer tuning pushes 5.8+ GHz.
Compare with #1 Core i9-14900KS Processor → →Raptor Lake · 24C/32T · LGA 1700
$589
Fit 88/100
24-core overclocking beast from Raptor Lake with proven 5.8 GHz all-core capability.
Compare with #1 Core i9-14900KS Processor → →Zen 5 · 12C/24T · AM5
$449
Fit 85/100
12 Zen 5 unlocked cores with PBO2 can push all cores to 5.6+ GHz.
Compare with #1 Core i9-14900KS Processor → →Raptor Lake Refresh · 20C/28T · LGA 1700
$409
Fit 83/100
20 unlocked cores with solid overclocking headroom on Z790 motherboards.
Compare with #1 Core i9-14900KS Processor → →Zen 5 3D V-Cache · 8C/16T · AM5
$479
Fit 80/100
V-Cache limits traditional OC but PBO2 and Curve Optimizer yield meaningful gains.
Compare with #1 Core i9-14900KS Processor → →Arrow Lake · 24C/24T · LGA 1851
$589
Fit 78/100
Arrow Lake flagship is unlocked but overclocking headroom is more limited than 14th gen.
Compare with #1 Core i9-14900KS Processor → →Zen 4 · 16C/32T · AM5
$699
Fit 77/100
16 unlocked Zen 4 cores with PBO and Curve Optimizer reach 5.7+ GHz.
Compare with #1 Core i9-14900KS Processor → →Raptor Lake Refresh · 14C/20T · LGA 1700
$319
Fit 76/100
K-series 14 cores with good OC headroom, popular for budget overclocking builds.
Compare with #1 Core i9-14900KS Processor → →Raptor Lake · 16C/24T · LGA 1700
$409
Fit 74/100
16 unlocked cores from Raptor Lake with proven overclocking community support.
Compare with #1 Core i9-14900KS Processor → →Zen 5 · 8C/16T · AM5
$349
Fit 72/100
8 Zen 5 unlocked cores with PBO2 push clocks up while maintaining efficiency.
Compare with #1 Core i9-14900KS Processor → →Zen 4 · 12C/24T · AM5
$449
Fit 70/100
12 unlocked Zen 4 cores reach 5.6 GHz with PBO and Curve Optimizer tuning.
Compare with #1 Core i9-14900KS Processor → →Raptor Lake · 14C/20T · LGA 1700
$319
Fit 68/100
14 unlocked cores from 13th gen, popular overclocker with good community guides.
Compare with #1 Core i9-14900KS Processor → →Arrow Lake · 20C/20T · LGA 1851
$394
Fit 66/100
Arrow Lake K-series is unlocked but gains are modest compared to 14th gen.
Compare with #1 Core i9-14900KS Processor → →Frequently asked questions
What is the best GPU for Overclocking in 2026?
Based on our benchmarks and analysis, the Intel Core i9-14900KS Processor is the best GPU for overclocking, with a fit score of 95/100. It offers the best combination of performance, features, and value for this workload.
How many GPUs did you test for Overclocking?
We evaluated 37 GPUs for overclocking, testing real-world performance, relevant specs like VRAM and compute power, and value for money. Our rankings are updated regularly as new GPUs launch.
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What specs matter most for Overclocking?
For overclocking, the most important specs are typically VRAM capacity, compute performance (TFLOPS), and memory bandwidth. Power efficiency may also matter depending on your setup. Our ranking weighs all these factors.