Last Updated & Fact Checked: March 21, 2026
Are you trying to decide between the Intel Core i5-2500K and the Intel Core i5-6600K?
Product Versus will provide you with all the product details so you can quickly compare the facts to find which product is right for you – the Intel Core i5-2500K or the Intel Core i5-6600K – and find out exactly what the differences are.
Both the Intel Core i5-2500K and the Intel Core i5-6600K are quality products, so read on to find out which one is best for your needs!
Intel Core i5-2500K quick facts
Intel Core i5-6600K quick facts
Intel Core i5-2500K product details
Bestseller No. 1
Intel BX80623I52500K I5-2500K 3.30 GHZ 6M Turbo OVERCLOCK
- One decent computer desktop work perfectly: including intel i5 2500K CPU, Asus P8P67-M pro motherboard 8G(2*4G) Corsair Ram +Maxtor 300G hard driver and a corsair CX600 80plus PSU and an ATX case EVGA 550TI graphics card
- Workly perfectly.
Bestseller No. 2
Intel Core i5-2500 Quad-Core Processor 3.3 GHz 6 MB Cache LGA 1155 - BX80623I52500 (Renewed)
- This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com
- All Core i5 processors have Intel Turbo Boost Technology
- 6 MB Intel Smart Cache is dynamically shared to each processor core, based on workload
- Quad-core processor delivers four-way multicore processing via parallelism resulting in more efficient use of processor
- Specs: Quad-core 3.3 GHz, 6M Cache, Intel HD Graphics 2000, 95 watt TDP, Dual-channel DDR3 memory support, socket LGA1155
Bestseller No. 3
Intel Core i5-4690K Processor 3.5 LGA 1150 BX80646I54690K
- 4 cores, 4 threads
- Intel HD Graphics 4600 (1200 MHz)
- Intel Turbo Boost Technology 2.0
- Dynamic Acceleration/Turbo Boost
- 6MB Intel Smart Cache
Intel Core i5-6600K product details
Bestseller No. 1
Intel Core i5-6600K Skylake LGA 1151, BX80662I56600K
- Brand New in box. The product ships with all relevant accessories
Bestseller No. 2
Intel Core i5 6600K 3.50 GHz Quad Core Skylake Desktop Processor, Socket LGA 1151, 6MB Cache (BX80662I56600K) (Renewed)
- LGA 1151
- Unlocked Processor
- DDR4 & DDR3L Support
- Display Resolution up to 4096x2304
- Intel Turbo Boost Technology
Bestseller No. 3
Intel Core i5-7500 LGA 1151 7th Gen Core Desktop Processor (Renewed)
- Supports up to 64GB of DDR4-2400 RAM
- Quad Core Processor
- up to 3.8 GHZ Turbo Frequency
- 3.40 GHz up to 3.80 GHz Max Turbo Frequency / 6 MB Cache
New products & alternatives to the Intel Core i5-2500K and the Intel Core i5-6600K
New
Intel® Core™ Ultra 5 Desktop Processor 225F 10 cores (6 P-cores + 4 E-cores) up to 4.9 GHz
- 10 cores (6 P-cores + 4 E-cores) and 14 threads.
- Performance hybrid architecture integrates two core microarchitectures, prioritizing and distributing workloads to optimize performance
- Up to 4.9 GHz. 22 MB Cache
- Compatible with Intel 800 series chipset-based motherboards
- PCIe 5.0 & 4.0 support. Intel Optane Memory support. No thermal solution included. Discrete graphics required
New
Intel Core Ultra 5 Desktop Processor 245KF - 14 cores (6 P-cores + 8 E-cores) up to 5.2 GHz
- Get ultra-efficient with Intel Core Ultra desktop processors that improve both performance and efficiency so your PC can run cooler, quieter, and quicker.
- Core & Threads 14 cores (6 P-cores + 8 E-cores) and 14 threads. Integrated Intel Graphics included
- Performance Hybrid Architecture Integrates two core microarchitectures, prioritizing and distributing workloads to optimize performance
- Performance Unlocked Up to 5.2 GHz unlocked. 26M Cache
- Compatibility Compatible with Intel 800 series chipset-based motherboards
New
Intel® Core™ Ultra 5 Desktop Processor 245K 14 cores (6 P-cores + 8 E-cores) up to 5.2 GHz
- Get ultra-efficient with Intel Core Ultra desktop processors that improve both performance and efficiency so your PC can run cooler, quieter, and quicker.
- Core & Threads 14 cores (6 P-cores + 8 E-cores) and 14 threads
- Performance Hybrid Architecture Integrates two core microarchitectures, prioritizing and distributing workloads to optimize performance
- Performance Unlocked Up to 5.2 GHz unlocked. 26M Cache
- Compatibility Compatible with Intel 800 series chipset-based motherboards
New
Intel Core Ultra 7 Desktop Processor 265K - 20 cores (8 P-cores + 12 E-cores) up to 5.5 GHz
- Get ultra-efficient with Intel Core Ultra desktop processors that improve both performance and efficiency so your PC can run cooler, quieter, and quicker.
- Core and Threads 20 cores (8 P-cores plus 12 E-cores) and 20 threads
- Performance Hybrid Architecture Integrates two core microarchitectures, prioritizing and distributing workloads to optimize performance
- Performance Unlocked Up to 5.5 GHz unlocked. 36MB Cache
- Compatibility Compatible with Intel 800 series chipset-based motherboards
Our conclusion on the Intel Core i5-2500K vs Intel Core i5-6600K
Both the Intel Core i5-2500K and the Intel Core i5-6600K are high quality products and we are sure you will be happy with either one. In the end it comes down to your budget and the value for money you are looking for.
Either way, the Intel Core i5-2500K and the Intel Core i5-6600K are both excellent products that will more than do their job!