Last Updated & Fact Checked: March 21, 2026
Are you trying to decide between the Intel Core i7-7800X and the Intel Core i7-8700K?
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 i7-7800X or the Intel Core i7-8700K – and find out exactly what the differences are.
Both the Intel Core i7-7800X and the Intel Core i7-8700K are quality products, so read on to find out which one is best for your needs!
Intel Core i7-7800X quick facts
Intel Core i7-8700K quick facts
Intel Core i7-7800X product details
Bestseller No. 1
Intel BX80673I77800X Core i7-7800X Processor
- Socket LGA 2066
- Compatibale with Intel X299 Chipset
- 6 Cores/12 Threads
- Max Number of PCI Express Lanes 28
- Intel Optane memory ready and support for Intel Optane SSDs
Bestseller No. 2
Intel SR3NH Core i7-7800X X-Series Processor 8.25M Cache, up to 4.00 GHz (Renewed)
- 6 Cores / 12 Threads
- 3.50 GHz up to 4.00 GHz / 8.25 MB Cache
- Quad DDR4-2666 Memory Channels
- Compatible only with Motherboards based on Intel X299 Series Chipsets
- Intel Optane Memory Supported
Intel Core i7-8700K product details
Bestseller No. 1
Intel Core i7-8700K Desktop Processor 6 Cores up to 4.7GHz Turbo Unlocked LGA1151 300 Series 95W
- Intel UHD Graphics 630
- Compatible only with Motherboards based on Intel 300 Series Chipsets
- 6 Cores / 12 Threads
- 3.70 GHz up to 4.70 GHz Max Turbo Frequency / 12 MB Cache
- Intel Optane Memory Supported
Bestseller No. 2
Intel Core i7-8700K Desktop Processor 6 Cores up to 4.7GHz Turbo Unlocked LGA1151 300 Series 95W (Renewed)
- 6 Cores / 12 Threads
- 4.70 GHz Max Turbo Frequency / 12 MB Cache; Memory Types: DDR4 2666; Bus Speed 8 GT/s DMI3
- Compatible only with Motherboards based on Intel 300 Series Chipsets
- Intel Optane Memory Supported
- Intel UHD Graphics 630
Bestseller No. 3
Intel Core i7-8700 6 Cores 3.2GHz 12MB 8 GT/s 65W LGA 1151 CPU SR3QS (Renewed)
- 6 Cores / 12 Threads. Intel UHD Graphics 630
- 3.20 GHz up to 4.60 GHz Max Turbo Frequency / 12 MB Cache
- Compatible only with Motherboards based on Intel 300 Series Chipsets
- Intel Optane Memory Supported.Lithography:14 nm
- Instruction set is 64-bit and instruction set extensions is intel sse4.1, intel sse4.2 and intel avx2. Features intel hyper threading technology
New products & alternatives to the Intel Core i7-7800X and the Intel Core i7-8700K
New
Intel® Core™ Ultra 7 Desktop Processor 265F 20 cores (8 P-cores + 12 E-cores) up to 5.3 GHz
- 20 cores (8 P-cores + 12 E-cores) and 20 threads.
- Performance hybrid architecture integrates two core microarchitectures, prioritizing and distributing workloads to optimize performance
- Up to 5.3 GHz. 36 MB Cache
- Compatible with Intel 800 series chipset-based motherboards
- Turbo Boost Max Technology 3.0, and PCIe 5.0 & 4.0 support. Intel Optane Memory support. No thermal solution included. Discrete graphics required
New
Intel® Core™ Ultra 7 Desktop Processor 265 20 cores (8 P-cores + 12 E-cores) up to 5.3 GHz
- 20 cores (8 P-cores + 12 E-cores) and 20 threads. Integrated Intel Graphics included
- Performance hybrid architecture integrates two core microarchitectures, prioritizing and distributing workloads to optimize performance
- Up to 5.3 GHz. 36 MB Cache
- Compatible with Intel 800 series chipset-based motherboards
- Turbo Boost Max Technology 3.0, and PCIe 5.0 & 4.0 support. Intel Optane Memory support. No thermal solution included
New
Intel Core Ultra 7 Desktop Processor 265KF - 20 cores (8 P-cores + 12 E-cores) up to 5.5 GHz
- Total Core 20 (8P plus12E)
- Processor Thread 20
- Max Clock Frequency 5.5 GHz
- 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 i7-7800X vs Intel Core i7-8700K
Both the Intel Core i7-7800X and the Intel Core i7-8700K 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 i7-7800X and the Intel Core i7-8700K are both excellent products that will more than do their job!