CPU Comparison
Intel Core i5-8600K vs Intel Core i7-8086K
A side-by-side comparison of specs, performance and value. The Intel Core i5-8600K is an unlocked 6-core, 6-thread desktop processor from the Coffee Lake family, featuring high clock speeds and solid single-core performance for mainstream gamers.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Lacks threads for heavy productivity.
Handles any productivity task with ease.
Gaming
Still performs well in gaming when paired with mid-range GPUs.
Elite single-core performance translates to massive frame rates in CPU-bound games.
Virtualization
Not ideal due to 6 thread limit.
Good for VMs, though 6 cores is slightly limiting for heavy servers.
Efficiency
Can draw significant power when overclocked.
Requires significant power to maintain 5.0 GHz.
Specialized Performance
AI / ML
- No dedicated AI hardware
- No AI hardware
- High clocks help CPU inference
Content Creation
Gaming
- Excellent single-core speed
- Often hits 5GHz with proper cooling
- Bottlenecked by 6 threads in new games
- Elite single-core speed
- Perfect for high-refresh-rate monitors
- Won't bottleneck any GPU
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- Unlocked for overclocking
- Soldered IHS for great thermals
- High single-core speed
- Includes integrated graphics
Cons
- No Hyper-Threading
- 95W TDP requires good cooling
- End-of-life platform
- Struggles in modern multi-threaded games
Pros
- First 5.0 GHz stock CPU
- High-quality silicon binning
- Unlocked multiplier
- Collector's item packaging
Cons
- Expensive due to collector status
- Runs hot at 5.0 GHz
- Only 6 cores vs newer 8+ core CPUs
- No PCIe 4.0
Competitors & Alternatives
Intel Core i5-8600K
- AMD Ryzen 5 1600Rival
Enthusiast Desktop
- Compare head-to-headIntel Core i5-7600KRival
Enthusiast Desktop
- AMD Ryzen 5 2600Rival
Enthusiast Desktop
- Intel Core i7-7700KRival
High-End Desktop
- AMD Ryzen 7 1700Rival
Enthusiast Desktop
Successor with slightly higher clocks and better security.
Compare head-to-head- Intel Core i5-12400FAlt
Modern budget king with much better performance.
- AMD Ryzen 5 5600XAlt
Massive single-core and multi-core upgrade.
Cheaper locked variant if you don't overclock.
Compare head-to-head
Intel Core i7-8086K
- AMD Ryzen 7 2700XRival
Desktop Enthusiast
- Compare head-to-headIntel Core i7-8700KRival
Desktop Enthusiast
- AMD Ryzen Threadripper 1900XRival
HEDT
- Compare head-to-headIntel Core i5-8600KRival
Desktop Enthusiast
- AMD Ryzen 7 1800XRival
Desktop Enthusiast
Successor with 8 cores and 5.0 GHz.
Compare head-to-head- AMD Ryzen 5 5600XAlt
Better efficiency and modern platform.
Similar performance, slightly newer.
Compare head-to-head- AMD Ryzen 7 5800X3DAlt
Vastly superior gaming performance.
Our Verdict on Each
A legendary overclocker in its era, though its 6-thread limitation shows its age in modern multi-threaded workloads and newer game engines.
Best for: Upgrading an existing Z370/Z390 system
Read the full reviewA historic processor that hit 5.0 GHz out of the box. It's a fantastic collector's item and an exceptional gaming CPU.
Best for: Collectors or enthusiasts upgrading an LGA 1151 system for max gaming FPS.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i5-8600K or Intel Core i7-8086K?
Based on our editorial ratings, the Intel Core i7-8086K comes out ahead with a score of 9.2/10. That said, the best choice depends on your workload — check the spec and performance breakdown above for gaming, productivity and efficiency differences.
Which is faster for gaming, Intel Core i5-8600K or Intel Core i7-8086K?
For gaming, the Intel Core i7-8086K leads with a gaming performance score of 94/100 among Intel Core i5-8600K and Intel Core i7-8086K.
Do Intel Core i5-8600K and Intel Core i7-8086K use the same socket?
No. They use different sockets (Intel Core i5-8600K: LGA 1151, Intel Core i7-8086K: Intel Socket 1151), so each needs a compatible motherboard.
Which is faster in multi-core benchmarks?
The Intel Core i7-8086K posts the highest multi-core benchmark score. Multi-core results: Intel Core i7-8086K (16,500). Benchmark figures are approximate and workload-dependent.