CPU Comparison

Intel Core i5-11600 vs Intel Core i7-8086K

A side-by-side comparison of specs, performance and value. The Intel Core i5-11600 is the fastest non-K i5 in the Rocket Lake stack, offering 6 cores and 12 threads with a robust 2.8 GHz base and a 4.8 GHz turbo boost. This processor is designed for users who want near-flagship single-threaded performance without paying the premium for an unlocked multiplier.

Intel · Core i5
Intel Core i5-11600
6C / 12T4.8 GHz65 W
8.6
Full review
Top pick
Intel · Core i7
Intel Core i7-8086K
6C / 12T5 GHz95 W
9.2
Full review

The Bottom Line

Overview & Launch

Brand
Intel
Intel
Market
Desktop
Desktop
Segment
Mainstream Desktop
Desktop Enthusiast
Generation
11th Generation
Core i7 40th (Coffee Lake)
Launched
2021
2018
Status
End-of-life
End-of-life
Codename
Rocket Lake
Coffee Lake
Series
Core i5
Core i7
Family
11th Gen Core
8th Generation Special Edition
Predecessor
Intel Core i5-10600
Intel Core i7-8700K
Successor
Intel Core i5-12600
Intel Core i9-9900K

Specifications Compared

Cores & Clocks
Cores
6
6
Threads
12
12
Base Clock
2.8 GHz
4 GHz
Boost Clock
4.8 GHz
5 GHz
Cache & Power
L3 Cache
12 MB
12 MB
TDP
65 W
95 W
Architecture
Architecture
Cypress Cove
Coffee Lake
Process Node
14 nm
14nm
Memory
Memory Type
DDR4
DDR4
Memory Speed
DDR4-3200
2666 MT/s
Memory Channels
Dual (2)
Dual (2)
Max Memory
128 GB
128 GB
Platform & I/O
Socket
Intel Socket 1200
Intel Socket 1151
PCIe Version
PCIe 4.0
Gen 3
PCIe Lanes
20
16
Integrated GPU
None
Yes
Unlocked
No
Yes

Performance Compared

Productivity

Intel Core i5-1160078

Very strong burst and single-threaded productivity; multi-thread is limited by 6 cores.

Intel Core i7-8086KBest90

Handles any productivity task with ease.

Gaming

Intel Core i5-1160090

Exceptional gaming performance that frequently matches or beats the 11600K at stock settings.

Intel Core i7-8086KBest94

Elite single-core performance translates to massive frame rates in CPU-bound games.

Virtualization

Intel Core i5-1160070

Capable for development VMs, though ECC memory is not supported.

Intel Core i7-8086KBest88

Good for VMs, though 6 cores is slightly limiting for heavy servers.

Efficiency

Intel Core i5-1160050

Pushes 14nm hard, resulting in high power draw and heat output under max turbo.

Intel Core i7-8086KBest65

Requires significant power to maintain 5.0 GHz.

Specialized Performance

AI / ML

Intel Core i5-11600Limited
  • No dedicated AI hardware
  • AVX-512 can assist in vector-based workloads
Intel Core i7-8086KLimited
  • No AI hardware
  • High clocks help CPU inference

Content Creation

Intel Core i5-11600Good
Adobe Premiere ProBlenderUnreal EnginePhotoshop
Intel Core i7-8086KVery Good
Premiere ProBlenderUnityOBS Studio

Gaming

Intel Core i5-11600Excellent
  • 4.8 GHz boost ensures max frame rates
  • Requires a discrete GPU (no iGPU)
  • Capable of driving high-end GPUs at 1440p/4K
Intel Core i7-8086KExcellent
  • Elite single-core speed
  • Perfect for high-refresh-rate monitors
  • Won't bottleneck any GPU

Industry Impact

Gaming
High
High
Workstations
Low
Moderate
Content Creation
Moderate
Moderate
Virtualization
Moderate
Moderate

Best CPU by Use Case

High-Refresh 1080p Gaming
Excellent
VR Gaming
Excellent
Competitive Esports
Excellent
Code Compilation
Very Good
Heavy Multi-thread Rendering
Fair
144Hz+ Gaming
Excellent
Collecting
Excellent
Overclocking
Excellent
AR/VR Development
Very Good
Emulation
Excellent

Target Audience

Gamers
Targeted
Targeted
Content Creators
Targeted
Targeted
Developers
Targeted
Targeted
Workstation Users
Streamers
Targeted
Targeted
Office / Productivity
Students

Strengths & Weaknesses

Intel Core i5-11600

Pros

  • Outstanding single-threaded performance
  • 4.8 GHz boost clock
  • Strong gaming frame rates
  • PCIe 4.0 support
  • AVX-512 instructions

Cons

  • No integrated graphics (unusual for non-F SKU)
  • Locked multiplier
  • High power draw under full load
  • 14nm process runs hot
  • Poor multi-threaded value vs Ryzen
Intel Core i7-8086K

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 i5-11600

  • AMD Ryzen 5 5600X

    Mainstream Desktop

    Rival
  • Intel Core i5-11600K

    Mainstream Desktop

    Rival
    Compare head-to-head
  • AMD Ryzen 5 7600

    Mainstream Desktop

    Rival
  • Intel Core i5-11400

    Mainstream Desktop

    Rival
  • Intel Core i7-10700K

    High-End Desktop

    Rival
  • AMD Ryzen 5 5600
    Alt

    Better efficiency and similar gaming performance.

  • Intel Core i5-12400F
    Alt

    Better value and efficiency on the newer platform.

  • Much cheaper for very similar gaming performance.

    Compare head-to-head
  • AMD Ryzen 7 5700X
    Alt

    More cores for heavy productivity at a similar price.

Intel Core i7-8086K

Our Verdict on Each

The ultimate locked i5 of the 11th Gen, pushing 4.8 GHz for top-tier single-threaded performance. Just be aware of its unusual lack of integrated graphics and high power draw.

Best for: High-refresh-rate gaming builds where an unlocked multiplier is unnecessary

Read the full review

A 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 review

Frequently Asked Questions

Which is better, Intel Core i5-11600 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 i5-11600 or Intel Core i7-8086K?

For gaming, the Intel Core i7-8086K leads with a gaming performance score of 94/100 among Intel Core i5-11600 and Intel Core i7-8086K.

Which uses less power?

The Intel Core i5-11600 has the lowest rated TDP. Power draw across these chips: Intel Core i5-11600 (65 W), Intel Core i7-8086K (95 W).

Do Intel Core i5-11600 and Intel Core i7-8086K use the same socket?

No. They use different sockets (Intel Core i5-11600: Intel Socket 1200, 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 i5-11600 (10,500), Intel Core i7-8086K (16,500). Benchmark figures are approximate and workload-dependent.