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Core i7-8700K — Coffee Lake · 6C/12T · 95 W · LGA1151
Intel

Core i7-8700K

Coffee Lake · 6C/12T · 95 W · LGA1151

62
/ 100
From $359
VS
Ryzen 7 9700X wins by 27
Ryzen 7 9700X — Zen 5 · 8C/16T · 65 W · AM5
AMD

Ryzen 7 9700X

Zen 5 · 8C/16T · 65 W · AM5

89
/ 100
From $359
Specdex verdict

Ryzen 7 9700X takes it — here’s why.

In our weighted Specdex score, Core i7-8700K lands at 62 and Ryzen 7 9700X at 89. That puts Ryzen 7 9700X ahead by 27 points — a decisive margin driven mostly by its strengths in the categories below.

Pick Core i7-8700K if…

  • ✓Strong per-core performance
  • ✓Hybrid P/E cores (12th gen+)
  • ✓Wide platform availability

Pick Ryzen 7 9700X if…

  • ✓AM4/AM5 longevity
  • ✓Multi-thread value
  • ✓Unlocked multipliers
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Gaming

Ryzen 7 9700X

Frame-rate-bound workloads — favours cache and single-thread speed

Ryzen 7 9700X leads on gaming (87 vs 61).

Creators & productivity

Ryzen 7 9700X

Rendering, compilation, heavy multitasking — favours core count

Ryzen 7 9700X leads on multi (89 vs 62).

Power efficiency

Ryzen 7 9700X

Performance per watt — thermals, PSU headroom, electricity cost

Ryzen 7 9700X leads on efficiency (80 vs 72).

Value for money

Ryzen 7 9700X

Specdex score per dollar at MSRP

Ryzen 7 9700X more score per dollar ($359 vs $359).

Core i7-8700K 62
vs
89 Ryzen 7 9700X

Score breakdown

Core i7-8700K
62
single 64
multi 62
gaming 61
efficiency 72
Ryzen 7 9700X
89
single 85
multi 89
gaming 87
efficiency 80

Specs side-by-side

Core i7-8700K versus Ryzen 7 9700X — full spec comparison
Spec Core i7-8700K Ryzen 7 9700X
Architecture
Coffee Lake
Zen 5
Cores
6
▲ 8
Threads
12
▲ 16
TDP
95 W
65 W
Socket
LGA1151
AM5
Release year
2017
2024

Core i7-8700K

Pros
  • +Strong per-core performance
  • +Hybrid P/E cores (12th gen+)
  • +Wide platform availability
Cons
  • −Power draw on top SKUs
  • −Frequent socket changes
  • −Arrow Lake gaming regressions

Ryzen 7 9700X

Pros
  • +AM4/AM5 longevity
  • +Multi-thread value
  • +Unlocked multipliers
Cons
  • −DDR5 required on AM5
  • −iGPU optional
  • −X3D variants better for gaming

FAQ: Core i7-8700K vs Ryzen 7 9700X

Which is better, Core i7-8700K or Ryzen 7 9700X? +

Ryzen 7 9700X scores 89 on our weighted rubric — ahead by 27. Your best pick depends on the sub-scores above.

Is Core i7-8700K worth the price? +

At $359, Core i7-8700K delivers a Specdex score of 62 — strongest in efficiency.

Is Ryzen 7 9700X worth the price? +

At $359, Ryzen 7 9700X delivers a Specdex score of 89 — strongest in multi.

Does Core i7-8700K or Ryzen 7 9700X last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is better for gaming, Core i7-8700K or Ryzen 7 9700X? +

Ryzen 7 9700X — leads on gaming (87 vs 61). Frame-rate-bound workloads — favours cache and single-thread speed.

Which is better for creator and productivity work, Core i7-8700K or Ryzen 7 9700X? +

Ryzen 7 9700X — leads on multi (89 vs 62). Rendering, compilation, heavy multitasking — favours core count.