Head-to-head used CPU value

Intel Core i7-6900K vs Intel Core i7-8700

Intel Core i7-8700 currently offers better used gaming performance per dollar. Tracked gaming performance is effectively tied.

Prices updated Sep 30, 2026
Used price differenceIntel Core i7-8700 is 23.6% lower
Gaming differenceEffectively tied
Value differenceIntel Core i7-8700 is 31% higher

Which CPU Should You Buy?

Gaming value, productivity, and total platform cost can point to different winners.

Best Gaming Value

Intel Core i7-8700 currently provides more tracked gaming performance per used dollar. Recheck the live prices before buying because a small market move can change the winner.

Productivity And Core Workloads

Intel Core i7-6900K is about 39.5% faster in the tracked Cinebench R23 multi-core result. Core count, cooling, and application behavior still affect real workloads.

Platform And Upgrade Cost

Socket data is incomplete for this pair. Intel Core i7-8700 has a 75 W lower tracked TDP.

Price, Benchmark And Platform Comparison

Used price uses the latest median, then the 25th percentile or minimum as fallback.

MetricIntel Core i7-6900KIntel Core i7-8700
Current used price$85$64.95
Current new price$98.67$18.87
Relative gaming performance5050
Gaming performance per dollar0.5920.775
Cinebench R23 multi12,5437,589
Cinebench R23 single1,0811,205
Cores / threads8 / 166 / 12
Socket--
TDP140 W65 W
Release year20162017
Qualified sales713
Full valuation

Intel Core i7-6900K

Open price history, fair value range, confidence, and complete specifications.

Full valuation

Intel Core i7-8700

Open price history, fair value range, confidence, and complete specifications.

Build-level estimate

PC Value Calculator

Estimate what a complete gaming PC containing either processor may be worth.