Head-to-head used CPU value

Intel Core i9-9900 vs Intel Core i9-9900KF

Intel Core i9-9900 currently offers better used gaming performance per dollar. Tracked gaming performance is effectively tied.

Prices updated Sep 30, 2026
Used price differenceIntel Core i9-9900KF is 6.7% higher
Gaming differenceEffectively tied
Value differenceIntel Core i9-9900KF is 6.2% lower

Which CPU Should You Buy?

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

Best Gaming Value

Intel Core i9-9900 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 i9-9900KF is about 5.8% 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.

Price, Benchmark And Platform Comparison

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

MetricIntel Core i9-9900Intel Core i9-9900KF
Current used price$165$175.98
Current new price$18.87$259
Relative gaming performance5656
Gaming performance per dollar0.3420.32
Cinebench R23 multi11,73812,424
Cinebench R23 single1,2661,266
Cores / threads8 / 168 / 16
Socket--
TDP65 W65 W
Release year20192019
Qualified sales713
Full valuation

Intel Core i9-9900

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

Full valuation

Intel Core i9-9900KF

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.