Core i9-9900K
The Core i9-9900K is Intel’s 8-core, 16-thread processor for the LGA1151 platform, built on the Coffee Lake architecture. Below you’ll find its full spec sheet and gaming and Cinebench 2024 productivity benchmarks, plus every retailer’s current price.
Prices update regularly and may differ at the retailer. This page contains affiliate links.
Gaming & productivity performance
Gaming score: CPU-bound 1080p rating, normalized to 100. Cinebench 2024: multi- and single-core points (Cinebench 2024 (nanoreview.net)).
1080p Gaming
Cinebench Multi
Cinebench Single
The Core i9-9900K scores 42.7 on our 0–100 CPU gaming scale. In Cinebench 2024 it renders 706 points multi-core and 79 single-core — versus 2,482 for the fastest CPU we list (Core Ultra 7 270K Plus).
Performance-per-dollar rank among all CPUs with live pricing
Gaming value
#123
of 134
Productivity value
#110
of 119
Benchmark scores
Cinebench 2024 results from the source cited below.
Specifications
Cores & Clocks
- Cores / Threads
- 8 / 16
- Base clock
- 3.6 GHz
- Boost clock
- 5.0 GHz
- Architecture
- Coffee Lake
Cache & Process
- L3 cache
- 16 MB
- L2 cache
- 2 MB
- Process node
- Intel 14nm
- Released
- 2018-10-19
Memory & Platform
- Socket
- LGA1151
- Memory channels
- 2
- Max memory
- 128 GB
- Memory support
- DDR4, 2666
- Chipsets
- Z370, H310, B360, H370, Q370, Z390, B365
- PCIe
- PCIe 3.0
- ECC support
- No
Power & Extras
- TDP
- 95W
- Max power
- 210W
- Integrated graphics
- Intel UHD 630
- MSRP
- $488.00
The Core i9-9900K pairs 8 cores with 16 MB of L3 cache on the Intel 14nm process. Compare the Core i9-9900K against the full CPU lineup on the CPU comparison table, or build a compatible system around it with the PC Builder.
Where to buy the Core i9-9900K
Every in-stock retailer offer we track, cheapest first.
| Retailer | Availability | Price | Buy |
|---|---|---|---|
| Amazon | — | See on Amazon |  |
The Core i9-9900K starts from $439.00 across 1 retailer. Prices update daily from live stock.
Complete the build
The cheapest in-stock parts that actually fit the Core i9-9900K — matched on socket and power delivery using the same rules as our PC Builder, priced live.
The Core i9-9900K doesn't include a cooler, so you'll need to add one. This is the cheapest air cooler in stock that fits LGA1151 and handles its heat.
Contains affiliate links. Prices update regularly and may differ at the retailer.
How the Core i9-9900K compares
Similar CPUs worth a look, based on live prices and 1080p gaming performance.
Matches or beats the Core i9-9900K in 1080p gaming and 18% cheaper ($79.01) — a clear win.
8-core · from $359.99
About 26% more 1080p gaming performance, for 2% more ($10.00).
8-core · from $449.00
Save 60% ($262.54) for roughly 8% less 1080p gaming performance.
6-core · from $176.46
AMD's closest match — within 4% on 1080p gaming, 55% cheaper ($239.52).
8-core · from $199.48
Affiliate disclosure: Some links on this page are affiliate links — MaxMyBuild may earn a commission at no extra cost to you if you buy through them. As an Amazon Associate, MaxMyBuild earns from qualifying purchases. For Amazon, current price and availability are shown on the Amazon product page; product prices and availability are accurate as of the date and time of purchase and are subject to change. Prices shown for other retailers are approximate and may differ at checkout. “Search” links are non-affiliate and provided for convenience only.