Intel Core i9-12900KS

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💡 How to pick a processor
What to look for:
  • Socket must match your motherboard (AM5 for new AMD, LGA1851 for new Intel)
  • Core count and clock speed for performance
  • TDP (wattage) affects cooling needs
💰 Budget builds: under $200. Mainstream gaming: $250-$400. Enthusiast: $500+
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ProductCores/ThreadsSocketTDPScoreValuePrice
Core i9 (12th Gen) i9-12900KS Gaming Desktop Processor with Integrated Graphics and Hexadeca-core (16 Core) 2.50 GHz CPU
Intel Core i9-12900KS
Intel★★★★★4.6
16C/24T
LGA1700
150W
62%
C
$478.99
Specifications
cpuMark43440
SocketLGA1700
Cores/Threads16C
Threads24
Boost Clock5.5GHz
TDP150W
Base Clock3400GHz
MemoryDDR5
iGPUYes
PERFORMANCE
62%
Customer Reviews★★★★★5.0 · 5 reviews
★★★★★Great CPU! Reliable.
Very good CPU - I literally run a server on it and have no problems whatsoever! Is good when multitasking and overclocking! Very stable too!
Jacob Caines · 2026-04-04 · via amazon
★★★★★Best cpu hands down
Fastest cpu just a few years ago and still in the top of the class, it's only 5% slower single core than a 13900k with no microcode/oxidation problem. Runs way hotter than my i5 haha but with a good 360 AIO it runs nice and cool. So happy I have good integrated graphics for back up if anything happens to my GPU and can still light game. Its perfectly compatible with my z690 mobo just swap and play with added contact plate a must if you dare.
scott · 2025-11-23 · via amazon
★★★★★Overkill for me and Most.
This started a new PC build for me when it was on sale for $320. I haven't built a PC since 2007, so it has changed a bit since then. This thing runs hot at full load. Watch gamers nexus on YouTube. It will pull a solid 250+ watts running cinebench. I'm using an Arctic Freezer 2 420mm with a thermal grizzly contact frame and kryonaut, and it will load up to 80 degrees almost instantly without throttling but drop immediately to 25-30 degrees when the load stops. This is with ambient at 22 degrees. This thing is brutally fast, though, and in reality, outside of load testing it, I have rarely seen it go over 30% usage. The more recent i5 and i7 processors can more or less be equal in most use cases. i5 13/14600, i7 13/14700. This processor is still top-tier and will be for a few years to come. 12th gen i-series processors were a game-changer, the 13th-gen improved on them a bit with more e-cores, and the 14th-gen is looking like a stop-gap to the next big thing. You won't be disappointed; make sure to keep it cool.
Matthew K Shook · 2024-05-06 · via amazon
★★★★★Downgraded from 14900k
My 14900k kept crashing games and was unstable right out of the box. Downgraded to this and it's solid at least and saves me about $300. The FPS difference for my purposes (gaming) is very minimal (<10FPS) from all my tests.. and my computer actually works. Also got 6800MT/S RAM to work with this if you're in the same boat. Definitely going AMD on my next build after this headache though.
Justin · 2024-08-03 · via amazon
★★★★★Cool running CPU...
I was skeptical purchasing this CPU. I read topics claiming it gets hot. That's BULL!!! If you know how to build, able to put the right parts together, may take some research to make sound decisions, this is one strong processor. I game, watch media, do design work, and video editing, and do extreme multitasking, and have not gotten a hiccup. People are ready to put down a product without doing their homework to make it run like it should, screw the benchmarks and skepticism. Build it right and the rest will speak for itself. I believe in high quality and this CPU stands up to it all in cool smooth running, and seamless tasking. I waited to make sure I'd speak up for it, and I stand behind it 100%. Great CPU.
G-Man · 2025-05-17 · via amazon
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Amazon
✓ In Stock
$478.99
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VALUE SCORE
C
12.9
Average value
Performance (62%) ÷ Price ($478.99) = 12.9
S ≥28 · A ≥20 · B ≥14 · C ≥8 · D <8
FUTURE-PROOFING
⚠️LGA1700 — dead socket, 14th gen is last
DDR5 support
Core i9 (12th Gen) i9-12900KS Gaming Desktop Processor with Integrated Graphics and Hexadeca-core (16 Core) 2.50 GHz CPU
CONSIDER INSTEAD
SAVE $329100% of this product's perf
Intel Core Ultra 5 245KF
Cores
14C/14T
Boost
5.2GHz
Socket
LGA1851
TDP
125W
$149.99
+13% FASTER$279 cheaper
Intel® Core™ Ultra 5 Processor 250KF Plus 18 cores (6 P-cores + 12 E-cores) up to 5.3 GHz
Cores
16C/undefinedT
Boost
5.3GHz
Socket
LGA1851
TDP
125W
$199.99