The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 3 Showing 41-60 of 401 reviews
Rated 5 out of 5 stars
The best
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Posted . Owned for 2 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
A beast simple as that can handle anything you wanna do or play
This review is from Intel - Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W - Grey/Black/Gold
I would recommend this to a friend
Rated 5 out of 5 stars
Next level…
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Fast and beyond the 5950x. Paired with DDR5 memory just amazing.
This review is from Intel - Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W - Grey/Black/Gold
I would recommend this to a friend
Brand response from Intel team
Posted .
Hello JTdtom1984. Thank you for your great review! Indeed, our 12Th Generation Intel® Core™ i9-12900K Processor delivers a pretty remarkable performance, which takes your gaming experience to the next level! Happy gaming!
Thank you for choosing Intel!
Rated 5 out of 5 stars
Love it
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This is a great watch. I love it. It is capable of tracking your health, sleep patterns, heart rate, check your messages, answer calls, and so many other features. I would recommend it to everyone who is interested in improving their health. It’s a great watch. Love all the accessories you can use with it….
This review is from Intel - Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W - Grey/Black/Gold
I would recommend this to a friend
Rated 4 out of 5 stars
Good but expensive
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Built my first computer with this and it is rather quick. The price is a good chunk of change but was able to get it price matched so decided to get it from best buy
This review is from Intel - Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W - Grey/Black/Gold
I would recommend this to a friend
Rated 5 out of 5 stars
Cpu
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Runs great no problem plays all my games very well
This review is from Intel - Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W - Grey/Black/Gold
I would recommend this to a friend
Rated 5 out of 5 stars
Great CPU
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Posted . Owned for 10 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Great CPU! Ended up building two systems with it and they have been running smooth!
This review is from Intel - Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W - Grey/Black/Gold
I would recommend this to a friend
Rated 5 out of 5 stars
Processor to buy for years of performance
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Posted . Owned for 11 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This is an amazing processor, I have had no issues with it.
This review is from Intel - Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W - Grey/Black/Gold
I would recommend this to a friend
Rated 5 out of 5 stars
Fast processor.
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Posted . Owned for 4 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Paired well with 3080ti. In a custom water loop, no temp issues with gaming.
This review is from Intel - Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W - Grey/Black/Gold
I would recommend this to a friend
Rated 5 out of 5 stars
Can't beat the performance for this price
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I upgraded from an Intel i7 7700k to this processor and it's day and night difference for speed and CPU load when gaming. I game in 2k resolution and this purrs while doing so. Definitely recommend an AIO cooler for it!
This review is from Intel - Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W - Grey/Black/Gold
I would recommend this to a friend
Rated 5 out of 5 stars
This is a monster of a cpu
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
The performance this chips puts out is amazing and good improvement from my i9 10850k
This review is from Intel - Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W - Grey/Black/Gold
I would recommend this to a friend
Rated 4 out of 5 stars
Fast
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Fast, but not fast enough for gmod with king kong, godzilla and mecha godzilla fighting.
This review is from Intel - Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W - Grey/Black/Gold
I would recommend this to a friend
Rated 4 out of 5 stars
Great product. very fast.
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Very good product. Good quality and very fsst responding.
This review is from Intel - Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W - Grey/Black/Gold
I would recommend this to a friend
Rated 5 out of 5 stars
Great CPU
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This CPU was part of a new build I just finished. This is by far one of the fastest CPUs I’ve personally worked with. My build currently has this i9, 64gb DDR5 RAM, 850w PSU and 6700xt GPU. With this setup, I am getting up to 175fps games like Racing Dirt Rally/Call of Duty. My CPU is liquid cooled, although I will say the i9 seems to run a little warmer than i5/i7, other than that - this is an extreme processor that is ready to handle anything thrown at it.
This review is from Intel - Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W - Grey/Black/Gold
I would recommend this to a friend
Rated 5 out of 5 stars
Expensive, Fast... and Hot (until you tweak it)
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
Expensive, Very Quick... Hot with stock/auto settings. I have this paired with the MSI Edge WiFi DDR4 and 32gb (2x16) of DDR4/3600 CL16. Running stock settings, my MSI board had load temps of 1.300v. Thus, Cinebench R23 was getting into the mid-90's after a few cycles. My cooler is the dual fan/heatsink Noctua NH-D15 chroma with NT-H1 paste and using the appropriate Noctua LGA 1700 mounting kit.
I adjusted the CPU voltage to 1.225 on LLC Level 4, changed P-Cores to 2x53, 4x51 and 8x50 with P-Cores to All at 40x, 30 mins of CineBench R23 the P-Cores averaged 70-71-75-76-76-78-78-79. E-Cores averaged 70c-72c. The load Vcore reading was 1.210. CPU Package Power averaged 217w. No WHEA errors or BSODs. Not only overclocked, but doing it at significantly reduced temps and power. Score was 28,400. There's still some headroom left, but this was my first quick attempt.
Overall, this chip is overkill. An i7-12700K will suffice and save you $200. If you have the extra money to spare, buy it.
This review is from Intel - Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W - Grey/Black/Gold
I would recommend this to a friend
Rated 5 out of 5 stars
i9 12990k
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Posted . Owned for 1.5 years when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Review: Intel Core i9-12900K
The Intel Core i9-12900K is an exceptional processor that sets a new standard for high-performance computing. As an enthusiast and professional who demands the utmost from my hardware, I am thoroughly impressed by what this CPU has to offer.
#### Performance: ★★★★★
The i9-12900K boasts 16 cores (8 performance cores and 8 efficient cores) and 24 threads, delivering an outstanding multi-core performance. Whether it's intensive gaming, video editing, 3D rendering, or running virtual machines, this CPU handles it all with ease. The blend of performance and efficiency cores ensures that it can tackle demanding tasks while remaining power-efficient for everyday use.
Gaming: ★★★★★
For gamers, the i9-12900K is a dream come true. Paired with a high-end GPU, it provides smooth and consistent frame rates, even in the most graphically demanding titles. The high clock speeds and intelligent workload distribution mean there's no bottleneck, ensuring an immersive and lag-free gaming experience.
Productivity: ★★★★★
When it comes to productivity, this processor shines. Tasks such as compiling code, editing videos, and working with large datasets are executed swiftly. The multitasking capabilities are remarkable, allowing for seamless switching between applications without any noticeable slowdown.
#### Overclocking: ★★★★★
For those who like to push their hardware to the limit, the i9-12900K offers excellent overclocking potential. With adequate cooling, it can reach impressive clock speeds, providing an extra boost in performance for those who need it.
Future-Proofing: ★★★★★
Investing in the i9-12900K is a wise decision for future-proofing your system. Its support for DDR5 memory and PCIe 5.0 ensures that your rig will be ready for the next generation of technology, offering better performance and faster data transfer rates as new components become available.
Power Consumption and Heat: ★★★★☆
While the performance is stellar, it does come at the cost of higher power consumption and heat output. It's crucial to pair this CPU with a robust cooling solution to maintain optimal temperatures, especially if you plan on overclocking.
Value: ★★★★★
Considering the performance, features, and future-proofing capabilities, the i9-12900K offers excellent value for its price. It's a worthy investment for gamers, content creators, and professionals who require top-tier performance from their systems.
Conclusion
The Intel Core i9-12900K is a powerhouse of a processor that excels in all areas. Its unmatched performance, future-proofing capabilities, and versatility make it a top choice for anyone looking to build a high-end PC. Despite the higher power consumption and heat, the benefits far outweigh these minor drawbacks. Without hesitation, I give the i9-12900K a well-deserved 5-star rating.
This review is from Intel - Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W - Grey/Black/Gold
I would recommend this to a friend
Rated 5 out of 5 stars
The King of Gaming cpus!
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Posted . Owned for 2 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Intel is back! The tech behind this cpu is the first time in the desktop world that intel has changed since 2015 and it shows. Finally intel is back on the top of the charts again and I hope this trend continues between intel and AMD. These Alderlake cpus are the ones to buy right now (you dont need a DDR5 board) if you are looking for a top tier gaming/workstation PC. That might change in the future but right now these are the cpus to get. This is the top tier gaming cpu and trades blows with AMD cpus priced above it.
This review is from Intel - Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W - Grey/Black/Gold
I would recommend this to a friend
Brand response from Intel team
Posted .
Hello Akoi. Thank you for your kind review! Indeed, the 12Th Generation Intel® Core™ i9-12900K Processor is top-of-the-line and offers an outstanding performance like no other! Continue to enjoy the outstanding performance, amazing graphics quality and easy overclocking capabilities of this processor!
Thank you for choosing Intel!
Rated 5 out of 5 stars
Fast and Hot.
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Posted . Owned for 7 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
The i9 12900k does run a bit hot so an AIO is suggested to cool it down. I went with a 360mm because 240mm didnt quite get the cooling down to what I would like.
Combined with DDR5, you get really fast speeds and if you can find it, get the 6000mhz ram. I am running Win11 and everything runs so fast. Adobe is a breeze and browsing is instant. I have 1gig internet speeds so streaming in 4k is flawless.
At the time of purchase DDR5 was a bit expensive so keep that in mind when doing an i9 12900k build. Otherwise, if you need an upgrade. This is the CPU upgrade you need.
This review is from Intel - Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W - Grey/Black/Gold
I would recommend this to a friend
Rated 5 out of 5 stars
Extremely fast
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Was waiting for this processor to come out this year and it didn't disappoint. Immediately purchased and have been running it for a few weeks now. Requires a lot of cooling but is blazing fast and well worth it. Redefines the price/performance bracket combined with the 12600k/12700k. Glad intel is bringing competition back after stagnating for so long as it can only be good for the consumer.
This review is from Intel - Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W - Grey/Black/Gold
I would recommend this to a friend
Brand response from Intel team
Posted .
Hello Raizor. Thank you for your great review! We are pleased to know that you are happy with the performance of your new 12Th Generation Intel® Core™ i9-12900K Processor! Continue to enjoy the remarkable performance, amazing graphics quality and blazing speeds of your new Intel® Core™ i9 Processor!
Thank you for choosing Intel!
Rated 5 out of 5 stars
Best CPU I've Ever Owned
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Posted . Owned for 7 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Absolutely love this CPU. It handles everything I throw at it with ease. They have a tendency to run on the hotter side, so I'd recommend getting a kraken x63 280 rad to cool it. Phenomenal combo. Would highly recommend to anyone interested in purchasing a new CPU. This thing is an absolute monster.
This review is from Intel - Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W - Grey/Black/Gold
I would recommend this to a friend
Rated 5 out of 5 stars
I9 12900K
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
The i9 12900K is an extremely fast processor. The K denotes that it has an integrated graphics processor utilizing the Intel graphics UHD 770. This CPU chip does not come packaged with any cooling devices so you will need to find a solution for the high temperatures that it generates. A large AIO or heat sink/fan will do. I paired my CPU with a Noctua NH-D15 heat sink. Temperatures are 20 Celsius at idle and 65-75 Celsius while heavy lifting. Awesome combo.
This review is from Intel - Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W - Grey/Black/Gold