COMPARE
Today's hottest
Amazon Ebay
deals
CPU
RANKINGS
TEST
YOUR CPU
ADD TO PC
BUILD
IntelBX8071513100
IntelBX8071512900K
VS
▲ 842,573 ▼

16 Cores, 24 Threads @3.2GHz, Alder Lake.
Release date: Q4 2021.

Effective Speed 
+21%
Real World Speed
Performance profile from 67,295 user samples
Benchmark your CPU here
304 User Benchmarks
Great bench: 103% Base clock 3.4 GHz, turbo 4.3 GHz (avg)
Poor bench: 90% Base clock 3.4 GHz, turbo 4.3 GHz (avg)
Poor: 90% Great: 103%
SPEED RANK: 123rd / 1468
Gaming
Gaming 96%
Nuclear submarine
Desktop
Desktop 102%
UFO
Workstation
Workstation 83%
Aircraft carrier
66,991 User Benchmarks
Best Bench: 124% Base clock 3.2 GHz, turbo 5.1 GHz (avg)
Worst Bench: 107% Base clock 3.2 GHz, turbo 3.9 GHz (avg)
Poor: 107% Great: 124%
SPEED RANK: 35th / 1468
Gaming
Gaming 117%
UFO
Desktop
Desktop 116%
UFO
Workstation
Workstation 138%
UFO
Effective Speed
Effective CPU Speed 		96 % 117 % Faster effective speed.
+21%
Average Score 
+31%
Memory
Avg. Memory Latency 		81.8 Pts +1% 80.8 Pts
1-Core
Avg. Single Core Speed 		179 Pts 207 Pts Faster single-core speed.
+16%
2-Core
Avg. Dual Core Speed 		337 Pts 412 Pts Faster dual-core speed.
+22%
4-Core
Avg. Quad Core Speed 		595 Pts 814 Pts Much faster quad-core speed.
+37%
8-Core
Avg. Octa Core Speed 		840 Pts 1516 Pts Hugely faster octa-core speed.
+80%
Overclocked Score 
+31%
Memory
OC Memory Latency 		90.8 Pts 92.2 Pts +2%
1-Core
OC Single Core Speed 		187 Pts 218 Pts Faster OC single-core speed.
+17%
2-Core
OC Dual Core Speed 		361 Pts 436 Pts Faster OC dual-core speed.
+21%
4-Core
OC Quad Core Speed 		670 Pts 858 Pts Faster OC quad-core speed.
+28%
8-Core
OC Octa Core Speed 		879 Pts 1655 Pts Hugely faster OC octa-core speed.
+88%
Value & Sentiment 
+785%
Market Share
Based on 68,932,026 CPUs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.03 % 0.97 % Insanely higher market share.
+3,133%
Value
Value For Money 		119 % +2% 117 %
User Rating
UBM User Rating 		52 % 84 % Much more popular.
+62%
Price
Price (score) 		$127 Much cheaper.
+54% 		$277
Nice To Haves 
+144%
Age
Newest 		21+ Months Much more recent.
+42% 		36 Months
64-Core
OC Multi Core Speed 		881 Pts 2996 Pts Hugely faster OC 64-core speed.
+240%
64-Core
Avg. Multi Core Speed 		844 Pts 2804 Pts Hugely faster 64-core speed.
+232%
Conclusion 
Average Bench 96%
Average Bench 117%

Intel’s 16-core flagship Alder Lake i9-12900K processor delivers a staggering performance improvement over it's predecessor (+70% 64-core). It features a new hybrid architecture which combines eight hyper-threaded performance cores with eight efficiency cores for a total of 24 threads. Alder Lake CPUs will require a new Z690 chipset which supports DDR5 memory and PCIe 5.0. At an MRSP of $590 USD, the i9-12900K is aimed at power users who demand the best of the best. That said, Intel’s 10-core 12600K matches the 12900K’s performance for the majority of consumer use cases at a 50% price discount. [Nov '21 CPUPro]

MORE DETAILS

User Builds 
304
66,991
Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Processor Rankings (Price vs Performance) November 2024 CPU Rankings

We calculate effective speed which measures real world performance for typical users. Effective speed is adjusted by current prices to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top CPUs. [CPUPro]

Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
How Fast Is Your CPU? (Bench your build) Size up your PC in less than a minute

Welcome to our PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best value for money upgrades.

UserBenchmark of the month

Gaming Desktop ProGaming

How it works

  • - Download and run UserBenchmark
  • - CPU tests include: integer, floating and string
  • - GPU tests include: six 3D game simulations
  • - Drive tests include: read, write, sustained write and mixed IO
  • - RAM tests include: single/multi core bandwidth and latency
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
  • - Identify the strongest components in your PC
  • - See speed test results from other users
  • - Compare your components to the current market leaders
  • - Explore your best upgrade options with a virtual PC build
  • - Compare your in-game FPS to other users with your hardware

 Frequently Asked Questions

Processors FAQ
AMD vs Intel: Gaming performance 2012-2021
How does IPC compare between AMD's Ryzen and Intel's Kaby Lake?
What is multi core mixed speed?
What is multi core integer speed?
What is multi core floating point speed?
What is single core mixed CPU speed?
What is quad core mixed CPU speed?
What is quad core floating point speed?
What is quad core integer speed?
What is single core floating point speed?
What is single core integer speed?
What is the GeekBench single core score?
What is a CPU?
What is the effective CPU speed index?
What is overclocking?
What is thermal design power (TDP)?
ALL FAQs »

 Best User Rated
Why does UserBenchmark have a bad reputation on reddit?
Marketers operate thousands of reddit accounts. Our benchmarks expose their spiel so they attack our reputation.
Why don’t PC brands endorse UserBenchmark?
Brands make boatloads on flagships like the 4090 and 14900KS. We help users get similar real-world performance for less money.
Why don’t youtubers promote UserBenchmark?
We don't pay youtubers, so they don't praise us. Moreover, our data obstructs youtubers who promote overpriced or inferior products.
Why does UserBenchmark have negative trustpilot reviews?
The 200+ trustpilot reviews are mostly written by virgin marketing accounts. Real users don't give a monkey's about big brands.
Why is UserBenchmark the gold standard for users?
Instead of pursuing brands for sponsorship, we've spent 13 years publishing real-world data for users.
The Best
CPUGPUSSD
Intel Core i5-12600K $169Nvidia RTX 4060 $298WD Black SN850X M.2 2TB $135
Intel Core i5-12400F $111Nvidia RTX 4060-Ti $345WD Black SN850X M.2 1TB $75
Intel Core i5-13600K $225Nvidia RTX 4070 $500Crucial T700 M.2 4TB $350
Today's hottest
Amazon Ebay
deals
If you buy something via a price link, UserBenchmark may earn a commission
Build Test EFps
Can You Run It?
►
YouTube
*NEW*
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback