COMPARE
Today's hottest
Amazon Ebay
deals
CPU
RANKINGS
TEST
YOUR CPU
ADD TO PC
BUILD
IntelBX8070811900K
IntelBX8071514900KS
▲ 753,225 ▼

8 Cores, 16 Threads @3.5GHz, Rocket Lake.
Release date: Q1 2021.

VS
▲ 52612 ▼

24 Cores, 32 Threads.
Release date ≈ Q1 2024.

Effective Speed 
+29%
Real World Speed
Performance profile from 45,040 user samples
Benchmark your CPU here
44,319 User Benchmarks
Best Bench: 112% Base clock 3.5 GHz, turbo 5.2 GHz (avg)
Worst Bench: 94% Base clock 3.5 GHz, turbo 3.5 GHz (avg)
Poor: 94% Great: 112%
SPEED RANK: 78th / 1468
Gaming
Gaming 103%
UFO
Desktop
Desktop 105%
UFO
Workstation
Workstation 104%
UFO
721 User Benchmarks
Great bench: 141% Base clock 3.2 GHz, turbo 5.7 GHz (avg)
Poor bench: 124% Base clock 3.2 GHz, turbo 2.55 GHz (avg)
Poor: 124% Great: 141%
SPEED RANK: 1st / 1468
Gaming
Gaming 133%
UFO
Desktop
Desktop 132%
UFO
Workstation
Workstation 175%
UFO
Effective Speed
Effective CPU Speed 		103 % 133 % Faster effective speed.
+29%
Average Score 
+40%
Memory
Avg. Memory Latency 		87.4 Pts +2% 85.5 Pts
1-Core
Avg. Single Core Speed 		171 Pts 244 Pts Much faster single-core speed.
+43%
2-Core
Avg. Dual Core Speed 		333 Pts 486 Pts Much faster dual-core speed.
+46%
4-Core
Avg. Quad Core Speed 		638 Pts 960 Pts Much faster quad-core speed.
+50%
8-Core
Avg. Octa Core Speed 		1114 Pts 1833 Pts Much faster octa-core speed.
+65%
Overclocked Score 
+35%
Memory
OC Memory Latency 		95.6 Pts 96.3 Pts +1%
1-Core
OC Single Core Speed 		183 Pts 257 Pts Much faster OC single-core speed.
+40%
2-Core
OC Dual Core Speed 		360 Pts 505 Pts Much faster OC dual-core speed.
+40%
4-Core
OC Quad Core Speed 		700 Pts 992 Pts Much faster OC quad-core speed.
+42%
8-Core
OC Octa Core Speed 		1279 Pts 1968 Pts Much faster OC octa-core speed.
+54%
Value & Sentiment 
+96%
Market Share
Based on 68,909,476 CPUs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.44 % Hugely higher market share.
+300% 		0.11 %
Value
Value For Money 		105 % 112 % Slightly better value.
+7%
User Rating
UBM User Rating 		75 % Much more popular.
+44% 		52 %
Price
Price (score) 		$265 Much cheaper.
+48% 		$514
Nice To Haves 
+136%
Age
Newest 		43 Months 7+ Months Hugely more recent.
+84%
64-Core
OC Multi Core Speed 		1734 Pts 4570 Pts Hugely faster OC 64-core speed.
+164%
64-Core
Avg. Multi Core Speed 		1600 Pts 4167 Pts Hugely faster 64-core speed.
+160%
Conclusion 
Average Bench 103%
Average Bench 133%

The i9-11900K is the fastest CPU in Intel’s 11th Gen Rocket Lake-S lineup which brings higher IPC (early samples indicate +19%) and 50% stronger integrated graphics. There are also 500 series chipset improvements including: 20 PCIe4 CPU lanes (up from 16) and USB 3.2 Gen 2x2 (20 Gbps up from 10 Gbps). Rocket Lake’s IPC uplift translates to around a 10% faster Effective Speed than both Intel's 10th Gen and AMD’s 5000 series. Despite Intel’s performance lead, AMD continues to outsell Intel. Given the scale of Intel's operation, it’s inexplicable that their marketing remains so neglected. Little effort is made to counter widespread disinformation such as: “it uses too much electricity” or the classic: “it needs more cores”. Intel’s marketing samples are routinely distributed to reviewers that appear better incentivized to bury Intel's products rather than review them. Not enabling XMP or only testing with BIOS power limits enabled is akin to leaving the handbrake on during a race. Mind-numbing “scientific” and rendering benchmarks are presented as gospel. Different games, mostly unplayed by real users, are cherry picked for each “review”. When it's convenient, canned game benchmarks are chosen such as Ulletical’s CSGO which runs at nearly double the in-game fps. Credible benchmark data, which necessarily includes replicable video footage from popular games, is the exception rather than the rule. At every release, AMD’s marketers coordinate narratives to ensure another feast of blue blubber. Nonetheless, towards the end of 2021, Intel’s Golden Cove is due to offer an additional 20-30% performance increase. At that time, with a net 30-40% performance lead, Intel will probably regain significant market share despite AMD's class-leading marketing. In the meantime, most PC gamers need look no further than the 11400F. [Mar '21 CPUPro]

MORE DETAILS

This CPU is the same as last gen. :( [May '24 ZxOmenGuyxZ]

MORE DETAILS

User Builds 
44,319
721
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 $295WD Black SN850X M.2 2TB $135
Intel Core i5-12400F $111Nvidia RTX 4060-Ti $345WD Black SN850X M.2 1TB $80
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