IntelBX8070811900K
IntelBX80633I74820K

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

4 Cores, 8 Threads @3.7GHz, Ivy Bridge-E.
Release date: Q3 2013.

Real World Speed
Performance profile from 67,488 user samples
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: 63rd / 1442
Gaming
Gaming 103%
UFO
Desktop
Desktop 105%
UFO
Workstation
Workstation 104%
UFO
23,169 User Benchmarks
Best Bench: 81% Base clock 3.6 GHz, turbo 3.6 GHz (avg)
Worst Bench: 61% Base clock 3.7 GHz, turbo 3.75 GHz (avg)
Poor: 61% Great: 81%
SPEED RANK: 361st / 1442
Gaming
Gaming 72%
Battleship
Desktop
Desktop 75%
Battleship
Workstation
Workstation 58%
Gunboat
Effective Speed
Effective CPU Speed
103 % Much faster effective speed.
+44%
71.8 %
Memory
Avg. Memory Latency
87.4 Pts +3% 84.7 Pts
1-Core
Avg. Single Core Speed
171 Pts Hugely faster single-core speed.
+82%
94 Pts
2-Core
Avg. Dual Core Speed
333 Pts Hugely faster dual-core speed.
+83%
182 Pts
4-Core
Avg. Quad Core Speed
638 Pts Hugely faster quad-core speed.
+99%
320 Pts
8-Core
Avg. Octa Core Speed
1114 Pts Hugely faster octa-core speed.
+134%
477 Pts
Memory
OC Memory Latency
95.6 Pts +2% 94 Pts
1-Core
OC Single Core Speed
183 Pts Much faster OC single-core speed.
+58%
116 Pts
2-Core
OC Dual Core Speed
360 Pts Much faster OC dual-core speed.
+66%
217 Pts
4-Core
OC Quad Core Speed
700 Pts Much faster OC quad-core speed.
+79%
392 Pts
8-Core
OC Octa Core Speed
1279 Pts Hugely faster OC octa-core speed.
+120%
581 Pts
Market Share
Based on 67,813,244 CPUs tested
Market Share
Market Share (trailing 30 days)
0.45 % Insanely higher market share.
+1,025%
0.04 %
Value
Value For Money
105 % Better value.
+14%
92.7 %
User Rating
UBM User Rating
75 % Much more popular.
+36%
55 %
Price
Price (score)
$258 $110 Much cheaper.
+57%
Age
Newest
37 Months Much more recent.
+71%
128 Months
TDP
Thermal Design Power (TDP)
125 Watts +4% 130 Watts
Cores
CPU Processing Cores
8 cores Hugely higher core count.
+100%
4 cores
Threads
CPU Processing Threads
16 threads Hugely higher thread count.
+100%
8 threads
Lithography
Manufacturing process
14 nm Much newer manufacturing.
+36%
22 nm
Base Clock
Base Clock Speed
3.5 GHz 3.7 GHz Slightly faster base frequency.
+6%
Turbo Clock
Turbo Clock Speed
5.3 GHz Much faster turbo frequency.
+36%
3.9 GHz
64-Core
OC Multi Core Speed
1734 Pts Hugely faster OC 64-core speed.
+197%
583 Pts
64-Core
Avg. Multi Core Speed
1600 Pts Hugely faster 64-core speed.
+229%
487 Pts
Series
CPU Architecture
Rocket Lake Ivy Bridge-E
Socket
Motherboard Socket
FCLGA1200 FCLGA2011
Graphics
Integrated Graphics
UHD 750 None
ADVERTISEMENT

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 is yet another processor from Intel that demonstrates their total market domination in the high end PC sector. The 4820K isn't really a step forward in any particular direction but rather a variant on what's already been available (performance wise) for a few years. As long as Intel is largely competing with itself they will likely continue with these sorts of incremental releases. The 4820K requires an Intel X79 chipset, which dates back to Sandy Bridge-E and lacks some of the newer features like native USB 3.0 support. An investment in the 4820K only makes sense if you already own an LGA2011 Motherboard and could be seen as good money chasing bad given that the platform is due an upgrade. That said the 4820K is a very capable multi-core processor and it sits amongst the top handful of processors in this regard. For typical consumers a Haswell i3 will offer mostly identical response times, a lower energy footprint and a significantly more competitive price. [Nov '13 CPUPro]

MORE DETAILS

Processor Rankings (Price vs Performance) May 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]

ADVERTISEMENT

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

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

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-13600K $254Nvidia RTX 4060 $300Crucial MX500 250GB $39
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $163Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $31Corsair Vengeance LPX DDR4 3000 C15 2x8GB $37SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
If you make a purchase via one of these links, our site may earn a commission
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback