Intel
intel.com › content › www › us › en › processors › processor-numbers.html
Intel® Processor Names, Numbers and Generation List
Intel Core Ultra desktop processors have suffixes K, F, KF, or T.
Intel
intel.com › product support › processors › intel® core™ processors
What Do the Letters Mean in Intel® Processor Names?
Lists the meaning of the suffix letters in Intel® Core™ Ultra Processors and Intel® Core™ Processor number.
Every Ryzen/Intel CPU suffixes and its meaning (including all obscure ones)
You got Intel's T wrong. It's not low power, it's power limited. Basically, same thing as non-T, but BIOS will use lower power limits. These are not more efficient than non-T. It's a common myth over on r/homelab More on reddit.com
What do the letters mean on CPUs?
Here's a copypasta I just made, hope it helps K - Unlocked Clock Multiplier (overclocking) F - No iGPU (Integrated Graphics) KF - Unlocked Clock Multiplier and no iGPU A/S - Special Edition KS - Special Edition, unlocked Clock Multiplier T - Low power desktop chips B - BGA processors X - "Extreme" edition processors, unlocked Clock Multiplier XE - Highest end "Extreme" edition processor, unlocked Clock Multiplier ("E" in the suffix is unrelated to the "Embedded" series) HQ (discontinued) - High power/performance Quad-Core mobile processors G (discontinued) - High performance mobile processors with built-in Vega Graphics (yes) G1/G4/G7 (discontinued) - Suffix indicating the performance tier of the iGPU in mobile processors (higher is better) U - Low power mobile processors Y - Ultra low power mobile processors H - High power/performance mobile processors HK - Highest end high power/performance mobile processors with unlocked Clock Multiplier P - Middle ground between the "U" and "H" series chips, meant to be as much power efficient as possible yet performant M - Mobile Xeon processors E - Meant for Embedded systems I might've missed some other obscure suffixes or suffix combinations, but this should be much more than enough for an average person to know about. More on reddit.com
What do all the numbers mean in processor names?
Thousands - generation of procesor Hundreds= placing that processor among its own generation More on reddit.com
The confusing state of CPU naming
The names are very confusing. Here the main clue is in the last letter - P indicates that performance is the focus while U stands for low power draw (ultra-efficient or whatever their marketing calls it). All components of the name influence what to expect of it, and as you found in this example the suffix can trump the "brand modifier" (i5, i7) when it comes to performance comparison. As such yeah, if performance is your only goal the only reliable source of comparison is tests and benchmarks. More on reddit.com
What is the difference between U and H in Intel processors?
The difference spans four areas: Performance (H is much more powerful), Power consumption (U is far more efficient — 15 W vs. 45 W+), Thermals (H runs hotter), and Battery life (U lasts much longer). Choose U for portability and H for performance.
en.valley4techs.com
en.valley4techs.com › buying guide › intel cpu suffixes explained: what k, u, h & f mean (2026)
Intel CPU Suffixes Explained: What K, U, H & F Mean (2026)
What is Intel's latest processor generation in 2025?
As of 2025, Intel's main lineups are the Core Ultra 200 Series (Arrow Lake) for desktops and Core Ultra 200H/HX (Lunar Lake and Arrow Lake-H) for laptops, featuring enhanced NPUs for AI and improved Intel Thread Director.
en.valley4techs.com
en.valley4techs.com › buying guide › intel cpu suffixes explained: what k, u, h & f mean (2026)
Intel CPU Suffixes Explained: What K, U, H & F Mean (2026)
What's the difference between an Intel HQ and H processor?
Both are laptop chips with high-performance integrated graphics. The key difference is that HQ historically guaranteed 4 physical cores, while older H models could be dual-core. From the 12th Gen onward, all H-series processors ship with at least four cores, making the HQ suffix obsolete — replaced by H and HX.
en.valley4techs.com
en.valley4techs.com › buying guide › intel cpu suffixes explained: what k, u, h & f mean (2026)
Intel CPU Suffixes Explained: What K, U, H & F Mean (2026)
Videos
Intel CPU Names Explained
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All Intel Processor Letters Explained (K, KF, F, H, U, HX, T) - ...
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Every Intel CPU Explained in 9 Minutes - YouTube
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Intel Processor and Chipset Names Explained - DIY in 5 Ep 247 - ...
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Every Intel Desktop Processor Suffix Explained As Easily As Possible ...
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Meaning of Intel processor suffixes - YouTube
Prime Tech Support
primetechsupport.com › blogs › gaming-pc-repairs › decoding-cpu-names-understanding-amd-intels-nomenclature
Decoding CPU Names: Understanding AMD & Intel's Nomenclature
March 29, 2024 - For instance, in the Intel® Core™ series, 'U' means the processor is for power-efficient laptops or 2-in-1s. 'XE' stands for "extreme edition." This is for desktops built for top performance. Each suffix gives a quick idea of what the processor is best for. It helps to understand the intended use of each processor. This is especially useful when choosing the right processor for your needs. To understand what a processor suffix indicates, consult the list ...
Reddit
reddit.com › r/hardware › every ryzen/intel cpu suffixes and its meaning (including all obscure ones)
r/hardware on Reddit: Every Ryzen/Intel CPU suffixes and its meaning (including all obscure ones)
April 15, 2025 -
I have noticed that CPU suffix meanings are scattered across a lot of articles and posts so I decided to compile them into 1 big spreadsheet (sources are in the spreadsheet)
https://docs.google.com/spreadsheets/d/15dfYTVEGOiasL6tMgtv3Zc7OFSAlp66Resnf05IfiFM/edit?gid=0#gid=0
What do you think about it?
Please let me know if there are any errors or something I missed
Top answer 1 of 5
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You got Intel's T wrong. It's not low power, it's power limited. Basically, same thing as non-T, but BIOS will use lower power limits. These are not more efficient than non-T. It's a common myth over on r/homelab
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This is amazing. Been looking at a laptop for my wife. This helps a lot
Seagate Refurbished
renewtech.com › home › blog
Intel CPU Naming Convention Guide
March 6, 2025 - Confused by Intel CPU names? This guide explains the Intel CPU naming convention, model numbers, suffixes, and Xeon tiers to help businesses choose the right processor.
Valley4Techs
en.valley4techs.com › buying guide › intel cpu suffixes explained: what k, u, h & f mean (2026)
Intel CPU Suffixes Explained: What K, U, H & F Mean (2026)
March 27, 2026 - I'm Mostafa Amaan, and after years of following the processor market and testing dozens of machines, I've noticed the most common mistake buyers make: they grab an "i7" assuming it's the most powerful option, only to discover later that an identically priced "i5-K" blows it away in gaming. In this comprehensive guide, I'll walk you through Intel's entire Core naming system from start to finish — tiers, generation and performance numbers, and every suffix letter you might encounter, including the new ones Intel introduced with its latest generations.
Sunany
sunany.com › the-meaning-of-cpu-suffix-letters.html
The Meaning of CPU Suffix Letters - Intel CPU point of sale system vendors & factory - Shenzhen Sunany Technology Limited
October 26, 2021 - Below is a list of Intel CPU suffix letters: H: High performance graphics; K:Unlocked frequency multiplier, which is typically much more expensive gamer CPUs; M: Mobile as in laptops, tablets and so on; Q: Quad-core; S: Performance-optimized lifestyle; T: Power-optimized lifestyle and typically ...
Fossbytes
fossbytes.com › home › more › what is › the super confusing intel processors naming scheme explained!
The Super Confusing Intel Processors Naming Scheme Explained!
March 4, 2022 - The lineup ends with a letter, which, in this case, is U. Intel’s U series processors bear lower clock speeds, thereby improving the overall battery performance and cutting down the performance by a significant margin. These are only used in laptops. There are a lot of other suffixes used in both desktop and laptop processors. Here’s a list of letters at the end of Intel Processors.
Reddit
reddit.com › r/intel › what do the letters mean on cpus?
r/intel on Reddit: What do the letters mean on CPUs?
March 6, 2022 -
What is the difference between No letters/K/F/KF? I have an i3 9100f, then would I need to get another f if I was to upgrade?
Top answer 1 of 10
80
Here's a copypasta I just made, hope it helps K - Unlocked Clock Multiplier (overclocking) F - No iGPU (Integrated Graphics) KF - Unlocked Clock Multiplier and no iGPU A/S - Special Edition KS - Special Edition, unlocked Clock Multiplier T - Low power desktop chips B - BGA processors X - "Extreme" edition processors, unlocked Clock Multiplier XE - Highest end "Extreme" edition processor, unlocked Clock Multiplier ("E" in the suffix is unrelated to the "Embedded" series) HQ (discontinued) - High power/performance Quad-Core mobile processors G (discontinued) - High performance mobile processors with built-in Vega Graphics (yes) G1/G4/G7 (discontinued) - Suffix indicating the performance tier of the iGPU in mobile processors (higher is better) U - Low power mobile processors Y - Ultra low power mobile processors H - High power/performance mobile processors HK - Highest end high power/performance mobile processors with unlocked Clock Multiplier P - Middle ground between the "U" and "H" series chips, meant to be as much power efficient as possible yet performant M - Mobile Xeon processors E - Meant for Embedded systems I might've missed some other obscure suffixes or suffix combinations, but this should be much more than enough for an average person to know about.
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48
K = Unlocked With IGPU KF = Unlocked Without IGPU F = Locked Without IGPU
Cybrary
cybrary.it › blog › what-letters-at-end-of-intel-cpu-model-numbers-stand-for
What Letters at End of Intel CPU Model Numbers Stand For | Cybrary
Now that we know how to retrieve our processor name and number let us see what each letter in the "Product Line Suffix" stands for. CPUs with the letter K: this indicates that the chips multiplier is unlocked, meaning that it can be easily overclocked if you have a similarly enabled motherboard. Non-K chips have very limited overclocking functionality, so make sure you look for that K if you want to tweak your system. CPUs with the letters HK: Intel doesn't talk about it as much, but the K in HK CPUs that you occasionally see in high-end laptops also means the same thing as the letter K referenced above.
Intel
intel.com › product support › processors › intel® xeon® processors
Understanding Intel® Xeon® Processors: Numbers and Suffixes
Intel® Xeon® Processor numbers and suffixes are used to differentiate features within each processor family, not across different families. The numbers and suffixes can indicate the performance, features, and generation.
ExamCollection
examcollection.com › blog › decoding-intel-cpu-model-numbers-understanding-the-anatomy-of-processor-naming-conventions
Decoding Intel CPU Model Numbers: Understanding the Anatomy of Processor Naming Conventions – ExamCollection
For example, “11” in 11700K refers to the 11th-generation Intel Core processors. SKU Numeric Digits: The following digits represent the SKU or Stock Keeping Unit. These differentiate processors within the same generation and brand modifier, often indicating relative performance or feature sets. Product Line Suffix: This final letter or combination of letters is the key to unlocking specialized capabilities and design goals.