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. Answer from KKMasterYT on reddit.com
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.
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
Can someone please explain me Intel's cpu nomenclature?
Intel has a rough guide on their site: https://www.intel.com/content/www/us/en/processors/processor-numbers.html More on reddit.com
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 all the numbers mean in processor names?
Thousands - generation of procesor Hundreds= placing that processor among its own generation More on reddit.com
Videos
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XDA Developers
xda-developers.com › home › cpu › guide to intel processor suffixes: what the letters in cpu names mean
Guide to Intel processor suffixes: What the letters in CPU names mean
September 1, 2024 - The company has once again changed its naming convention for the new Meteor Lake chips by dropping the "Gen" and "i" branding from its CPUs and by splitting the Core chips into the regular Core series and the new Core Ultra series. The new Intel Core and Core Ultra processors use only H and U suffixes, but here's a quick look at all the ones they've used over the years:
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.
2 of 10
48
K = Unlocked With IGPU KF = Unlocked Without IGPU F = Locked Without IGPU
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
27
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
2 of 5
7
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 - Intel processors often include suffixes at the end of their model names, which indicate specific features and performance characteristics. These letters help identify whether a processor is optimized for overclocking, power efficiency, or graphics performance.
How-To Geek
howtogeek.com › home › hardware › what are the meanings of intel processor suffixes?
What are the Meanings of Intel Processor Suffixes?
July 21, 2015 - A higher number within a processor class or family generally indicates more features, but it may be more of one and less of another. Once you decide on a specific processor brand and type, compare processor numbers to verify the processor includes the features you are looking for. See the source link above for all the letter and product line suffixes.
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
Processors with the K suffix feature unlocked multipliers, which means they can be overclocked to achieve higher-than-standard clock speeds, provided the user has compatible hardware and adequate cooling. For gamers, content creators, and power users eager to extract maximum performance, a ...
ComputerCity
computercity.com › hardware › processors › intel-cpu-naming-explained
Intel Processor Naming Guide Including the New Core Ultra Series - ComputerCity
November 24, 2024 - Brand: Intel Core Ultra 5, 7, 9 (indicates relative performance level) Generation: Represented by a “1” or “2” in the processor number (e.g., “1” = first generation) SKU Number: The remaining digits in the processor number (higher numbers generally indicate better performance within a generation) Suffix: A letter at the end indicates the processor’s capabilities (see table below)