Intel 15th Generation Processors Lineup : Complete Guide & Full Review

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Intel's 15th generation processors, based on the Arrow Lake architecture, are marketed as the Intel Core Ultra 200S Series for desktop computers . This generation introduced a new naming scheme, dropping the traditional "Core i" branding in favor of the "Core Ultra" name. It is extensive, covering everything from high-end desktop flagships to energy-efficient models and mobile processors.

Here is a comprehensive breakdown of the available processors.

  Desktop Processors (Arrow Lake-S)

The desktop processors are divided into three tiers: Core Ultra 9, Core Ultra 7, and Core Ultra 5.

Core Ultra 9 (Flagship)

The top-tier processors designed for maximum performance in gaming and heavy productivity workloads .

Model P-Cores E-Cores Total Cores/Threads P-Core Max Turbo TDP (Base / Turbo) Notes
Core Ultra 9 285K 8 16 24 / 24 5.7 GHz 125W / 250W Flagship, Unlocked (K) 
Core Ultra 9 285 8 16 24 / 24 5.4 GHz 65W / 182W Standard version (non-K) 
Core Ultra 9 285T 8 16 24 / 24 5.3 GHz 35W / 112W Energy-efficient version (T) 

Core Ultra 7 (High-Performance)

A balance of high core counts and performance for enthusiasts and creators .

Model P-Cores E-Cores Total Cores/Threads P-Core Max Turbo TDP (Base / Turbo) Notes
Core Ultra 7 270K Plus 8 16 24 / 24 5.4 GHz 125W / 250W Refresh model, Unlocked (K) 
Core Ultra 7 265K 8 12 20 / 20 5.5 GHz 125W / 250W Original model, Unlocked (K) 
Core Ultra 7 265KF 8 12 20 / 20 5.5 GHz 125W / 250W K version without integrated graphics (F) 
Core Ultra 7 265 8 12 20 / 20 5.2 GHz 65W / 182W Standard version (non-K) 
Core Ultra 7 265F 8 12 20 / 20 5.2 GHz 65W / 182W Non-K version without graphics (F) 
Core Ultra 7 265T 8 12 20 / 20 5.2 GHz (?) 35W / 112W Energy-efficient version (T) 

Core Ultra 5 (Mainstream)

The mid-range option for general productivity and gaming.

Model P-Cores E-Cores Total Cores/Threads P-Core Max Turbo TDP (Base / Turbo) Notes
Core Ultra 5 250K Plus 6 12 18 / 18 5.3 GHz 125W / 159W Refresh model, Unlocked (K) 
Core Ultra 5 245K 6 8 14 / 14 5.2 GHz 125W / 159W Original model, Unlocked (K) 
Core Ultra 5 245KF 6 8 14 / 14 5.2 GHz 125W / 159W K version without integrated graphics (F) 
Core Ultra 5 245 6 8 14 / 14 5.1 GHz 65W / 121W Standard version (non-K) 
Core Ultra 5 245T 6 8 14 / 14 5.1 GHz 35W / 114W Energy-efficient version (T) 
Core Ultra 5 235 6 8 14 / 14 5.0 GHz 65W / 121W Entry-level variant 
Core Ultra 5 235T 6 8 14 / 14 5.0 GHz 35W / 114W Energy-efficient variant 
Core Ultra 5 225 4 4 8 / 8 4.9 GHz 65W / 121W Base model 
Core Ultra 5 225F 4 4 8 / 8 4.9 GHz 65W / 121W Base model without graphics (F) 

  Upcoming & Mobile Processors

Desktop Refresh (Core Ultra 200S Plus)

Intel announced a mid-generation update known as the Core Ultra 200S Plus series, which increases core counts and improves the die-to-die interconnect for lower latency and better gaming performance .

  • Core Ultra 7 270K Plus: Replaces the 265K, adding 4 more E-cores (now 8P+16E) for a total of 24 cores. Runs at 5.4 GHz on P-cores .

  • Core Ultra 5 250K Plus: Replaces the 245K, adding 4 more E-cores (now 6P+12E) for a total of 18 cores. Runs at 5.3 GHz on P-cores .

  • Rumored Core Ultra 9 290K Plus: A potential future flagship refresh, rumored to boost up to 5.8 GHz .

Mobile Processors (Arrow Lake-HX / -H)

Intel also offers a wide range of processors for laptops and mobile workstations, including the high-performance HX and H series .

Some notable models include:

  • Core Ultra 9 290HX Plus: A new high-end mobile CPU with 24 cores and a max boost of 5.5 GHz .

  • Core Ultra 9 285HX: Flagship mobile processor without the "Plus" refresh .

  • Core Ultra 7 270HX Plus: A mobile refresh chip with 20 cores and a max boost of 5.3 GHz .

  Key Features of the 15th Gen (Arrow Lake)

  1. New Socket LGA1851: These processors require a new motherboard with the LGA1851 socket and an 800-series chipset (e.g., Z890). They are not compatible with older LGA1700 motherboards .

  2. Disaggregated Design (Chiplets): The CPU is built from multiple "tiles" on different manufacturing nodes. The compute tile is manufactured on TSMC's N3B process .

  3. No Hyper-Threading: Unlike previous generations, the P-cores no longer support Hyper-Threading. A Core Ultra 9 285K has 24 cores and 24 threads .

  4. Integrated NPU: These are the first desktop chips from Intel to include a Neural Processing Unit (NPU) for AI acceleration, branded as Intel AI Boost .

  5. DDR5 Only: The platform exclusively supports DDR5 memory and drops support for DDR4 

     

    Claire Jones
    Cloud Engineer /  Technical Writer 
    eBits Tech Platform @ ebits.icu

    ebits.icu

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