Intel Core Ultra 5 250K Plus: specs and benchmarks

Summary

Intel started Core Ultra 5 250K Plus sales 11 March 2026 at a recommended price of $199. Based on an Arrow Lake Refresh architecture, this desktop processor is primarily aimed at home systems. It has 18 cores and 18 threads, and is based on 3 nm manufacturing technology, with a max turbo frequency of 5300 MHz and an unlocked multiplier.

Compatibility-wise, this is Intel Socket 1851 processor with a TDP of 125 Watt. It supports DDR5 memory.

Primary details

Core Ultra 5 250K Plus processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in the ranking	not rated
Place by popularity	not in top-100
Market segment	Desktop processor
Designer	Intel
Manufacturer	TSMC
Architecture codename	Arrow Lake Refresh (2026)
Release date	11 March 2026 (recently)
Launch price (MSRP)	$199	of 19,000 (Xeon 6788P)

Detailed specifications

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores	18 (Octadeca-Core)
Threads	18
Base clock speed	4.2 GHz	of 4.7 GHz (Ryzen Threadripper PRO 9945WX)
Boost clock speed	5.3 GHz	of 6.2 GHz (Core i9-14900KS)
L1 cache	192 KB (per core)	of 80 KB (EPYC 9965)
L2 cache	3 MB (per core)	of 2 MB (Xeon 6980P)
L3 cache	30 MB (shared)	of 1152 MB (EPYC 9684X)
Chip lithography	3 nm
Die size	243 mm2
Number of transistors	17,800 million	of 135,240 million (EPYC 9684X)
64 bit support	+
Unlocked multiplier	+

Compatibility

Information on Core Ultra 5 250K Plus compatibility with other computer components and devices: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	of 8 (Xeon Platinum 8454H)
Socket	1851
Power consumption (TDP)	125 Watt	of 500 Watt (EPYC 9755)

Technologies and extensions

Technological capabilities and additional instructions supported by Core Ultra 5 250K Plus. You'll probably need this information if you require some particular technology.

AES-NI	+
AVX	+
vPro	+
Enhanced SpeedStep (EIST)	+
SIPP	+

Security technologies

Processor technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

Virtualization technologies

Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.

VT-d	+
VT-x	+

Memory specs

Types, maximum amount and channel number of RAM supported by Core Ultra 5 250K Plus's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory types

DDR5

Graphics specifications

General parameters of a GPU integrated into Core Ultra 5 250K Plus.

Integrated graphics card

Arc Xe-LPG Graphics 64EU

Peripherals

Specifications and connection types of supported peripherals.

PCIe version	5.0
PCI Express lanes	24	of 144 (Threadripper PRO 7955WX)

Benchmark performance

Single-core and multi-core benchmark results of Core Ultra 5 250K Plus. Overall benchmark performance is measured in points in 0-100 range, higher is better.

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