Intel Core Ultra 5 250K Plus Desktop Processor (BX80768250K) – 18-Core, 18-Thread, Up to 5.3GHz, LGA 1851, 30MB Intel Smart Cache

The Intel Core Ultra 5 250K Plus (BX80768250K) is an LGA 1851 desktop processor with 18 (6P + 12E) cores, 18 threads and boost clocks up to 5.3GHz. Built on Core Ultra 200S Plus (Arrow Lake Refresh), with 30MB Intel Smart Cache, it is aimed at creators, streamers and power users who game and render on the same PC.

Balanced performance for gaming, creating and everyday work.

Why Core Count and Clock Speed Both Matter

Modern PCs juggle games, browsers, voice chat, streaming software and background updates at once. A processor with only a few fast cores can stutter under that mix, while one with many slow cores feels sluggish in games.

The Intel Core Ultra 5 250K Plus uses Intel’s hybrid design with 18 (6P + 12E) cores: Performance-cores handle games and foreground apps, while Efficient-cores take background tasks. Intel Thread Director helps Windows place each task on the right core, keeping frame rates steady while you multitask.

Cores, Clocks and Cache in Practice

With 18 (6P + 12E) cores, 18 threads, up to 5.3GHz and 30MB Intel Smart Cache, the Intel Core Ultra 5 250K Plus handles gaming, streaming and creative apps with headroom. Power is rated at 125W base / 159W max turbo.

Platform and Connectivity

The LGA 1851 socket supports DDR5, dual-channel (up to 256GB) and PCIe 5.0 and 4.0. Integrated graphics: Intel Graphics (4 Xe-cores). The unlocked multiplier allows overclocking on supported motherboards.

Setup Instructions

How to Install the Intel Core Ultra 5 250K Plus

1. Check your motherboard uses the LGA 1851 socket and update its BIOS to a version that supports the Core Ultra 5 250K Plus.
2. Open the socket retention mechanism, align the CPU’s markings with the socket and lower it in without force.
3. Apply thermal paste if needed and install a capable air or liquid cooler – no cooler is included.
4. Connect your display, boot into BIOS, enable your memory’s EXPO/XMP profile and install the latest chipset drivers.