INTEL Core Ultra 9 285K Processor ( 5.7 GHz / 24 Core / 24 Threads )

The Intel Core Ultra 9 285K is Intel’s flagship Arrow Lake desktop processor, part of the Core Ultra 200 Series (Series 2). Built on a tiled architecture using Intel Foveros packaging technology, it integrates compute, graphics, and neural processing tiles to address the demands of modern productivity, creative, and AI-accelerated workloads. At the heart of the processor are 24 cores in a hybrid configuration — 8 Performance-cores (P-cores) and 16 Efficient-cores (E-cores) — with 24 threads in total. The P-cores reach a maximum Turbo Boost frequency of 5.5 GHz, while Intel Thermal Velocity Boost pushes the top single-core frequency to 5.7 GHz. The E-cores operate at up to 4.6 GHz under boost, covering multi-threaded background tasks efficiently. Base clocks are 3.7 GHz for P-cores and 3.2 GHz for E-cores. The processor carries 36 MB of Intel Smart Cache alongside 40 MB of total L2 cache, ensuring ample bandwidth for compute-intensive tasks. Processor Base Power is rated at 125 W with a Maximum Turbo Power of 250 W, making a capable third-party cooler essential for sustained performance. A standout feature of Arrow Lake is the inclusion of the Intel AI Boost NPU, rated at 13 TOPS (Int8), enabling device AI inference workloads such as Windows Studio Effects without burdening the CPU or GPU. The integrated Intel Graphics tile features 4 Xe-cores, a base frequency of 300 MHz, and a peak dynamic frequency of 2 GHz, supporting up to four simultaneous displays with outputs including DisplayPort 2.1 UHBR20, HDMI 2.1 FRL (up to 8K@60Hz), and eDP 1.4b. Memory support is DDR5-only, reaching up to DDR5-6400 MT/s across two channels, with a maximum addressable capacity of 192 GB and optional ECC support. The processor fits the LGA1851 socket (FCLGA1851) and is compatible with Intel 800-series motherboards. PCIe connectivity extends to 24 lanes with PCIe 5.0 and 4.0 support. Intel Thunderbolt 4 is integrated, and the chip carries full Intel vPro Enterprise eligibility. Key Specifications: – Model: Intel Core Ultra 9 Processor 285K (BX80768285K) – Architecture: Arrow Lake (Intel Core Ultra Series 2) – Socket: LGA1851 (FCLGA1851) – Total Cores / Threads: 24 / 24 (8 P-cores + 16 E-cores) – Max Turbo Frequency: 5.7 GHz (Thermal Velocity Boost) – P-core Max Turbo: 5.5 GHz | E-core Max Turbo: 4.6 GHz – P-core Base: 3.7 GHz | E-core Base: 3.2 GHz – L3 Cache (Intel Smart Cache): 36 MB | Total L2 Cache: 40 MB – Processor Base Power: 125 W | Max Turbo Power: 250 W – CPU Lithography: TSMC N3B – Memory: DDR5 up to 6400 MT/s, 2-channel, max 192 GB, ECC supported – Integrated Graphics: Intel Graphics (4 Xe-cores), up to 2 GHz, 4 displays – NPU: Intel AI Boost, 13 TOPS (Int8) – PCIe: 5.0 and 4.0, up to 24 lanes – Thunderbolt 4: Yes – Instruction Set Extensions: SSE4.1, SSE4.2, AVX2 – Max Operating Temperature: 105 °C – Warranty: 3 Years