Intel Core Ultra 5 225 3.3GHz 6x P-Cores 4x E-Cores LGA1851

Description

Arrow Lake at 65W — Accessible and Efficient

The 225 is the non-overclockable member of the Arrow Lake Series 2 desktop lineup, sharing the same TSMC 3nm compute tile as the K-series chips but configured with 6 P-cores, 4 E-cores, and a halved base TDP of 65W. The reduced E-core count and lower power envelope make it a straightforward choice for productivity-focused builds, compact desktops, and systems where power efficiency matters more than peak multi-threaded throughput. Intel Thread Director is present, dynamically assigning workloads to the right core type at the right time without user intervention. The multi-chiplet Foveros 3D architecture connects the CPU, graphics, and SoC tiles across different process nodes for a balanced mix of performance and efficiency.

Xe-LPG Integrated Graphics

The 225 features Intel’s Arc Xe-LPG integrated graphics with 4 Xe cores — the same architecture as the K-series Arrow Lake processors, bringing DirectX 12 Ultimate support, hardware ray tracing, and a meaningful step up from the older Xe-LP iGPU found in previous Intel desktop generations. This makes the 225 a practical choice for builds that need display output and basic graphical capability without a discrete GPU, including office workstations, compact builds, and home productivity systems.

Platform Considerations

The 225 requires an Intel 800-series LGA 1851 motherboard — it is not compatible with LGA 1700 boards. DDR5 memory is supported up to 6400 MT/s in single DIMM-per-channel configurations. The multiplier is locked on this SKU, meaning CPU frequency overclocking is not available. The integrated NPU delivers up to 23 TOPS for AI-accelerated workloads in compatible applications. Note that Intel 800-series motherboards without the Z890 overclocking chipset — such as B860 and H870 boards — are the natural pairing for this processor.

⚠️ No cooler included — a quality tower air cooler is sufficient for this 65W processor.

Key Highlights:

• 10 cores (6 P-cores + 4 E-cores) / 10 threads, Arrow Lake Series 2 (TSMC 3nm)
• P-core base: 3.3 GHz | P-core max turbo: 4.9 GHz
• E-core base: 2.7 GHz | E-core max turbo: 4.4 GHz
• 20MB L3 Smart Cache + 22MB L2 cache
• LGA 1851 socket | DDR5 support (up to 6400 MT/s) | PCIe 5.0 & 4.0
• 65W base power / 121W maximum turbo power
• Integrated Intel Arc Xe-LPG graphics (4 Xe cores) — DirectX 12 Ultimate, hardware ray tracing
• Integrated NPU — up to 23 TOPS for AI workloads
• Intel Thread Director — automatic P-core/E-core workload scheduling
• Multiplier locked — CPU frequency overclocking not available
• Compatible with Intel 800-series LGA 1851 motherboards (B860, H870, Z890)

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