Intel Core Ultra 5 225F

The Intel Core Ultra 5 225F is a 10-core, 10-thread desktop processor from Intel's Core Ultra Series 2, built on the Arrow Lake architecture at TSMC's 3nm node, with a launch MSRP of $231. It sits at the 90th percentile among all CPUs in the database, with an average benchmark score of 38,305. The nearest-rival data shows a remarkably tight cluster: the 225F is separated from its four closest competitors by no more than 0.5%, placing it in a performance tier where architectural differences translate to negligible aggregate deltas.

Benchmark Performance

The 225F delivers a Cinebench R23 multi-core score of 26,645 and a single-core score of 3,761. In the older R20 suite, it posts 11,190 multi-core and 1,579 single-core, while R15 yields 2,685 and 378 respectively. These numbers show consistent scaling across Cinebench generations, with the single-core scores tracking a narrow band — a sign of a well-tuned boost implementation reaching 4.90 GHz. Passmark results reinforce the picture: 31,348 in multithread, 4,463 in single-thread, and an average benchmark score of 38,305.

The aggregate score places the chip at the 90th percentile of all CPUs, meaning it outperforms the vast majority of processors in the database. Yet the nearest-rival deltas are startlingly small. Against the Intel Core i5-14490F (average 38,288), the delta is exactly 0%. Against the Intel Core i5-13600HX (38,324), again 0%. The AMD Ryzen AI 9 HX 370 trails by 0.3%, and the Intel Xeon w3-2525 by 0.5%. These margins are effectively within noise, which suggests the 225F does not merely compete with these parts — it is statistically indistinguishable from them in aggregate throughput.

Passmark sub-tests reveal where the chip's character lies. Data compression scores 313,469, a strong showing for archive and file-handling workloads. Encryption reaches 22,696, and extended instructions hit 28,492. Integer math (66,443) and floating-point math (92,965) both indicate solid compute density, while physics simulation scores 2,566 and random string sorting reaches 37,696. The find prime numbers test returns 354, a relatively low figure that reflects the 10-thread ceiling in a workload that scales aggressively with additional threads — a hint that the chip's multi-threaded scaling has limits.

How It Compares

vs Intel Core i5-14490F: The delta is 0%, with the 225F averaging 38,305 against the i5-14490F's 38,288. These two processors are statistically identical in aggregate performance. The 225F matches a previous-generation i5 with the same core count, implying that Arrow Lake's architectural improvements offset any clock or cache differences.

vs Intel Core i5-13600HX: Another 0% delta, with the 13600HX scoring 38,324. The 225F, a desktop part, matches a mobile HX-series chip that typically enjoys higher power headroom. The data implies the 225F's per-core efficiency — enabled by the 3nm process — compensates for any platform advantages the HX chip might hold.

vs AMD Ryzen AI 9 HX 370: The 225F leads by 0.3%, with the AMD part scoring 38,195. This is a slim margin, but the data shows Intel edging ahead in aggregate. The Ryzen AI 9 is a mobile-first processor with integrated AI acceleration, yet the 225F's pure CPU throughput still comes out on top.

vs Intel Xeon w3-2525: The 225F leads by 0.5%, with the Xeon scoring 38,122. A 65W desktop chip outpacing a workstation-class Xeon in average benchmark score is a notable result. The Xeon likely offers other platform features — ECC, larger memory support — but on raw aggregate compute, the 225F holds the advantage.

Power and Thermals

The 225F carries a 65W TDP, placing it firmly in the mainstream power envelope. Built on TSMC's 3nm process with 17,800 million transistors on a 243 mm² die, the chip achieves its performance with a modest power budget. The 65W rating means a standard tower air cooler is sufficient; there is no need for exotic liquid cooling or oversized heatsinks. The absence of integrated graphics — the F suffix — removes the iGPU's power draw entirely, leaving the CPU's own thermal load as the sole consideration. The 4.90 GHz boost clock is reachable within this envelope, and the 3.30 GHz base clock ensures sustained throughput under continuous load. The data suggests a strong performance-per-watt profile, consistent with a 3nm process design.

Platform and Compatibility

The 225F uses Intel Socket 1851, the platform for Arrow Lake desktop processors. Memory support is DDR5 in a dual-channel configuration, with a bandwidth of 102.4 GB/s. PCIe connectivity is Gen 5 with 20 CPU lanes, providing ample bandwidth for a modern GPU and high-speed NVMe storage. ECC memory is not supported, which positions this chip for consumer desktop builds rather than workstation or server roles. The multiplier is locked — multiplierUnlocked is false — so overclocking is not available; performance tuning is limited to memory and platform settings. The release date of 2025-01-06 places it in the current generation, and production status is active. The lack of integrated graphics means a discrete GPU is mandatory; this is not a processor for troubleshooting, headless servers, or budget builds without a graphics card.

Who Should Consider It

For gaming, the 225F's single-thread performance — 4,463 in Passmark single-thread and 3,761 in Cinebench R23 single-core — is strong. Games that favor high single-core clocks will see responsive frame pacing. The 65W TDP also makes it suitable for compact or thermally constrained gaming systems where power draw and heat output are concerns.

For content creation, the multi-core scores — 26,645 in R23 and 31,348 in Passmark multithread — indicate capable rendering and video encoding throughput. The 10-core, 10-thread configuration handles threaded workloads efficiently, though workloads that scale beyond 10 threads will not see additional gains. The data compression score of 313,469 suggests strong archival and compression performance, useful for large media libraries.

For office and productivity, the integer math score of 66,443 and floating-point math of 92,965 cover spreadsheet, database, and general compute tasks with headroom. The 90th percentile ranking means it outperforms the vast majority of installed CPUs, making it a solid choice for demanding productivity workflows. However, the 10-thread ceiling is a consideration for heavily parallel office tasks like batch file processing or large-scale data transformation, where chips with more threads might scale better — though the near-zero deltas against rivals suggest this limitation does not manifest in aggregate scores.

Single-Thread vs Multi-Thread Behavior

The 225F's single-thread score of 4,463 (Passmark) and 3,761 (Cinebench R23) represents a strong per-core capability. The multi-thread scores — 31,348 and 26,645 respectively — show a scaling factor of roughly 7.0x from single to multi-threaded execution across 10 threads. This is a reasonable scaling efficiency, though not perfect; ideal linear scaling for 10 threads would be 10x. The data implies that memory bandwidth (102.4 GB/s) and the cache hierarchy — 192 KB L1 per core, 3 MB L2 per core, and 20 MB shared L3 — are adequate for most workloads but may limit scaling in memory-bound tasks.

The R15 scores show a similar pattern: 378 single-core and 2,685 multi-core, a 7.1x scaling factor. Across all Cinebench versions, the scaling ratio remains consistent at roughly 7x, indicating that the 10-thread configuration delivers about 70% of ideal linear scaling. This is typical for a desktop part with shared caches and memory bandwidth. For lightly threaded workloads — web browsing, office applications, older games — the single-thread strength shines. For fully threaded workloads, the 225F matches rivals with different thread configurations, as shown by the near-zero deltas in the nearest-rivals data. The implication is that the 225F's per-core efficiency is high enough to overcome any thread-count disadvantage it might have relative to competing designs.

FAQ

Q: What socket does the Intel Core Ultra 5 225F use?

A: It uses Intel Socket 1851, the platform for Arrow Lake desktop processors.

Q: Does the 225F have integrated graphics?

A: No. The F suffix indicates no integrated graphics, and the FACT PACK confirms integratedGraphics is null. A discrete GPU is required.

Q: What memory and PCIe support does it offer?

A: It supports DDR5 in dual-channel configuration with 102.4 GB/s bandwidth, and PCIe Gen 5 with 20 CPU lanes.

Q: Is the multiplier unlocked for overclocking?

A: No, multiplierUnlocked is false, so the CPU cannot be overclocked via multiplier adjustment.

Q: What is the TDP and process node?

A: The TDP is 65W, and the chip is built on TSMC's 3nm process with 17,800 million transistors on a 243 mm² die.

Q: When was it released?

A: The release date is 2025-01-06, and production status is active.