Intel Core Ultra 5 225T vs Intel Core Ultra 7 265HX Comparison

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core Ultra 7 265HX has 20 cores and 20 threads, while the Intel Core Ultra 5 225T has 10 cores and 10 threads.

Q: How large is the difference in multi-threaded performance?

A: The Core Ultra 7 265HX leads by roughly 45.9% in Cinebench R23 multi-core, scoring 40,642 versus 21,971 for the Core Ultra 5 225T. The gap is similar in Cinebench R15 and R20 multi-core tests.

Q: Which processor has the higher boost clock?

A: The Intel Core Ultra 7 265HX boosts to 5.30 GHz, which is higher than the 4.90 GHz boost of the Intel Core Ultra 5 225T.

Q: Do these processors use the same process node?

A: Yes, both are built on a 3 nm process at TSMC, with identical transistor counts of 17,800 million and the same die size of 243 mm².

Q: What is the difference in integrated graphics?

A: The Core Ultra 7 265HX integrates Arc Xe-LPG Graphics with 64 execution units, while the Core Ultra 5 225T has Arc Xe-LPG Graphics with 16 execution units.

Q: Which processor has a higher percentile ranking among all CPUs?

A: The Core Ultra 7 265HX sits at the 93rd percentile, while the Core Ultra 5 225T is at the 82nd percentile.

Architecture Differences

Both processors belong to the Core Ultra Series 2 family, employ the Arrow Lake architecture, and are fabricated by TSMC on a 3 nm process. The transistor count is identical at 17,800 million, and the die size matches at 243 mm². However, the two chips serve different market segments: the Core Ultra 5 225T is a desktop part for Intel Socket 1851, while the Core Ultra 7 265HX is a mobile part on Intel BGA 2114.

The core configuration differs substantially. The Ultra 5 225T delivers 10 cores and 10 threads, indicating no hyperthreading. The Ultra 7 265HX doubles the core count to 20 cores and 20 threads, which is the primary driver of its large multi-threaded advantage. Both processors share the same per-core L1 cache of 192 KB and per-core L2 cache of 3 MB, but the shared L3 cache differs: the Ultra 5 has 20 MB, while the Ultra 7 has 30 MB.

Memory support is identical in type (DDR5), bus width (dual-channel), and bandwidth (102.4 GB/s). Both lack ECC memory support and both provide PCIe Gen 5 with 20 CPU lanes. The integrated graphics solution differs in execution unit count, with the Ultra 7's 64 EU configuration being four times larger than the Ultra 5's 16 EU configuration. The Ultra 7 also has an unlocked multiplier, whereas the Ultra 5 does not. Release dates are close, with the Ultra 5 arriving at the end of 2024 and the Ultra 7 in early 2025.

Head-to-Head Benchmarks

The recorded data shows a clean sweep for the Intel Core Ultra 7 265HX, winning all 17 head-to-head benchmark comparisons. The most dramatic gaps appear in multi-threaded workloads. In Cinebench R23 multi-core, the Ultra 7 scores 40,642 against 21,971 for the Ultra 5, a 45.9% advantage. The same margin appears in Cinebench R20 multi-core (17,069 versus 9,227) and Cinebench R15 multi-core (4,096 versus 2,214), both also at 45.9% deltas.

Single-core Cinebench results show a similar relative gap. The Ultra 7 leads by 46% in Cinebench R23 single-core (5,737 versus 3,101), and by the same 46% margin in R20 single-core (2,409 versus 1,302) and R15 single-core (578 versus 312). This indicates that the per-core performance difference is nearly as large as the core-count advantage, not merely a scaling effect from additional cores.

PassMark workloads reveal varying margins. Data compression shows a 54.3% lead for the Ultra 7 (511,817 versus 233,998), while data encryption is 53.7% ahead (39,472 versus 18,289). Random string sorting is 53.9% higher (62,458 versus 28,774), and integer math is 53.1% higher (126,954 versus 59,543). Floating point math shows a 48.8% advantage (161,605 versus 82,751), and extended instructions are 50.7% ahead (40,741 versus 20,083).

Some workloads show smaller deltas. The physics test has the Ultra 7 ahead by 31.1% (2,978 versus 2,053), and find prime numbers shows a 30% advantage (406 versus 284). The smallest difference in the entire dataset is in PassMark single-thread performance, where the Ultra 7 leads by only 3.4% (4,500 versus 4,348). This near-parity in single-threaded PassMark scoring contrasts sharply with the much larger single-core deltas in Cinebench, suggesting that the two processors are far closer in some lightly threaded workloads than in others.

The average benchmark score reinforces the overall picture. The Ultra 7 averages 63,173 across all recorded tests, while the Ultra 5 averages 30,468. That places the Ultra 7 among rivals like the Intel Core i7-13790F (average 63,080, within 0.1%) and the AMD Ryzen AI 7 450G (average 63,331, within 0.2%). The Ultra 5 sits near the Intel Core i9-11980HK (average 30,422, within 0.2%), the AMD Ryzen 5 7640HS (average 30,390, within 0.3%), and the AMD Ryzen 7 7736U (average 30,364, within 0.3%), with the Intel Core i5-13600H slightly ahead at 30,548 (a 0.3% delta).

Specification Differences

The two processors differ in several recorded specifications. Core count is 10 versus 20, and thread count is 10 versus 20. Base clock speeds are 2.50 GHz for the Ultra 5 and 2.60 GHz for the Ultra 7. Boost clocks are 4.90 GHz and 5.30 GHz respectively. The TDP rating is 65 watts for the Ultra 5 and 55 watts for the Ultra 7, meaning the higher-performing mobile part carries a lower power envelope in the database.

The socket types differ: Intel Socket 1851 for the desktop Ultra 5, Intel BGA 2114 for the mobile Ultra 7. The codenames also differ, with Arrow Lake-S for the Ultra 5 and Arrow Lake-HX for the Ultra 7, though both fall under the Arrow Lake architecture. The generation labels are Ultra 5 (Arrow Lake) and Ultra 7 (Arrow Lake-HX). The L3 cache is 20 MB shared on the Ultra 5 versus 30 MB shared on the Ultra 7. Integrated graphics execution units are 16 EU versus 64 EU. The market segment is Desktop for the Ultra 5 and Mobile for the Ultra 7. The Ultra 7 has an unlocked multiplier; the Ultra 5 does not. The part number for the Ultra 7 is recorded as SRVFH, while the Ultra 5 part number is unknown.

The remaining specifications are identical: process node (3 nm), foundry (TSMC), transistors (17,800 million), die size (243 mm²), memory support (DDR5), memory bus (dual-channel), memory bandwidth (102.4 GB/s), ECC support (false), PCIe configuration (Gen 5, 20 lanes CPU only), and production status (Active).

Where Each One Wins

The Intel Core Ultra 7 265HX wins every recorded benchmark, so the use-case split is not about which processor performs better in any single test. Instead, the distinction lies in platform and workload context. The Ultra 7 is a mobile processor with 20 cores, a 5.30 GHz boost, and 30 MB of L3 cache. Its multi-threaded scores, such as 40,642 in Cinebench R23 and 47,985 in PassMark multithread, position it for demanding parallel workloads in a laptop form factor. Its integrated graphics with 64 execution units also provide substantially more graphics capability than the Ultra 5's 16 EU configuration.

The Intel Core Ultra 5 225T is a desktop processor with 10 cores, a 4.90 GHz boost, and 20 MB of L3 cache. Its single-threaded PassMark score of 4,348 trails the Ultra 7 by only 3.4%, meaning that in lightly threaded desktop tasks the gap is modest. Its TDP of 65 watts exceeds the Ultra 7's 55 watts, which is notable given the Ultra 5's lower performance, but the desktop socket (Intel Socket 1851) allows for conventional desktop cooling and expansion. The Ultra 5 also has a lower average benchmark score of 30,468, placing it in a different performance tier entirely.

For workloads that depend heavily on core count, cache size, and peak boost clocks, the Ultra 7 is the clear choice based on the data. For scenarios where a desktop platform is required and single-threaded PassMark performance is the primary metric, the Ultra 5 remains competitive, trailing by only 3.4% in that specific test. The data does not show any workload where the Ultra 5 wins outright.

The Verdict

The benchmark results indicate an unambiguous performance hierarchy: the Intel Core Ultra 7 265HX dominates the Intel Core Ultra 5 225T across all 17 recorded tests. The average benchmark score of 63,173 for the Ultra 7 is more than double the 30,468 for the Ultra 5, and the percentile ranking of 93 versus 82 reflects that gap. The largest margins are in multi-threaded workloads, where the Ultra 7's 20 cores and 30 MB of L3 cache deliver consistently around 45.9% to 54.3% higher scores than the Ultra 5's 10 cores and 20 MB of cache.

The smallest margin is in PassMark single-thread performance, where the Ultra 7 leads by just 3.4%. This suggests that for lightly threaded applications that rely on a single core, the two processors are nearly comparable, despite the Ultra 7's higher boost clock. However, every other test shows a substantial advantage for the Ultra 7, including a 46% lead in Cinebench single-core tests, which indicates that the Ultra 7's per-core architecture is also stronger under those specific workloads.

The choice between the two depends on platform constraints. The Ultra 7 is a mobile processor on Intel BGA 2114, suited for high-performance laptops, with a lower TDP of 55 watts and an unlocked multiplier. The Ultra 5 is a desktop processor on Intel Socket 1851, suited for desktop builds, with a higher TDP of 65 watts and a locked multiplier. Given the data, any user seeking maximum performance should select the Ultra 7 265HX, while the Ultra 5 225T only makes sense where a desktop socket is mandatory and the performance delta in single-threaded PassMark tests is acceptable.