Intel Core i5-13500T vs Intel Core Ultra 5 135H Comparison

The Intel Core Ultra 5 135H and the Intel Core i5-13500T represent two distinct approaches to 14-core processing: one is a mobile-first Meteor Lake part with a low 28W TDP, while the other is a desktop-oriented Raptor Lake-S chip with a 35W TDP. The benchmark data reveals a clear split: the desktop i5-13500T dominates the majority of tests, winning 13 of 17 head-to-head comparisons, but the mobile Ultra 5 135H secures four decisive victories in specific workloads that highlight its architectural strengths. The average benchmark scores are close — 29,093 for the Ultra 5 135H against 28,670 for the i5-13500T — yet the distribution of wins tells a more nuanced story about where each processor excels.

Where Each One Wins

The Intel Core i5-13500T is the general-purpose workload champion. Its wins span multi-core rendering in Cinebench R15 and R20, single-core performance across all Cinebench versions, and a broad swath of PassMark tests including data compression, encryption, extended instructions, floating-point math, integer math, and multithreaded performance. The data shows a consistent pattern: for most compute tasks, the desktop chip holds an edge, often by margins in the double digits. Its 20 threads versus the Ultra 5 135H’s 18 threads provide a structural advantage in heavily parallelized applications, while its higher single-core scores in every Cinebench test indicate better per-thread efficiency in those specific rendering workloads.

The Intel Core Ultra 5 135H wins where its architecture demonstrates specialized strength. Its most dramatic victory is in PassMark physics, where it scores 1,482 against the i5-13500T’s 1,112 — a 33.3% advantage. It also wins Cinebench R23 multi-core by 7.7%, reversing the trend seen in R15 and R20. The passmark_find_prime_numbers test shows a 21.9% lead, and the Ultra 5 135H edges out a narrow 0.3% win in random string sorting. These results suggest the Meteor Lake design excels in certain integer-heavy or physics-simulation workloads, even when the overall thread count is lower. The data indicates the Ultra 5 135H is not merely a power-sipping alternative; it is genuinely faster in specific computational niches.

Architecture Differences

The two processors diverge significantly in their underlying designs. The Ultra 5 135H is built on Intel’s Meteor Lake architecture using a 7nm process node, while the i5-13500T uses Raptor Lake on a 10nm node. This generational difference explains part of the performance variance — the newer node allows the mobile chip to achieve competitive results at a 28W TDP compared to the i5-13500T’s 35W TDP. The die size also differs, with the i5-13500T measuring 215 mm² while the Ultra 5 135H’s die size is not disclosed in the data.

Core and cache configurations show meaningful variations. Both have 14 cores, but the Ultra 5 135H has 18 threads while the i5-13500T has 20, indicating a different hybrid core arrangement. L1 cache is 112 KB per core on the Ultra 5 135H versus 80 KB per core on the i5-13500T, and L2 cache is 2 MB per core versus 1.25 MB per core respectively. However, the i5-13500T compensates with a larger shared L3 cache of 24 MB compared to 18 MB on the Ultra 5 135H. These cache hierarchies likely influence the benchmark outcomes, with the larger L3 helping the desktop chip in data-heavy workloads while the larger per-core L1 and L2 benefit the mobile part in latency-sensitive tasks.

Memory support and PCIe capabilities also differ. The Ultra 5 135H supports DDR5 with memory bandwidth rated at 89.6 GB/s, while the i5-13500T supports both DDR4 and DDR5 but has no bandwidth figure listed. The i5-13500T offers Gen 5 PCIe with 20 lanes, while the Ultra 5 135H provides Gen 5 with 8 lanes. Integrated graphics differ as well: the Ultra 5 135H features Arc Xe-LPG 96EU, while the i5-13500T has UHD Graphics 770. The sockets are incompatible — Intel BGA 2049 for the mobile chip versus Intel Socket 1700 for the desktop part — and neither supports ECC memory.

Head-to-Head Benchmarks

The largest wins for the i5-13500T come in compute-heavy PassMark tests. In integer math, it scores 84,427 against 73,509, a 12.9% advantage. Floating-point math shows a similar gap: 61,640 versus 54,867, an 11% lead. Data compression favors the desktop chip by 7.3% (271,348 vs 251,651), and extended instructions show a 9.5% margin (16,599 vs 15,028). Multi-core Cinebench results are mixed: the i5-13500T wins R15 by 11.7% (1,945 vs 1,718) and R20 by 2.2% (8,011 vs 7,834), but the Ultra 5 135H reverses this in R23, winning 11,875.5 versus 11,028 — a 7.7% swing. Single-core results consistently favor the i5-13500T, with margins of 1.2% in R15 (247 vs 244), 2.2% in R20 (1,130 vs 1,105), and 3.1% in R23 (1,754 vs 1,700).

The Ultra 5 135H’s wins are concentrated in three PassMark tests plus the R23 multi-core result. The physics test is its standout, with a 33.3% lead (1,482 vs 1,112). Prime number finding shows a 21.9% advantage (89 vs 73). Random string sorting is nearly tied, with a 0.3% edge (28,980 vs 28,893). The R23 multi-core win is notable because it directly contradicts the R15 and R20 results, suggesting the Ultra 5 135H scales better in longer, more sustained rendering workloads. PassMark multithread is nearly identical, with the i5-13500T leading by just 1% (22,654 vs 22,422). Single-thread PassMark scores favor the i5-13500T by 1.6% (3,580 vs 3,521).

The Verdict

The data presents a clear choice based on workload priorities. The Intel Core i5-13500T is the better all-around performer for users who need consistent strength across a wide range of applications. It wins the majority of tests — 13 of 17 — and its margins in integer math, floating-point math, and data compression are substantial enough to matter in real-world productivity tasks. Its 20 threads and larger L3 cache make it a stronger candidate for multitasking and data-heavy workflows. The 80th percentile ranking versus 81st for the Ultra 5 135H is nearly identical, but the desktop chip’s average benchmark score of 28,670 trails the mobile part’s 29,093, reflecting the impact of the Ultra 5 135H’s outsized wins in physics and prime number tests.

For users targeting physics simulations, prime number calculations, or certain Cinebench R23 rendering workloads, the Intel Core Ultra 5 135H is the data-backed choice. Its 33.3% physics lead and 21.9% prime number advantage are not marginal — they indicate genuine architectural superiority in those specific domains. The mobile chip also achieves these results at a lower 28W TDP, making it the more efficient option in the tests it wins. While the i5-13500T offers a higher boost clock of 4.60 GHz matching the Ultra 5 135H, the mobile part’s 3.60 GHz base clock versus 1.60 GHz for the desktop chip suggests a different power delivery strategy that pays off in sustained multi-core workloads.

FAQ

Q: Which processor has more threads?

A: The Intel Core i5-13500T has 20 threads, while the Intel Core Ultra 5 135H has 18 threads, despite both having 14 cores.

Q: What is the largest benchmark margin between the two processors?

A: The largest margin is in PassMark physics, where the Intel Core Ultra 5 135H scores 1,482 against the i5-13500T’s 1,112, a 33.3% advantage.

Q: How do the two chips compare in Cinebench R23 multi-core?

A: The Intel Core Ultra 5 135H wins Cinebench R23 multi-core with a score of 11,875.5, beating the i5-13500T’s 11,028 by 7.7%.

Q: Which processor has a larger L3 cache?

A: The Intel Core i5-13500T has a larger shared L3 cache of 24 MB, while the Intel Core Ultra 5 135H has 18 MB.

Q: What are the integrated graphics options for each processor?

A: The Intel Core Ultra 5 135H features Arc Xe-LPG 96EU, while the Intel Core i5-13500T has UHD Graphics 770.

Q: How close are the average benchmark scores?

A: The Intel Core Ultra 5 135H has an average benchmark score of 29,093, while the Intel Core i5-13500T scores 28,670, a difference of 423 points.