Intel Core i5-12450HX vs Intel Core i5-13400 Comparison

The Intel Core i5-12450HX and the Intel Core i5-13400 represent two distinct interpretations of Intel’s hybrid architecture, one aimed at high-performance mobile systems and the other at desktop towers. Despite sharing a 10 nm process node, the data reveals a clear performance hierarchy, with the 13400 winning 16 of 17 head-to-head benchmark comparisons. The 12450HX’s sole victory comes in Cinebench R23 single-core, where it scores 2119 against the 13400’s 1786, a significant 18.6% advantage. However, this single-threaded win is an outlier; across every other measured workload, the desktop part dominates, often by margins exceeding 25%. The verdict from the data is straightforward: the 12450HX is a specialized mobile chip with one notable strength, while the 13400 is the broadly superior processor for multi-threaded and most single-threaded tasks, though the mobile chip’s higher boost clock in one specific test hints at a more nuanced story regarding frequency behavior.

The Verdict

The benchmark data indicates that the Intel Core i5-13400 is the superior processor for virtually all compute-intensive tasks. Its win count of 16 out of 17 head-to-head comparisons is decisive, with victories ranging from a modest 5.6% in PassMark single-thread to a commanding 35.9% in Cinebench R15 multi-core. For users building a desktop system where power draw and thermals are less constrained, the 13400 is the clear choice. Its 10 cores and 16 threads provide a substantial advantage over the 12450HX’s 8 cores and 12 threads, which the data shows translates into consistent multi-threaded leads, such as the 28.6% margin in Cinebench R23 multi-core (15953 vs 11390). The 12450HX, with its 55 W TDP and mobile BGA socket, is positioned for laptops where the 13400’s 65 W desktop TDP is not applicable. The data suggests the 12450HX is best suited for users who prioritize the single-core performance of its 4.40 GHz boost clock in a mobile form factor, particularly given its surprising Cinebench R23 single-core win. However, for anyone comparing these two as potential desktop parts, the 13400’s consistent 20-35% lead in multi-threaded workloads makes it the definitive pick, and the 12450HX’s single benchmark victory does not offset its overall deficit.

FAQ

Q: Which processor has a higher average benchmark score?

A: The Intel Core i5-12450HX has a slightly higher average benchmark score of 24576, compared to the Intel Core i5-13400’s 24280. This is a marginal difference of about 1.2%, despite the 13400 winning 16 of 17 individual head-to-head tests, indicating the 12450HX’s scores are more consistent across its tested suite.

Q: Does the 12450HX ever beat the 13400 in any benchmark?

A: Yes, in the Cinebench R23 single-core test, the 12450HX scores 2119 against the 13400’s 1786, resulting in an 18.6% lead. This is the only head-to-head test where the mobile chip wins, suggesting its 4.40 GHz boost clock can outperform the 13400’s 4.60 GHz in this specific workload.

Q: How do the two chips compare in multi-core rendering performance?

A: The 13400 is significantly faster in multi-core rendering. In Cinebench R20 multi-core, it scores 8526 versus the 12450HX’s 6304, a 26.1% difference. The gap widens to 28.6% in Cinebench R23 multi-core, where the 13400 scores 15953 and the 12450HX scores 11390.

Q: Are there any differences in their memory and expansion support?

A: Both processors support DDR4 and DDR5 memory with a dual-channel bus. The key difference is in PCIe support: the 12450HX offers Gen 5 with 20 lanes (CPU only), while the 13400 offers Gen 5 with 16 lanes (CPU only).

Q: What are the differences in their integrated graphics?

A: The 12450HX comes with UHD Graphics 710, while the 13400 includes UHD Graphics 730. The data does not include benchmark scores for these iGPUs, so no performance comparison can be made from the information provided.

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

A: The 12450HX is ranked in the 77th percentile, while the 13400 is in the 76th percentile. This near-identical ranking reflects their similar average benchmark scores, despite the 13400’s overwhelming head-to-head win count.

Architecture Differences

The two processors are built on fundamentally different architectural foundations, despite sharing the same 10 nm process node and Intel as the foundry. The 12450HX is based on Alder Lake, specifically the Alder Lake-HX codename, which targets high-performance mobile workstations. In contrast, the 13400 uses the Raptor Lake architecture with the Raptor Lake-S codename, designed for desktop platforms. This architectural split is reflected in their core configurations: the 12450HX has 8 cores and 12 threads, while the 13400 increases this to 10 cores and 16 threads. Both share the same L1 cache size of 80 KB per core and L2 cache of 1.25 MB per core, but the L3 cache differs significantly. The 12450HX has 12 MB of shared L3 cache, whereas the 13400 offers 20 MB of shared L3 cache, a 66.7% increase that directly supports its multi-threaded performance advantage. The die sizes are identical at 215 mm², but the market segmentation could not be more different: the 12450HX is a mobile chip on Intel BGA 1964, while the 13400 is a desktop chip on Intel Socket 1700. These architectural differences explain why the 13400 consistently outperforms the 12450HX in multi-threaded tests; the extra cores, threads, and larger cache provide a substantial throughput advantage.

Specification Differences

The specification sheets reveal several key differences beyond the core and cache counts. The 12450HX has a base clock of 2.40 GHz and a boost clock of 4.40 GHz, while the 13400 runs at a slightly higher base of 2.50 GHz and a boost of 4.60 GHz. This 0.20 GHz boost clock advantage for the 13400 does not always translate into single-core wins, as the 12450HX’s Cinebench R23 single-core score proves. The TDPs are notably different: the mobile 12450HX is rated at 55 W, while the desktop 13400 is rated at 65 W. This 10 W difference is a direct consequence of their intended platforms, with the mobile chip designed for thermal constraints. The PCIe support also differs, with the 12450HX offering Gen 5 with 20 lanes (CPU only) versus the 13400’s Gen 5 with 16 lanes (CPU only). The integrated graphics are different as well, with the 12450HX featuring UHD Graphics 710 and the 13400 featuring UHD Graphics 730. The 12450HX has an unlocked multiplier, while the 13400 is locked, and the 12450HX’s launch MSRP is $284, while the 13400’s is $221. The release dates are also distinct, with the 12450HX launching on 2022-05-09 and the 13400 on 2023-01-03. Finally, the 12450HX has a part number of SRLGJ, while the 13400 has SRMBFSRMBP.

Head-to-Head Benchmarks

The head-to-head data paints a picture of overwhelming dominance by the 13400, with the single exception being the Cinebench R23 single-core test. The largest victory for the 13400 comes in Cinebench R15 multi-core, where it scores 2358 against the 12450HX’s 1512, a 35.9% lead. This pattern of multi-threaded dominance continues across Cinebench R20 and R23 multi-core tests, with leads of 26.1% (8526 vs 6304) and 28.6% (15953 vs 11390), respectively. The PassMark suite shows similar results: the 13400 leads by 27.1% in data compression (301481 vs 219707), 23.7% in data encryption (15880 vs 12110), 27.8% in extended instructions (19161 vs 13832), 27% in find prime numbers (74 vs 54), 26.6% in floating point math (58786 vs 43126), and 26.4% in integer math (77721 vs 57189). The 13400 also wins the PassMark multi-thread test by 23% (23719 vs 18274), the physics test by 12.7% (1244 vs 1086), and random string sorting by 24.5% (30851 vs 23306). In single-threaded tests, the 13400’s lead narrows: it wins Cinebench R15 single-core by 17.1% (257 vs 213), Cinebench R20 single-core by 26.1% (1203 vs 889), and PassMark single-thread by a much smaller 5.6% (3538 vs 3340). The 12450HX’s only victory is in Cinebench R23 single-core, where its 2119 score beats the 13400’s 1786 by 18.6%. This single win is anomalous, given the 13400’s higher boost clock, and suggests the 12450HX may have a more aggressive single-core boost behavior in this specific test.

Where Each One Wins

Based on the benchmark data, the 13400 is the clear winner in every category except one. For multi-threaded workloads—rendering, video encoding, data compression, and scientific computing—the 13400 is unequivocally superior. Its leads of 23% to 35.9% across PassMark multi-thread, Cinebench R15/R20/R23 multi-core, and all the PassMark math and compression tests make it the go-to choice for any application that scales with cores and threads. The 13400 also wins most single-threaded tests, including Cinebench R15 single-core (257 vs 213) and Cinebench R20 single-core (1203 vs 889), though its margin narrows to just 5.6% in PassMark single-thread (3538 vs 3340). The 12450HX’s sole win in Cinebench R23 single-core (2119 vs 1786) is a curious data point. It suggests that in this specific rendering workload, the 12450HX’s architecture can leverage its 4.40 GHz boost clock more effectively than the 13400’s 4.60 GHz. This makes the 12450HX a niche choice for users who prioritize this exact single-threaded rendering scenario in a mobile form factor. However, the data overwhelmingly supports the 13400 for desktop users; its 16 wins out of 17 tests, combined with a larger L3 cache and more cores, make it the superior processor for all-around performance, especially in any workload that can utilize more than a few threads.