Intel Core 9 273PTE vs Intel Core i5-14450HX Comparison

Intel Core 9 273PTE and Intel Core i5-14450HX occupy similar performance territory in the database, with the Core i5 holding a slightly higher average benchmark score of 32040 against 31143 for the Core 9. Both processors sit at the 82nd percentile among all CPUs tracked, indicating they deliver comparable overall capability despite their different design targets. The head-to-head results show a split of 11 wins for the Core 9 273PTE and 6 wins for the Core i5-14450HX across the 17 recorded tests, but the margins tell a more nuanced story than the raw win count.

Head-to-Head Benchmarks

The Cinebench suite is uniformly favorable to the Intel Core 9 273PTE. Across all six Cinebench tests, the Core 9 leads by a narrow but consistent margin. In Cinebench R15 multicore, the Core 9 scores 2060 against 2026 for the Core i5, a 1.7% advantage. The single-core R15 result shows 290 versus 285, a 1.8% edge. This pattern repeats in R20 multicore (8586 versus 8445, 1.7%), R20 single-core (1212 versus 1191, 1.8%), R23 multicore (20445 versus 20108, 1.7%), and R23 single-core (2886 versus 2838, 1.7%). The consistency of these deltas suggests the Core 9 273PTE has a small architectural advantage in rendering workloads that scales evenly across both multicore and single-threaded tasks.

The PassMark suite reveals a different competitive landscape. The Core i5-14450HX claims victory in data compression with a score of 278538 against 258704, a 7.1% margin. Data encryption also favors the Core i5 at 15574 versus 14253, an 8.5% lead. Extended instructions go to the Core i5 as well, 17207 versus 15952, a 7.3% difference. Random string sorting is another Core i5 win, 29565 versus 28973, though by a narrower 2% margin. The PassMark single-thread test shows the Core i5 ahead at 3643 versus 3433, a 5.8% advantage.

The Core 9 273PTE counters with substantial wins in compute-heavy PassMark workloads. The largest single margin in the entire comparison appears in find prime numbers, where the Core 9 scores 142 against 98, a 44.9% advantage. Physics simulation also shows a large gap, 1917 versus 1475, a 30% lead. Floating point math favors the Core 9 at 60673 versus 58037, a 4.5% edge, while integer math shows 82411 against 78330, a 5.2% advantage. PassMark multithread rounds out the Core 9 wins at 24054 versus 23680, a 1.6% margin.

The average benchmark scores place these chips close together, with the Core i5 at 32040 and the Core 9 at 31143. The nearest rivals in the database confirm this positioning. The Core 9 273PTE sits within 0.2% of the Intel Core i7-12700F (31081) and AMD Ryzen 9 8945HS (31074), 0.4% ahead of the Intel Core i7-13700TE (31028), and 0.5% behind the Intel Core i7-12650HX (31290). The Core i5-14450HX is similarly clustered, within 0.1% of the Intel Core i7-13705H (32076), 0.2% of the Intel Core i5-14400 (32115), 0.3% of the Intel Core i7-12800H (32121), and 0.6% of the Intel Core i9-11900 (32226). These tight deltas indicate that both processors compete in a crowded performance band where individual workload characteristics matter more than raw aggregate scores.

Architecture Differences

The Core 9 273PTE is built on the Bartlett Lake platform, while the Core i5-14450HX uses Raptor Lake-HX Refresh architecture. Both are manufactured on Intel's 10 nm process node and fabricated by Intel. The Core 9 belongs to the Core 9 generation family, whereas the Core i5 is part of the Core 14th Gen series. These architectural lineages explain the performance patterns observed in the benchmarks.

Core configuration differs significantly. The Core 9 273PTE provides 12 cores and 24 threads, while the Core i5-14450HX offers 10 cores and 16 threads. This 20% core count advantage and 50% thread advantage for the Core 9 helps explain its wins in heavily parallel workloads like physics simulation and prime number finding. The Core i5 counters with higher clock speeds, a 2.40 GHz base clock versus 1.40 GHz for the Core 9, and a 4.80 GHz boost clock versus 5.50 GHz for the Core 9. Interestingly, the Core 9 has the higher boost ceiling despite the lower base clock.

Cache hierarchies also diverge. Both processors share the same L1 cache configuration at 80 KB per core and identical L2 at 2 MB per core. The L3 cache, however, is markedly different, with the Core 9 featuring 36 MB shared versus 20 MB shared for the Core i5. This 16 MB L3 advantage likely contributes to the Core 9's stronger performance in workloads with large working sets.

The memory subsystem shows both similarities and differences. Both support DDR4 and DDR5 memory over a dual-channel bus, and both support ECC memory. The Core 9 lists a memory bandwidth of 89.6 GB/s, while the Core i5 has no recorded bandwidth figure in the database. PCIe connectivity is identical on paper, with Gen 5 and 16 lanes from the CPU. Integrated graphics differ, with the Core 9 using UHD Graphics 730 and the Core i5 using UHD Graphics 710.

Physical specifications separate the two clearly. The Core 9 targets the desktop segment with an Intel Socket 1700 package, while the Core i5 is a mobile part on Intel BGA 1964. The Core i5 has a recorded die size of 257 mm², while the Core 9 has no die size listed. Thermal design power also differs, with the Core 9 rated at 45 W and the Core i5 at 55 W. The Core 9 has a locked multiplier, while the Core i5 offers an unlocked multiplier for overclocking.

Where Each One Wins

The Core 9 273PTE establishes its strongest case in CPU-bound parallel compute. The 44.9% lead in prime number finding and 30% advantage in physics simulation point to a processor that excels when multiple threads can be kept busy with independent work. The consistent 1.7% to 1.8% margins across all Cinebench versions reinforce this, showing that rendering workloads, whether single or multi-threaded, favor the Core 9. Integer math at 5.2% and floating point math at 4.5% further support its suitability for scientific computing, engineering simulation, and other numerically intensive tasks. The larger L3 cache and higher thread count make this the better choice for sustained multithreaded workloads.

The Core i5-14450HX wins in a different set of scenarios. Its 8.5% edge in data encryption and 7.3% advantage in extended instructions suggest strengths in security-related tasks, cryptography, and workloads that leverage specialized instruction sets. The 7.1% lead in data compression indicates an advantage in file archiving and storage-related operations. The 5.8% single-thread advantage in PassMark, despite the Core 9's higher boost clock, is notable and suggests the Core i5 achieves better single-core efficiency in certain integer-heavy tasks. Random string sorting at 2% favors the Core i5 as well, adding a data manipulation use case to its profile.

The overall benchmark average favors the Core i5 slightly, 32040 versus 31143, but this aggregate measure masks the workload-specific nature of the competition. For users running continuously parallel workloads, the Core 9 273PTE delivers measurable gains. For mixed desktop workloads involving encryption, compression, and single-threaded responsiveness, the Core i5-14450HX holds an edge. The 11 to 6 win split in favor of the Core 9 suggests it wins more individual tests, but the Core i5 wins several of the most commonly encountered everyday tasks.

Specification Differences

The two processors differ in several key specifications. Core count stands at 12 for the Core 9 273PTE versus 10 for the Core i5-14450HX. Thread count is 24 versus 16. Base clock is 1.40 GHz for the Core 9 and 2.40 GHz for the Core i5. Boost clock is 5.50 GHz for the Core 9 and 4.80 GHz for the Core i5. TDP is 45 W for the Core 9 and 55 W for the Core i5. Socket is Intel Socket 1700 for the Core 9 and Intel BGA 1964 for the Core i5. The Core 9 uses Bartlett Lake architecture, while the Core i5 uses Raptor Lake. L3 cache is 36 MB shared for the Core 9 and 20 MB shared for the Core i5. Memory bandwidth is recorded as 89.6 GB/s for the Core 9 and not listed for the Core i5. Integrated graphics are UHD Graphics 730 for the Core 9 and UHD Graphics 710 for the Core i5. Market segment is Desktop for the Core 9 and Mobile for the Core i5. The Core 9 has a locked multiplier, while the Core i5 has an unlocked multiplier. Die size is listed as 257 mm² for the Core i5 and not recorded for the Core 9. Release dates differ, with the Core 9 released later than the Core i5.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core 9 273PTE has 12 cores and 24 threads. The Intel Core i5-14450HX has 10 cores and 16 threads.

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

A: The Core 9 273PTE scores 20445 in Cinebench R23 multicore, while the Core i5-14450HX scores 20108. This gives the Core 9 a 1.7% advantage.

Q: Which processor is faster in single-threaded PassMark tests?

A: The Intel Core i5-14450HX is faster in the PassMark single-thread test, scoring 3643 compared to 3433 for the Core 9 273PTE, a 5.8% difference.

Q: What is the largest performance gap between the two processors?

A: The largest gap is in the PassMark find prime numbers test, where the Core 9 273PTE scores 142 against 98 for the Core i5-14450HX, a 44.9% advantage for the Core 9.

Q: Do both processors support the same memory types?

A: Yes, both support DDR4 and DDR5 memory over a dual-channel bus, and both support ECC memory. The Core 9 lists a memory bandwidth of 89.6 GB/s, while the Core i5 has no recorded bandwidth figure.

Q: Which workloads favor the Intel Core i5-14450HX?

A: The Core i5-14450HX wins in data compression by 7.1%, data encryption by 8.5%, extended instructions by 7.3%, random string sorting by 2%, and PassMark single-thread by 5.8%. These results indicate strengths in encryption, compression, and certain single-threaded tasks.