Intel Core i5-14400F vs Intel Core i5-14450HX Comparison

The Intel Core i5-14400F and Intel Core i5-14450HX are both 10-core, 16-thread Raptor Lake parts from Intel’s 14th Gen lineup, but they target fundamentally different platforms. The 14400F is a desktop processor on Intel Socket 1700, while the 14450HX is a mobile part on Intel BGA 1964. Benchmark data shows the desktop chip winning 16 of 17 head-to-head comparisons, yet the mobile chip posts a notable victory in one specific workload, making the choice between them a question of platform fit and workload priority rather than raw capability.

Where Each One Wins

The Intel Core i5-14400F is the clear all-around performance leader across the vast majority of tested workloads. In Cinebench, it wins every single-core and multi-core test, with deltas consistently around 7.6–7.7% over the 14450HX. The desktop part also dominates in standard productivity and general computing benchmarks from PassMark, including multithread (7.6% ahead), integer math (4.1% ahead), floating-point math (5.7% ahead), data encryption (8.8% ahead), and random string sorting (10.5% ahead). Its largest wins come in extended instructions (15.9% ahead) and data compression (13.3% ahead), indicating a substantial edge in workloads that leverage SIMD and compression algorithms.

The Intel Core i5-14450HX has exactly one victory across the entire benchmark suite. In the PassMark find prime numbers test, the mobile chip scores 98 versus the desktop’s 86, a 12.2% advantage. This is a highly specific workload that stresses prime-number generation, and the result suggests the 14450HX’s architecture has a particular strength in this niche computation. Outside of that single test, the 14450HX trails consistently, but the margin is often modest. In PassMark single-thread, the gap narrows to just 1.6%, and in physics it is 3.3%, indicating the mobile chip remains competitive in lightly threaded and physics-based tasks. For users prioritizing the broadest set of applications, the 14400F is the obvious winner; for those running prime-number-heavy algorithms, the 14450HX offers a specific advantage.

Architecture Differences

Both processors share the same Raptor Lake architecture and are fabricated on Intel’s 10 nm process node, but their physical implementations differ considerably. The desktop Core i5-14400F has a die size of 215 mm², while the mobile Core i5-14450HX has a larger die at 257 mm². Cache configurations also diverge: the 14400F provides 1.25 MB of L2 cache per core, whereas the 14450HX doubles that to 2 MB per core. Both share 20 MB of L3 cache and 80 KB of L1 cache per core, but the larger L2 on the mobile part may explain its advantage in the prime-number test, where cache behavior can significantly affect performance.

Clock speeds are close but favor the mobile chip in boost. The 14400F has a base clock of 2.50 GHz and a boost of 4.70 GHz, while the 14450HX starts slightly lower at 2.40 GHz but boosts higher to 4.80 GHz. Thermal design power tells a different story: the desktop part is rated at 65W TDP, while the mobile part is rated at 55W TDP. The lower TDP on the 14450HX, despite a higher boost clock, reflects its mobile design and power constraints. Both support DDR4 and DDR5 memory over a dual-channel bus, and both support ECC memory. PCIe connectivity is identical at Gen 5 with 16 CPU lanes.

The biggest functional difference is integrated graphics. The 14400F has no integrated GPU, requiring a discrete graphics card for display output. The 14450HX includes Intel UHD Graphics 710, allowing it to handle display tasks without a dedicated GPU. The 14450HX also has an unlocked multiplier, enabling overclocking, while the 14400F’s multiplier is locked. Market segments reflect this: the 14400F is a desktop part, the 14450HX is mobile. The 14400F carries a launch MSRP of $196; the 14450HX has no listed launch MSRP. Both were released on the same date and remain in active production.

Head-to-Head Benchmarks

The Cinebench suite provides the clearest picture of the performance gap. In Cinebench R23 multi-core, the 14400F scores 21,645 versus 20,108 for the 14450HX, a 7.6% delta. Single-core R23 shows 3,055 versus 2,838, also 7.6% ahead. The pattern repeats in R20 (9,090 vs 8,445 multi-core; 1,283 vs 1,191 single-core) and R15 (2,181 vs 2,026 multi-core; 307 vs 285 single-core). In every Cinebench test, the delta is remarkably consistent at 7.6–7.7%, suggesting the desktop part’s higher base clock and lower TDP constraints give it a uniform advantage in render workloads.

PassMark results show a wider spread of deltas. The 14400F’s largest win is in extended instructions, scoring 19,937 versus 17,207, a 15.9% margin. Data compression follows at 13.3% (315,521 vs 278,538), and random string sorting at 10.5% (32,680 vs 29,565). Data encryption shows an 8.8% lead (16,949 vs 15,574), and multithread a 7.6% lead (25,470 vs 23,680). Smaller but still decisive wins appear in floating-point math (5.7% at 61,319 vs 58,037), integer math (4.1% at 81,524 vs 78,330), physics (3.3% at 1,523 vs 1,475), and single-thread (1.6% at 3,701 vs 3,643).

The single exception is the find prime numbers test, where the 14450HX scores 98 against the 14400F’s 86. That 12.2% delta is the only instance where the mobile chip outperforms the desktop part, and it stands out against the otherwise consistent 14400F sweep. The geekbench multi-core and single-core results are present only for the 14400F (11,268 and 2,058 respectively), with no comparable data for the 14450HX, so those cannot be used for direct comparison. Overall, the 14400F wins 16 of 17 head-to-head benchmarks, with the 14450HX taking one.

FAQ

Q: Which processor is faster in multi-core workloads?

A: The Intel Core i5-14400F is faster in every multi-core benchmark. In Cinebench R23 multi-core, it scores 21,645 versus 20,108 for the 14450HX, a 7.6% advantage. PassMark multithread shows 25,470 versus 23,680, also 7.6% ahead.

Q: Does the mobile chip beat the desktop chip in any test?

A: Yes, in the PassMark find prime numbers test. The 14450HX scores 98, while the 14400F scores 86, giving the mobile chip a 12.2% lead. This is the only head-to-head win for the 14450HX out of 17 benchmarks.

Q: What are the clock speed differences?

A: The 14400F has a base clock of 2.50 GHz and a boost clock of 4.70 GHz. The 14450HX has a lower base clock of 2.40 GHz but a higher boost clock of 4.80 GHz.

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. Their PCIe support is also identical at Gen 5 with 16 CPU lanes.

Q: Is there a difference in integrated graphics?

A: Yes. The 14400F has no integrated graphics, requiring a discrete GPU. The 14450HX includes Intel UHD Graphics 710, allowing for display output without a separate graphics card.

Q: Which processor has a higher TDP?

A: The 14400F has a TDP of 65W, while the 14450HX has a TDP of 55W. Despite the lower TDP, the 14450HX has a higher boost clock of 4.80 GHz versus 4.70 GHz on the 14400F.

The Verdict

The Intel Core i5-14400F is the superior processor in nearly every measurable way. It wins 16 of 17 benchmarks, with consistent 7.6–7.7% leads across Cinebench and larger margins in specific PassMark workloads like extended instructions (15.9%) and data compression (13.3%). Its 65W TDP and desktop platform allow it to sustain higher performance across the board, and its 215 mm² die is smaller than the mobile part’s 257 mm². For anyone building a desktop system, the 14400F is the clear choice, provided a discrete GPU is available since it lacks integrated graphics. It also carries a launch MSRP of $196, which can be stated as a fixed fact.

The Intel Core i5-14450HX is not without merit, but its strengths are narrow. Its 12.2% win in find prime numbers is real, and its larger 2 MB per-core L2 cache may be the reason. Its higher boost clock of 4.80 GHz and unlocked multiplier offer overclocking headroom, and the inclusion of UHD Graphics 710 makes it a self-contained mobile solution. In single-thread performance, the gap shrinks to just 1.6%, so the mobile chip is nearly as responsive in lightly threaded tasks. The data shows the 14450HX is a capable mobile processor that trades overall performance for portability and flexibility. Choose the 14400F for desktop performance; choose the 14450HX if the mobile platform, integrated graphics, or overclocking capability are essential.