Intel Core i5-14400 vs Intel Core i7-12650HX Comparison

The Intel Core i5-14400 and Intel Core i7-12650HX occupy different corners of the processor market, yet their benchmark results place them in a direct competition. The i5-14400 is a desktop part built on Raptor Lake, while the i7-12650HX is a mobile processor from the Alder Lake generation. Despite the i7-12650HX having more cores and threads, the recorded data shows the i5-14400 winning every single benchmark in the head-to-head comparison, with margins ranging from a razor-thin 0.3% to a substantial 25%. This outcome is surprising given the core count disadvantage, and it points to meaningful differences in how these two chips execute workloads. The following analysis breaks down the architecture, benchmark results, and specification differences to explain why the desktop chip consistently outperforms the mobile part.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core i7-12650HX has 14 cores and 20 threads, while the Intel Core i5-14400 has 10 cores and 16 threads. The mobile chip holds a clear advantage in raw core count.

Q: Which processor wins in multi-core performance?

A: The Intel Core i5-14400 wins every multi-core benchmark. For example, in Cinebench R23 multi-core, it scores 21315 versus 19043 for the i7-12650HX, a difference of 11.9%. In PassMark multithread, the i5-14400 scores 25080 versus 22573, an 11.1% lead.

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

A: The Intel Core i5-14400 leads in all single-core tests. In Cinebench R23 single-core, it scores 3009 versus 2688 for the i7-12650HX, an 11.9% advantage. In PassMark single thread, the margin is smaller at 2.9%, with scores of 3741 versus 3637.

Q: What is the biggest performance gap between the two?

A: The largest margin is in PassMark extended instructions, where the Intel Core i5-14400 scores 19816 versus 15856 for the i7-12650HX, a 25% difference. PassMark data compression also shows a big gap at 18.1%, with scores of 314995 versus 266700.

Q: Do both processors support the same memory types?

A: Yes, both support DDR4 and DDR5 memory with a dual-channel memory bus. Neither chip has a listed memory bandwidth figure in the database.

Q: Are these processors in the same performance percentile?

A: Yes, both are in the 82nd percentile versus all CPUs. However, the average benchmark score differs: the i5-14400 averages 32115, while the i7-12650HX averages 31290.

Architecture Differences

The Intel Core i5-14400 is built on the Raptor Lake architecture, specifically the Raptor Lake-R codename, and belongs to the Core 14th Gen series. It uses a 10 nm process node fabricated by Intel, with a die size of 215 mm². The chip has 10 cores and 16 threads, with a base clock of 2.50 GHz and a boost clock of 4.70 GHz. Its cache hierarchy includes 80 KB of L1 per core, 1.25 MB of L2 per core, and 20 MB of shared L3 cache. The i5-14400 supports ECC memory, a feature often associated with workstation or server tasks. It is a desktop part with an Intel Socket 1700 and an unlocked multiplier set to false, meaning it is locked for overclocking.

The Intel Core i7-12650HX, in contrast, is based on the Alder Lake architecture, with the codename Alder Lake-HX, and is part of the Core 12th Gen family. It also uses a 10 nm process node from Intel and has the same 215 mm² die size. This mobile chip packs 14 cores and 20 threads, with a base clock listed as 2000.00 MHz (effectively 2.00 GHz) and a boost clock of 4.70 GHz. The cache configuration includes 80 KB of L1 per core, 1.25 MB of L2 per core, and a larger 24 MB of shared L3 cache. The i7-12650HX does not support ECC memory. It uses an Intel BGA 1964 socket, is designed for the mobile market segment, and has an unlocked multiplier set to true, allowing overclocking on supported platforms.

The core architecture difference is significant. The i7-12650HX has 4 more cores and 4 more threads, which should theoretically give it an edge in heavily threaded workloads. However, the i5-14400 belongs to a newer generation (Raptor Lake Refresh versus Alder Lake), and the benchmark data shows that the newer desktop design overcomes the core count deficit. The i5-14400 also has a higher base clock (2.50 GHz versus 2.00 GHz), which likely contributes to its superiority in single-threaded and lightly threaded tasks. The L3 cache is larger on the i7-12650HX (24 MB versus 20 MB), but this does not translate into a performance win in any recorded test.

Another architectural difference is the integrated graphics. The i5-14400 comes with UHD Graphics 730, while the i7-12650HX has UHD Graphics 770. Additionally, the PCIe configuration differs: the i5-14400 has Gen 5 with 16 lanes (CPU only), whereas the i7-12650HX has Gen 5 with 20 lanes (CPU only). These differences affect platform capabilities but do not appear in the CPU benchmark scores. The production status for both is listed as active, and both are manufactured by Intel.

Head-to-Head Benchmarks

The head-to-head results are unambiguous: the Intel Core i5-14400 wins all 17 recorded benchmarks, and the i7-12650HX wins none. This is a clean sweep, but the margins vary widely by workload type.

In Cinebench tests, the i5-14400 shows a consistent advantage of about 12% across the board. In Cinebench R15 multi-core, it scores 2148 against 1919, a difference of 11.9%. The single-core R15 result is 303 versus 270, a 12.2% lead. Cinebench R20 multi-core shows 8952 versus 7998 (11.9%), and R20 single-core shows 1263 versus 1128 (12%). Cinebench R23 multi-core has 21315 versus 19043 (11.9%), with single-core at 3009 versus 2688 (11.9%). These results indicate that the i5-14400 delivers a uniform performance uplift in rendering and general CPU compute tasks, regardless of thread count.

PassMark tests reveal a more varied picture. The largest margin is in extended instructions, where the i5-14400 scores 19816 versus 15856, a 25% advantage. This suggests the desktop chip handles SIMD or specialized instruction sets more efficiently. Data compression also favors the i5-14400 strongly, with a score of 314995 versus 266700, an 18.1% difference. Physics simulation shows a 21.2% lead (1396 versus 1152), and multithread performance is 11.1% higher (25080 versus 22573). Data encryption has a 9.2% margin (16731 versus 15325), and random string sorting is 8.9% ahead (32346 versus 29692). Find prime numbers shows a smaller 8.1% gap (80 versus 74), and floating point math is 5.3% higher (61549 versus 58426).

The closest contest is in integer math, where the i5-14400 scores 82017 versus 81810 for the i7-12650HX, a mere 0.3% difference. This near-tie suggests that the i7-12650HX’s additional cores help it keep pace in basic arithmetic operations, but the i5-14400 still edges ahead. Single thread performance is also close, with the i5-14400 at 3741 versus 3637, a 2.9% lead. The same margin applies to the duplicate PassMark single-thread test.

The average benchmark score from the broader database supports the trend: the i5-14400 averages 32115, while the i7-12650HX averages 31290. The i5-14400’s nearest rivals include the Intel Core i7-12800H (average score 32121, 0% difference) and the Intel Core i9-11900 (average score 32226, -0.3% difference). The i7-12650HX’s nearest rivals include the Intel Core 9 273PTE (average score 31143, 0.5% higher) and the AMD Ryzen 9 5980HX (average score 31495, -0.6% lower). This places both chips in a similar performance tier, but the i5-14400 sits slightly higher in the distribution.

Specification Differences

The two processors differ in several key specification fields. The i5-14400 has 10 cores and 16 threads, while the i7-12650HX has 14 cores and 20 threads. The base clock is 2.50 GHz for the i5-14400 and 2.00 GHz for the i7-12650HX. The boost clock is identical at 4.70 GHz for both. Thermal design power (TDP) differs: the i5-14400 is rated at 65 watts, while the i7-12650HX is rated at 55 watts.

The socket types are completely different. The i5-14400 uses Intel Socket 1700, a desktop platform, while the i7-12650HX uses Intel BGA 1964, a mobile platform. The market segment reflects this: the i5-14400 is listed as Desktop, and the i7-12650HX is listed as Mobile. The architecture differs as noted, with Raptor Lake-R versus Alder Lake-HX. The generation also differs: the i5-14400 is Core 14th Gen (Raptor Lake Refresh), while the i7-12650HX is Core 12th Gen (Alder Lake-HX).

The L3 cache is larger on the i7-12650HX at 24 MB shared, versus 20 MB shared on the i5-14400. L1 and L2 cache sizes are identical at 80 KB per core and 1.25 MB per core, respectively. ECC memory support is present on the i5-14400 but absent on the i7-12650HX. The PCIe configuration is Gen 5 with 16 lanes (CPU only) for the i5-14400, and Gen 5 with 20 lanes (CPU only) for the i7-12650HX. Integrated graphics differ: UHD Graphics 730 on the i5-14400 versus UHD Graphics 770 on the i7-12650HX.

The multiplier unlocked status differs: the i5-14400 is locked (false), while the i7-12650HX is unlocked (true). The release date is earlier for the i7-12650HX (May 2022) versus the i5-14400 (January 2024). The i5-14400 has a launch MSRP of $221, while the i7-12650HX has no listed launch MSRP. The part number for the i5-14400 is SRN3QSRN46, while the i7-12650HX has no part number listed. The die size is the same at 215 mm², and the process node is the same at 10 nm. Both support DDR4 and DDR5 memory with dual-channel bus.

The Verdict

The data points to a clear winner: the Intel Core i5-14400 outperforms the Intel Core i7-12650HX in every recorded benchmark. This is notable because the i7-12650HX has 40% more cores (14 versus 10) and 25% more threads (20 versus 16). Yet the i5-14400’s newer architecture and higher base clock deliver superior results across the board. The largest margin is 25% in extended instructions, and the smallest is 0.3% in integer math. The i5-14400 also has a higher average benchmark score (32115 versus 31290) and a higher launch MSRP of $221, though the i7-12650HX has no listed price.

For users choosing between these two, the decision hinges on platform. The i5-14400 is a desktop processor requiring an Intel Socket 1700 motherboard, while the i7-12650HX is a mobile processor soldered to a BGA 1964 board, typically in laptops. If the question is which chip offers better raw performance, the answer is the i5-14400 without qualification. The i7-12650HX’s additional cores do not translate into any benchmark win, and its lower base clock appears to be a limiting factor. The i5-14400 also supports ECC memory, which may appeal to users running reliability-sensitive workloads, whereas the i7-12650HX does not.

The i7-12650HX does have advantages in specific areas: it has a larger L3 cache (24 MB versus 20 MB), more PCIe lanes (20 versus 16), a newer integrated GPU (UHD Graphics 770 versus 730), an unlocked multiplier for overclocking, and a lower TDP (55 watts versus 65 watts). These features matter for mobile users who prioritize power efficiency or need more PCIe connectivity. However, for pure CPU performance, the recorded data shows the i5-14400 winning every test.

Where Each One Wins

The Intel Core i5-14400 wins in all computational benchmarks, making it the superior choice for any CPU-intensive task. This includes rendering (Cinebench R15, R20, R23), general productivity (PassMark multithread, data compression, encryption), scientific computing (floating point math, find prime numbers), and instruction-heavy workloads (extended instructions). The margin is especially pronounced in extended instructions (25%) and physics simulation (21.2%), suggesting the i5-14400 excels in workloads that leverage advanced instruction sets or complex calculations. Its single-core advantage (2.9% to 12.2% depending on the test) also makes it better for lightly threaded applications like older games or single-threaded productivity tools.

The Intel Core i7-12650HX wins in no benchmark, but it has structural advantages that may suit specific use cases. Its larger L3 cache (24 MB versus 20 MB) could benefit workloads with repeated data access patterns, even if the recorded tests do not show a win. Its unlocked multiplier allows overclocking on supported mobile platforms, potentially closing the gap in scenarios where power and thermal headroom are available. The lower TDP of 55 watts versus 65 watts makes it a more power-efficient choice for mobile devices, which is critical for battery life and thermal management in laptops. The integrated UHD Graphics 770 is a newer GPU than the UHD Graphics 730 on the i5-14400, which could matter for systems without a discrete graphics card.

The i7-12650HX also offers more PCIe lanes (20 versus 16), which is relevant for users connecting multiple high-speed devices such as NVMe drives or external GPUs. Its socket (BGA 1964) is not upgradeable, but it is designed for compact, all-in-one mobile systems. In contrast, the i5-14400’s Socket 1700 allows for a traditional desktop build with upgrade paths for the motherboard and other components. For a desktop user building a new system, the i5-14400 is the clear pick based on performance. For a laptop user seeking a capable mobile processor, the i7-12650HX is the only option of the two, and its unlocked multiplier and lower TDP are practical benefits despite its benchmark deficit.