Intel Core 7 251E vs Intel Core i5-14450HX Comparison
Intel Core 7 251E
Core i5-14450HX
PERFORMANCE BENCHMARKS
Analysis: Intel Core 7 251E vs Intel Core i5-14450HX
Head-to-Head Benchmarks
The database contains no direct head-to-head benchmark results between the Intel Core 7 251E and the Intel Core i5-14450HX. However, the recorded data for the Core i5-14450HX provides a substantial benchmark profile, while the Core 7 251E currently has no benchmark scores listed. This asymmetry shapes the analysis: the Core i5-14450HX can be evaluated against its nearest rivals, but the Core 7 251E cannot be positioned through measured performance data.
For the Core i5-14450HX, the Cinebench results show a multi-core score of 20108 in Cinebench R23 and 8445 in Cinebench R20, with single-core scores of 2838 and 1191 respectively. The Cinebench R15 multi-core score is 2026, with a single-core score of 285. Passmark results include a multithread score of 23680, single-thread score of 3643, integer math at 78330, floating point math at 58037, extended instructions at 17207, data encryption at 15574, data compression at 278538, find prime numbers at 98, random string sorting at 29565, and physics at 1475.
The Core i5-14450HX holds an 82nd percentile ranking among all CPUs, with an average benchmark score of 32040. Its nearest rivals are tightly clustered: the Intel Core i7-13705H scores 32076 (a delta of -0.1%), the Intel Core i5-14400 scores 32115 (-0.2%), the Intel Core i7-12800H scores 32121 (-0.3%), and the Intel Core i9-11900 scores 32226 (-0.6%). The data indicates the Core i5-14450HX trails each rival by less than 1% in average score, placing it statistically on par with all four.
The Core 7 251E, by contrast, has an average benchmark score of zero in the database, which precludes any direct numeric comparison. Its percentile ranking of 50 reflects the absence of measured results rather than a performance ceiling. The analysis must therefore rely on architectural and specification differences, which are substantial.
FAQ
Q: Which processor has more cores and threads?
A: The Intel Core 7 251E has 24 cores and 32 threads. The Intel Core i5-14450HX has 10 cores and 16 threads. The Core 7 251E holds a 14-core and 16-thread advantage.
Q: What are the boost clock speeds of each processor?
A: The Intel Core 7 251E boosts to 5.60 GHz. The Intel Core i5-14450HX boosts to 4.80 GHz. The Core 7 251E has a higher maximum clock speed by 0.80 GHz.
Q: How does the cache configuration differ between the two?
A: Both processors feature 80 KB of L1 cache per core and 2 MB of L2 cache per core. The L3 cache differs: the Core 7 251E has 36 MB shared L3 cache, while the Core i5-14450HX has 20 MB shared L3 cache. The Core 7 251E provides 16 MB more L3 cache.
Q: What is the market segment for each processor?
A: The Intel Core 7 251E is classified as a desktop processor, using Intel Socket 1700. The Intel Core i5-14450HX is classified as a mobile processor, using Intel BGA 1964.
Q: Do both processors support ECC memory?
A: Yes. Both the Intel Core 7 251E and the Intel Core i5-14450HX list ECC memory support as enabled.
Q: What integrated graphics do the two processors include?
A: The Intel Core 7 251E includes UHD Graphics 770. The Intel Core i5-14450HX includes UHD Graphics 710. The Core 7 251E has the higher-tier integrated graphics solution.
The Verdict
The benchmark data supports choosing the Intel Core i5-14450HX for users who require measured performance validation. Its 82nd percentile ranking and average score of 32040 place it within 0.6% of four established rivals, all of which are Intel parts spanning multiple generations. The Core i5-14450HX delivers a Cinebench R23 multi-core score of 20108 and a Passmark multithread score of 23680, which are concrete figures that can guide purchasing decisions.
The Intel Core 7 251E, however, cannot be recommended on the basis of benchmark results because the database records no scores for it. Its 24 cores, 32 threads, 5.60 GHz boost clock, and 36 MB L3 cache suggest a strong theoretical capability, but without measured data, any performance claim remains unverified. The 50th percentile ranking is a placeholder, not a verdict.
For users who prioritize a mobile form factor with an unlocked multiplier, the Core i5-14450HX offers a BGA 1964 socket, a 55 W TDP, and confirmed performance. For users who prioritize a desktop platform with a higher core count, larger cache, and faster boost clock, the Core 7 251E presents a compelling specification sheet, but the absence of benchmark data means its actual performance cannot be confirmed from the database.
Specification Differences
| Specification | Intel Core 7 251E | Intel Core i5-14450HX |
| --- | --- | --- |
| Cores | 24 | 10 |
| Threads | 32 | 16 |
| Base clock | 2.10 GHz | 2.40 GHz |
| Boost clock | 5.60 GHz | 4.80 GHz |
| TDP | 65 W | 55 W |
| Socket | Intel Socket 1700 | Intel BGA 1964 |
| L3 cache | 36 MB (shared) | 20 MB (shared) |
| Memory bandwidth | 89.6 GB/s | Not listed |
| Integrated graphics | UHD Graphics 770 | UHD Graphics 710 |
| Market segment | Desktop | Mobile |
| Multiplier unlocked | No | Yes |
| Release date | 2025-01-12 | 2024-01-07 |
| Launch MSRP | $384 | Not listed |
| Part number | SRQDUQ657 | SRMXK |
The base clock favors the Core i5-14450HX, which starts at 2.40 GHz versus 2.10 GHz for the Core 7 251E. The TDP also favors the mobile chip at 55 W versus 65 W. The Core 7 251E counters with a higher boost clock, more cores and threads, larger L3 cache, and a higher-tier integrated GPU. The Core i5-14450HX is the only one with an unlocked multiplier.
Architecture Differences
The Intel Core 7 251E uses the Bartlett Lake codename within the Core 7 generation, fabricated on a 10 nm process with a die size of 257 mm². The Intel Core i5-14450HX uses the Raptor Lake-HX codename within the Core 14th Gen series, also fabricated on a 10 nm process with the same 257 mm² die size. Both processors are built by Intel.
The core counts differ dramatically: the Core 7 251E has 24 cores and 32 threads, while the Core i5-14450HX has 10 cores and 16 threads. The L1 and L2 cache layouts are identical at 80 KB and 2 MB per core respectively, but the L3 cache scales with the core configuration: 36 MB for the Core 7 251E versus 20 MB for the Core i5-14450HX.
Memory support is similar, with both processors supporting DDR4 and DDR5 in a dual-channel configuration. The Core 7 251E lists a memory bandwidth of 89.6 GB/s, while the Core i5-14450HX does not have a bandwidth figure recorded. Both support ECC memory and both provide PCIe Gen 5 with 16 lanes from the CPU.
The integrated graphics differ: the Core 7 251E uses UHD Graphics 770, while the Core i5-14450HX uses UHD Graphics 710. The production status for both is Active. The Core 7 251E released on 2025-01-12, while the Core i5-14450HX released on 2024-01-07, placing them roughly a year apart.
Where Each One Wins
The Intel Core i5-14450HX wins in any scenario that demands verified performance figures. Its benchmark profile covers 17 recorded tests, spanning Cinebench R15, R20, and R23 as well as a full Passmark suite. The 82nd percentile ranking and the tight delta of -0.1% to -0.6% against four rivals demonstrate consistent, measurable performance. The unlocked multiplier and mobile BGA 1964 socket make it suitable for systems where overclocking and a compact footprint are priorities. The lower 55 W TDP also positions it for thermally constrained environments.
The Intel Core 7 251E wins on paper in every raw specification category that matters for multi-threaded workloads. Its 24 cores and 32 threads are more than double the Core i5-14450HX's 10 cores and 16 threads. The 5.60 GHz boost clock exceeds the rival by 0.80 GHz, and the 36 MB L3 cache is 80% larger. The desktop Socket 1700 platform and 65 W TDP indicate a design for sustained all-core workloads. The UHD Graphics 770 iGPU is a step above the UHD Graphics 710 found in the mobile chip.
The data suggests a clear split: the Core i5-14450HX is the choice for users who need confirmed scores and a mobile platform, while the Core 7 251E is the choice for users who prioritize core count, cache size, and peak clock speed, provided they are willing to accept the absence of benchmark validation. The Core 7 251E also carries a launch MSRP of $384, while the Core i5-14450HX has no listed launch MSRP.