Intel Core 7 251E vs Intel Core i9-14900HX Comparison

Head-to-Head Benchmarks

The database contains benchmark results for the Intel Core i9-14900HX, while the Intel Core 7 251E has no recorded benchmarks in the database. This means a direct numerical comparison is impossible for most tests. However, the recorded data indicates the Core i9-14900HX delivers substantial multi-threaded performance. In Cinebench R23, it scores 30055 points in the multi-core test and 2181.5 points in the single-core test. Its Cinebench R20 scores are 15616 multi-core and 2204 single-core, while Cinebench R15 shows 4574 multi-core and 310.5 single-core.

The Geekbench results for the Core i9-14900HX show 17511 multi-core and 2330 single-core. In PassMark tests, the Core i9-14900HX posts 43778 for multi-thread, 4175 for single-thread, 157375 for integer math, and 112273 for floating point math. Additional PassMark results include 539965 for data compression, 32619 for data encryption, 31247 for extended instructions, 193 for find prime numbers, 2638 for physics, and 60861 for random string sorting.

The Core i9-14900HX has an average benchmark score of 56004 and sits at the 91st percentile among all CPUs in the database. Its nearest rivals in the database are the Intel Core 7 253PQE with an average score of 55919 (0.2% higher than the Core i9-14900HX), the AMD Ryzen AI Max 390 with 56273 (0.5% lower), the AMD Ryzen AI 9 HX PRO 470 with 56306 (0.5% lower), and the AMD Ryzen Threadripper PRO 3955WX with 56555 (1% lower). This places the Core i9-14900HX within a very tight cluster of competitive processors, with all four nearest rivals within 1% of its score.

Since the Core 7 251E has no benchmark entries, the head-to-head comparison is incomplete. The data shows that the Core i9-14900HX is a high-performing mobile processor relative to its peers. The Core 7 251E cannot be ranked against it using the recorded measurements.

FAQ

Q: How does the Intel Core i9-14900HX compare to its nearest rivals in the database?

A: The Core i9-14900HX has an average benchmark score of 56004, placing it at the 91st percentile of all CPUs. Its closest competitor, the Intel Core 7 253PQE, scores 55919, which is 0.2% higher. The AMD Ryzen AI Max 390 scores 56273 (0.5% lower), the AMD Ryzen AI 9 HX PRO 470 scores 56306 (0.5% lower), and the AMD Ryzen Threadripper PRO 3955WX scores 56555 (1% lower). All four rivals fall within a 1% margin of the Core i9-14900HX.

Q: What is the top single-threaded score recorded for the Intel Core i9-14900HX?

A: The highest single-threaded score in the database for the Core i9-14900HX is 4175 in the PassMark single-thread test. The Geekbench single-core score is 2330, the Cinebench R23 single-core score is 2181.5, the Cinebench R20 single-core score is 2204, and the Cinebench R15 single-core score is 310.5.

Q: Does the Intel Core 7 251E have any recorded benchmark scores?

A: The database lists no benchmark entries for the Intel Core 7 251E. Its average benchmark score is 0 and its percentile rank against all CPUs is 50. Consequently, no performance comparisons can be drawn from the recorded data.

Q: What is the difference in maximum boost clock between the two processors?

A: The Intel Core i9-14900HX has a boost clock of 5.80 GHz, while the Intel Core 7 251E has a boost clock of 5.60 GHz. The base clocks are 2.20 GHz for the Core i9-14900HX and 2.10 GHz for the Core 7 251E.

Q: Which processor has a higher TDP rating?

A: The Intel Core 7 251E has a TDP of 65, while the Intel Core i9-14900HX has a TDP of 55. The Core 7 251E is rated higher despite being a desktop part, whereas the Core i9-14900HX is a mobile processor.

Q: Are both processors unlocked for overclocking?

A: No. The Intel Core i9-14900HX has an unlocked multiplier, while the Intel Core 7 251E does not have a multiplier unlocked.

Where Each One Wins

The Intel Core i9-14900HX wins in every area where recorded data exists. It is the only one of the two with benchmark scores in the database, and its 91st percentile ranking among all CPUs indicates strong overall performance. Its multi-threaded results are particularly notable: a Cinebench R23 multi-core score of 30055 and a Cinebench R20 multi-core score of 15616 confirm heavy parallel workloads are handled well. The PassMark multi-thread score of 43778 and integer math score of 157375 reinforce this pattern.

Single-threaded performance for the Core i9-14900HX is also strong, with a PassMark single-thread score of 4175 and a Geekbench single-core score of 2330. The floating point math score of 112273 and extended instructions score of 31247 indicate solid math throughput. Data compression at 539965 and random string sorting at 60861 in PassMark show good memory and algorithm efficiency. The physics score of 2638 and prime number finding score of 193 round out the benchmark profile.

The Intel Core 7 251E has no recorded wins because no benchmarks exist for it. The database shows it as an active desktop processor with a 50th percentile rank, but without scores, any performance advantage cannot be quantified. In a head-to-head comparison, the Core i9-14900HX is the only part with measurable data, and that data positions it well above average.

For use-case splits, the Core i9-14900HX suits tasks that benefit from high multi-threading, such as rendering and encoding, based on its Cinebench R23 multi-core score of 30055 and Cinebench R15 multi-core score of 4574. It also handles single-threaded responsiveness well, as indicated by its Geekbench single-core score of 2330. The Core 7 251E offers a desktop socket, Intel Socket 1700, and a higher TDP of 65, which may appeal to systems that prioritize a fixed platform over mobility, but its performance profile remains unmeasured.

Specification Differences

The Intel Core 7 251E and Intel Core i9-14900HX share several core specifications. Both have 24 cores, 32 threads, 80 KB of L1 cache per core, 2 MB of L2 cache per core, and 36 MB of shared L3 cache. Both support DDR4 and DDR5 memory, use dual-channel memory buses, support ECC memory, feature PCIe Gen 5 with 16 lanes (CPU only), and integrate UHD Graphics 770. Both are built on a 10 nm process at Intel with a die size of 257 mm².

The differences begin with clock speeds. The Core i9-14900HX has a base clock of 2.20 GHz and a boost clock of 5.80 GHz. The Core 7 251E has a base clock of 2.10 GHz and a boost clock of 5.60 GHz. The TDP differs: the Core 7 251E is rated at 65, the Core i9-14900HX at 55.

The sockets are different. The Core 7 251E uses Intel Socket 1700, while the Core i9-14900HX uses Intel BGA 1964. The market segments differ: the Core 7 251E is a desktop processor, the Core i9-14900HX is a mobile processor. The Core 9 251E has a memory bandwidth of 89.6 GB/s, while the Core i9-14900HX has no memory bandwidth value recorded.

The Core i9-14900HX has an unlocked multiplier; the Core 7 251E does not. Release dates differ: the Core 7 251E was released on 2025-01-12, the Core i9-14900HX on 2024-01-07. The Core 7 251E has a launch MSRP of $384, while the Core i9-14900HX has no launch MSRP recorded. Part numbers also differ: the Core 7 251E is SRQDUQ657 and the Core i9-14900HX is SRMXF.

Architecture Differences

The Intel Core i9-14900HX uses the Raptor Lake architecture, specifically Raptor Lake-HX, and belongs to the Core 14th Gen series. Its generation is listed as Core i9 (Raptor Lake-HX Refresh). The Intel Core 7 251E uses the Bartlett Lake codename, with its generation listed as Core 7 (Bartlett Lake). The architecture field for the Core 7 251E is null in the database, meaning no specific architecture name is recorded beyond the codename.

Both processors use the same process node (10 nm), foundry (Intel), and die size (257 mm²). The cache hierarchies are identical in the recorded data: 80 KB L1 per core, 2 MB L2 per core, and 36 MB shared L3. Both integrate UHD Graphics 770 and support ECC memory.

The Core i9-14900HX is a mobile part on Intel BGA 1964, while the Core 7 251E is a desktop part on Intel Socket 1700. The Core i9-14900HX has an unlocked multiplier, which is a feature absent from the Core 7 251E. The Core 7 251E has a recorded memory bandwidth of 89.6 GB/s, whereas the Core i9-14900HX lacks that data point. Both use the same memory types, memory bus width, and PCIe configuration.

The production status for both is active. The Core i9-14900HX has a 91st percentile ranking and an average benchmark score of 56004, while the Core 7 251E has a 50th percentile ranking and an average benchmark score of 0. The architecture differences do not extend to cache or process node, but the socket, segment, and clock behavior separate the two parts clearly.