Intel Core 7 253PE vs Intel Core i5-14400 Comparison

The Intel Core 7 253PE and the Intel Core i5-14400 are both desktop processors built for the Intel Socket 1700 platform, and both are currently active in production. The data shows a clear pattern across every recorded benchmark, with the Core 7 253PE taking all 17 head-to-head wins. The Core i5-14400 does not win a single recorded test. The magnitude of the Core 7 253PE’s advantage varies sharply by workload, from a narrow 1.3% edge in random string sorting to a dominant 72.5% lead in prime number finding. This is not a close matchup in the database, but the shape of the performance gap matters for different use cases.

Head-to-Head Benchmarks

The most consistent wins for the Intel Core 7 253PE come in the Cinebench suite. Across all three versions of Cinebench, the multicore and singlecore results show nearly identical margins. In Cinebench R15, the Core 7 253PE scores 2507 multicore against 2148 for the Core i5-14400, a 16.7% advantage. The singlecore result in R15 is 354 versus 303, a 16.8% lead. Cinebench R20 repeats the pattern: 10449 versus 8952 multicore (16.7%) and 1475 versus 1263 singlecore (16.8%). Cinebench R23 shows the same story, with the Core 7 253PE at 24880 multicore and 3512 singlecore, compared to 21315 and 3009 for the Core i5-14400, both margins at 16.7%. The consistency of these deltas across different Cinebench versions indicates a stable architectural advantage rather than a workload-specific quirk.

The Passmark suite reveals where the Core 7 253PE stretches its lead much further. The largest gap is in prime number finding, where the Core 7 253PE scores 138 versus 80, a 72.5% difference. Integer math shows a 39.2% lead (114158 versus 82017). Floating point math follows at 31.4%, with scores of 80870 against 61549. Physics simulation shows a 32.2% advantage, 1845 versus 1396. Data encryption produces a 9.9% margin (18385 versus 16731), and extended instructions come in at a 10.0% lead (21806 versus 19816). Data compression is closer at 7.7%, with scores of 339133 versus 314995. Multithread performance in Passmark shows a 16.7% lead (29271 versus 25080), matching the Cinebench multicore margins. Single-thread performance in Passmark is a modest 5.7% ahead, 3955 versus 3741. Random string sorting is the tightest result, with only a 1.3% difference (32777 versus 32346).

The overall average benchmark scores reflect the same hierarchy. The Core 7 253PE has an average benchmark score of 40557, while the Core i5-14400 sits at 32115. In percentile ranking against all CPUs in the database, the Core 7 253PE lands at the 87th percentile, while the Core i5-14400 sits at the 82nd percentile. The nearest rivals for the Core 7 253PE include the Intel Core 5 223PE (average score 40585, 0.1% behind), the Intel Core Ultra X7 368H (40518, 0.1% ahead), the Intel Xeon 6357P (40630, 0.2% behind), and the AMD Ryzen 9 7940H (40431, 0.3% ahead). The Core i5-14400’s nearest rivals are the Intel Core i7-12800H (32121, 0.0% delta), the Intel Core i7-13705H (32076, 0.1% ahead), the Intel Core i5-14450HX (32040, 0.2% ahead), and the Intel Core i9-11900 (32226, 0.3% behind).

FAQ

Q: How much faster is the Intel Core 7 253PE in multi-threaded workloads?

A: The Core 7 253PE leads by 16.7% in Cinebench R15, R20, and R23 multicore tests. Passmark multithread shows the same 16.7% margin. In integer math the lead grows to 39.2%, and floating point math shows a 31.4% advantage.

Q: Does the Core i5-14400 win any benchmark in the head-to-head comparison?

A: No. The database records 17 head-to-head benchmark results, and the Intel Core 7 253PE wins all 17. The closest result is random string sorting, where the Core 7 253PE leads by only 1.3%.

Q: What is the single-thread performance difference?

A: The Core 7 253PE leads in single-thread tests by 16.8% in Cinebench R15, 16.8% in R20, and 16.7% in R23. Passmark single-thread shows a smaller 5.7% lead, with scores of 3955 versus 3741.

Q: How do the two processors compare in the overall database ranking?

A: The Core 7 253PE has an average benchmark score of 40557 and ranks at the 87th percentile of all CPUs. The Core i5-14400 has an average score of 32115 and ranks at the 82nd percentile.

Q: Which processor has more threads?

A: The Core 7 253PE has 20 threads, while the Core i5-14400 has 16 threads. Both have 10 cores, but the Core 7 253PE supports more simultaneous threads.

Q: What is the boost clock difference?

A: The Core 7 253PE boosts to 5.50 GHz, while the Core i5-14400 boosts to 4.70 GHz. Both have a base clock of 2.50 GHz.

Where Each One Wins

The Intel Core 7 253PE wins in every recorded benchmark category. The most decisive territory is integer-heavy and math-heavy work. Prime number finding shows a 72.5% lead, integer math a 39.2% lead, and floating point math a 31.4% lead. These results point to workloads that stress raw arithmetic throughput and branch-heavy loops, where the Core 7 253PE’s higher boost clock and larger cache configuration pay off. Physics simulation also favors the Core 7 253PE strongly, with a 32.2% margin. For users running simulation workloads, scientific computing, or code that relies on dense math operations, the Core 7 253PE is the clear choice in this comparison.

The Core 7 253PE also wins in general productivity and rendering workloads, though by a smaller margin. Cinebench multicore results across R15, R20, and R23 all show a 16.7% lead, which covers CPU rendering and similar sustained multi-threaded tasks. Passmark multithread matches that 16.7% margin. Data compression shows a 7.7% lead, and data encryption a 9.9% lead. These are still solid wins, but they are not as overwhelming as the math-oriented tests. The narrowest win is random string sorting at 1.3%, which suggests that memory-bound sorting operations do not expose the same performance gap. For workloads dominated by random access patterns to in-memory data, the two processors perform close to parity.

The Core i5-14400 has no benchmark category where it takes the lead. Its best relative showing is in random string sorting, where it trails by just 1.3%. It also stays within 10% in data compression (7.7% behind), data encryption (9.9% behind), and Passmark single-thread (5.7% behind). The single-thread margin is notable because it is much smaller than the Cinebench singlecore margins, indicating that the Core 7 253PE’s advantage is not uniform across all single-threaded tasks. For general desktop responsiveness and lightly threaded applications, the Core i5-14400 remains competitive, even though it still trails.

Specification Differences

The two processors share several core specifications. Both use 10 cores, both have a base clock of 2.50 GHz, both have a TDP of 65, both use the Intel Socket 1700, and both support DDR4 and DDR5 memory in dual-channel mode. Both also support ECC memory, both use PCIe Gen 5 with 16 lanes (CPU only), and both integrate UHD Graphics 730. Neither has an unlocked multiplier. The production status for both is Active.

The differences begin with threads. The Core 7 253PE has 20 threads, while the Core i5-14400 has 16 threads. The boost clock differs as well, with the Core 7 253PE reaching 5.50 GHz versus 4.70 GHz for the Core i5-14400. The memory bandwidth is listed only for the Core 7 253PE at 89.6 GB/s; the Core i5-14400 has no recorded memory bandwidth figure in the database. The die size is listed only for the Core i5-14400 at 215 mm². The release dates differ, with the Core i5-14400 released on 2024-01-07 and the Core 7 253PE released on 2026-03-08. The launch MSRP for the Core 7 253PE is $384, and the launch MSRP for the Core i5-14400 is $221. The part numbers also differ: SA4QE for the Core 7 253PE and SRN3QSRN46 for the Core i5-14400.

Architecture Differences

The Intel Core 7 253PE is built on the Bartlett Lake codename and belongs to the Core 7 (Bartlett Lake) generation. The Core i5-14400 uses the Raptor Lake architecture, specifically the Raptor Lake-R codename, and belongs to the Core i5 (Raptor Lake Refresh) generation. Both are manufactured on a 10 nm process node at Intel, and both use the same foundry. The process node is identical, so the performance differences come from other architectural choices rather than a lithography change.

Cache configurations differ substantially. The L1 cache is the same at 80 KB per core for both. The L2 cache differs: the Core 7 253PE has 2 MB per core, while the Core i5-14400 has 1.25 MB per core. The L3 cache also differs, with the Core 7 253PE carrying 33 MB shared versus 20 MB shared for the Core i5-14400. The larger L2 and L3 caches on the Core 7 253PE explain part of its lead in cache-sensitive workloads, particularly the math-heavy Passmark tests where the margins reach 31.4% to 72.5%. The thread count difference (20 versus 16) also contributes to the multicore gains, though the consistent 16.7% multicore margins across Cinebench versions suggest the extra threads and higher boost clock work together.

The generation gap is significant. The Core i5-14400 is a Raptor Lake Refresh part, while the Core 7 253PE is a Bartlett Lake part. Both are desktop segments, both support the same memory types, and both use the same integrated graphics. The spec table shows no v-cache for either, and neither lists a transistor count. The Core i5-14400 has a recorded die size of 215 mm², while the Core 7 253PE has no die size listed. The architectural differences that matter for performance are the thread count, the boost clock, and the cache hierarchy.

The Verdict

Looking strictly at the recorded data, the Intel Core 7 253PE is the stronger processor in every measured category. It wins all 17 head-to-head benchmarks, holds the higher average benchmark score (40557 versus 32115), and ranks at the 87th percentile versus the Core i5-14400’s 82nd percentile. The boost clock advantage (5.50 GHz versus 4.70 GHz), the thread advantage (20 versus 16), and the larger L2 and L3 caches (2 MB per core versus 1.25 MB per core, 33 MB versus 20 MB shared) all align with the benchmark results. For applications that stress integer math, floating point math, physics simulation, or prime number finding, the Core 7 253PE delivers a large lead, ranging from 31.4% to 72.5%.

The Core i5-14400 is not without merit in this comparison. Its single-thread Passmark score trails by only 5.7%, and its random string sorting performance is within 1.3% of the Core 7 253PE. Data compression and encryption are within 10%. For workloads that are memory-bound or lightly threaded, the Core i5-14400 stays close enough that the practical difference may be small. The Core i5-14400 also has a lower launch MSRP of $221 compared to $384 for the Core 7 253PE, though the data does not attempt to weigh price against performance.

The choice depends on workload profile. Buyers who need maximum multi-threaded throughput, heavy math performance, or the highest single-thread Cinebench scores should select the Intel Core 7 253PE. Its multicore lead is steady at 16.7% across Cinebench versions, and its math-oriented Passmark wins are decisive. Buyers who prioritize lightly threaded responsiveness or who run workloads similar to random string sorting and data compression will see a smaller gap, making the Core i5-14400 a reasonable alternative, but the data still favors the Core 7 253PE in every recorded test. The database shows no scenario where the Core i5-14400 comes out ahead.