Intel Core i9-14901E vs Intel Core Ultra 9 386H Comparison

Where Each One Wins

The Intel Core i9-14901E and Intel Core Ultra 9 386H split their benchmark victories almost evenly, with the Ultra 9 taking 10 wins out of 17 head-to-head tests while the i9-14901E claims 7. The split is not random: it follows a clear architectural pattern.

The Core Ultra 9 386H dominates in heavily parallel throughput workloads. It wins Cinebench R15 multicore by 19.5% and Cinebench R20 multicore by 15.6%. In PassMark tests, it leads in data compression by 18%, data encryption by 31.6%, extended instructions by 40.8%, prime number finding by 44.6%, floating point math by 25.3%, multithread by 14.4%, and random string sorting by 7.1%. The 16-core, 16-thread Panther Lake processor clearly favors workloads that can use every core.

The Core i9-14901E counters in single-threaded and certain integer tasks. It wins Cinebench R15 singlecore by 20.6%, Cinebench R23 singlecore by 75.5%, and Cinebench R23 multicore by 25.3%. In PassMark, it leads in integer math by 29.2%, physics by a narrow 0.4%, and single thread by 3.2%. The Raptor Lake processor with 8 cores and 16 threads uses its high clock speeds to dominate latency-sensitive instruction streams.

The average benchmark score confirms the overall picture. The Core Ultra 9 386H records an average benchmark score of 43210 against 37911 for the i9-14901E, a gap that places the Ultra 9 in the 88th percentile of all CPUs versus the 86th percentile for the i9-14901E. The nearest rivals for the Ultra 9 include the AMD Ryzen AI Max PRO 385 with a delta of -0.3% and the AMD Ryzen AI 9 465 with -0.5%, while the i9-14901E sits within 0.3% of the AMD Ryzen AI 9 HX 370 and within 0.2% of the Intel Core 5 211E.

Architecture Differences

The two processors come from different Intel design generations. The Core i9-14901E uses the Raptor Lake architecture on the Raptor Lake-R codename, built on a 10 nm process node with a die size of 257 mm². The Core Ultra 9 386H uses the Panther Lake architecture on the Panther Lake codename, built on a 3 nm process node. Both are fabricated by Intel, but the process shrink gives the Ultra 9 a significant transistor density advantage.

Core configuration differs substantially. The i9-14901E has 8 cores and 16 threads, meaning each core handles two threads. The Ultra 9 386H has 16 cores and 16 threads, meaning each core handles one thread. The Ultra 9 relies on physical core count for parallelism rather than simultaneous multithreading.

Cache hierarchies also diverge. The i9-14901E has 80 KB of L1 cache per core, 2 MB of L2 cache per core, and 36 MB of shared L3 cache. The Ultra 9 386H has 192 KB of L1 cache per core, 2.5 MB of L2 cache per core, but only 18 MB of shared L3 cache. The i9-14901E holds twice the L3 capacity, which helps in workloads with large working sets.

Clock speeds favor the desktop part. The i9-14901E has a base clock of 2.80 GHz and a boost clock of 5.60 GHz, while the Ultra 9 386H has a base clock of 2.10 GHz and a boost clock of 4.90 GHz. The power envelope tells the same story: the i9-14901E has a TDP of 65 watts, while the Ultra 9 386H has a TDP of 25 watts, reflecting its mobile positioning.

Memory and connectivity also differ. The i9-14901E supports DDR4 and DDR5 memory on a dual-channel bus, with ECC memory support and PCIe Gen 5 limited to 16 CPU lanes. The Ultra 9 386H supports DDR5 and LPDDR5X on a dual-channel bus with a recorded memory bandwidth of 115.2 GB/s, no ECC support, and PCIe Gen 5 limited to 12 CPU lanes. The integrated graphics differ as well: the i9-14901E carries UHD Graphics 770 while the Ultra 9 386H carries Intel Xe3 Graphics.

The market segments are clear from the sockets. The i9-14901E uses Intel Socket 1700 for desktop builds. The Ultra 9 386H uses Intel BGA 2540 for mobile systems. The release dates reflect the generation gap: the i9-14901E launched in June 2024 and the Ultra 9 386H in January 2026.

FAQ

Q: Which processor has the higher boost clock?

A: The Intel Core i9-14901E boosts to 5.60 GHz, while the Intel Core Ultra 9 386H boosts to 4.90 GHz.

Q: Does the Core Ultra 9 386H support ECC memory?

A: No. The Ultra 9 386H does not support ECC memory, while the i9-14901E does.

Q: Which processor has more L3 cache?

A: The i9-14901E has 36 MB of shared L3 cache, exactly double the 18 MB found in the Ultra 9 386H.

Q: How do the two processors compare in single-thread performance?

A: The i9-14901E wins PassMark single thread by 3.2% with a score of 4354 against 4218. The gap widens dramatically in Cinebench R23 singlecore, where the i9-14901E leads by 75.5% with 3635 against 2071.5.

Q: Which processor has more cores?

A: The Ultra 9 386H has 16 cores, while the i9-14901E has 8 cores. Both have 16 threads, so the i9-14901E uses hyperthreading while the Ultra 9 does not.

Q: What is the memory bandwidth of the Core Ultra 9 386H?

A: The Ultra 9 386H has a recorded memory bandwidth of 115.2 GB/s. The i9-14901E has no bandwidth figure recorded in the database.

Specification Differences

The two processors differ in nearly every core specification. The i9-14901E offers 8 cores and 16 threads, while the Ultra 9 386H offers 16 cores and 16 threads. Base clocks are 2.80 GHz for the i9-14901E and 2.10 GHz for the Ultra 9. Boost clocks are 5.60 GHz and 4.90 GHz respectively. TDP is 65 watts for the desktop part and 25 watts for the mobile part.

The sockets are incompatible: Intel Socket 1700 versus Intel BGA 2540. The architectures are from different generations: Raptor Lake versus Panther Lake. Process nodes are 10 nm versus 3 nm. Die size is recorded only for the i9-14901E at 257 mm²; no die size is listed for the Ultra 9 386H.

Cache layouts differ across all three levels. L1 cache is 80 KB per core for the i9-14901E and 192 KB per core for the Ultra 9. L2 cache is 2 MB per core versus 2.5 MB per core. L3 cache is 36 MB shared versus 18 MB shared.

Memory support shows the i9-14901E accepts DDR4 and DDR5, while the Ultra 9 accepts DDR5 and LPDDR5X. Both use a dual-channel bus, but only the Ultra 9 has a recorded memory bandwidth of 115.2 GB/s. ECC memory is supported on the i9-14901E but not on the Ultra 9. PCIe lanes differ: 16 CPU-only lanes for the i9-14901E versus 12 CPU-only lanes for the Ultra 9, both Gen 5.

Integrated graphics differ: UHD Graphics 770 for the i9-14901E versus Intel Xe3 Graphics for the Ultra 9. Market segments are Desktop for the i9-14901E and Mobile for the Ultra 9. The release dates are June 2024 for the i9-14901E and January 2026 for the Ultra 9. Both are Active in production and neither has an unlocked multiplier.

Head-to-Head Benchmarks

The largest single victory belongs to the i9-14901E in Cinebench R23 singlecore. The desktop part scores 3635 against 2071.5 for the Ultra 9, a 75.5% advantage. This result reflects the combined effect of the 5.60 GHz boost clock and the higher per-core L3 cache allocation. The i9-14901E also wins Cinebench R23 multicore by 25.3% with 25753 against 20547, a notable result given that the Ultra 9 has twice as many physical cores.

The Ultra 9 386H posts its largest win in PassMark extended instructions, scoring 29138 against 17249 for a 40.8% lead. It follows with a 44.6% advantage in prime number finding, 341 against 189, and a 31.6% lead in data encryption, 27150 against 18571. These results indicate that the newer Panther Lake architecture handles specialized instruction sets and cryptographic workloads much more efficiently.

Cinebench R20 multicore gives the Ultra 9 a 15.6% win with 12820 against 10816. Cinebench R15 multicore gives the Ultra 9 a 19.5% win with 3223 against 2595. PassMark multithread also favors the Ultra 9 by 14.4%, 35399 against 30298. The Ultra 9 wins floating point math by 25.3%, 108527 against 81089, and data compression by 18%, 352365 against 288777.

The i9-14901E holds a 29.2% advantage in PassMark integer math, 112736 against 87284, which is its second-largest win. It edges out the Ultra 9 in PassMark physics by 0.4%, 3041 against 3028, and in PassMark single thread by 3.2%, 4354 against 4218. The single-thread gap in Cinebench R15 is 20.6% in favor of the i9-14901E, 366 against 303.5, but the Ultra 9 reverses this in Cinebench R20 singlecore with a 15.6% win, 1809 against 1526.

The pattern across benchmarks is consistent. The i9-14901E wins where clock speed and per-thread performance matter most. The Ultra 9 wins where core count and newer microarchitecture features matter most. The 16-core Ultra 9 shows particular strength in data-heavy PassMark workloads, taking 7 of 10 PassMark tests, while the i9-14901E takes 3 of 10 PassMark tests plus 4 of 7 Cinebench tests.

The Verdict

The benchmark data points to a clear division of roles. The Intel Core Ultra 9 386H is the stronger overall processor, with an average benchmark score of 43210 against 37911 for the i9-14901E, and a higher percentile ranking of 88 against 86. Its 16 physical cores and 3 nm Panther Lake architecture deliver superior throughput in compression, encryption, floating point math, and multithreaded rendering.

The Intel Core i9-14901E remains the choice for single-threaded performance and integer-heavy workloads. Its 5.60 GHz boost clock produces a 75.5% lead in Cinebench R23 singlecore and a 29.2% lead in PassMark integer math. The 36 MB of shared L3 cache and 16 threads over 8 cores serve desktop applications that rely on high per-core frequency.

For mobile systems where power consumption matters, the Ultra 9 386H operates at a 25 watt TDP, less than half the 65 watt TDP of the i9-14901E, while still delivering higher overall throughput. For desktop builds where ECC memory support and DDR4 compatibility are requirements, the i9-14901E offers capabilities the Ultra 9 cannot match. The data does not support a single universal winner; it supports two processors optimized for different environments and workload profiles.