Intel Core i9-14900 vs Intel Core Ultra 9 386H Comparison

The Intel Core i9-14900 and Intel Core Ultra 9 386H represent two distinct design philosophies from Intel: one is a high-power desktop processor built for maximum throughput, the other is a low-power mobile chip engineered for efficiency and portability. The benchmark database shows a clear performance hierarchy, but also reveals specific workloads where the newer mobile architecture pulls ahead. The i9-14900 wins 15 of the 17 recorded head-to-head tests, with the Ultra 9 386H taking only two. However, the margin of victory varies dramatically by workload, from a 100.5% lead in integer math to a 2.5% edge in single-threaded tests.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core i9-14900 has 24 cores and 32 threads, while the Intel Core Ultra 9 386H has 16 cores and 16 threads. The i9-14900 also has a higher boost clock of 5.80 GHz compared to 4.90 GHz on the Ultra 9 386H.

Q: How do their average benchmark scores compare?

A: The Intel Core i9-14900 has an average benchmark score of 58115, placing it in the 92nd percentile of all CPUs. The Intel Core Ultra 9 386H has an average score of 43210, placing it in the 88th percentile.

Q: What is the largest performance gap between the two processors?

A: The largest gap is in PassMark integer math, where the i9-14900 scores 175010 versus 87284 for the Ultra 9 386H, a delta of 100.5%. The second-largest gap is in data compression, with the i9-14900 leading by 56.2%.

Q: In which tests does the Intel Core Ultra 9 386H outperform the i9-14900?

A: The Ultra 9 386H wins in PassMark find prime numbers (341 vs 188, a 44.9% advantage) and PassMark physics (3028 vs 2486, a 17.9% advantage).

Q: What are the power and socket differences?

A: The i9-14900 has a TDP of 65 and uses Intel Socket 1700, while the Ultra 9 386H has a TDP of 25 and uses Intel BGA 2540. The i9-14900 is a desktop part, and the Ultra 9 386H is a mobile part.

Q: Which processor supports ECC memory?

A: Only the Intel Core i9-14900 supports ECC memory. The Intel Core Ultra 9 386H does not, and it supports DDR5 and LPDDR5X memory, whereas the i9-14900 supports DDR4 and DDR5.

Architecture Differences

The Intel Core i9-14900 is built on Raptor Lake architecture with a Raptor Lake-R codename, part of the 14th Gen series. It uses a 10 nm process node from Intel and features a die size of 257 mm². The Ultra 9 386H, by contrast, uses Panther Lake architecture with the same Panther Lake codename, belonging to the Core Ultra Series 3. It is manufactured on a 3 nm process node, also by Intel, but its die size is not recorded in the database.

Cache layouts differ substantially. The i9-14900 provides 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 provides 192 KB of L1 cache per core, 2.5 MB of L2 cache per core, and 18 MB of shared L3 cache. This means the mobile chip has larger per-core L1 and L2 allocations, but less than half the total L3 capacity.

The integrated graphics differ as well: the i9-14900 uses UHD Graphics 770, while the Ultra 9 386H uses Intel Xe3 Graphics. The i9-14900 supports PCIe Gen 5 with 16 CPU-only lanes, and the Ultra 9 386H also supports PCIe Gen 5 but with 12 CPU-only lanes. The i9-14900 supports both DDR4 and DDR5 memory, whereas the Ultra 9 386H supports DDR5 and LPDDR5X. The database records a memory bandwidth of 115.2 GB/s for the Ultra 9 386H but no equivalent figure for the i9-14900.

Release timing places the i9-14900 with a release date of 2024-01-07 and the Ultra 9 386H with a release date of 2026-01-04. Both processors are listed as Active in production status, and neither has an unlocked multiplier. The i9-14900 has a launch MSRP of $549. The Ultra 9 386H has a part number of SA4R5Q9EH, while the i9-14900 has SRN3V.

Head-to-Head Benchmarks

Multi-core rendering tests show a dominant performance from the i9-14900. In Cinebench R15 multi-core, the i9-14900 scores 4793 against 3223 for the Ultra 9 386H, a 48.7% lead. Cinebench R20 multi-core shows a smaller gap of 24.1% (15910 vs 12820). The largest multi-core delta appears in Cinebench R23 multi-core, where the i9-14900 delivers 31070 points, 51.2% ahead of the Ultra 9 386H's 20547.

Single-core Cinebench results are much closer. The i9-14900 wins Cinebench R15 single-core by 3.8% (315 vs 303.5) and Cinebench R23 single-core by 6.8% (2212 vs 2071.5). However, Cinebench R20 single-core shows a 24.1% advantage for the i9-14900 (2245 vs 1809), a notable outlier compared to the other single-core tests.

The PassMark suite reveals where the i9-14900's core count and clock speeds matter most. In integer math, the i9-14900 scores 175010 versus 87284, a 100.5% advantage that doubles the Ultra 9 386H's output. Data compression shows a 56.2% lead (550271 vs 352365), and random string sorting shows a 44.9% lead (61060 vs 42135). Multithread performance favors the i9-14900 by 25.9% (44578 vs 35399), and data encryption by 23.5% (33540 vs 27150). Floating-point math gives the i9-14900 a 10.8% edge (120262 vs 108527), and extended instructions a modest 5.1% advantage (30624 vs 29138).

The Ultra 9 386H secures its two wins in specific workloads. In PassMark find prime numbers, it scores 341 against 188, a 44.9% advantage that is its largest of the entire comparison. In PassMark physics, it scores 3028 versus 2486, a 17.9% lead. The single-thread PassMark results are nearly identical: the i9-14900 scores 4323 and the Ultra 9 386H scores 4218, a 2.5% delta in the desktop part's favor.

Specification Differences

The two processors differ across nearly every core specification. The i9-14900 has 24 cores and 32 threads, while the Ultra 9 386H has 16 cores and 16 threads. Base clocks are close: 2.00 GHz for the i9-14900 and 2.10 GHz for the Ultra 9 386H. Boost clocks diverge: 5.80 GHz for the i9-14900 and 4.90 GHz for the Ultra 9 386H.

Power consumption is a major differentiator. The i9-14900 has a TDP of 65, while the Ultra 9 386H has a TDP of 25, reflecting its mobile design target. The i9-14900 uses Intel Socket 1700, and the Ultra 9 386H uses Intel BGA 2540. Market segments are Desktop and Mobile, respectively.

Memory support separates the two as well. The i9-14900 supports DDR4 and DDR5, and the Ultra 9 386H supports DDR5 and LPDDR5X. Both are dual-channel, but only the i9-14900 supports ECC memory. The Ultra 9 386H has a recorded memory bandwidth of 115.2 GB/s, with no equivalent figure listed for the i9-14900.

Process node differences are stark: the i9-14900 uses a 10 nm node, and the Ultra 9 386H uses a 3 nm node. The i9-14900 has a die size of 257 mm², while the Ultra 9 386H has no die size recorded. Cache structures differ in every level, with the i9-14900 using 80 KB L1 per core, 2 MB L2 per core, and 36 MB L3 shared, versus 192 KB L1 per core, 2.5 MB L2 per core, and 18 MB L3 shared for the Ultra 9 386H. PCIe lanes differ: 16 CPU-only lanes for the i9-14900 and 12 CPU-only lanes for the Ultra 9 386H, both Gen 5.

Where Each One Wins

The Intel Core i9-14900 wins in almost every category that rewards raw throughput and parallel execution. Its 24 cores and 32 threads, combined with a 5.80 GHz boost clock, produce decisive advantages in multi-core rendering workloads, as shown by the 51.2% lead in Cinebench R23 multi-core and the 48.7% lead in Cinebench R15 multi-core. The 100.5% advantage in integer math suggests that compiled code, financial modeling, and scientific computing tasks that rely on heavy integer operations will see major benefits from the desktop part. Data compression and random string sorting, both dominated by the i9-14900, point to strengths in file archiving, database workloads, and data processing pipelines.

The i9-14900 also excels in encryption and multithreaded tasks, with 23.5% and 25.9% leads respectively. Its floating-point math advantage of 10.8% makes it the stronger choice for simulations and numerical analysis. Single-core performance is consistently in its favor, though the margins shrink to between 2.5% and 6.8% in most tests, except for the Cinebench R20 single-core result where it leads by 24.1%. The desktop part is also the only one of the two with ECC memory support, which matters for data integrity in server-like or professional workloads.

The Intel Core Ultra 9 386H wins in two specific and revealing workloads. Its 44.9% advantage in PassMark find prime numbers indicates that its Panther Lake architecture handles integer-heavy algorithmic loops with unusual efficiency, despite having fewer cores and a lower boost clock. The 17.9% lead in PassMark physics suggests that its per-core cache layout, with 192 KB L1 and 2.5 MB L2 per core, benefits physics simulations that depend on localized data access patterns. These wins come despite the Ultra 9 386H having a TDP of 25 versus 65 for the i9-14900, and they highlight that the 3 nm process node enables competitive performance in latency-sensitive tasks without the power budget of a desktop flagship.

The overall benchmark data positions the i9-14900 as the stronger processor for heavy multi-threaded and integer-dominated work, with an average score of 58115 and a 92nd percentile standing. The Ultra 9 386H, with an average score of 43210 and an 88th percentile standing, remains competitive in specific algorithmic and physics-based tests, and its nearest rival list includes the Intel Core i9-12900 with a delta of 0.7%, indicating that it trades blows with older desktop flagships despite its mobile form factor. The i9-14900's nearest rival, the AMD Ryzen 7 9850X3D, sits just 0.5% ahead in average score, placing both processors in a tight performance cluster at the top of the database.