Intel Core 9 270H vs Intel Core Ultra X7 358H Comparison

Head-to-Head Benchmarks

The benchmark data shows a clear overall winner in raw performance: the Intel Core Ultra X7 358H takes 14 of the 17 head-to-head comparisons. The most decisive victory for the Ultra X7 comes in PassMark's find prime numbers test, where it scores 337 against the Core 9 270H's 112, a delta of 66.8 percent. This suggests a substantial advantage in integer-heavy, single-threaded mathematical workloads.

The Core Ultra X7 also dominates in floating point math, scoring 103842 versus 70640 for the Core 9 270H, a 32 percent gap. Extended instruction performance follows a similar pattern, with the Ultra X7 at 27274 and the Core 9 at 20079, a 26.4 percent difference. Data encryption shows the Ultra X7 ahead by 25.6 percent, scoring 26046 versus 19369. Physics simulation in PassMark favors the Ultra X7 by 34.9 percent, with scores of 3021 and 1966 respectively.

Multithreaded workloads in general favor the Ultra X7. In Cinebench R15 multicore, the Ultra X7 scores 3027 against 2464 for the Core 9, an 18.6 percent lead. Cinebench R20 multicore shows a 14.5 percent gap, 12011 versus 10268. The R23 multicore margin narrows to 4 percent, with the Ultra X7 at 18747 and the Core 9 at 18000. PassMark multithread confirms the trend at 33802 versus 28764, a 14.9 percent difference.

The Core 9 270H does hold three wins. Its strongest is PassMark integer math, where it scores 97654 against 83147 for the Ultra X7, a 17.4 percent advantage. It also wins data compression, though by a slim 0.4 percent margin, 333785 versus 332508. In Cinebench R15 singlecore, the Core 9 takes a 15.1 percent lead, scoring 347 against 301.5.

The single-core picture is more nuanced than the multicore results. While the Core 9 wins R15 singlecore, the Ultra X7 takes R20 singlecore by 14.5 percent, 1695 versus 1449, and R23 singlecore by 1.9 percent, 2080 versus 2040. PassMark single thread also favors the Ultra X7 at 4124 versus 3944, a 4.4 percent gap. The data suggests the Core 9's single-core advantage in R15 is an outlier, as the newer benchmark versions and PassMark all point the other way.

The overall average benchmark score confirms the Ultra X7's position. It averages 40967 across all tests, while the Core 9 averages 38335. The Ultra X7 sits at the 87th percentile among all CPUs, one point above the Core 9's 86th percentile. The nearest rival data places the Core 9 in a tight cluster: the Intel Core Ultra 9 285H scores 38312 (0.1 percent lower), the Intel Xeon w3-2525 scores 38392 (0.1 percent higher), the Intel Core i5-13600HX scores 38261 (0.2 percent higher), and the AMD Ryzen 7 250 scores 38221 (0.3 percent higher). The Ultra X7's nearest rivals are similarly close, with AMD Ryzen AI 5 PRO 440 at 41208 (0.6 percent higher), Intel Core Ultra 7 356H at 41215 (0.6 percent higher), AMD Ryzen AI 5 PRO 435G at 40718 (0.6 percent lower), and Intel Core Ultra 7 366H at 41263 (0.7 percent higher).

Architecture Differences

The two processors come from different design eras. The Intel Core 9 270H uses the Raptor Lake architecture, specifically Raptor Lake-H, on a 10 nm process node. The Intel Core Ultra X7 358H belongs to the Panther Lake family, built on a 3 nm node. Both are fabricated by Intel, but the lithography gap is substantial and helps explain the Ultra X7's efficiency and performance characteristics.

Core counts differ in an important way. The Core 9 270H has 14 cores and 20 threads, meaning it uses hyper-threading to reach 20 threads from 14 physical cores. The Ultra X7 has 16 cores and 16 threads, with no hyper-threading. Despite having fewer threads, the Ultra X7 delivers higher multicore scores across most benchmarks, indicating that its newer cores are individually more capable.

Clock speeds tell a similar story. The Core 9 270H has a base clock of 2.70 GHz and a boost clock of 5.80 GHz. The Ultra X7 runs at 1.90 GHz base and 4.80 GHz boost. The Core 9's higher clock speeds do not translate into consistent performance wins, which points to architectural efficiency gains in the Panther Lake design rather than raw clock advantage.

Cache hierarchies also differ. The Core 9 270H provides 80 KB of L1 cache per core, 2 MB of L2 per core, and 24 MB of shared L3 cache. The Ultra X7 has 192 KB of L1 per core, 3 MB of L2 per core, and 18 MB of shared L3. The larger per-core L1 and L2 caches on the Ultra X7 likely contribute to its strong single-thread results, while the Core 9's larger L3 pool does not overcome that advantage.

Memory support diverges sharply. The Core 9 270H supports DDR4 and DDR5 memory on a dual-channel bus. The Ultra X7 supports only LPDDR5X, also dual-channel, with a recorded memory bandwidth of 153.6 GB/s. The Core 9 has no memory bandwidth figure in the database. The move to LPDDR5X-only support aligns with the Ultra X7's lower thermal envelope and mobile-focused design.

PCIe connectivity also differs. The Core 9 270H provides Gen 5 with 8 CPU lanes, while the Ultra X7 offers Gen 5 with 4 CPU lanes. Integrated graphics set the two apart as well: the Core 9 uses Iris Xe Graphics with 96 execution units, while the Ultra X7 uses Arc B390 graphics. The Ultra X7's Arc-class iGPU is a significant step up in graphics capability on paper.

Thermal design power shows a major divergence. The Core 9 270H is rated at 45 W TDP, while the Ultra X7 draws only 25 W. This nearly 2x difference in power budget makes the Ultra X7's performance lead more notable, as it achieves higher scores across most tests while consuming less power.

Sockets and packaging differ as expected for different generations. The Core 9 uses Intel BGA 1744, while the Ultra X7 uses Intel BGA 2540. Release dates also separate them: the Core 9 launched on 2024-12-17, while the Ultra X7 arrived later on 2026-01-04. Both are currently marked as active production, and neither has an unlocked multiplier.

Where Each One Wins

The Intel Core Ultra X7 358H is the stronger all-around performer for compute-intensive tasks. Its wins in floating point math, encryption, extended instructions, prime number finding, physics simulation, and multithreaded Cinebench tests indicate it handles scientific computing, cryptography, simulation, and heavily parallel rendering workloads better than the Core 9 270H. The 66.8 percent lead in prime number finding and the 34.9 percent lead in physics are particularly large margins that suggest a fundamental per-core efficiency advantage.

For users prioritizing integer math, the Core 9 270H has a clear edge. Its 17.4 percent lead in PassMark integer math, 97654 versus 83147, makes it the better choice for workloads that rely heavily on 64-bit integer operations, such as certain database workloads, compression algorithms, and some financial calculations. The Core 9 also edges out the Ultra X7 in data compression by 0.4 percent, a narrow but real win.

Single-core responsiveness is split. The Core 9 wins Cinebench R15 singlecore by 15.1 percent, but the Ultra X7 wins R20 singlecore by 14.5 percent, R23 singlecore by 1.9 percent, and PassMark single thread by 4.4 percent. The newer benchmarks, which tend to reflect more modern instruction usage, favor the Ultra X7. The Core 9's R15 lead appears to be a legacy workload artifact.

The Ultra X7 also wins in random string sorting by 8.6 percent, a test that exercises memory subsystem latency and branch prediction. Its 40357 score versus 36867 suggests better memory handling despite the smaller L3 cache.

Power efficiency is not directly benchmarked, but the data is informative. The Ultra X7 produces higher scores across most tests while carrying a 25 W TDP, compared to the Core 9's 45 W. For thermally constrained mobile chassis, this means the Ultra X7 can sustain its performance envelope more easily without throttling.

FAQ

Q: Which processor has more cores?

A: The Intel Core Ultra X7 358H has 16 cores, while the Intel Core 9 270H has 14 cores. However, the Core 9 has 20 threads versus 16 for the Ultra X7, because the Core 9 supports hyper-threading.

Q: Which processor is faster in single-core workloads?

A: The Intel Core Ultra X7 358H wins most modern single-core benchmarks. It leads in Cinebench R20 singlecore by 14.5 percent, R23 singlecore by 1.9 percent, and PassMark single thread by 4.4 percent. The Core 9 270H wins only Cinebench R15 singlecore by 15.1 percent.

Q: What is the power consumption difference?

A: The Core 9 270H has a TDP of 45 W, while the Core Ultra X7 358H has a TDP of 25 W. The Ultra X7 achieves higher scores in most benchmarks while drawing less power.

Q: Which processor has better integrated graphics?

A: The Intel Core Ultra X7 358H uses Arc B390 graphics, while the Intel Core 9 270H uses Iris Xe Graphics with 96 execution units. The Arc-class iGPU in the Ultra X7 represents a newer, higher-tier graphics solution.

Q: What memory types does each support?

A: The Core 9 270H supports DDR4 and DDR5 on a dual-channel bus. The Core Ultra X7 358H supports only LPDDR5X on a dual-channel bus, with a recorded memory bandwidth of 153.6 GB/s.

Q: Which processor has a higher average benchmark score?

A: The Intel Core Ultra X7 358H averages 40967 across all database benchmarks, compared to 38335 for the Intel Core 9 270H. The Ultra X7 also sits at the 87th percentile among all CPUs, versus the 86th percentile for the Core 9.

Specification Differences

The following specifications differ between the two processors:

• Cores: 14 (Core 9 270H) versus 16 (Ultra X7 358H)
• Threads: 20 versus 16
• Base clock: 2.70 GHz versus 1.90 GHz
• Boost clock: 5.80 GHz versus 4.80 GHz
• TDP: 45 W versus 25 W
• Socket: Intel BGA 1744 versus Intel BGA 2540
• Codename: Raptor Lake-H versus Panther Lake
• Process node: 10 nm versus 3 nm
• L1 cache: 80 KB per core versus 192 KB per core
• L2 cache: 2 MB per core versus 3 MB per core
• L3 cache: 24 MB shared versus 18 MB shared
• Memory support: DDR4, DDR5 versus LPDDR5X
• Memory bandwidth: not recorded versus 153.6 GB/s
• PCIe lanes: Gen 5, 8 CPU lanes versus Gen 5, 4 CPU lanes
• Integrated graphics: Iris Xe Graphics 96EU versus Arc B390
• Release date: 2024-12-17 versus 2026-01-04
• Launch MSRP: $697 versus none recorded
• Part number: SRQ6V versus SA4RAQ9ET

The Verdict

The recorded data supports the Intel Core Ultra X7 358H as the higher-performing processor in the majority of measured workloads. Its average benchmark score of 40967 exceeds the Core 9 270H's 38335 by a meaningful margin, and it wins 14 of 17 head-to-head tests. The Ultra X7 achieves this while carrying a 25 W TDP, nearly half the Core 9's 45 W rating. For any workload centered on floating point math, encryption, physics simulation, extended instruction sets, or general multithreaded rendering, the Ultra X7 is the clear choice.

The Intel Core 9 270H retains a specific niche. Its 17.4 percent lead in integer math and its narrow win in data compression indicate that integer-dominated workloads, such as certain database and processing tasks, are better served by the older chip. Its 15.1 percent win in Cinebench R15 singlecore also shows legacy single-threaded applications may run faster on the Core 9, though newer single-core benchmarks favor the Ultra X7.

The choice between these two depends on workload profile. The Ultra X7 suits users running scientific simulations, encryption-heavy tasks, physics engines, or modern rendering pipelines. The Core 9 suits users whose primary applications rely on integer math and data compression. The Ultra X7's 3 nm process node, larger per-core caches, newer Panther Lake architecture, and lower power draw make it the more modern and broadly capable processor. The Core 9's higher clock speeds and larger L3 cache do not overcome the architectural advantages of the Ultra X7 in most tests. For most users, the data points to the Ultra X7 as the stronger overall mobile processor.