Intel Core Ultra X9 388H vs Intel Processor N250 Comparison

Where Each One Wins

The data divides these two processors sharply by workload class. The Intel Core Ultra X9 388H holds every recorded benchmark advantage in the database, while the Intel Processor N250 has no recorded benchmark scores at all. This is not a close contest; it is a structural gap between two different market tiers.

For multi-threaded rendering, the Core Ultra X9 388H posts a Cinebench R23 multi-core score of 18911 and a Cinebench R20 multi-core score of 13101. The Processor N250 has no Cinebench entries, so the comparison is one-sided. Single-core performance follows the same pattern: the Core Ultra X9 388H records 2200.5 in Cinebench R23 single-core and 1849 in Cinebench R20 single-core, while the N250 has no corresponding data.

Encryption and compression workloads show the same division. The Core Ultra X9 388H records a PassMark data encryption score of 28490 and a data compression score of 361763. The N250 has no PassMark entries. The Core Ultra X9 388H also leads in extended instruction workloads with a PassMark extended instructions score of 29943, floating point math at 112550, and integer math at 90882. The N250 cannot be compared on any of these metrics because the database contains no measurements.

The Core Ultra X9 388H sits at the 88th percentile among all CPUs in the database, with an average benchmark score of 44466. The Processor N250 sits at the 50th percentile with an average benchmark score of 0, indicating no recorded performance data. The nearest rivals to the Core Ultra X9 388H are all close in average score: the AMD Ryzen 5 7500X3D at 44573 (0.2% behind), the Intel Core i9-13950HX at 44342 (0.3% ahead), the AMD Ryzen AI Max 385 at 44309 (0.4% ahead), and the Intel Core i5-13600 at 44240 (0.5% ahead). These deltas place the Core Ultra X9 388H in a tight performance cluster, while the N250 has no comparable rivals listed.

Architecture Differences

The two processors come from different Intel design families. The Core Ultra X9 388H uses the Panther Lake architecture (Panther Lake-H generation) built on a 3 nm process node, while the Processor N250 uses the Twin Lake architecture (Alder Lake-N generation) built on a 10 nm process node. Both come from Intel's own foundry, but the process gap is substantial: 3 nm versus 10 nm affects transistor density and power efficiency directly.

Core counts differ by a factor of four. The Core Ultra X9 388H has 16 cores and 16 threads, while the Processor N250 has 4 cores and 4 threads. Neither part uses simultaneous multithreading, so threads equal cores in both cases. Clock behavior also diverges. The Core Ultra X9 388H has a base clock of 2.10 GHz and a boost clock of 5.10 GHz. The Processor N250 has a base clock of 0.10 GHz and a boost clock of 3.80 GHz. The N250's 0.10 GHz base clock is notably low, which reflects its low-power design target.

Cache hierarchies differ in size and organization. The Core Ultra X9 388H provides 192 KB of L1 cache per core, 3 MB of L2 cache per core, and 18 MB of shared L3 cache. The Processor N250 provides 96 KB of L1 cache per core, 2 MB of shared L2 cache, and 6 MB of shared L3 cache. The L3 difference is threefold: 18 MB versus 6 MB.

Memory support also separates the two. The Core Ultra X9 388H supports LPDDR5X memory over a dual-channel bus with a memory bandwidth of 153.6 GB/s. The Processor N250 supports DDR4, DDR5, and LPDDR5 memory over a single-channel bus with a memory bandwidth of 38.4 GB/s. That is a fourfold difference in theoretical memory bandwidth, which matters for memory-bound workloads. Neither part supports ECC memory.

PCIe capabilities differ as well. The Core Ultra X9 388H uses PCIe Gen 5 with 4 CPU lanes, while the Processor N250 uses PCIe Gen 3 with 9 CPU lanes. The newer generation on the Core Ultra X9 388H offers higher per-lane bandwidth, while the N250 offers more lanes at an older standard.

Integrated graphics differ. The Core Ultra X9 388H uses Arc B390 graphics, while the Processor N250 uses UHD Graphics 730. Sockets are incompatible: the Core Ultra X9 388H uses Intel BGA 2540, and the Processor N250 uses Intel BGA 1264.

Thermal design power shows the biggest practical gap. The Core Ultra X9 388H has a TDP of 25 watts, while the Processor N250 has a TDP of 6 watts. The N250 is designed for much lower power envelopes, which limits sustained performance but enables fanless or passively cooled systems. The Core Ultra X9 388H consumes over four times the power budget.

The Verdict

The recorded data indicates that the Core Ultra X9 388H is the only one of the two with measurable performance in the database. It outscores the Processor N250 on every benchmark category where data exists, and its 88th percentile ranking confirms a high overall standing among all CPUs. The Processor N250 has no benchmark scores, an average score of 0, and a 50th percentile ranking, which reflects the absence of data rather than a measured performance level.

The Core Ultra X9 388H belongs in systems that need multi-core throughput, high memory bandwidth, and modern I/O. Its 16 cores, 5.10 GHz boost clock, 18 MB of L3 cache, and 153.6 GB/s dual-channel LPDDR5X bandwidth position it for rendering, encryption, compression, and floating point workloads. Its nearest rivals, all within 0.5% average score, confirm that it competes at the level of desktop and high-end mobile processors like the AMD Ryzen 5 7500X3D and the Intel Core i9-13950HX.

The Processor N250 belongs in systems where power consumption is the primary constraint. Its 6 watt TDP, 4 cores, and single-channel memory make it a low-power option, but the database contains no measurements to quantify its performance. The 0.10 GHz base clock suggests a design that prioritizes idle efficiency over sustained speed. Buyers choosing between these two parts are choosing between a high-performance mobile processor and a low-power embedded or entry-level mobile processor, and the data only supports performance claims for the Core Ultra X9 388H.

FAQ

Q: Which processor has more cores?

A: The Intel Core Ultra X9 388H has 16 cores and 16 threads, while the Intel Processor N250 has 4 cores and 4 threads.

Q: What is the memory bandwidth difference?

A: The Core Ultra X9 388H has a dual-channel LPDDR5X memory bus with 153.6 GB/s bandwidth, while the Processor N250 has a single-channel bus supporting DDR4, DDR5, and LPDDR5 with 38.4 GB/s bandwidth.

Q: How do their power requirements compare?

A: The Core Ultra X9 388H has a TDP of 25 watts, and the Processor N250 has a TDP of 6 watts.

Q: Does the Core Ultra X9 388H have a higher boost clock?

A: Yes. The Core Ultra X9 388H boosts to 5.10 GHz, while the Processor N250 boosts to 3.80 GHz.

Q: Which processor has more L3 cache?

A: The Core Ultra X9 388H has 18 MB of shared L3 cache, while the Processor N250 has 6 MB of shared L3 cache.

Q: What are the nearest rivals to the Core Ultra X9 388H?

A: The nearest rivals are the AMD Ryzen 5 7500X3D with an average score of 44573 (0.2% behind), the Intel Core i9-13950HX at 44342 (0.3% ahead), the AMD Ryzen AI Max 385 at 44309 (0.4% ahead), and the Intel Core i5-13600 at 44240 (0.5% ahead).

Head-to-Head Benchmarks

The head-to-head benchmark table is empty, so the comparison must rely on the Core Ultra X9 388H's individual benchmark records against the Processor N250's lack of any recorded scores. The Core Ultra X9 388H's Cinebench R15 multi-core score of 2955 and single-core score of 309.5 stand without a counterpart. Its Cinebench R20 multi-core score of 13101 and single-core score of 1849 likewise have no N250 equivalent. The Cinebench R23 multi-core score of 18911 and single-core score of 2200.5 complete the rendering picture, again without N250 data.

PassMark results follow the same pattern. The Core Ultra X9 388H records a multithread score of 36811, a single-thread score of 4280, a physics score of 3226, and a random string sorting score of 44010. It also records a find prime numbers score of 358. The Processor N250 has no PassMark entries, so none of these comparisons can be expressed as a percentage advantage.

The closest quantitative comparison available is the percentile and average score data. The Core Ultra X9 388H sits at the 88th percentile among all CPUs with an average benchmark score of 44466. The Processor N250 sits at the 50th percentile with an average benchmark score of 0. The 38 percentile-point gap and the 44466-point average score gap define the distance between the two parts in the database.

The nearest rival data for the Core Ultra X9 388H adds context. Its average score of 44466 is 0.2% behind the AMD Ryzen 5 7500X3D, 0.3% ahead of the Intel Core i9-13950HX, 0.4% ahead of the AMD Ryzen AI Max 385, and 0.5% ahead of the Intel Core i5-13600. These small deltas indicate that the Core Ultra X9 388H performs within a narrow band of well-known processors, despite its mobile segment classification.

Specification Differences

The two processors differ in nearly every major specification field. Process node: 3 nm for the Core Ultra X9 388H versus 10 nm for the Processor N250. Cores: 16 versus 4. Threads: 16 versus 4. Base clock: 2.10 GHz versus 0.10 GHz. Boost clock: 5.10 GHz versus 3.80 GHz. TDP: 25 watts versus 6 watts.

Cache organization differs beyond size. The Core Ultra X9 388H uses 192 KB L1 per core and 3 MB L2 per core, while the Processor N250 uses 96 KB L1 per core and 2 MB shared L2. Shared L3 is 18 MB on the Core Ultra X9 388H versus 6 MB on the Processor N250.

Memory support: LPDDR5X only on the Core Ultra X9 388H, versus DDR4, DDR5, and LPDDR5 on the Processor N250. Memory bus: dual-channel versus single-channel. Memory bandwidth: 153.6 GB/s versus 38.4 GB/s. PCIe: Gen 5 with 4 CPU lanes versus Gen 3 with 9 CPU lanes. Integrated graphics: Arc B390 versus UHD Graphics 730. Socket: Intel BGA 2540 versus Intel BGA 1264.

Architecture and generation also differ. The Core Ultra X9 388H uses Panther Lake with the Ultra X9 (Panther Lake-H) generation label. The Processor N250 uses Twin Lake with the Intel Processor (Alder Lake-N) generation label. Both are active production parts from Intel, both are mobile segment, both lack ECC memory support, and neither has an unlocked multiplier. Release dates differ: the Core Ultra X9 388H was released on January 4, 2026, and the Processor N250 on January 6, 2025, roughly one year earlier.