Intel Core Ultra X9 388H vs Intel Processor 300 Comparison

FAQ

Q: How does the Intel Core Ultra X9 388H compare to the Intel Processor 300 in overall benchmark standing?

A: The Core Ultra X9 388H sits at the 88th percentile among all CPUs in the database, while the Intel Processor 300 sits at the 50th percentile. The Core Ultra X9 388H also has an average benchmark score of 44466, whereas the Intel Processor 300 has no recorded average score in the database.

Q: What are the core and thread counts for each processor?

A: The Intel Core Ultra X9 388H has 16 cores and 16 threads. The Intel Processor 300 has 2 cores and 4 threads. This means the Processor 300 supports simultaneous multithreading, while the Core Ultra X9 388H does not.

Q: Which processor has a higher boost clock?

A: The Intel Core Ultra X9 388H has a boost clock of 5.10 GHz. The Intel Processor 300 has no listed boost clock in the database, with a base clock of 3.90 GHz compared to the Core Ultra X9 388H's base clock of 2.10 GHz.

Q: What are the TDP ratings for these two processors?

A: The Intel Core Ultra X9 388H has a TDP of 25 watts. The Intel Processor 300 has a TDP of 46 watts. The desktop processor consumes more power despite having far fewer cores.

Q: What process nodes do the two processors use?

A: The Intel Core Ultra X9 388H uses a 3 nm process node. The Intel Processor 300 uses a 10 nm process node. Both processors are manufactured by Intel.

Q: Do both processors support ECC memory?

A: No. Both the Intel Core Ultra X9 388H and the Intel Processor 300 have ECC memory support set to false in the database. Neither processor supports ECC memory.

Architecture Differences

The Intel Core Ultra X9 388H and the Intel Processor 300 represent fundamentally different design points within Intel's product stack. The Core Ultra X9 388H comes from the Panther Lake architecture, specifically the Panther Lake-H generation, and belongs to the Core Ultra Series 3. It is built on a 3 nm process node by Intel's foundry. The Processor 300 uses the Raptor Lake architecture, specifically Raptor Lake-S, and is built on a 10 nm process node. The die size of the Processor 300 measures 163 mm², while the Core Ultra X9 388H has no recorded die size.

The core configurations differ dramatically. The Core Ultra X9 388H packs 16 cores and 16 threads, with no hyperthreading. The Processor 300 has 2 cores and 4 threads, meaning it does use simultaneous multithreading. The cache hierarchy also reflects the different scales. The Core Ultra X9 388H has 192 KB of L1 cache per core, 3 MB of L2 cache per core, and 18 MB of shared L3 cache. The Processor 300 has 80 KB of L1 cache per core, 1.25 MB of L2 cache per core, and 6 MB of shared L3 cache.

Memory support differs as well. The Core Ultra X9 388H supports LPDDR5X memory over a dual-channel bus with a memory bandwidth of 153.6 GB/s. The Processor 300 supports both DDR4 and DDR5 memory over a dual-channel bus, with no memory bandwidth figure recorded. PCIe capabilities also diverge: the Core Ultra X9 388H provides Gen 5 with 4 lanes (CPU only), while the Processor 300 provides Gen 5 with 16 lanes (CPU only). The integrated graphics differ, with the Core Ultra X9 388H using Arc B390 and the Processor 300 using UHD Graphics 710.

The socket and market positioning reinforce the split. The Core Ultra X9 388H uses Intel BGA 2540 and targets the mobile market segment. The Processor 300 uses Intel Socket 1700 and targets the desktop segment. Both processors are locked, with multiplier unlock set to false. Release dates differ, with the Processor 300 released on 2024-01-07 and the Core Ultra X9 388H released on 2026-01-04.

Head-to-Head Benchmarks

The database does not include direct head-to-head benchmark results between the Intel Core Ultra X9 388H and the Intel Processor 300. The head-to-head benchmark array is empty, and neither processor records a win count in direct comparisons. However, the Core Ultra X9 388H has a full suite of individual benchmark scores, while the Processor 300 has no recorded benchmark scores at all.

The Core Ultra X9 388H delivers substantial multi-core performance in Cinebench tests. It scores 2955 in Cinebench R15 multi-core, 13101 in Cinebench R20 multi-core, and 18911 in Cinebench R23 multi-core. Single-core results show 309.5 in Cinebench R15, 1849 in Cinebench R20, and 2200.5 in Cinebench R23. PassMark results further illustrate the processor's capabilities: 361763 in data compression, 28490 in data encryption, 29943 in extended instructions, 358 in find prime numbers, 112550 in floating point math, 90882 in integer math, 36811 in multithread, 3226 in physics, 44010 in random string sorting, and 4280 in single thread.

The closest rivals in the database provide context for the Core Ultra X9 388H's standing. The AMD Ryzen 5 7500X3D has an average score of 44573, which is 0.2% higher than the Core Ultra X9 388H's average of 44466. The Intel Core i9-13950HX scores 44342, which is 0.3% lower. The AMD Ryzen AI Max 385 scores 44309, 0.4% lower. The Intel Core i5-13600 scores 44240, 0.5% lower. These margins are tight, placing the Core Ultra X9 388H within a narrow performance band around these rivals.

Because the Processor 300 has no benchmark scores in the database, no direct numerical comparison is possible for individual workloads. The Processor 300's percentile rank of 50 against the Core Ultra X9 388H's 88th percentile indicates a wide gap in overall performance classification, but specific benchmark deltas cannot be computed from the recorded data.

The Verdict

The recorded data supports a clear separation between these two processors. The Intel Core Ultra X9 388H is positioned for mobile computing with a 16-core Panther Lake design, a 3 nm process node, and an 88th percentile ranking. Its average benchmark score of 44466 places it in direct competition with high-end desktop and mobile parts like the AMD Ryzen 5 7500X3D and the Intel Core i9-13950HX, with deltas of -0.2% and +0.3% respectively.

The Intel Processor 300 is a desktop entry point with 2 cores and 4 threads, a 10 nm Raptor Lake design, and a 50th percentile ranking. It has no recorded benchmark scores in the database, so its performance cannot be quantified against the Core Ultra X9 388H. The Processor 300 does have a listed launch MSRP of $82, which is the only pricing data available for either part.

Users requiring multi-core throughput, high memory bandwidth, and a modern process node would select the Core Ultra X9 388H based on the available data. Users requiring a desktop socket with 16 PCIe Gen 5 lanes and DDR4 or DDR5 memory support would select the Processor 300, though its performance characteristics remain unmeasured in the database.

Specification Differences

The two processors differ across nearly every recorded specification field. The Core Ultra X9 388H has 16 cores and 16 threads, while the Processor 300 has 2 cores and 4 threads. The Core Ultra X9 388H has a base clock of 2.10 GHz and a boost clock of 5.10 GHz. The Processor 300 has a base clock of 3.90 GHz and no listed boost clock.

TDP differs significantly: 25 watts for the Core Ultra X9 388H versus 46 watts for the Processor 300. The socket differs, with Intel BGA 2540 on the Core Ultra X9 388H and Intel Socket 1700 on the Processor 300. The architecture differs, with Panther Lake on the Core Ultra X9 388H and Raptor Lake on the Processor 300. The process node differs, with 3 nm on the Core Ultra X9 388H and 10 nm on the Processor 300. The die size is recorded only for the Processor 300 at 163 mm².

Cache configurations differ across all levels. The Core Ultra X9 388H has 192 KB L1 per core, 3 MB L2 per core, and 18 MB shared L3. The Processor 300 has 80 KB L1 per core, 1.25 MB L2 per core, and 6 MB shared L3. Memory support differs: LPDDR5X for the Core Ultra X9 388H versus DDR4 and DDR5 for the Processor 300. Memory bandwidth is recorded only for the Core Ultra X9 388H at 153.6 GB/s. PCIe lanes differ, with 4 lanes on the Core Ultra X9 388H and 16 lanes on the Processor 300, both Gen 5. Integrated graphics differ, with Arc B390 on the Core Ultra X9 388H and UHD Graphics 710 on the Processor 300. Market segment differs, with Mobile for the Core Ultra X9 388H and Desktop for the Processor 300. Release dates differ: 2026-01-04 for the Core Ultra X9 388H and 2024-01-07 for the Processor 300.

Where Each One Wins

The Intel Core Ultra X9 388H wins on core count, thread count, boost clock, process node, L3 cache capacity, memory bandwidth, and integrated graphics tier. Its 16 cores and 18 MB of shared L3 cache position it for parallel workloads, and its 153.6 GB/s memory bandwidth supports data-intensive tasks. The 5.10 GHz boost clock provides high single-thread headroom when needed. The 3 nm process node indicates a newer manufacturing technology. The 88th percentile ranking and average benchmark score of 44466 place it among the top performers in the database, trading margins of less than 1% with four nearby rivals.

The Intel Processor 300 wins on base clock, TDP efficiency per clock, PCIe lane count, memory flexibility, and desktop platform support. Its 3.90 GHz base clock exceeds the Core Ultra X9 388H's 2.10 GHz base clock. Its 46 watt TDP is higher in absolute terms, but it drives only 2 cores. The 16 PCIe Gen 5 lanes provide more direct expansion capability for desktop components. Support for both DDR4 and DDR5 memory offers platform flexibility. The Socket 1700 form factor targets desktop builds, and the processor has a recorded die size of 163 mm², which is not available for the Core Ultra X9 388H. The Processor 300 also has a launch MSRP of $82, the only pricing datum in the database for either part.

The database contains no direct head-to-head benchmark results, so workload-level win comparisons cannot be made with measured deltas. The Core Ultra X9 388H's benchmark suite demonstrates strength across Cinebench multi-core and single-core tests, PassMark math operations, encryption, compression, and sorting workloads. The Processor 300 has no recorded scores, leaving its workload performance uncharacterized. The data indicates a mobile-first, high-core-count processor facing a desktop-first, low-core-count processor with different platform priorities.