Intel Core Ultra 9 386H vs Intel Processor 300T Comparison

FAQ

Q: How does the Intel Core Ultra 9 386H compare to the Intel Processor 300T in core and thread counts?

A: The Ultra 9 386H has 16 cores and 16 threads, while the Processor 300T has 2 cores and 4 threads.

Q: What are the base clock speeds of the two processors?

A: The Ultra 9 386H has a base clock of 2.10 GHz, while the Processor 300T has a base clock of 3.40 GHz.

Q: Which processor has a higher boost clock?

A: The Ultra 9 386H has a boost clock of 4.90 GHz. The Processor 300T has no listed boost clock in the database.

Q: What is the process node for each processor?

A: The Ultra 9 386H is built on Intel's 3 nm process, while the Processor 300T is built on the 10 nm process.

Q: Which processor has a larger L3 cache?

A: The Ultra 9 386H has 18 MB of shared L3 cache, while the Processor 300T has 6 MB of shared L3 cache.

Q: What sockets do these processors use?

A: The Ultra 9 386H uses Intel BGA 2540, while the Processor 300T uses Intel Socket 1700.

Architecture Differences

The Intel Core Ultra 9 386H and Intel Processor 300T represent two distinct architectural generations and market positions. The Ultra 9 386H is based on the Panther Lake architecture, specifically the Panther Lake-H generation within the Core Ultra Series 3. It is fabricated on Intel's 3 nm process node. The Processor 300T uses the older Raptor Lake architecture, designated as Raptor Lake-S, and is manufactured on the 10 nm process node.

The core configurations differ substantially. The Ultra 9 386H integrates 16 cores with 16 threads, a 1:1 core-to-thread ratio. The Processor 300T has only 2 cores and 4 threads, enabling simultaneous multithreading on each physical core. This structural difference alone explains most of the performance gap between the two parts.

Cache hierarchies also differ significantly. The Ultra 9 386H allocates 192 KB of L1 cache per core and 2.5 MB of L2 cache per core, with 18 MB of shared L3 cache. The Processor 300T has 80 KB of L1 per core, 1.25 MB of L2 per core, and 6 MB of shared L3. The Ultra 9's larger per-core caches and three times the shared L3 capacity give it a clear advantage in workloads that benefit from larger working sets.

Memory support differs as well. The Ultra 9 386H supports DDR5 and LPDDR5X memory across a dual-channel bus, with a recorded memory bandwidth of 115.2 GB/s. The Processor 300T supports DDR4 and DDR5 on a dual-channel bus, but no memory bandwidth figure is recorded in the database. Both processors lack ECC memory support.

PCIe connectivity shows a notable divergence. The Ultra 9 386H provides Gen 5 with 12 CPU-only lanes, while the Processor 300T provides Gen 5 with 16 CPU-only lanes. The Processor 300T therefore offers more direct PCIe lanes despite its older architecture.

The integrated graphics differ by generation. The Ultra 9 386H uses Intel Xe3 Graphics, while the Processor 300T uses UHD Graphics 710. The Ultra 9 is a mobile segment part on Intel BGA 2540, whereas the Processor 300T is a desktop part on Intel Socket 1700. The Processor 300T has a recorded die size of 163 mm²; no die size is recorded for the Ultra 9 386H. The Processor 300T also has a recorded launch MSRP of $82, while the Ultra 9 386H has no launch MSRP listed.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark entries pairing these two processors. However, the Ultra 9 386H has an extensive set of recorded benchmark scores, while the Processor 300T has no recorded benchmark scores at all. This asymmetry makes direct numerical comparison impossible for most tests.

The Ultra 9 386H's recorded performance places it at the 88th percentile among all CPUs. Its average benchmark score is 43,210. The Processor 300T sits at the 50th percentile with an average benchmark score of 0, reflecting the absence of recorded benchmark data.

Looking at the Ultra 9 386H's nearest rivals provides context for its performance tier. The AMD Ryzen AI Max PRO 385 has an average score of 43,326, which is 0.3% higher than the Ultra 9. The AMD Ryzen AI 9 465 scores 43,431, 0.5% higher. The Intel Core i9-12900 scores 42,906, which is 0.7% lower than the Ultra 9, and the Intel Core i9-12900KF scores 42,830, 0.9% lower. These deltas place the Ultra 9 386H in a tightly contested performance band around the 43,000 average score mark.

The Ultra 9 386H's individual benchmark results show consistent strength across both single-thread and multi-thread workloads. In Cinebench R15, it scores 3,223 in multicore and 303.5 in singlecore. In Cinebench R20, the scores are 12,820 multicore and 1,809 singlecore. In Cinebench R23, it reaches 20,547 multicore and 2,071.5 singlecore.

PassMark results further detail its capabilities. The multithread score is 35,399, while the single-thread score is 4,218. Integer math scores 87,284, floating-point math scores 108,527, and extended instructions score 29,138. Data compression reaches 352,365, data encryption scores 27,150, and prime number finding scores 341. Physics simulation scores 3,028, and random string sorting scores 42,135.

Without benchmark data for the Processor 300T, the only quantitative comparison available is through the architectural specifications. The Ultra 9 386H's 16 cores versus 2 cores, its 4.90 GHz boost clock versus no recorded boost clock, and its 18 MB versus 6 MB L3 cache all indicate a substantial performance advantage for the Ultra 9 in heavily threaded workloads. The Processor 300T's higher base clock of 3.40 GHz versus 2.10 GHz suggests it may hold an advantage in lightly threaded, latency-sensitive scenarios, but no benchmark scores confirm this.

Specification Differences

The two processors differ across nearly every recorded specification field.

Cores and Threads: The Ultra 9 386H has 16 cores and 16 threads. The Processor 300T has 2 cores and 4 threads.

Clock Speeds: The Ultra 9 386H has a base clock of 2.10 GHz and a boost clock of 4.90 GHz. The Processor 300T has a base clock of 3.40 GHz and no recorded boost clock.

TDP: The Ultra 9 386H has a TDP of 25 watts. The Processor 300T has a TDP of 35 watts.

Socket: The Ultra 9 386H uses Intel BGA 2540. The Processor 300T uses Intel Socket 1700.

Architecture and Process: The Ultra 9 386H uses Panther Lake on a 3 nm node. The Processor 300T uses Raptor Lake on a 10 nm node.

Cache: The Ultra 9 386H has 192 KB L1 per core, 2.5 MB L2 per core, and 18 MB shared L3. The Processor 300T has 80 KB L1 per core, 1.25 MB L2 per core, and 6 MB shared L3.

Memory Support: The Ultra 9 386H supports DDR5 and LPDDR5X. The Processor 300T supports DDR4 and DDR5. Both use dual-channel buses.

Memory Bandwidth: The Ultra 9 386H has a recorded memory bandwidth of 115.2 GB/s. The Processor 300T has no recorded memory bandwidth.

PCIe: The Ultra 9 386H offers Gen 5 with 12 CPU-only lanes. The Processor 300T offers Gen 5 with 16 CPU-only lanes.

Integrated Graphics: The Ultra 9 386H uses Intel Xe3 Graphics. The Processor 300T uses UHD Graphics 710.

Market Segment: The Ultra 9 386H is a mobile processor. The Processor 300T is a desktop processor.

Die Size: The Processor 300T has a recorded die size of 163 mm². No die size is recorded for the Ultra 9 386H.

Release Date: The Ultra 9 386H has a release date of 2026-01-04. The Processor 300T has a release date of 2024-01-07.

Launch MSRP: The Processor 300T has a launch MSRP of $82. The Ultra 9 386H has no launch MSRP listed.

Part Number: The Ultra 9 386H has part number SA4R5Q9EH. The Processor 300T has part number SRN3K.

Both processors are actively in production, are not multiplier unlocked, and do not support ECC memory.

Where Each One Wins

The Ultra 9 386H wins in every recorded benchmark category, though this is partly because the Processor 300T has no benchmark scores in the database. The Ultra 9's 16 cores and 16 threads give it a decisive advantage in multi-threaded workloads such as video rendering, 3D simulation, and data processing. Its Cinebench R23 multicore score of 20,547 reflects strong sustained throughput across all cores. The large 18 MB L3 cache supports workloads with substantial data reuse, and the 115.2 GB/s memory bandwidth feeds the 16 cores efficiently. The 3 nm process node and Panther Lake architecture deliver higher performance per watt, which matters for mobile deployments where the 25-watt TDP is a constraint.

The Processor 300T wins in a narrower set of scenarios. Its 3.40 GHz base clock is substantially higher than the Ultra 9's 2.10 GHz base clock, which can benefit lightly threaded workloads that do not scale across cores. Desktop users on Intel Socket 1700 may prefer the Processor 300T for its 16 PCIe Gen 5 lanes, which provide more direct expansion headroom for discrete devices. The 10 nm Raptor Lake architecture, while older, remains an active production part with DDR4 support, which enables builds using more affordable memory platforms. The 35-watt TDP is higher than the Ultra 9's 25 watts, but the desktop form factor does not impose the same thermal constraints as a mobile chassis.

The Ultra 9 386H also holds the advantage in integrated graphics, using Intel Xe3 Graphics compared to the Processor 300T's UHD Graphics 710. For systems relying on the iGPU, the Ultra 9 offers a more capable graphics solution, though no graphics benchmarks are recorded in the database to quantify the difference.

The Verdict

The data shows a clear performance hierarchy between these two processors. The Intel Core Ultra 9 386H sits at the 88th percentile of all CPUs with an average benchmark score of 43,210, placing it alongside the AMD Ryzen AI Max PRO 385, AMD Ryzen AI 9 465, Intel Core i9-12900, and Intel Core i9-12900KF. The Processor 300T sits at the 50th percentile with no recorded benchmark scores.

For multi-threaded workloads, the Ultra 9 386H is the only viable choice between the two. Its 16 cores, 18 MB of L3 cache, and 4.90 GHz boost clock deliver recorded scores that position it as a high-end mobile processor. The Cinebench R23 multicore score of 20,547 and PassMark multithread score of 35,399 indicate strong parallel performance. The 25-watt TDP makes it suitable for mobile systems where power efficiency is a priority.

For desktop users with lightly threaded workloads, the Processor 300T offers a higher base clock of 3.40 GHz and support for DDR4 and DDR5 memory. Its 16 PCIe Gen 5 lanes exceed the Ultra 9's 12 lanes, providing more direct connectivity for expansion cards. Its launch MSRP of $82 positions it as an entry-level desktop part, though pricing analysis is outside the scope of this assessment.

The absence of benchmark data for the Processor 300T means its real-world performance cannot be verified from the database. Buyers choosing the Processor 300T must rely on its architectural specifications alone. Buyers choosing the Ultra 9 386H have extensive recorded evidence of its performance across Cinebench R15, R20, R23, and PassMark suites. The recorded data favors the Ultra 9 386H for any workload that can use more than a few cores.