AMD Ryzen Embedded 9950X3D vs Intel Core Ultra 7 366H Comparison

Head-to-Head Benchmarks

The recorded data contains a full benchmark suite for the Intel Core Ultra 7 366H, while the AMD Ryzen Embedded 9950X3D has no benchmark scores in the database. This creates an asymmetric comparison: the Intel part can be positioned directly against its rivals, but the AMD part can only be assessed through its architectural specifications and market positioning.

The Intel Core Ultra 7 366H shows its strongest results in multi-threaded workloads. In Cinebench R23, it records a multicore score of 28,477, which places it firmly in the upper tier of mobile processors. The single-core score of 4,020 in the same test indicates strong per-thread performance, a result that aligns with its boost clock of 4.80 GHz. In Cinebench R20, the multicore score drops to 11,960, while the single-core score lands at 1,688. The older Cinebench R15 test shows a multicore score of 2,870 and a single-core score of 405, which confirms consistent scaling across all three Cinebench versions.

PassMark results add another layer of detail. The multithread score of 33,429 and the single-thread score of 4,043 both suggest a balanced processor that handles heavily parallel tasks and latency-sensitive workloads with similar competence. The data compression score of 327,455 is particularly strong, indicating that the processor excels in workloads that rely on high-throughput data manipulation. Encryption performance, measured at 25,845 in the PassMark data encryption test, shows solid cryptographic throughput. Floating-point math scores 103,615, while integer math reaches 83,695, demonstrating that the processor handles both numeric domains effectively.

The physics score of 2,880 and the extended instructions score of 26,901 round out the picture. Random string sorting records 39,814, and prime number finding scores 326. The average benchmark score for the Intel part is 41,263, and its percentile versus all CPUs is 87, meaning it outperforms 87 percent of processors in the database. Its nearest rivals in the database include the Intel Core Ultra 7 356H with an average score of 41,215 and a delta of 0.1 percent, the AMD Ryzen AI 5 PRO 440 with 41,208 and a delta of 0.1 percent, and the AMD Ryzen 9 5900X with 41,376 and a delta of -0.3 percent. The Intel Core Ultra X7 358H scores 40,967 with a delta of 0.7 percent. The 366H is effectively tied with these four processors, all within a one-point margin.

Architecture Differences

The two processors come from different architectural lineages. The AMD Ryzen Embedded 9950X3D belongs to the 9000 series and uses the Granite Ridge codename, built on the Zen 5 microarchitecture. The process node is 4 nm, manufactured by TSMC, with a transistor count of 16,630 million and a die size of 2x 70.6 mm². The Intel Core Ultra 7 366H is part of the Core Ultra Series 3, uses the Panther Lake codename, and is built on the Panther Lake-H architecture. Its process node is 3 nm, produced by Intel's own foundry.

The cache configurations differ substantially. The AMD part has an L1 cache of 80 KB per core, an L2 cache of 1 MB per core, and an L3 cache of 128 MB. The Intel part has an L1 cache of 192 KB per core, an L2 cache of 2.5 MB per core, and an L3 cache of 18 MB shared across all cores. The AMD processor's 128 MB L3 cache is a defining feature, likely related to its embedded 3D V-Cache technology, although the database does not explicitly separate this. The Intel part's larger per-core L1 and L2 caches allow for faster access to recently used data, but its smaller shared L3 cache means less total on-die storage.

The memory support also differs. The AMD processor supports DDR5 with a dual-channel memory bus and a memory bandwidth of 89.6 GB/s. The Intel processor supports both DDR5 and LPDDR5X, also with a dual-channel memory bus, but its memory bandwidth is higher at 115.2 GB/s. ECC memory is supported on the AMD part, but not on the Intel part. PCIe connectivity also differs: the AMD part offers Gen 5 with 24 lanes, while the Intel part offers Gen 5 with 12 lanes. Integrated graphics are present on both, with the AMD part using Radeon Graphics and the Intel part using Intel Xe3 Graphics.

Where Each One Wins

The Intel Core Ultra 7 366H wins in every benchmark category for which the database has scores, simply because the AMD Ryzen Embedded 9950X3D has no recorded benchmark results. The Intel part's 87th percentile ranking and its tight grouping with four rivals, all within 0.7 percent, suggest that it is a highly competitive mobile processor. Its best relative performance appears in data compression, where the score of 327,455 stands out relative to its other PassMark results.

The AMD processor's strengths must be inferred from its specifications. Its 128 MB L3 cache, 16 cores, 32 threads, and boost clock of 5.70 GHz point to strong multi-threaded performance in workloads that benefit from large caches. The 170 W TDP indicates a desktop-class part designed for sustained, high-power operation, which likely gives it a significant advantage in all-core workloads compared to the 25 W TDP of the Intel mobile part. The AMD part's support for ECC memory and 24 PCIe Gen 5 lanes also positions it for server and embedded applications where reliability and expandability matter more than raw benchmark scores.

The Intel part wins in mobility and power efficiency. Its 25 W TDP is far lower than the AMD part's 170 W, making it suitable for thin-and-light laptops. Its memory bandwidth of 115.2 GB/s exceeds the AMD part's 89.6 GB/s, suggesting an advantage in memory-bound workloads. The Intel part's support for both DDR5 and LPDDR5X gives system designers more flexibility in memory configuration. The Intel part's release date of 2026-01-04 is later than the AMD part's release date of 2025-10-06, meaning the Intel part benefits from a more recent design cycle.

Specification Differences

The two processors differ in several key specification fields. The AMD Ryzen Embedded 9950X3D has 16 cores and 32 threads, while the Intel Core Ultra 7 366H has 16 cores and 16 threads. This means the AMD part has simultaneous multithreading, while the Intel part does not. The base clock of the AMD part is 4.30 GHz, compared to 2.00 GHz for the Intel part. The boost clock is 5.70 GHz for the AMD part and 4.80 GHz for the Intel part.

The TDP differs dramatically: 170 W for the AMD part and 25 W for the Intel part. The socket is also different: AMD Socket AM5 for the AMD part and Intel BGA 2540 for the Intel part. The AMD part has an unlocked multiplier, while the Intel part does not. The process node is 4 nm for the AMD part and 3 nm for the Intel part, with different foundries: TSMC for AMD and Intel for Intel.

The cache hierarchy shows the AMD part with 80 KB L1 per core, 1 MB L2 per core, and 128 MB L3, while the Intel part has 192 KB L1 per core, 2.5 MB L2 per core, and 18 MB L3 shared. The memory bandwidth is 89.6 GB/s for the AMD part and 115.2 GB/s for the Intel part. ECC memory is supported on the AMD part but not the Intel part. PCIe lanes are 24 for the AMD part and 12 for the Intel part, both Gen 5. The market segment is Desktop for the AMD part and Mobile for the Intel part. The part numbers are 100-000000719E for AMD and SA4R9Q9EL for Intel.

FAQ

Q: Which processor has more threads?

A: The AMD Ryzen Embedded 9950X3D has 32 threads, while the Intel Core Ultra 7 366H has 16 threads. Both have 16 cores, but the AMD part supports simultaneous multithreading.

Q: What is the L3 cache size for each processor?

A: The AMD Ryzen Embedded 9950X3D has 128 MB of L3 cache. The Intel Core Ultra 7 366H has 18 MB of shared L3 cache.

Q: Which processor has a higher boost clock?

A: The AMD Ryzen Embedded 9950X3D has a boost clock of 5.70 GHz. The Intel Core Ultra 7 366H has a boost clock of 4.80 GHz.

Q: What is the memory bandwidth difference?

A: The AMD Ryzen Embedded 9950X3D has a memory bandwidth of 89.6 GB/s, while the Intel Core Ultra 7 366H has a memory bandwidth of 115.2 GB/s.

Q: Does the Intel processor support ECC memory?

A: No, the Intel Core Ultra 7 366H does not support ECC memory. The AMD Ryzen Embedded 9950X3D does support ECC memory.

Q: What is the process node for each processor?

A: The AMD Ryzen Embedded 9950X3D is built on a 4 nm process by TSMC. The Intel Core Ultra 7 366H is built on a 3 nm process by Intel.

The Verdict

The data shows two processors designed for entirely different purposes. The AMD Ryzen Embedded 9950X3D is a desktop-class, 170 W processor with 32 threads, a 5.70 GHz boost clock, and 128 MB of L3 cache, built for Socket AM5 with an unlocked multiplier. Its ECC memory support and 24 PCIe Gen 5 lanes make it suitable for embedded and server workloads where sustained multi-core performance and system reliability are primary concerns. The lack of benchmark scores in the database means its performance cannot be directly quantified, but its specifications indicate a high-core-count, high-cache design.

The Intel Core Ultra 7 366H is a mobile processor with a 25 W TDP, 16 threads, and a 4.80 GHz boost clock. Its benchmark results place it at the 87th percentile of all CPUs, with an average score of 41,263. It is statistically tied with its nearest rivals, including the Intel Core Ultra 7 356H, the AMD Ryzen AI 5 PRO 440, and the AMD Ryzen 9 5900X, all within a 0.7 percent delta. Its memory bandwidth of 115.2 GB/s is higher than the AMD part's, and its support for LPDDR5X gives it an edge in power-sensitive mobile designs.

The choice between the two depends on the workload and form factor. For desktop or embedded systems that require maximum thread count, large cache, and ECC support, the AMD part is the clear option. For mobile systems that need competitive performance at a fraction of the power draw, the Intel part is the only viable choice, given its BGA socket and 25 W TDP. The benchmark data confirms that the Intel part performs at a high level, but it does not and cannot measure the AMD part's capabilities, which remain unquantified in the database.