AMD Ryzen AI 9 365 vs AMD Ryzen Embedded 8645HS Comparison

The Verdict

The benchmark database separates these two AMD processors clearly, though not by a narrow margin. The AMD Ryzen AI 9 365 sits in the 87th percentile of all CPUs tested, while the AMD Ryzen Embedded 8645HS sits in the 50th percentile. That percentile gap alone tells the primary story: the Ryzen AI 9 365 is the higher-performing part across the board.

The Ryzen AI 9 365 posts an average benchmark score of 40048, placing it within 0.7% of processors like the Intel Core i9-13905H and the AMD Ryzen 9 270. The Ryzen Embedded 8645HS has no recorded average score in the database, and its benchmark array is empty, meaning the database has no direct measurements for it. The comparison therefore relies on the specification differences and the architectural record.

For workloads that demand many threads, the Ryzen AI 9 365 is the clear choice. It offers 10 cores and 20 threads versus 6 cores and 12 threads on the Embedded part. The Ryzen AI 9 365 also uses the newer Zen 5 architecture on a 233 mm² die, compared to the Zen 4 architecture on a 178 mm² die for the Embedded 8645HS. The larger die and newer core design correlate with the higher benchmark percentiles.

The Ryzen Embedded 8645HS does hold advantages in specific areas. It has a much higher base clock of 4.30 GHz versus 2.00 GHz on the AI 9 365, though both boost to 5.00 GHz. The Embedded part also supports ECC memory, which the AI 9 365 does not. It carries more PCIe lanes (20 versus 16) and uses a smaller die at 178 mm² versus 233 mm². These traits point toward embedded and industrial applications where reliability and memory integrity matter more than raw multi-threaded throughput.

The data suggests the Ryzen AI 9 365 for general mobile computing, content creation, and any task that scales with core count. The Ryzen Embedded 8645HS suits scenarios where ECC memory, higher base frequency, and additional PCIe connectivity take priority, and where the lower core count is acceptable.

FAQ

Q: Which processor has more cores and threads?

A: The AMD Ryzen AI 9 365 has 10 cores and 20 threads, while the AMD Ryzen Embedded 8645HS has 6 cores and 12 threads.

Q: Do both processors use the same manufacturing process?

A: Yes, both are fabricated on a 4 nm process at TSMC. They differ in die size: the Ryzen AI 9 365 measures 233 mm², while the Ryzen Embedded 8645HS measures 178 mm².

Q: Which processor supports ECC memory?

A: The AMD Ryzen Embedded 8645HS supports ECC memory. The AMD Ryzen AI 9 365 does not list ECC memory support in the database.

Q: How do their clock speeds compare?

A: The Ryzen Embedded 8645HS has a base clock of 4.30 GHz, significantly higher than the Ryzen AI 9 365's base clock of 2.00 GHz. Both processors boost to 5.00 GHz.

Q: What are the integrated graphics on each processor?

A: The Ryzen AI 9 365 uses the Radeon 880M, while the Ryzen Embedded 8645HS uses the Radeon 760M.

Q: Which processor has a higher benchmark percentile ranking?

A: The Ryzen AI 9 365 ranks in the 87th percentile of all CPUs in the database, whereas the Ryzen Embedded 8645HS ranks in the 50th percentile.

Architecture Differences

The two processors come from different architectural generations. The Ryzen AI 9 365 uses the Zen 5 architecture under the codename Strix Point, belonging to the Ryzen AI 300 generation which combines Zen 5 and Zen 5c cores. The Ryzen Embedded 8645HS uses the Zen 4 architecture under the codename Hawk Point, part of the Ryzen Embedded 8000 series generation.

The process node is identical at 4 nm from TSMC, but the die sizes diverge. The Ryzen AI 9 365 has a die size of 233 mm², while the Ryzen Embedded 8645HS has a die size of 178 mm². The Embedded part lists 25,000 million transistors, while the AI 9 365 does not have a transistor count recorded in the database.

Cache organization differs as well. The Ryzen AI 9 365 provides 80 KB of L1 cache per core and 1 MB of L2 cache per core, with 16 MB of L3 cache. The Ryzen Embedded 8645HS provides 64 KB of L1 cache per core and 1 MB of L2 cache per core, with 16 MB of shared L3 cache. Both share the same 16 MB L3 total, but the per-core L1 allocation is larger on the AI 9 365.

The integrated graphics differ: the AI 9 365 uses the Radeon 880M, while the Embedded part uses the Radeon 760M. Memory support also differs in scope. The AI 9 365 supports both DDR5 and LPDDR5X, whereas the Embedded 8645HS supports DDR5 only. The Embedded part supports ECC memory, a feature absent from the AI 9 365.

PCIe connectivity differs in lane count. The Ryzen Embedded 8645HS provides 20 PCIe Gen 4 lanes (CPU only), while the Ryzen AI 9 365 provides 16 PCIe Gen 4 lanes (CPU only). Both use the AMD Socket FP8 and are classified as mobile market segments with active production status.

Specification Differences

The recorded specifications distinguish these two parts in several key areas. Core count differs: 10 cores for the AI 9 365 versus 6 cores for the Embedded 8645HS. Thread count follows: 20 threads versus 12 threads. Base clock differs markedly: 2.00 GHz versus 4.30 GHz. Boost clock is identical at 5.00 GHz for both.

Thermal design power differs, with the AI 9 365 rated at 28 TDP and the Embedded 8645HS rated at 45 TDP. The architecture differs (Zen 5 versus Zen 4), as do the codenames (Strix Point versus Hawk Point) and generations (Ryzen AI 300 versus Ryzen Embedded 8000 series).

Die size differs: 233 mm² versus 178 mm². The Embedded part records 25,000 million transistors; the AI 9 365 has no transistor count in the database. L1 cache per core differs: 80 KB versus 64 KB. L2 cache per core is the same at 1 MB. L3 cache is 16 MB for both, though the AI 9 365 lists it without the "shared" qualifier.

Memory support differs: DDR5 and LPDDR5X for the AI 9 365 versus DDR5 only for the Embedded part. ECC memory support differs: false for the AI 9 365, true for the Embedded 8645HS. PCIe lanes differ: 16 versus 20, both Gen 4. Integrated graphics differ: Radeon 880M versus Radeon 760M. Release dates differ: the AI 9 365 released on 2024-06-30, while the Embedded 8645HS released on 2024-04-01. Neither processor has a launch MSRP recorded, and neither has an unlocked multiplier.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark entries for these two processors. The wins counters for both are zero, and the head-to-head benchmark array is empty. However, the Ryzen AI 9 365 has a substantial set of individual benchmark scores recorded, while the Ryzen Embedded 8645HS has none.

The Ryzen AI 9 365's recorded scores provide a reference point for its capability. In Cinebench R23, it scores 18698 in multicore and 1992 in singlecore. In Cinebench R15, it scores 2842 in multicore and 303 in singlecore. Geekbench results show 13760 in multicore and 2253 in singlecore.

PassMark results for the AI 9 365 cover multiple workloads: data compression at 354510, data encryption at 18297, extended instructions at 25113, find prime numbers at 117, floating point math at 62802, integer math at 101831, multithread at 29467, physics at 1704, random string sorting at 39447, and single thread at 3841.

Since the Embedded 8645HS has no recorded benchmark scores, the database cannot produce a direct comparison of measured performance. The comparison instead rests on the specification differences and the percentile rankings, which place the AI 9 365 at 87 and the Embedded part at 50.

The nearest rivals to the AI 9 365 in the database are the AMD Ryzen 7 7700 with an average score of 40081 (0.1% higher), the Intel Core 5 221E with 40144 (0.2% higher), the AMD Ryzen 9 270 with 40246 (0.5% higher), and the Intel Core i9-13905H with 40313 (0.7% higher). These narrow margins indicate the AI 9 365 sits in a competitive performance tier near those desktop and mobile parts.

Where Each One Wins

The Ryzen AI 9 365 wins in every measured performance category, based on the data available. Its 10 cores and 20 threads give it a clear advantage in multi-threaded workloads. The 87th percentile ranking versus the 50th percentile ranking for the Embedded part confirms this. The AI 9 365 has a complete set of benchmark scores across Cinebench, Geekbench, and PassMark, all indicating strong performance across compression, encryption, floating point, integer math, and physics workloads.

The Ryzen Embedded 8645HS wins in several specification categories that matter for embedded deployments. Its base clock of 4.30 GHz is more than double the AI 9 365's 2.00 GHz, which can translate to lower latency in single-threaded or lightly threaded tasks that do not scale with core count. Its ECC memory support provides error correction capabilities absent from the AI 9 365, a critical feature for data integrity in industrial or server-adjacent environments. Its 20 PCIe Gen 4 lanes exceed the 16 lanes on the AI 9 365, allowing more peripheral connectivity. Its smaller die size at 178 mm² versus 233 mm² may indicate a more compact physical footprint.

The AI 9 365 also supports LPDDR5X memory in addition to DDR5, which the Embedded part does not. The AI 9 365 uses the newer Zen 5 architecture and the Radeon 880M integrated graphics, while the Embedded part uses Zen 4 and the Radeon 760M. The AI 9 365 has a lower TDP of 28 versus 45, suggesting better power efficiency for mobile use.

The use-case split emerges from these differences. The AI 9 365 serves mobile computing scenarios where core count, newer architecture, and lower power draw are priorities. The Embedded 8645HS serves embedded or industrial scenarios where ECC memory, higher base clock, and more PCIe lanes take precedence over raw multi-threaded performance. The database shows no direct benchmark comparison, so the verdict rests on the recorded specifications and the percentile positions of each part.