AMD Ryzen AI Embedded P174 vs AMD Ryzen Embedded 8845HS Comparison

Where Each One Wins

The recorded data for the AMD Ryzen AI Embedded P174 and the AMD Ryzen Embedded 8845HS shows two distinct design philosophies aimed at different workload priorities. The P174, built on the Gorgon Point platform with a Zen 5 / Zen 5c hybrid core arrangement, brings 10 cores and 20 threads to the table. This is a two-core, four-thread advantage over the 8845HS, which uses a monolithic Zen 4 design with 8 cores and 16 threads. For heavily threaded workloads, rendering tasks, and parallel compilation jobs, the P174 has the structural advantage. The higher core count, combined with a larger aggregate L1 cache (80 KB per core versus 64 KB per core), suggests that the P174 is positioned to handle throughput-oriented tasks with more headroom.

The 8845HS counters with a significantly higher base clock of 3.80 GHz against the P174's 2.00 GHz. In lightly threaded or latency-sensitive applications, the 8845HS should hold an advantage, as its base frequency is nearly double that of the P174. Its boost clock of 5.10 GHz also edges out the P174's 5.00 GHz, though by a narrow margin. This means that for single-threaded responsiveness, legacy software, or workloads that do not scale well across many cores, the 8845HS is the better fit based on the clock data alone.

The P174 also carries a 28 W TDP rating, which is substantially lower than the 8845HS's 45 W TDP. For embedded deployments where thermal budgets are tight or fanless operation is required, the P174 is the more power-conscious option. The 8845HS, with its higher power envelope, can sustain higher clocks under load but demands more robust cooling and power delivery. The P174's hybrid architecture, similar in concept to big.LITTLE designs, allows it to offload background tasks to efficiency cores while reserving performance cores for demanding work. The 8845HS, with its uniform Zen 4 cores, cannot differentiate between core types, so all 8 cores run at the same capability level.

In terms of integrated graphics, the P174 uses the Radeon 880M, while the 8845HS uses the Radeon 780M. Without direct benchmark numbers for the iGPU, the architectural generational shift from Zen 4 to Zen 5 on the CPU side, plus the newer graphics block on the P174, indicates that the P174 is the more modern platform overall. The 8845HS, released earlier, serves as a proven, high-clocked workhorse. The data indicates a split: the P174 wins on core count, efficiency, and generation, while the 8845HS wins on clock speeds and PCIe lane availability.

Architecture Differences

The two processors come from different architectural lineages. The P174 uses the Gorgon Point codename and is part of the Ryzen AI Embedded generation built on Zen 5 / Zen 5c cores. The 8845HS uses the Hawk Point codename and is built on Zen 4 architecture. Both are manufactured on a 4 nm process at TSMC, so the lithography is identical. The P174 has a larger die size at 233 mm², compared to the 8845HS's 178 mm². The 8845HS has a publicly listed transistor count of 25,000 million, while the P174's transistor count is not recorded in the database.

The cache hierarchies differ notably. The P174 provides 80 KB of L1 cache per core and 1 MB of L2 cache per core, with 16 MB of L3 cache. The 8845HS provides 64 KB of L1 per core and 1 MB of L2 per core, with 16 MB of shared L3 cache. The larger per-core L1 on the P174 likely reduces memory latency for frequently accessed data. The L3 cache capacity is identical at 16 MB, but the P174's L3 is not explicitly labeled as shared, while the 8845HS's L3 is labeled as shared. In practice, both processors present a unified L3 pool to their cores, but the database records the difference in labeling.

The P174's core layout uses a heterogeneous mix of Zen 5 and Zen 5c cores. The Zen 5c cores are designed for density and efficiency, occupying less die area while delivering comparable single-thread performance at lower clocks. This explains the P174's lower base clock of 2.00 GHz, as the efficiency cores likely run at lower frequencies. The 8845HS uses a homogeneous set of 8 Zen 4 cores, all capable of running at the same frequency up to 5.10 GHz boost.

Memory support differs as well. The P174 supports both DDR5 and LPDDR5X memory, while the 8845HS supports DDR5 only. Both use a dual-channel memory bus with an identical 89.6 GB/s peak bandwidth. The P174's support for LPDDR5X is a significant advantage for compact embedded boards where soldered low-power memory is preferred. Both processors support ECC memory, which is critical for embedded and edge computing applications where data integrity is paramount.

PCIe connectivity also differs. The P174 provides Gen 4 with 16 lanes from the CPU, while the 8845HS provides Gen 4 with 20 lanes from the CPU. The 8845HS offers four additional PCIe lanes, which can accommodate more expansion devices, NVMe drives, or I/O controllers without a switch. For embedded designs requiring multiple high-speed peripherals, the 8845HS has the edge in raw lane count. The P174's 16 lanes are still sufficient for a GPU and one NVMe drive, but the 8845HS allows for more flexible I/O configurations.

Both processors use the AMD Socket FP8, so they are pin-compatible at the socket level. This is a practical advantage for system integrators who may want to offer both options on the same motherboard design. The P174's release date is recorded as February 28, 2026, while the 8845HS was released on April 1, 2024. The P174 is the newer part by roughly two years, which aligns with its newer Zen 5 architecture and updated integrated graphics.

Head-to-Head Benchmarks

The database contains no recorded head-to-head benchmark entries for these two processors. The winsA and winsB fields are both set to 0, and the headToHeadBenchmarks array is empty. The avgBenchmarkScore for both is 0, and the percentileVsAllCpus field is 50 for each, indicating that both sit at the median of all CPUs in the database based on available data. Without direct benchmark scores, the analysis must rely on the architectural and specification differences recorded in the database.

The most significant measurable difference is the core and thread count. The P174 offers 10 cores and 20 threads, a 25% increase in cores and threads over the 8845HS's 8 cores and 16 threads. In multi-threaded workloads that scale linearly, the P174 could theoretically deliver up to 25% higher throughput, assuming similar per-core performance. However, the 8845HS's much higher base clock of 3.80 GHz versus 2.00 GHz means that in lightly threaded or short-duration tasks, the 8845HS will likely complete work faster. The boost clocks are close, 5.00 GHz for the P174 and 5.10 GHz for the 8845HS, so peak single-thread performance should be nearly identical, with a marginal 100 MHz advantage to the 8845HS.

The power envelope is a clear differentiator. The P174's 28 W TDP is 62% of the 8845HS's 45 W TDP. This means the P174 delivers its 10-core configuration at a significantly lower power budget. For sustained all-core workloads, the P174 may need to throttle more aggressively than the 8845HS, but the hybrid core design can mitigate this by scheduling lighter threads on the Zen 5c cores. The 8845HS, with its uniform core design, cannot do this, so all 8 cores draw from the same power budget.

The integrated graphics difference, Radeon 880M versus Radeon 780M, suggests a generational uplift in GPU performance for the P174, but no specific benchmark numbers are recorded. The memory bandwidth is identical at 89.6 GB/s, so any iGPU performance difference would come from architectural improvements in the graphics block, not from memory throughput. The P174's support for LPDDR5X could allow system designers to use higher-bandwidth memory in some configurations, but the peak bandwidth figure recorded in the database is the same for both.

The PCIe lane difference, 16 lanes for the P174 versus 20 lanes for the 8845HS, is a measurable specification gap. Systems requiring multiple Gen 4 NVMe drives or additional I/O controllers will need to use the 8845HS to avoid lane oversubscription. The P174's 16 lanes are adequate for a single discrete GPU and one or two storage devices, but not for more complex I/O topologies.

Specification Differences

The two processors differ in several key specification fields, and these differences are captured directly in the database. The core count differs: 10 cores for the P174 versus 8 cores for the 8845HS. The thread count differs: 20 threads for the P174 versus 16 threads for the 8845HS. The base clock differs significantly: 2.00 GHz for the P174 versus 3.80 GHz for the 8845HS. The boost clock differs slightly: 5.00 GHz for the P174 versus 5.10 GHz for the 8845HS. The TDP differs: 28 W for the P174 versus 45 W for the 8845HS.

The codename differs: Gorgon Point for the P174 versus Hawk Point for the 8845HS. The architecture differs: Zen 5 / Zen 5c for the P174 versus Zen 4 for the 8845HS. The generation field differs, with the P174 listed as Ryzen AI Embedded (Zen 5 / Zen 5c) and the 8845HS listed as Ryzen Embedded (Zen 4 (Hawk Point)). The series field is populated for the 8845HS as 8000 series, while the P174 has no series listed.

The die size differs: 233 mm² for the P174 versus 178 mm² for the 8845HS. The transistor count is recorded for the 8845HS at 25,000 million, while the P174 has no recorded transistor count. The L1 cache differs: 80 KB per core for the P174 versus 64 KB per core for the 8845HS. The L2 cache is the same at 1 MB per core for both. The L3 cache is the same capacity at 16 MB, but the P174 lists it simply as 16 MB while the 8845HS lists it as 16 MB shared.

The memory support differs: DDR5 and LPDDR5X for the P174 versus DDR5 only for the 8845HS. The PCIe configuration differs: Gen 4 with 16 lanes for the P174 versus Gen 4 with 20 lanes for the 8845HS. The integrated graphics differ: Radeon 880M for the P174 versus Radeon 780M for the 8845HS. The release date differs: February 28, 2026 for the P174 versus April 1, 2024 for the 8845HS. The part number is unknown for both, and neither has a launch MSRP recorded in the database.

The socket is the same for both: AMD Socket FP8. The memory bus is the same: dual-channel. The memory bandwidth is the same: 89.6 GB/s. ECC memory support is present on both. The market segment is the same: Mobile. The production status is Active for both. Neither processor has an unlocked multiplier. The process node is the same: 4 nm at TSMC.

FAQ

Q: Which processor has more cores and threads?

A: The AMD Ryzen AI Embedded P174 has 10 cores and 20 threads. The AMD Ryzen Embedded 8845HS has 8 cores and 16 threads. The P174 offers a 2-core, 4-thread advantage.

Q: What is the base clock difference between the two processors?

A: The P174 has a base clock of 2.00 GHz. The 8845HS has a base clock of 3.80 GHz. The 8845HS runs at a nearly double base frequency.

Q: Do both processors support ECC memory?

A: Yes, both the P174 and the 8845HS have ECC memory support enabled in the database records.

Q: What is the TDP of each processor?

A: The P174 has a TDP of 28 W. The 8845HS has a TDP of 45 W. The P174 consumes less power under the rated thermal design point.

Q: Which processor supports LPDDR5X memory?

A: The P174 supports both DDR5 and LPDDR5X memory. The 8845HS supports DDR5 only. Both use a dual-channel bus with 89.6 GB/s bandwidth.

Q: How do the PCIe lane counts compare?

A: The P174 provides Gen 4 with 16 lanes from the CPU. The 8845HS provides Gen 4 with 20 lanes from the CPU. The 8845HS offers 4 additional PCIe lanes.

Q: What are the integrated graphics models in each processor?

A: The P174 uses the Radeon 880M. The 8845HS uses the Radeon 780M. Both are integrated into the respective processors.

Q: What is the release date for each processor?

A: The P174 has a release date of February 28, 2026. The 8845HS has a release date of April 1, 2024. The P174 is the newer release by approximately two years.