AMD Ryzen AI Embedded P174 vs AMD Ryzen Embedded 8840U Comparison

Head-to-Head Benchmarks

The recorded database contains no direct head-to-head benchmark scores for the AMD Ryzen AI Embedded P174 against the AMD Ryzen Embedded 8840U. Both processors share an identical percentile ranking of 50 against all CPUs in the database, and both carry an average benchmark score of zero in the current dataset. This means no measured performance deltas, no per-test victory counts, and no nearest-rival comparisons are available to quantify the gap between these two parts.

The absence of benchmark data does not indicate equivalence. The two chips differ structurally in core count, thread count, clock strategy, architecture generation, and integrated graphics. Those differences will shape real-world performance even if the database has not yet recorded direct measurements. The P174 uses a 10-core, 20-thread configuration. The 8840U uses an 8-core, 16-thread configuration. All else being equal, a 25% core advantage and a 25% thread advantage for the P174 suggests a meaningful lead in heavily threaded workloads, but clock behavior must be considered before drawing conclusions.

The 8840U posts a higher base clock of 3.30 GHz versus 2.00 GHz on the P174. That is a 1.30 GHz gap at the floor. The boost clocks tell a different story: the P174 boosts to 5.00 GHz, while the 8840U reaches 5.10 GHz, a razor-thin 0.10 GHz difference. The P174 therefore relies far more on boost headroom to reach its rated ceiling, with a 3.00 GHz span between base and boost. The 8840U has a 1.80 GHz span. Sustained all-core workloads may favor the 8840U if the P174 cannot hold its boost across all ten cores, but the P174's extra two cores and four threads could still tip aggregate throughput in its favor.

Since neither processor has recorded wins in the head-to-head section, the victory tally stands at zero for both. The analysis must proceed from architectural and specification data rather than measured scores. The database records no nearest rivals for either part, so percentile context against specific competitors is also unavailable. The 50th percentile figure places both chips in the middle of the database population, but that is a coarse measure that does not separate them from each other.

Architecture Differences

The P174 belongs to the Gorgon Point generation, labeled Ryzen AI Embedded with a Zen 5 / Zen 5c hybrid core design. The 8840U belongs to the Hawk Point generation, using a Zen 4 architecture across all cores. This generation gap is the single most significant architectural distinction between the two.

The process node is identical: both use TSMC 4 nm manufacturing. The die size differs substantially. The P174 measures 233 mm², while the 8840U measures 178 mm². The P174's larger die accommodates its ten cores, hybrid core arrangement, and the newer Zen 5 microarchitecture. The 8840U's smaller die reflects its eight monolithic Zen 4 cores. The 8840U has a recorded transistor count of 25,000 million; the P174 has no transistor count listed in the database.

Cache organization reveals another layer of difference. The P174 provides 80 KB of L1 per core, while the 8840U provides 64 KB per core. Both share 1 MB of L2 per core. L3 is 16 MB on both, but the P174 lists it without a sharing qualifier, while the 8840U explicitly states 16 MB shared. The P174's larger per-core L1 suggests better per-thread cache locality, which can reduce memory latency in single-threaded and lightly threaded workloads.

The integrated graphics differ. The P174 uses the Radeon 880M, while the 8840U uses the Radeon 780M. The newer Radeon 880M pairs with the Zen 5 generation and would be expected to carry architectural improvements over the 780M, though the database records no iGPU benchmark scores for either.

Memory support differs. The P174 supports both DDR5 and LPDDR5X, while the 8840U lists only DDR5. Both use dual-channel memory buses, and both record the same memory bandwidth of 89.6 GB/s. Both support ECC memory.

PCIe lane counts differ. The P174 provides 16 Gen 4 lanes from the CPU, while the 8840U provides 20 Gen 4 lanes. The 8840U therefore offers more direct CPU-connected expansion capacity, which matters for embedded applications that attach multiple peripherals.

Both processors use AMD Socket FP8, both are classified as mobile market segments, both have a 28 W TDP, and both are currently active in production. Neither has an unlocked multiplier. The P174 has no listed series name, while the 8840U belongs to the 8000 series.

FAQ

Q: How many cores and threads does each processor have?

A: The AMD Ryzen AI Embedded P174 has 10 cores and 20 threads. The AMD Ryzen Embedded 8840U has 8 cores and 16 threads.

Q: Which processor has the higher boost clock?

A: The AMD Ryzen Embedded 8840U boosts to 5.10 GHz, while the AMD Ryzen AI Embedded P174 boosts to 5.00 GHz. The difference is 0.10 GHz in favor of the 8840U.

Q: What are the base clock speeds?

A: The P174 has a base clock of 2.00 GHz. The 8840U has a base clock of 3.30 GHz, which is 1.30 GHz higher.

Q: Do both processors support ECC memory?

A: Yes, both the P174 and the 8840U support ECC memory.

Q: What process node are both chips built on?

A: Both the AMD Ryzen AI Embedded P174 and the AMD Ryzen Embedded 8840U are manufactured on TSMC's 4 nm process.

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

A: Both processors have 16 MB of L3 cache. The 8840U explicitly lists it as shared, while the P174 lists 16 MB without a sharing qualifier.

Q: Which processor has more PCIe lanes?

A: The AMD Ryzen Embedded 8840U has 20 Gen 4 lanes from the CPU, while the AMD Ryzen AI Embedded P174 has 16 Gen 4 lanes.

The Verdict

The data points to different strengths for each processor, but the lack of recorded benchmarks prevents a definitive performance ranking. The AMD Ryzen AI Embedded P174 offers more cores, more threads, a newer Zen 5 / Zen 5c hybrid architecture, a larger die, more L1 cache per core, support for both DDR5 and LPDDR5X memory, and the newer Radeon 880M integrated graphics. The AMD Ryzen Embedded 8840U offers a much higher base clock, a marginally higher boost clock, more PCIe lanes, a smaller die, a known transistor count, and the established Zen 4 architecture.

For workloads that scale with core count and thread count, the P174's 10 cores and 20 threads give it a structural advantage. For workloads that depend on sustained clock speeds without requiring boost headroom, the 8840U's 3.30 GHz base clock is a strong asset. The 8840U also provides more expansion headroom through its 20 PCIe lanes, which matters in embedded systems with multiple attached devices.

Both processors carry the same 28 W TDP, which means the P174 must distribute that power budget across ten cores while the 8840U spreads it across eight. The P174's lower base clock suggests it downclocks more aggressively at idle or low utilization, then relies on boost to reach 5.00 GHz. The 8840U starts from a much higher floor. The choice between the two depends on whether the workload favors raw multi-thread throughput and newer architecture or higher sustained clocks and broader PCIe connectivity.

The database currently records no measured scores, no wins, and no rival comparisons for either chip. That leaves the verdict to rest on specification analysis alone. The P174 is the more modern, higher-core-count part. The 8840U is the higher-clocked, more expansion-capable part. Neither has demonstrated superiority in the recorded data because no recorded data exists.

Specification Differences

The two processors differ on the following fields:

• Cores: P174 has 10; 8840U has 8.
• Threads: P174 has 20; 8840U has 16.
• Base clock: P174 runs at 2.00 GHz; 8840U runs at 3.30 GHz.
• Boost clock: P174 boosts to 5.00 GHz; 8840U boosts to 5.10 GHz.
• Codename: P174 is Gorgon Point; 8840U is Hawk Point.
• Generation: P174 is Ryzen AI Embedded with Zen 5 / Zen 5c; 8840U is Ryzen Embedded with Zen 4 (Hawk Point).
• Architecture: P174 has no single listed architecture (hybrid Zen 5 / Zen 5c); 8840U is Zen 4.
• Die size: P174 measures 233 mm²; 8840U measures 178 mm².
• Transistors: P174 has no recorded transistor count; 8840U has 25,000 million.
• L1 cache: P174 has 80 KB per core; 8840U has 64 KB per core.
• L3 cache: P174 lists 16 MB without sharing qualifier; 8840U lists 16 MB shared.
• Memory support: P174 supports DDR5 and LPDDR5X; 8840U supports DDR5 only.
• PCIe lanes: P174 provides 16 Gen 4 lanes; 8840U provides 20 Gen 4 lanes.
• Integrated graphics: P174 uses Radeon 880M; 8840U uses Radeon 780M.
• Series: P174 has no series listed; 8840U belongs to the 8000 series.

Identical specifications include the 4 nm TSMC process, 28 W TDP, AMD Socket FP8, dual-channel memory bus, 89.6 GB/s memory bandwidth, ECC support, mobile market segment, active production status, and locked multiplier.

Where Each One Wins

The AMD Ryzen AI Embedded P174 wins on multi-thread potential. Its 10 cores and 20 threads exceed the 8840U's 8 cores and 16 threads by two cores and four threads. In workloads that parallelize across all available threads, the P174 has the structural capacity to pull ahead, even without recorded benchmark confirmation. The newer Zen 5 / Zen 5c hybrid architecture and the larger 233 mm² die further support this advantage, as does the larger 80 KB per-core L1 cache. The P174 also supports LPDDR5X memory in addition to DDR5, which can matter in power-sensitive embedded designs that pair the chip with low-power memory.

The P174 also wins on integrated graphics generation. The Radeon 880M is the newer iGPU compared to the Radeon 780M. For embedded systems that rely on the integrated graphics for display output or light compute offload, the newer graphics block is the better starting point.

The AMD Ryzen Embedded 8840U wins on sustained clock behavior. Its 3.30 GHz base clock is 1.30 GHz higher than the P174's 2.00 GHz. For workloads that run continuously without heavy turbo bursts, the 8840U starts from a much higher operating point. Its boost clock of 5.10 GHz also edges the P174's 5.00 GHz, giving it the highest single-core ceiling recorded for either part.

The 8840U wins on expansion connectivity. Its 20 Gen 4 PCIe lanes provide four more lanes than the P174's 16. Embedded systems that attach multiple NVMe drives, network controllers, or accelerators benefit from the additional CPU-direct lanes. The 8840U also has a smaller die at 178 mm², which can be relevant for compact board designs or thermal management, though both parts share the same 28 W TDP.

The 8840U wins on architectural maturity and transparency. It is a Zen 4 part from the established 8000 series, with a recorded transistor count of 25,000 million. The P174 belongs to the newer Gorgon Point generation with no transistor count listed, which leaves its internal scale less documented in the database.

In summary, the P174 suits workloads that need maximum thread counts, newer core microarchitecture, and a newer integrated graphics block. The 8840U suits workloads that need high sustained clocks, more PCIe expansion, and a proven Zen 4 design. The database has not yet produced benchmark scores to tip the balance, so these conclusions follow from the recorded specifications alone.