AMD Ryzen AI Embedded P185 vs Intel Core Ultra 9 285H Comparison

Head-to-Head Benchmarks

The benchmark data delivers a clear split between these two mobile processors. The Intel Core Ultra 9 285H wins 9 of the 11 shared tests, while the AMD Ryzen AI Embedded P185 takes 2 wins. However, the magnitude of those wins tells a more nuanced story than the raw count suggests.

The AMD processor's largest victory comes in integer math, where it scores 117,832 against Intel's 85,922, a 37.1% advantage. This is the single biggest performance gap in either direction across the entire comparison. The Ryzen chip also wins data compression, scoring 374,429 versus 335,859, an 11.5% lead. These two wins indicate a strong showing in workloads that rely on integer throughput and data packing.

The Intel part dominates the remaining tests, but the margins vary considerably. The most dramatic Intel win is in prime number generation, where it scores 330 against AMD's 129, a 60.9% lead. This test heavily favors Intel's architecture and confirms a substantial advantage in that specific workload. Floating point math also goes strongly to Intel, with a score of 109,190 versus 70,587, a 35.4% margin. Physics simulation shows Intel ahead by 29.5%, scoring 2,513 against 1,772.

Data encryption is another clear Intel win, 26,140 versus 19,612, a 25% gap. This suggests Intel's integrated encryption acceleration works effectively in this comparison. The single-thread results favor Intel by 9.9%, with scores of 4,415 versus 3,977. Multithread performance goes to Intel as well, 34,171 versus 31,817, a 6.9% lead. Notably, this multithread win comes despite the AMD chip having 24 threads versus Intel's 16.

Two tests are effectively ties. Extended instructions show Intel ahead by only 0.9%, scoring 26,794 against 26,544. Random string sorting also shows a 0.9% Intel edge, 40,931 versus 40,557. These near-identical results indicate that in these workloads, the architectural differences between the two chips cancel out almost perfectly.

The average benchmark scores in the database reflect a wider gap. The AMD chip holds a 93rd percentile ranking across all CPUs with an average score of 62,839. The Intel part sits at the 86th percentile with an average of 38,312. This discrepancy stems from the different benchmark suites recorded for each processor, as the AMD chip has more PassMark results in its profile while the Intel part includes Cinebench and Geekbench scores that pull its average down.

FAQ

Q: Which processor has the higher single-thread score?

A: The Intel Core Ultra 9 285H scores 4,415 in the PassMark single-thread test, which is 9.9% higher than the AMD Ryzen AI Embedded P185's 3,977.

Q: How do the two chips compare in data compression?

A: The AMD Ryzen AI Embedded P185 leads with a score of 374,429, beating the Intel Core Ultra 9 285H's 335,859 by 11.5%.

Q: Which CPU wins in floating point math?

A: The Intel Core Ultra 9 285H delivers a score of 109,190 in floating point math, which is 35.4% higher than the AMD part's 70,587.

Q: What is the thread count difference?

A: The AMD Ryzen AI Embedded P185 has 12 cores and 24 threads, while the Intel Core Ultra 9 285H has 16 cores and 16 threads.

Q: Does the AMD processor have a higher average benchmark score?

A: Yes, the AMD chip shows an average benchmark score of 62,839 and ranks in the 93rd percentile of all CPUs, while the Intel part averages 38,312 and ranks in the 86th percentile.

Q: Which processor wins the prime number test?

A: The Intel Core Ultra 9 285H scores 330 in the find prime numbers test, a 60.9% advantage over the AMD Ryzen AI Embedded P185's 129.

Architecture Differences

The two processors come from fundamentally different design philosophies. The AMD Ryzen AI Embedded P185 uses the Gorgon Point codename and belongs to the Ryzen AI Embedded generation built on the Zen 5 and Zen 5c core architecture. It is fabricated on a 4 nm process at TSMC with a die size of 233 mm². The Intel Core Ultra 9 285H uses the Arrow Lake architecture with the Arrow Lake-H codename, part of the Core Ultra Series 2 generation. It is built on a smaller 3 nm process, also at TSMC.

Core organization differs sharply. AMD configures the P185 with 12 cores and 24 threads, using simultaneous multithreading to double thread count. Intel's 285H has 16 physical cores but only 16 threads, meaning it does not use hyper-threading in this configuration. This gives AMD a thread advantage despite fewer physical cores.

Cache hierarchies are also distinct. The AMD chip provides 80 KB of L1 cache per core, 1 MB of L2 per core, and 16 MB of L3 cache. Intel offers 192 KB of L1 per core, 3 MB of L2 per core, and 24 MB of shared L3. The larger per-core L1 and L2 caches on the Intel side likely contribute to its single-thread and floating point advantages, while the larger shared L3 helps in certain multithreaded scenarios.

Memory bandwidth figures show Intel with a 102.4 GB/s rating versus AMD's 89.6 GB/s, a 14.3% advantage for Intel. Both support DDR5 and LPDDR5X memory over dual-channel buses, and both support ECC memory.

PCI Express connectivity differs by generation and lane count. The AMD processor uses Gen 4 with 16 lanes available to the CPU. Intel moves to Gen 5 but provides only 8 CPU lanes. This tradeoff means AMD offers more total lanes at a slower standard, while Intel offers fewer lanes at a faster standard.

The integrated graphics solutions also diverge. AMD uses the Radeon 890M, while Intel equips the 285H with Arc Graphics 140T. The benchmark data does not include GPU tests, so direct graphics performance cannot be assessed from the recorded measurements.

Specification Differences

The core counts set these processors apart immediately. The AMD Ryzen AI Embedded P185 provides 12 cores and 24 threads, while the Intel Core Ultra 9 285H provides 16 cores and 16 threads. Base clocks differ as well, with AMD starting at 2.00 GHz and Intel at 2.90 GHz. Boost clocks show Intel ahead at 5.40 GHz versus AMD's 5.10 GHz.

Thermal design power reveals a meaningful efficiency gap. The AMD chip is rated at 28 W, while the Intel part draws 45 W. This 17 W difference places AMD in a lower power envelope despite its higher thread count. The Intel chip's higher TDP aligns with its higher clock speeds and physical core count.

Process technology differs by one node step. AMD uses a 4 nm process, while Intel uses 3 nm, both fabricated by TSMC. The die size is recorded only for AMD at 233 mm², with no die size listed for Intel in the database.

Cache specifications differ in every tier. AMD's L1 is 80 KB per core, Intel's is 192 KB per core. AMD's L2 is 1 MB per core, Intel's is 3 MB per core. AMD's L3 totals 16 MB, while Intel's shared L3 reaches 24 MB. These differences compound across the 12 and 16 core counts respectively.

Memory bandwidth favors Intel at 102.4 GB/s versus AMD's 89.6 GB/s. PCIe generation and lane counts differ as described above. The socket types are entirely different, with AMD using AMD Socket FP8 and Intel using Intel BGA 2049.

The release dates place these chips in different timeframes. The Intel Core Ultra 9 285H launched with a recorded release date of January 2025 and carries a launch MSRP of $651. The AMD Ryzen AI Embedded P185 has a release date of February 2026 and no recorded launch MSRP. Both chips are listed as active in production, and neither has an unlocked multiplier.

Where Each One Wins

The AMD Ryzen AI Embedded P185 wins in workloads that depend on integer processing and data compression. Its 37.1% lead in integer math makes it the stronger choice for applications that perform heavy integer calculations, such as database operations, financial modeling, and certain types of scientific computing. The 11.5% advantage in data compression points to strengths in archiving, backup systems, and storage-related tasks where compression throughput matters.

The AMD chip also offers a lower 28 W TDP, making it the more efficient option for thermally constrained mobile designs. Its 24 threads provide better thread-level parallelism for workloads that scale with thread count, even though its overall multithread score trails Intel by 6.9%.

The Intel Core Ultra 9 285H claims the majority of performance categories. Its 60.9% lead in prime number generation indicates strong performance in integer-heavy algorithmic workloads that stress the core pipeline. The 35.4% floating point advantage covers scientific computation, engineering simulations, and 3D rendering tasks. Physics simulation runs 29.5% faster on Intel, which benefits gaming and physical modeling applications.

Intel also leads in data encryption by 25%, making it the better option for security-sensitive workloads, VPN processing, and encrypted storage operations. The 9.9% single-thread advantage helps in legacy applications and lightly threaded software where per-core speed matters most. Multithread performance favors Intel by 6.9% despite its lower thread count, suggesting its higher clock speeds and larger cache hierarchy compensate for the missing simultaneous multithreading.

The near-tie results in extended instructions and random string sorting mean either processor handles those tasks equally well. The Intel chip's higher memory bandwidth of 102.4 GB/s versus 89.6 GB/s provides additional headroom for memory-intensive workloads, while AMD's 16 PCIe Gen 4 lanes offer more expansion flexibility than Intel's 8 Gen 5 lanes.

The Verdict

The data supports a clear performance hierarchy. The Intel Core Ultra 9 285H wins the majority of benchmark comparisons, including the most lopsided results in prime number generation, floating point math, physics, and encryption. Its 16 physical cores, higher clock speeds, and larger cache configuration deliver broad superiority across most tested workloads. The 45 W TDP reflects the cost of that performance in power consumption.

The AMD Ryzen AI Embedded P185 wins specifically in integer math and data compression, and it does so by substantial margins. Its 28 W TDP makes it the more power-efficient option, and its 24 threads provide greater thread-level parallelism. The 93rd percentile ranking versus the 86th percentile for Intel reflects the AMD chip's strength in the aggregated database metrics.

For workloads dominated by integer processing, compression, or power-sensitive mobile deployments, the AMD processor holds the advantage. For floating point computation, encryption, physics simulation, single-thread responsiveness, and general multithreaded performance, the Intel chip delivers superior results. The choice between them rests on which workload profile matters more, the data does not support a single winner across all categories.