AMD Ryzen Embedded 9900X3D vs Intel Core Ultra 9 285H Comparison

The Verdict

The Intel Core Ultra 9 285H is the only processor in this comparison with recorded benchmark data, and that data places it firmly in the upper tier of the database. Its average benchmark score of 38,312 puts it in the 86th percentile of all CPUs, meaning it outperforms roughly eight out of every ten processors tracked. The AMD Ryzen Embedded 9900X3D has no benchmark scores recorded, no average score, and no rivals listed, so its standing relative to the Intel part cannot be quantified from the available data. The Intel chip sits within 0.2% of the AMD Ryzen 7 250 and the Intel Core i5-13600HX, and within 0.1% of the Intel Core 9 270H and the Intel Xeon w3-2525. Those four rivals are all within a fraction of a percent of the 285H, indicating a tight cluster of performance at this level. The AMD processor, by contrast, offers a 12-core, 24-thread configuration with 128 MB of L3 cache, a 5.50 GHz boost clock, and a 120 W TDP, but without benchmark results its real-world standing is unknown. The Intel part is the only choice for anyone who needs verified performance numbers, while the AMD part makes sense only for buyers who prioritize its specific architectural features and can accept the absence of test data.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core Ultra 9 285H has 16 cores but only 16 threads, meaning it does not use simultaneous multithreading. The AMD Ryzen Embedded 9900X3D has 12 cores and 24 threads, giving it 8 additional threads through its SMT implementation.

Q: What is the difference in L3 cache capacity?

A: The AMD Ryzen Embedded 9900X3D has 128 MB of L3 cache, which is more than five times the 24 MB shared L3 cache of the Intel Core Ultra 9 285H.

Q: Which processor has a higher boost clock?

A: The AMD Ryzen Embedded 9900X3D boosts to 5.50 GHz, while the Intel Core Ultra 9 285H boosts to 5.40 GHz. The AMD part holds a 0.10 GHz advantage.

Q: What are the TDP ratings of the two processors?

A: The AMD Ryzen Embedded 9900X3D has a 120 W TDP, while the Intel Core Ultra 9 285H has a 45 W TDP. The Intel part consumes significantly less power by specification.

Q: Which processor supports ECC memory?

A: Both processors support ECC memory. The AMD Ryzen Embedded 9900X3D and the Intel Core Ultra 9 285H both list ECC memory as a supported feature.

Q: What is the launch MSRP of the Intel part?

A: The Intel Core Ultra 9 285H has a launch MSRP of $651.

Architecture Differences

The AMD Ryzen Embedded 9900X3D is built on the Zen 5 architecture with the Granite Ridge codename, part of the Ryzen Embedded generation. It uses a 4 nm process node from TSMC and contains 16,630 million transistors spread across two chiplets, each with a die size of 70.6 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 manufactured on a 3 nm process node, also by TSMC. The Intel part does not have transistor count or die size data recorded in the database.

The cache configurations differ substantially. The AMD processor has 80 KB of L1 cache per core, 1 MB of L2 cache per core, and 128 MB of L3 cache. The Intel processor has 192 KB of L1 cache per core, 3 MB of L2 cache per core, and 24 MB of shared L3 cache. The AMD part's L3 cache is 104 MB larger, a difference that typically benefits workloads with high data reuse. The Intel part's per-core L2 cache is 3 MB versus 1 MB on the AMD side, giving Intel an advantage in per-core cache for rapidly cycling data.

The AMD processor uses the AMD Socket AM5, while the Intel part uses Intel BGA 2049, meaning the AMD chip is socketed for desktop use and the Intel chip is ball-grid array for mobile integration. The AMD processor has an unlocked multiplier, allowing overclocking, while the Intel part's multiplier is locked. The AMD part is classified as a desktop market segment product, and the Intel part is classified as mobile. Both have active production status.

Specification Differences

| Specification | AMD Ryzen Embedded 9900X3D | Intel Core Ultra 9 285H |

|---|---|---|

| Cores | 12 | 16 |

| Threads | 24 | 16 |

| Base clock | 4.40 GHz | 2.90 GHz |

| Boost clock | 5.50 GHz | 5.40 GHz |

| TDP | 120 W | 45 W |

| Socket | AMD Socket AM5 | Intel BGA 2049 |

| Process node | 4 nm | 3 nm |

| Foundry | TSMC | TSMC |

| L1 cache | 80 KB per core | 192 KB per core |

| L2 cache | 1 MB per core | 3 MB per core |

| L3 cache | 128 MB | 24 MB shared |

| Memory support | DDR5 | DDR5, LPDDR5X |

| Memory bus | Dual-channel | Dual-channel |

| Memory bandwidth | 89.6 GB/s | 102.4 GB/s |

| ECC memory | Yes | Yes |

| PCIe | Gen 5, 24 lanes (CPU only) | Gen 5, 8 lanes (CPU only) |

| Integrated graphics | Radeon Graphics | Arc Graphics 140T |

| Multiplier unlocked | Yes | No |

| Release date | 2025-10-06 | 2025-01-12 |

| Launch MSRP | None recorded | $651 |

| Part number | 100-000001368E | SRQAL |

The base clock difference is notable: the AMD part runs at 4.40 GHz base versus 2.90 GHz on Intel, a 1.50 GHz gap. The AMD part's memory bandwidth is lower at 89.6 GB/s versus 102.4 GB/s, a 12.8 GB/s deficit. The Intel part supports LPDDR5X in addition to DDR5, while the AMD part supports only DDR5. PCIe lane counts also differ, with the AMD part offering 24 CPU lanes versus 8 on Intel.

Head-to-Head Benchmarks

The head-to-head benchmark comparison table is empty, and the AMD Ryzen Embedded 9900X3D has no benchmark entries in the database. The Intel Core Ultra 9 285H has 19 recorded benchmark scores across Cinebench, Geekbench, and Passmark tests. Without AMD scores, a direct numerical comparison is impossible. The Intel part's strongest recorded results include a Cinebench R23 multi-core score of 20,781.5 and a single-core score of 2,129.5. Its Geekbench multi-core score is 14,743, with a single-core score of 2,178. In Passmark tests, the Intel part scores 335,859 in data compression, 109,190 in floating point math, and 85,922 in integer math. Its Passmark multi-thread score is 34,171 and single-thread score is 4,415.

The Intel part's average benchmark score of 38,312 places it in the 86th percentile of all CPUs. Its nearest rivals are all within 0.2% of that score, which indicates the 285H is effectively tied with the Intel Core 9 270H at -0.1%, the Intel Xeon w3-2525 at -0.2%, the Intel Core i5-13600HX at +0.1%, and the AMD Ryzen 7 250 at +0.2%. The recorded data shows the Intel part sits in a competitive cluster where no meaningful performance separation exists among these five processors.

Where Each One Wins

The Intel Core Ultra 9 285H wins in every measurable category because it is the only processor with recorded benchmark data. Its 16 cores provide a raw core-count advantage over the AMD part's 12 cores, and its 102.4 GB/s memory bandwidth exceeds the AMD part's 89.6 GB/s. The Intel part also supports LPDDR5X memory, which the AMD part does not, and its 3 nm process node is smaller than the AMD part's 4 nm node. The 45 W TDP makes it suitable for mobile platforms where thermal and power budgets are tighter, and its Arc Graphics 140T integrated GPU provides a known graphics solution.

The AMD Ryzen Embedded 9900X3D wins in specifications that favor high-core-count server or workstation workloads. Its 24 threads versus 16 threads gives it 8 additional threads for parallel task handling. Its 128 MB L3 cache dwarfs the Intel part's 24 MB, which can benefit database workloads, scientific simulations, and other cache-sensitive applications. Its 5.50 GHz boost clock edges out the Intel part's 5.40 GHz. The unlocked multiplier allows frequency tuning, and the 24 PCIe Gen 5 lanes versus 8 lanes provides more expansion bandwidth for multiple GPUs or NVMe devices. The AMD part's 120 W TDP indicates it is designed for sustained heavy loads rather than battery-constrained mobile use.

The market segment split is clear: the Intel part targets mobile platforms with a locked multiplier and BGA socket, while the AMD part targets desktop systems with a socketed AM5 interface and overclocking support. The AMD processor's release date of October 2025 is later than the Intel part's January 2025 release, meaning the AMD design is newer by roughly nine months. The absence of benchmark data for the AMD part means its actual performance in the database remains unverified, and any claims about its wins are based solely on its architectural specifications rather than measured results.