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

FAQ

Q: Which processor has more cores and threads?

A: The AMD Ryzen Embedded 9900X has 12 cores and 24 threads, while the Intel Core Ultra 9 285H has 16 cores and 16 threads. The Intel part has more physical cores, but the AMD part uses simultaneous multithreading to double its thread count.

Q: What are the boost clock speeds of each processor?

A: The AMD Ryzen Embedded 9900X boosts up to 5.60 GHz, while the Intel Core Ultra 9 285H reaches a 5.40 GHz boost clock. The AMD processor holds a 0.20 GHz advantage in maximum frequency.

Q: How do the two compare in the Geekbench multi-core test?

A: The Intel Core Ultra 9 285H scores 14,743 in Geekbench multi-core, while the AMD Ryzen Embedded 9900X has no recorded benchmark score in the database. The Intel processor's score places it in the 86th percentile across all CPUs.

Q: What is the thermal design power (TDP) for each chip?

A: The AMD Ryzen Embedded 9900X has a 120 TDP, and the Intel Core Ultra 9 285H has a 45 TDP. The Intel part is designed for a substantially lower power envelope, consistent with its mobile market segment.

Q: Which processor supports ECC memory?

A: Both processors support ECC memory. The AMD Ryzen Embedded 9900X supports DDR5 ECC memory, and the Intel Core Ultra 9 285H supports ECC memory as well.

Q: What is the process node for each processor?

A: The AMD Ryzen Embedded 9900X is fabricated on a 4 nm process, while the Intel Core Ultra 9 285H uses a 3 nm process. Both are manufactured by TSMC.

Architecture Differences

The AMD Ryzen Embedded 9900X belongs to the Ryzen Embedded series within the 9000 series family. Its codename is Granite Ridge, and it uses the Zen 5 (Granite Ridge) generation. The processor is built on a 4 nm process at TSMC and contains 16,630 million transistors across a dual-die design with each die measuring 70.6 mm². The chip uses the AMD Socket AM5 platform and is classified as a desktop part.

The Intel Core Ultra 9 285H comes from the Core Ultra Series 2 family, with the Arrow Lake architecture and the Arrow Lake-H codename. It is fabricated on a 3 nm process at TSMC, though the database does not record its transistor count or die size. This is a mobile processor that uses the Intel BGA 2049 socket.

Cache layouts differ significantly. The AMD processor provides 80 KB of L1 cache per core, 1 MB of L2 cache per core, and 64 MB of L3 cache. The Intel processor provides 192 KB of L1 per core, 3 MB of L2 per core, and 24 MB of shared L3 cache. The AMD part's larger L3 pool (64 MB versus 24 MB) can hold substantially more shared data for multi-threaded workloads.

Memory support also differs. The AMD chip supports DDR5 memory with a dual-channel bus and delivers 89.6 GB/s of memory bandwidth. The Intel chip supports both DDR5 and LPDDR5X memory with a dual-channel bus and achieves 102.4 GB/s of memory bandwidth, a 12.8 GB/s advantage.

PCIe connectivity shows a notable gap. The AMD processor provides Gen 5 with 24 lanes from the CPU, while the Intel processor provides Gen 5 with 8 lanes from the CPU. The AMD part offers three times the PCIe lane count.

Integrated graphics differ as well. The AMD Ryzen Embedded 9900X uses Radeon Graphics, while the Intel Core Ultra 9 285H uses Arc Graphics 140T. The AMD processor has an unlocked multiplier; the Intel processor does not.

Head-to-Head Benchmarks

The database contains benchmark results for the Intel Core Ultra 9 285H across Cinebench, Geekbench, and Passmark tests. The AMD Ryzen Embedded 9900X has no recorded benchmark scores in the database, so all comparisons rely on the Intel part's absolute scores and its position among nearest rivals.

In Cinebench R23 multi-core, the Intel Core Ultra 9 285H scores 20,781.5. Its single-core score in the same test is 2,129.5. The multi-core result indicates strong scaling across its 16 physical cores, though the processor lacks hyper-threading.

In Cinebench R20, the Intel chip scores 12,201 multi-core and 1,722 single-core. The Cinebench R15 results are 3,177.5 multi-core and 313 single-core. These scores show consistent performance across different versions of the Cinebench workload.

Geekbench results for the Intel Core Ultra 9 285H show 14,743 in multi-core and 2,178 in single-core. The multi-core score reflects the combined throughput of its 16 cores, while the single-core score indicates strong per-core efficiency.

Passmark testing reveals specific workload characteristics. The Intel processor scores 85,922 in integer math, 109,190 in floating-point math, and 26,794 in extended instructions. Data compression reaches 335,859, while data encryption scores 26,140. Random string sorting completes at 40,931, and the find prime numbers test produces a score of 330. Physics simulation scores 2,513, and the Passmark multi-thread score is 34,171.

The single-thread Passmark score is 4,415, which also appears as the Passmark singlethread score of 4,415. This figure places the Intel chip in a competitive position for lightly threaded applications.

The Intel Core Ultra 9 285H holds an average benchmark score of 38,312 and sits in the 86th percentile of all CPUs in the database. Its nearest rivals include the Intel Core 9 270H with an average score of 38,335 and a delta of -0.1%, the Intel Core i5-13600HX with 38,261 and a delta of 0.1%, the Intel Xeon w3-2525 with 38,392 and a delta of -0.2%, and the AMD Ryzen 7 250 with 38,221 and a delta of 0.2%. These deltas indicate that the 285H sits within a tight performance cluster, effectively matching its closest competitors within a 0.2% band.

Specification Differences

The two processors differ across nearly every specification field recorded in the database.

Core configuration: AMD has 12 cores and 24 threads; Intel has 16 cores and 16 threads.

Clock speeds: AMD base clock is 4.40 GHz with a 5.60 GHz boost; Intel base clock is 2.90 GHz with a 5.40 GHz boost. The AMD part runs faster at both idle and peak.

TDP: AMD is rated at 120; Intel at 45. This is a 75-point gap favoring Intel in power efficiency.

Socket: AMD uses AMD Socket AM5; Intel uses Intel BGA 2049. The AMD socket is a desktop platform, while the Intel BGA socket is a mobile platform.

Process node: AMD uses 4 nm; Intel uses 3 nm. Intel's node is one step smaller.

Transistors: AMD has 16,630 million recorded; Intel has no recorded transistor count.

Die size: AMD uses a dual-die design at 2x 70.6 mm²; Intel has no recorded die size.

Cache: AMD provides 80 KB L1 per core, 1 MB L2 per core, and 64 MB L3. Intel provides 192 KB L1 per core, 3 MB L2 per core, and 24 MB shared L3. AMD has a larger L3, while Intel has larger per-core L1 and L2.

Memory: AMD supports DDR5 with dual-channel and 89.6 GB/s bandwidth. Intel supports DDR5 and LPDDR5X with dual-channel and 102.4 GB/s bandwidth.

PCIe: AMD provides Gen 5 with 24 lanes; Intel provides Gen 5 with 8 lanes.

Integrated graphics: AMD has Radeon Graphics; Intel has Arc Graphics 140T.

Multiplier: AMD is unlocked; Intel is locked.

Release date: AMD released on 2025-10-06; Intel released on 2025-01-12. Intel launched earlier in the year.

Market segment: AMD is desktop; Intel is mobile.

Launch MSRP: Intel has a launch MSRP of $651; AMD has no recorded launch MSRP.

Part number: AMD is 100-000000662E; Intel is SRQAL.

The Verdict

The recorded data shows two processors aimed at different deployment scenarios. The AMD Ryzen Embedded 9900X is a desktop-class part with 12 cores, 24 threads, a 120 TDP, and an unlocked multiplier. It offers high clock speeds, a large 64 MB L3 cache, and 24 PCIe Gen 5 lanes. Its benchmark profile is absent from the database, so its performance cannot be quantified against the Intel part.

The Intel Core Ultra 9 285H is a mobile processor with 16 cores, 16 threads, and a 45 TDP. It has a substantial benchmark presence in the database, with an average score of 38,312 and an 86th percentile ranking. Its nearest rivals all sit within 0.2% of its average score, indicating that this chip performs in a tightly competitive band. The Intel part also provides higher memory bandwidth at 102.4 GB/s and a smaller 3 nm process node.

For users who need a low-power mobile processor with verified benchmark results, the Intel Core Ultra 9 285H is the only option with recorded performance data. Its 45 TDP makes it suitable for compact or battery-powered systems. For users who need a desktop processor with more PCIe lanes and an unlocked multiplier, the AMD Ryzen Embedded 9900X offers those features, though its performance remains unmeasured in the database.

Where Each One Wins

The Intel Core Ultra 9 285H wins in all directly measured benchmark categories because the AMD Ryzen Embedded 9900X has no recorded scores. The Intel chip demonstrates strong multi-threaded performance with a Cinebench R23 multi-core score of 20,781.5 and a Passmark multi-thread score of 34,171. Its Geekbench multi-core score of 14,743 confirms solid scaling across its 16 physical cores.

The AMD Ryzen Embedded 9900X wins on paper in several architectural categories. It offers 24 threads versus 16, a higher boost clock of 5.60 GHz versus 5.40 GHz, a larger 64 MB L3 cache versus 24 MB, and 24 PCIe Gen 5 lanes versus 8. It also has an unlocked multiplier, which the Intel part lacks.

The Intel part wins on power efficiency with a 45 TDP versus 120, and on memory bandwidth with 102.4 GB/s versus 89.6 GB/s. Intel also supports LPDDR5X memory, which the AMD part does not. The Intel processor uses a smaller 3 nm process node compared to AMD's 4 nm.

For embedded or industrial use cases requiring extensive PCIe connectivity, the AMD Ryzen Embedded 9900X provides more expansion capability. For mobile or low-power systems where verified performance and efficiency matter, the Intel Core Ultra 9 285H delivers measured results across the full Cinebench, Geekbench, and Passmark suites.