AMD Ryzen Embedded 9900X3D vs Intel Core Ultra 5 125UL Comparison

Head-to-Head Benchmarks

The recorded data for both processors contains no submitted benchmark scores, so direct performance comparisons in this database are currently empty. The AMD Ryzen Embedded 9900X3D holds a 50th percentile rank across all CPUs, and the Intel Core Ultra 5 125UL also holds a 50th percentile rank. With no average benchmark scores logged for either unit, the head-to-head wins column reads zero for both sides. This means the database has not yet captured any measured workloads, rendering relative performance statements impossible from the recorded figures. What the data does provide is a structural comparison: the AMD part uses 12 cores and 24 threads, while the Intel part uses 12 cores and 14 threads. The thread count difference of 10 threads favors AMD in any workload that scales with simultaneous multithreading, but without benchmark numbers, that advantage cannot be quantified in points or percentages. The Intel part boosts to 4.30 GHz, while the AMD part boosts to 5.50 GHz, a 1.20 GHz higher ceiling for AMD. Base clocks tell a similar story: AMD starts at 4.40 GHz, Intel at 1.30 GHz, a 3.10 GHz gap. These figures suggest AMD holds a large frequency advantage, but the absence of benchmark data prevents any confirmation of real-world outcome. The database lists no nearest rivals for either processor, so no delta percentages exist to contextualize how far ahead or behind each unit sits relative to comparable parts. In short, the headline benchmark section must report empty results, with all conclusions deferred until measured scores populate the database.

FAQ

Q: Which processor has more threads?

A: The AMD Ryzen Embedded 9900X3D supports 24 threads from 12 cores, while the Intel Core Ultra 5 125UL supports 14 threads from 12 cores. AMD offers 10 additional threads.

Q: What are the boost clock speeds for each chip?

A: The AMD Ryzen Embedded 9900X3D boosts to 5.50 GHz, and the Intel Core Ultra 5 125UL boosts to 4.30 GHz. The AMD part has a 1.20 GHz higher boost ceiling.

Q: Do both processors support ECC memory?

A: No. The AMD Ryzen Embedded 9900X3D supports ECC memory, while the Intel Core Ultra 5 125UL does not list ECC support.

Q: What integrated graphics does each processor use?

A: The AMD Ryzen Embedded 9900X3D uses Radeon Graphics, and the Intel Core Ultra 5 125UL uses Arc Xe-LPG 64EU.

Q: What is the TDP difference between the two?

A: The AMD Ryzen Embedded 9900X3D has a TDP of 120 watts, while the Intel Core Ultra 5 125UL has a TDP of 15 watts. The Intel part draws far less power by specification.

Q: Which chip has the larger L3 cache?

A: The AMD Ryzen Embedded 9900X3D has 128 MB of L3 cache, while the Intel Core Ultra 5 125UL has 12 MB of shared L3 cache. AMD provides 116 MB more L3 cache.

The Verdict

The data favors the AMD Ryzen Embedded 9900X3D on almost every compute specification. It offers higher base and boost clocks, more threads, a larger L3 cache, ECC support, and a newer process node. The Intel Core Ultra 5 125UL counters with a dramatically lower TDP of 15 watts versus 120 watts, which suggests suitability for thermally constrained or low-power installations. The Intel part also carries a launch MSRP of $309, while the AMD part has no recorded launch MSRP. The AMD chip uses a 4 nm process from TSMC, while Intel uses a 7 nm process from its own foundry. The AMD chip provides PCIe Gen 5 with 24 CPU lanes, while Intel provides PCIe Gen 4 with 8 CPU lanes. That difference matters for expansion-heavy systems. For users prioritizing raw thread count, cache size, and memory bandwidth, the AMD part clearly leads on paper. For users prioritizing power efficiency and a lower thermal envelope, the Intel part leads. Because no benchmark scores exist in the database, the verdict rests entirely on specification comparison rather than measured performance. The AMD part appears better suited to high-throughput compute tasks, and the Intel part appears better suited to low-power embedded deployments.

Specification Differences

The two processors differ across nearly every major specification field. The AMD Ryzen Embedded 9900X3D uses 12 cores and 24 threads, while the Intel Core Ultra 5 125UL uses 12 cores and 14 threads. Base clocks differ sharply: AMD runs at 4.40 GHz, Intel at 1.30 GHz. Boost clocks differ by 1.20 GHz, with AMD at 5.50 GHz and Intel at 4.30 GHz. TDP ratings diverge substantially: AMD at 120 watts, Intel at 15 watts. Sockets differ: AMD uses AMD Socket AM5, Intel uses Intel Socket 1851. Process nodes differ: AMD uses 4 nm from TSMC, Intel uses 7 nm from Intel. Cache configurations differ: AMD has 80 KB of L1 per core, 1 MB of L2 per core, and 128 MB of L3; Intel has 112 KB of L1 per core, 2 MB of L2 per core, and 12 MB of shared L3. Memory support shows both use DDR5 and dual-channel buses, and both list 89.6 GB/s of memory bandwidth. ECC support exists only on the AMD part. PCIe capabilities differ: AMD provides Gen 5 with 24 CPU lanes, Intel provides Gen 4 with 8 CPU lanes. Integrated graphics differ: AMD uses Radeon Graphics, Intel uses Arc Xe-LPG 64EU. The multiplier is unlocked on AMD, locked on Intel. Release dates differ: AMD launched on 2025-10-06, Intel on 2024-04-07. The Intel part has a launch MSRP of $309; AMD has no launch MSRP recorded. Part numbers are 100-000001368E for AMD and SRN96 for Intel.

Architecture Differences

The AMD Ryzen Embedded 9900X3D belongs to the 9000 series and uses the Granite Ridge codename, built on the Zen 5 microarchitecture. The Intel Core Ultra 5 125UL belongs to Core Ultra Series 1 and uses the Meteor Lake codename, specifically Meteor Lake-PS, built on the Meteor Lake architecture. AMD's process node is 4 nm, fabricated by TSMC, while Intel's process node is 7 nm, fabricated by Intel. AMD lists 16,630 million transistors and a die size of 2x 70.6 mm². Intel lists no transistor count or die size in the database. AMD's L3 cache totals 128 MB, which is far larger than Intel's 12 MB shared L3. AMD's per-core L1 is 80 KB and per-core L2 is 1 MB; Intel's per-core L1 is 112 KB and per-core L2 is 2 MB. The AMD chip integrates Radeon Graphics, while Intel integrates Arc Xe-LPG 64EU. Both support DDR5 memory, but Intel notes that memory depends on the motherboard. Both use dual-channel memory buses and list identical memory bandwidth of 89.6 GB/s. AMD supports ECC memory; Intel does not. AMD uses PCIe Gen 5 with 24 CPU lanes, and Intel uses PCIe Gen 4 with 8 CPU lanes. AMD has an unlocked multiplier; Intel does not. The AMD part is marked as production status Active, and the Intel part is also Active. The AMD generation is listed as Ryzen Embedded with Zen 5 (Granite Ridge), and the Intel generation is listed as Ultra 5 with Meteor Lake-PS. The architecture differences point to AMD targeting higher compute density with a newer node and larger cache, while Intel targets lower power with a smaller thermal footprint.