AMD Ryzen Embedded 9950X3D vs Intel Core Ultra 7 155UL Comparison

FAQ

Q: What are the core and thread counts of the AMD Ryzen Embedded 9950X3D and the Intel Core Ultra 7 155UL?

A: The AMD Ryzen Embedded 9950X3D has 16 cores and 32 threads, while the Intel Core Ultra 7 155UL has 12 cores and 14 threads.

Q: What is the boost clock speed of each processor?

A: The AMD Ryzen Embedded 9950X3D boosts to 5.70 GHz, while the Intel Core Ultra 7 155UL boosts to 4.80 GHz.

Q: Which processor has a higher thermal design power (TDP)?

A: The AMD Ryzen Embedded 9950X3D has a TDP of 170, while the Intel Core Ultra 7 155UL has a TDP of 15, indicating a substantially higher power envelope for the AMD part.

Q: Do both processors support DDR5 memory?

A: Yes, both support DDR5 memory, and both use a dual-channel memory bus. The recorded memory bandwidth is identical at 89.6 GB/s for each.

Q: What is the manufacturing process node for each chip?

A: The AMD Ryzen Embedded 9950X3D is built on a 4 nm process by TSMC, while the Intel Core Ultra 7 155UL is built on a 7 nm process by Intel.

Q: Does either processor include integrated graphics?

A: Both include integrated graphics. The AMD chip features Radeon Graphics, while the Intel chip features Arc Xe-LPG 64EU.

Architecture Differences

The AMD Ryzen Embedded 9950X3D belongs to the Ryzen Embedded 9000 series, using the Granite Ridge codename and a Zen 5 (Granite Ridge) generation. It is a monolithic design built on a 4 nm process at TSMC, with a transistor count of 16,630 million and a die size of 2x 70.6 mm². The Intel Core Ultra 7 155UL comes from the Core Ultra Series 1, based on the Meteor Lake architecture and the Meteor Lake-PS codename, fabricated on a 7 nm process at Intel. This represents a significant architectural divergence: the AMD part uses a newer, denser process node from TSMC, while the Intel part uses Intel's own 7 nm node.

Cache hierarchies differ substantially. The AMD processor provides 80 KB of L1 cache per core and 1 MB of L2 cache per core, with a large 128 MB L3 cache. The Intel processor offers 112 KB of L1 cache per core and 2 MB of L2 cache per core, but only 12 MB of shared L3 cache. This means the AMD chip has more than ten times the L3 capacity, which is a defining feature of the X3D variant.

Memory support is similar in type, with both using DDR5 and a dual-channel bus, and both show the same 89.6 GB/s memory bandwidth figure. However, the Intel memory support is noted as "depends on motherboard," while the AMD part lists DDR5 directly. ECC memory support is present on the AMD processor, but the Intel processor does not support ECC.

PCIe connectivity differs by generation and lane count. The AMD chip uses Gen 5 with 24 lanes (CPU only), while the Intel chip uses Gen 4 with 8 lanes (CPU only). This gives the AMD processor both a newer PCIe standard and more than triple the lane count.

The sockets are different: the AMD part uses AMD Socket AM5, while the Intel part uses Intel Socket 1851. The AMD multiplier is unlocked, whereas the Intel multiplier is locked. The Intel part has a launch MSRP of $426, while the AMD part has no recorded launch MSRP.

The Intel processor has a release date of 2024-04-07, which is earlier than the AMD processor's release date of 2025-10-06. Both are listed as Active in production status and both occupy the 50th percentile against all CPUs in the database, with an average benchmark score of 0 for each.

Head-to-Head Benchmarks

The recorded data shows no benchmark scores in the head-to-head comparison. Both processors have an average benchmark score of 0, and the wins count is 0 for each side. The nearest rivals lists are empty for both parts. This absence of direct measurements means a quantitative comparison based on recorded benchmark results is not possible from the database.

What the data does show is a set of specification-level advantages that would influence performance. The AMD Ryzen Embedded 9950X3D has 4 more cores and 18 more threads than the Intel Core Ultra 7 155UL. In multi-threaded workloads that scale with core count, the AMD part has a structural advantage. The boost clock difference is also notable: 5.70 GHz versus 4.80 GHz, a 0.90 GHz gap in favor of AMD for single-threaded or lightly threaded tasks.

The L3 cache difference is extreme. The AMD chip has 128 MB of L3 cache, compared to 12 MB on the Intel chip. For workloads that rely on large working sets, such as certain database operations, scientific simulations, or content creation tasks, this cache capacity can reduce memory traffic and improve throughput. The AMD chip also has a much larger total cache footprint when accounting for L1 and L2 per core.

However, the Intel part has a much lower TDP of 15 versus 170 for the AMD chip. This means the Intel processor is designed for significantly lower power draw, which may make it suitable for thermally constrained environments or fanless designs. The AMD part, by contrast, requires substantial cooling and power delivery.

The PCIe lane count also favors AMD: 24 Gen 5 lanes versus 8 Gen 4 lanes. For systems with multiple high-bandwidth peripherals such as GPUs, NVMe storage, or network cards, the AMD platform provides more headroom. The Intel part's 8 Gen 4 lanes are more limited.

Specification Differences

The two processors differ across nearly every major specification field.

Cores: AMD has 16 cores; Intel has 12 cores. The AMD part has 32 threads versus Intel's 14 threads, a difference of 18 threads.

Clock speeds: The AMD base clock is 4.30 GHz, while the Intel base clock is 1.70 GHz. The AMD boost clock is 5.70 GHz, while the Intel boost clock is 4.80 GHz.

TDP: AMD is rated at 170; Intel is rated at 15. This is a 155-point difference in thermal design power.

Process node: AMD uses 4 nm from TSMC; Intel uses 7 nm from Intel. The foundries differ as well.

Transistors and die size: AMD has 16,630 million transistors and a die size of 2x 70.6 mm². Intel has no recorded transistor count or die size.

Cache: AMD L1 is 80 KB per core, L2 is 1 MB per core, and L3 is 128 MB. Intel L1 is 112 KB per core, L2 is 2 MB per core, and L3 is 12 MB shared.

Memory: Both use DDR5 and dual-channel, with identical 89.6 GB/s bandwidth. AMD supports ECC; Intel does not.

PCIe: AMD uses Gen 5 with 24 lanes; Intel uses Gen 4 with 8 lanes.

Integrated graphics: AMD has Radeon Graphics; Intel has Arc Xe-LPG 64EU.

Socket: AMD Socket AM5 versus Intel Socket 1851.

Multiplier: AMD is unlocked; Intel is locked.

Release date: AMD is 2025-10-06; Intel is 2024-04-07.

Launch MSRP: Intel has a launch MSRP of $426; AMD has none recorded.

Market segment: Both are listed as Desktop.

Where Each One Wins

The AMD Ryzen Embedded 9950X3D shows clear advantages in raw compute resources. With 16 cores and 32 threads, it can handle heavily parallel workloads such as rendering, compilation, or virtualization with more simultaneous work than the Intel Core Ultra 7 155UL's 12 cores and 14 threads. The higher boost clock of 5.70 GHz versus 4.80 GHz also favors AMD in latency-sensitive, single-threaded tasks. The 128 MB L3 cache is a major differentiator for workloads with large data sets that fit in cache, potentially reducing repeated memory accesses.

The AMD processor also wins on platform connectivity. Its 24 Gen 5 lanes provide more bandwidth and more device support than Intel's 8 Gen 4 lanes. Systems requiring multiple high-speed storage devices, GPUs, or accelerators would benefit from the AMD platform. The unlocked multiplier on the AMD part allows for frequency adjustment, which is relevant for users who plan to tune their systems.

The Intel Core Ultra 7 155UL wins on power efficiency. Its TDP of 15 is dramatically lower than AMD's 170, which means it can operate in environments with limited cooling or power budgets. For embedded applications in industrial PCs, network appliances, or fanless chassis, the Intel part's lower thermal output is a significant practical advantage. The earlier release date of 2024-04-07 also means the Intel platform has been available for a longer period.

The Intel chip has a higher L1 cache per core at 112 KB versus 80 KB, and a higher L2 cache per core at 2 MB versus 1 MB. For certain per-core workloads, this could provide a slight edge in cache locality, though the AMD chip's massive L3 advantage likely outweighs this in aggregate.

The Intel part also supports ECC memory? No, the data shows ECC support is false for Intel and true for AMD, so that advantage goes to AMD. The Intel launch MSRP of $426 is recorded, but pricing comparisons are not part of this analysis.

For use-case selection, the recorded data indicates that the AMD processor is suited for compute-heavy, high-throughput embedded workloads where power draw is not a primary constraint. The Intel processor is suited for power-sensitive embedded deployments where the 15 TDP and moderate performance envelope match the thermal and electrical limits of the chassis. The absence of benchmark scores in the database means these conclusions are drawn from architectural and specification differences rather than measured performance deltas.