AMD Ryzen Embedded 9900X vs Intel Core Ultra 7 155UL Comparison

The AMD Ryzen Embedded 9900X and Intel Core Ultra 7 155UL are both 12-core desktop CPUs with Active production status. The recorded data shows no head-to-head benchmark results for this pairing: average benchmark scores are 0 for both, win counts are 0 for both, and both sit at the 50th percentile against all CPUs. The specification record therefore provides the only usable separation between the two.

Head-to-Head Benchmarks

The database has no populated head-to-head benchmark entries for this pair. There are no recorded scores, no win totals in either direction, and no nearest-rival percentages. The largest measurable win for either CPU is not represented in the database. What the database does record is identical aggregate standing: both parts have an average benchmark score of 0 and a 50th percentile rank. These values indicate an absence of populated benchmark submissions rather than an equivalence in compute capability. The recorded data cannot quantify a head-to-head performance lead, so the remaining comparison is specification-based.

Architecture Differences

The AMD part is built on the Granite Ridge codename with a Zen 5 generation label, produced on a 4 nm TSMC process. TSMC is the recorded foundry, and the die is 2x 70.6 mm² with 16,630 million transistors. The Intel part uses the Meteor Lake architecture and the Meteor Lake-PS codename, produced on a 7 nm Intel process. Intel transistor and die size data are not recorded in the database.

Cache layouts diverge sharply. AMD provides 80 KB of L1 per core, 1 MB of L2 per core, and a 64 MB L3 cache. Intel provides 112 KB of L1 per core, 2 MB of L2 per core, and a 12 MB shared L3 cache. AMD's 64 MB L3 is the largest single cache allocation in the pairing, while Intel's per-core L1 and L2 allocations are larger.

Both CPUs list DDR5 memory support on a dual-channel bus with 89.6 GB/s of memory bandwidth. AMD supports ECC memory; Intel does not. AMD exposes PCIe Gen 5 with 24 CPU lanes, while Intel exposes PCIe Gen 4 with 8 CPU lanes. Integrated graphics also differ: AMD uses Radeon Graphics, Intel uses Arc Xe-LPG 64EU.

Platform details separate the two as well. AMD uses AMD Socket AM5, Intel uses Intel Socket 1851. AMD has an unlocked multiplier, Intel is locked. AMD's base clock is 4.40 GHz and boost clock is 5.60 GHz; Intel's base clock is 1.70 GHz and boost clock is 4.80 GHz. AMD's TDP is 120, Intel's is 15. Release dates are 2025-10-06 for AMD and 2024-04-07 for Intel.

Where Each One Wins

The database does not grant either CPU a benchmark win. Based on the recorded specification deltas, the AMD Ryzen Embedded 9900X is positioned for workloads that scale with threads, clock speed, cache capacity, and PCIe bandwidth. Its 24 threads, 5.60 GHz boost, 64 MB L3, and PCIe Gen 5 with 24 lanes are the standout numbers for multi-threaded compute, high-clock single-thread tasks, and high-throughput I/O. The unlocked multiplier and ECC support add platform flexibility that the Intel part does not have.

The Intel Core Ultra 7 155UL wins on power envelope and integrated graphics specificity. Its 15 TDP is far lower than AMD's 120 TDP, making it the lower-power desktop option in the pairing. Its Arc Xe-LPG 64EU iGPU is a named graphics block, whereas AMD's iGPU is listed only as Radeon Graphics. Intel also has larger per-core L1 and L2 caches: 112 KB and 2 MB per core, respectively, versus AMD's 80 KB and 1 MB per core. Those per-core cache advantages and the low power draw point to lighter, latency-sensitive workloads and compact desktop platforms. Intel's earlier release date, 2024-04-07 against AMD's 2025-10-06, also gives it a longer recorded availability window.

FAQ

Q: How many cores and threads does each CPU have?

A: Both have 12 cores. The AMD Ryzen Embedded 9900X has 24 threads, while the Intel Core Ultra 7 155UL has 14 threads.

Q: What clock speeds are recorded?

A: AMD has a base clock of 4.40 GHz and a boost clock of 5.60 GHz. Intel has a base clock of 1.70 GHz and a boost clock of 4.80 GHz.

Q: Do both CPUs use DDR5 memory?

A: Yes. Both list DDR5 support with a dual-channel bus and 89.6 GB/s bandwidth. Intel's support is qualified as depending on the motherboard, while AMD's is not.

Q: What are the TDP ratings?

A: AMD is rated at 120 TDP, and Intel is rated at 15 TDP.

Q: Which CPU supports ECC memory?

A: AMD lists ECC support. Intel does not list ECC support.

Q: What are the PCIe capabilities?

A: AMD provides PCIe Gen 5 with 24 CPU lanes. Intel provides PCIe Gen 4 with 8 CPU lanes.

Specification Differences

The table below lists only recorded specifications where the two CPUs differ. Matching fields include 12 cores, a dual-channel memory bus, 89.6 GB/s memory bandwidth, Desktop market segment, Active production status, 0 average benchmark score, and a 50th percentile rank.

| Specification | AMD Ryzen Embedded 9900X | Intel Core Ultra 7 155UL |

| Series | 9000 series | Core Ultra Series 1 |

| Generation | Ryzen Embedded (Zen 5 (Granite Ridge)) | Ultra 7 (Meteor Lake-PS) |

| Manufacturer | AMD | Intel |

| Threads | 24 | 14 |

| Base clock | 4.40 GHz | 1.70 GHz |

| Boost clock | 5.60 GHz | 4.80 GHz |

| TDP | 120 | 15 |

| Socket | AMD Socket AM5 | Intel Socket 1851 |

| Codename | Granite Ridge | Meteor Lake-PS |

| Process node | 4 nm (TSMC) | 7 nm (Intel) |

| Foundry | TSMC | Intel |

| Transistors | 16,630 million | Not recorded |

| Die size | 2x 70.6 mm² | Not recorded |

| L1 cache | 80 KB (per core) | 112 KB (per core) |

| L2 cache | 1 MB (per core) | 2 MB (per core) |

| L3 cache | 64 MB | 12 MB (shared) |

| Memory support | DDR5 | DDR5 (depends on motherboard) |

| ECC memory | Yes | No |

| PCIe | Gen 5, 24 Lanes (CPU only) | Gen 4, 8 Lanes (CPU only) |

| Integrated graphics | Radeon Graphics | Arc Xe-LPG 64EU |

| Release date | 2025-10-06 | 2024-04-07 |

| Launch MSRP | Not listed | $426 |

| Multiplier unlocked | Yes | No |

| Part number | 100-000000662E | SRN97 |