AMD Ryzen AI Max 390 vs AMD Ryzen Embedded 9950X3D Comparison

Head-to-Head Benchmarks

The recorded database contains no direct head-to-head benchmark comparisons between the AMD Ryzen AI Max 390 and the AMD Ryzen Embedded 9950X3D. The Ryzen AI Max 390 has a full suite of benchmark scores, while the Ryzen Embedded 9950X3D has no individual benchmark entries, no average score, and no nearest rival data. Consequently, direct numeric comparisons across specific workloads are impossible from the available data.

The Ryzen AI Max 390 delivers an average benchmark score of 56,273 and sits at the 91st percentile among all CPUs. Its closest rivals in the database are the AMD Ryzen AI 9 HX PRO 470 (average score 56,306, 0.1% higher), the AMD Ryzen Threadripper PRO 3955WX (average score 56,555, 0.5% higher), the Intel Core i9-14900HX (average score 56,004, 0.5% lower), and the Intel Core 7 253PQE (average score 55,919, 0.6% lower). This places the Ryzen AI Max 390 within a tight performance cluster, where the largest recorded delta against any listed rival is only 0.6%.

For the Ryzen AI Max 390 specifically, its Cinebench scores reveal strong multi-threaded capability. It records 3,635 in Cinebench R15 multi-core, 15,146 in R20 multi-core, and 36,064 in R23 multi-core. Single-core results are 513 in R15, 2,138 in R20, and 5,091 in R23. PassMark results show 41,737 in multi-thread, 4,028 in single-thread, 146,519 in integer math, 90,594 in floating-point math, 48,7145 in data compression, 25,097 in data encryption, and 38,716 in extended instructions. The Ryzen Embedded 9950X3D has no scores in any of these tests, so no win counts can be assigned to either processor.

Architecture Differences

The two processors share a common foundation: both use the Zen 5 architecture, are manufactured on a 4 nm process at TSMC, and use a dual-die design with each die measuring 70.6 mm². The Ryzen AI Max 390 uses the Strix Halo codename, while the Ryzen Embedded 9950X3D uses Granite Ridge. Both have the same L1 cache at 80 KB per core and the same L2 cache at 1 MB per core.

The differences begin with core and thread counts. The Ryzen AI Max 390 has 12 cores and 24 threads, while the Ryzen Embedded 9950X3D has 16 cores and 32 threads. The Ryzen Embedded part also has 128 MB of shared L3 cache, double the 64 MB shared L3 found on the Ryzen AI Max 390. The transistor count is listed only for the Ryzen Embedded 9950X3D at 16,630 million; no transistor figure is provided for the Ryzen AI Max 390.

Clock speeds differ substantially. The Ryzen AI Max 390 has a base clock of 3.20 GHz and a boost clock of 5.00 GHz. The Ryzen Embedded 9950X3D runs at a base clock of 4.30 GHz and a boost clock of 5.70 GHz. Thermal design power also diverges sharply: the Ryzen AI Max 390 is rated at 55 W, while the Ryzen Embedded 9950X3D is rated at 170 W.

Memory support and bandwidth present another major split. The Ryzen AI Max 390 uses LPDDR5X memory with a quad-channel bus and a memory bandwidth of 256.0 GB/s. The Ryzen Embedded 9950X3D uses DDR5 memory with a dual-channel bus and a memory bandwidth of 89.6 GB/s. Both support ECC memory.

PCIe connectivity also differs. The Ryzen AI Max 390 provides PCIe Gen 4 with 16 lanes (CPU only), while the Ryzen Embedded 9950X3D provides PCIe Gen 5 with 24 lanes (CPU only). Integrated graphics are present on both: the Ryzen AI Max 390 uses Radeon 8050S, and the Ryzen Embedded 9950X3D uses Radeon Graphics without a specific model designation.

The Ryzen AI Max 390 uses the AMD Socket FP11, is classified as a mobile processor, and has a locked multiplier. The Ryzen Embedded 9950X3D uses the AMD Socket AM5, is classified as a desktop processor, and has an unlocked multiplier. The Ryzen Embedded part belongs to the 9000 series, while the Ryzen AI Max 390 has no series designation.

Where Each One Wins

From the data available, the Ryzen AI Max 390 is the only one with recorded benchmark results, so it is the only processor that can be assessed for workload strengths. Its Cinebench R23 multi-core score of 36,064 and PassMark multi-thread score of 41,737 indicate strong parallel processing capability. Its PassMark integer math score of 146,519 and floating-point math score of 90,594 show balanced arithmetic performance. Data compression at 487,145 and random string sorting at 53,113 further demonstrate throughput in data manipulation tasks.

The Ryzen Embedded 9950X3D has no benchmark scores in the database, so no workload-specific wins can be identified for it. Its architectural specifications, however, suggest different strengths based on the recorded data. It has more cores (16 versus 12), more threads (32 versus 24), a larger L3 cache (128 MB versus 64 MB), and higher clock speeds (4.30 GHz base and 5.70 GHz boost versus 3.20 GHz and 5.00 GHz). These are specification differences, not measured benchmark results, but they imply that the Ryzen Embedded part has a structural advantage in heavily threaded workloads and cache-sensitive tasks. The Ryzen AI Max 390, with its higher memory bandwidth (256.0 GB/s versus 89.6 GB/s) and quad-channel LPDDR5X support, appears better positioned for memory-bandwidth-intensive applications.

The Ryzen AI Max 390 also has a higher percentile ranking at 91 versus the Ryzen Embedded 9950X3D's 50, though this percentile for the latter is based on no recorded benchmark average. The Ryzen AI Max 390's average benchmark score of 56,273 stands against a zero average for the Ryzen Embedded 9950X3D.

FAQ

Q: Which processor has more cores and threads?

A: The AMD Ryzen Embedded 9950X3D has 16 cores and 32 threads, while the AMD Ryzen AI Max 390 has 12 cores and 24 threads.

Q: What is the L3 cache size difference between the two?

A: The Ryzen Embedded 9950X3D has 128 MB of shared L3 cache, which is double the 64 MB shared L3 cache on the Ryzen AI Max 390.

Q: How does memory bandwidth compare?

A: The Ryzen AI Max 390 supports quad-channel LPDDR5X with a memory bandwidth of 256.0 GB/s. The Ryzen Embedded 9950X3D supports dual-channel DDR5 with a memory bandwidth of 89.6 GB/s.

Q: Are both processors on the same manufacturing process?

A: Yes, both are fabricated on a 4 nm process at TSMC, and both use a dual-die design with each die measuring 70.6 mm².

Q: What are the clock speed differences?

A: The Ryzen AI Max 390 has a base clock of 3.20 GHz and a boost clock of 5.00 GHz. The Ryzen Embedded 9950X3D has a base clock of 4.30 GHz and a boost clock of 5.70 GHz.

Q: Do both processors support ECC memory?

A: Yes, both the Ryzen AI Max 390 and the Ryzen Embedded 9950X3D support ECC memory.

Q: What are the socket and market segment differences?

A: The Ryzen AI Max 390 uses AMD Socket FP11 and is a mobile processor. The Ryzen Embedded 9950X3D uses AMD Socket AM5 and is a desktop processor.

Specification Differences

| Specification | AMD Ryzen AI Max 390 | AMD Ryzen Embedded 9950X3D |

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

| Series | None | 9000 series |

| Cores | 12 | 16 |

| Threads | 24 | 32 |

| Base Clock | 3.20 GHz | 4.30 GHz |

| Boost Clock | 5.00 GHz | 5.70 GHz |

| TDP | 55 W | 170 W |

| Socket | AMD Socket FP11 | AMD Socket AM5 |

| Codename | Strix Halo | Granite Ridge |

| Generation | Ryzen AI Max (Zen 5 (Strix Halo)) | Ryzen Embedded (Zen 5 (Granite Ridge)) |

| Transistors | Not listed | 16,630 million |

| L3 Cache | 64 MB (shared) | 128 MB |

| Memory Support | LPDDR5X | DDR5 |

| Memory Bus | Quad-channel | Dual-channel |

| Memory Bandwidth | 256.0 GB/s | 89.6 GB/s |

| PCIe | Gen 4, 16 Lanes (CPU only) | Gen 5, 24 Lanes (CPU only) |

| Integrated Graphics | Radeon 8050S | Radeon Graphics |

| Market Segment | Mobile | Desktop |

| Release Date | 2025-01-05 | 2025-10-06 |

| Multiplier Unlocked | No | Yes |

| Part Number | 100-000001423 | 100-000000719E |

| Average Benchmark Score | 56,273 | 0 |

| Percentile vs All CPUs | 91 | 50 |

The Verdict

Based strictly on the recorded database, the AMD Ryzen AI Max 390 is the only processor with measurable benchmark performance. Its average benchmark score of 56,273 and 91st percentile ranking provide concrete evidence of its standing among all CPUs. The AMD Ryzen Embedded 9950X3D has no benchmark scores, an average of zero, and a 50th percentile that reflects no measured data. For any user relying on recorded performance metrics, the Ryzen AI Max 390 is the only option with validated results.

The Ryzen Embedded 9950X3D, however, offers a different specification profile that may matter for certain workloads. It has more cores and threads, a larger L3 cache, higher base and boost clocks, and a higher TDP envelope. These attributes are not benchmarked, but they are recorded facts. The Ryzen AI Max 390 counters with dramatically higher memory bandwidth, a quad-channel memory bus, and a much lower TDP, making it suitable for power-sensitive mobile deployments.

The data does not support a blanket performance winner because no head-to-head scores exist. The choice depends on which recorded specifications align with the intended use. For validated benchmark performance, the Ryzen AI Max 390 stands alone. For raw core count, cache size, and clock speed, the Ryzen Embedded 9950X3D has the edge on paper. The Ryzen AI Max 390 also carries a newer release date of 2025-01-05 versus 2025-10-06 for the Ryzen Embedded part, though both are active production parts.