AMD Ryzen Embedded 9950X3D vs AMD Ryzen Threadripper PRO 9955WX Comparison

Head-to-Head Benchmarks

The recorded data shows a clear performance hierarchy between these two processors, though direct head-to-head benchmark results are unavailable. The AMD Ryzen Threadripper PRO 9955WX carries 17 recorded benchmark scores, while the AMD Ryzen Embedded 9950X3D has no benchmark entries in the database. This asymmetry means the comparison relies on the Threadripper's absolute scores and its percentile position against all CPUs.

The Threadripper PRO 9955WX achieves an average benchmark score of 101041, placing it in the 97th percentile among all CPUs. Its nearest rival, the AMD EPYC 7513, scores 102244, which is 1.2% higher. The AMD EPYC 4585PX trails by 1.7% with a score of 99324, while the AMD EPYC 8324P leads by 2.2% at 103329. The AMD Ryzen Threadripper PRO 5965WX sits 2.6% behind at 98504.

In Cinebench testing, the Threadripper PRO 9955WX posts a multi-core score of 59494 in Cinebench R23, a 24987 result in Cinebench R20, and 5996 in Cinebench R15. Single-core results show 8399 in R23, 3527 in R20, and 846 in R15. These numbers indicate robust scaling across both multi-threaded and single-threaded workloads.

PassMark results for the Threadripper PRO 9955WX show 67035 in multithread testing, 4530 in single-thread testing, and 4530 in the singlethread test. Data compression scores 920954, while data encryption reaches 44389. Extended instructions hit 76363, and prime number finding scores 337. Floating point math records 156215, integer math scores 236120, physics testing reaches 4156, and random string sorting posts 99813.

The absence of benchmark data for the Ryzen Embedded 9950X3D means the database cannot confirm its competitive standing. Its percentile ranking of 50 against all CPUs suggests it sits at the median, but this value derives from incomplete records. The Threadripper PRO 9955WX, by contrast, demonstrates high-end placement with its 97th percentile score.

Architecture Differences

The two processors share the same 4 nm process node from TSMC, and both contain 16,630 million transistors across a 2x 70.6 mm² die size. Both use DDR5 memory and support ECC memory. Both have unlocked multipliers. The similarities end at the core architecture level.

The Ryzen Embedded 9950X3D uses the Granite Ridge codename and belongs to the Ryzen Embedded generation with Zen 5 architecture. Its L1 cache measures 80 KB per core, L2 cache is 1 MB per core, and L3 cache totals 128 MB. The Threadripper PRO 9955WX uses the Shimada Peak codename, listed under the Ryzen Threadripper generation with Zen 4 architecture. Its L1 cache is smaller at 64 KB per core, L2 matches at 1 MB per core, but L3 drops to 64 MB.

Memory channels differ substantially. The Ryzen Embedded 9950X3D supports dual-channel memory with 89.6 GB/s bandwidth. The Threadripper PRO 9955WX supports eight-channel memory with 409.6 GB/s bandwidth, a 4.6x increase in memory throughput. PCIe lane counts also diverge: the Embedded processor provides Gen 5 with 24 CPU lanes, while the Threadripper offers Gen 5 with 128 CPU lanes.

Integrated graphics separate the two as well. The Ryzen Embedded 9950X3D includes Radeon Graphics, while the Threadripper PRO 9955WX has no integrated graphics. Sockets differ: the Embedded chip uses AMD Socket AM5, and the Threadripper uses AMD Socket sTR5.

Clock speeds show a trade-off. The Ryzen Embedded 9950X3D has a 4.30 GHz base clock and 5.70 GHz boost clock. The Threadripper PRO 9955WX has a higher 4.50 GHz base clock but a lower 5.40 GHz boost clock. Thermal design power differs sharply: the Embedded chip is rated at 170 W, while the Threadripper is rated at 350 W.

Release timing also differs. The Threadripper PRO 9955WX launched on 2025-07-22, while the Ryzen Embedded 9950X3D launched later on 2025-10-06. The Threadripper carries a launch MSRP of $1649; the Embedded chip has no recorded launch MSRP.

FAQ

Q: Which processor has more L3 cache?

A: The AMD Ryzen Embedded 9950X3D has 128 MB of L3 cache, double the 64 MB found in the AMD Ryzen Threadripper PRO 9955WX.

Q: What memory bandwidth does each processor support?

A: The Ryzen Embedded 9950X3D supports dual-channel DDR5 with 89.6 GB/s bandwidth. The Threadripper PRO 9955WX supports eight-channel DDR5 with 409.6 GB/s bandwidth.

Q: Do both processors use the same manufacturing process?

A: Yes. Both are built on a 4 nm process at TSMC, with identical transistor counts of 16,630 million and the same 2x 70.6 mm² die size.

Q: Which processor has a higher boost clock?

A: The Ryzen Embedded 9950X3D reaches a 5.70 GHz boost clock, while the Threadripper PRO 9955WX tops out at 5.40 GHz. The Threadripper has a higher base clock at 4.50 GHz versus 4.30 GHz.

Q: How many PCIe lanes does each processor provide?

A: The Ryzen Embedded 9950X3D provides 24 Gen 5 lanes from the CPU. The Threadripper PRO 9955WX provides 128 Gen 5 lanes from the CPU.

Q: What is the Threadripper PRO 9955WX's benchmark position relative to rivals?

A: It scores 101041 on average, sitting 1.2% below the AMD EPYC 7513, 1.7% above the AMD EPYC 4585PX, 2.2% below the AMD EPYC 8324P, and 2.6% above the AMD Ryzen Threadripper PRO 5965WX.

Specification Differences

| Specification | AMD Ryzen Embedded 9950X3D | AMD Ryzen Threadripper PRO 9955WX |

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

| Cores | 16 | 16 |

| Threads | 32 | 32 |

| Base clock | 4.30 GHz | 4.50 GHz |

| Boost clock | 5.70 GHz | 5.40 GHz |

| TDP | 170 W | 350 W |

| Socket | AMD Socket AM5 | AMD Socket sTR5 |

| Codename | Granite Ridge | Shimada Peak |

| Generation | Ryzen Embedded (Zen 5) | Ryzen Threadripper (Zen 4) |

| L1 cache | 80 KB per core | 64 KB per core |

| L2 cache | 1 MB per core | 1 MB per core |

| L3 cache | 128 MB | 64 MB |

| Memory bus | Dual-channel | Eight-channel |

| Memory bandwidth | 89.6 GB/s | 409.6 GB/s |

| PCIe | Gen 5, 24 lanes | Gen 5, 128 lanes |

| Integrated graphics | Radeon Graphics | N/A |

| Release date | 2025-10-06 | 2025-07-22 |

| Launch MSRP | None recorded | $1649 |

Where Each One Wins

The AMD Ryzen Threadripper PRO 9955WX dominates in measured benchmark performance across every recorded test. Its Cinebench R23 multi-core score of 59494 and PassMark multithread score of 67035 indicate strong parallel processing capability. The eight-channel memory bus with 409.6 GB/s bandwidth gives it a decisive advantage in memory-intensive workloads, and 128 PCIe Gen 5 lanes support extensive peripheral expansion. The higher 4.50 GHz base clock contributes to its leading single-thread PassMark score of 4530. The 97th percentile ranking confirms its placement among high-end desktop processors.

The AMD Ryzen Embedded 9950X3D wins on architectural efficiency in several specific areas. Its 128 MB L3 cache doubles the Threadripper's 64 MB, which benefits workloads with large working sets that fit in cache. The 5.70 GHz boost clock exceeds the Threadripper's 5.40 GHz, offering higher peak single-thread frequency. The 170 W TDP versus 350 W indicates lower thermal output. The inclusion of Radeon Graphics provides integrated display output without a discrete GPU. The AM5 socket and dual-channel memory make it suitable for standard desktop platforms.

The benchmark data favors the Threadripper PRO 9955WX in all 17 recorded tests, but the Embedded 9950X3D lacks any recorded scores. The Threadripper's average score of 101041 and 97th percentile standing show it outperforms most CPUs in the database. Its nearest rivals, the EPYC 7513 and EPYC 8324P, score within 2.2% on either side, indicating a tight competitive cluster at this performance tier.

For multi-threaded rendering, data processing, and memory-heavy tasks, the Threadripper PRO 9955WX delivers superior throughput based on its Cinebench and PassMark results. The Embedded 9950X3D, with its larger L3 cache and higher boost clock, targets scenarios where cache capacity and peak frequency matter more than raw memory bandwidth. The 350 W TDP of the Threadripper suggests a platform designed for sustained high-load operation, while the 170 W Embedded chip fits lower-power deployments.

The data shows no direct benchmark comparison between the two, so the performance gap cannot be quantified. The Threadripper PRO 9955WX's recorded scores place it firmly in the 97th percentile, while the Embedded 9950X3D's 50th percentile ranking reflects missing data rather than measured performance. The Threadripper's 16 cores and 32 threads match the Embedded chip's counts, but the memory subsystem and PCIe connectivity differ by factors of 4 to 5, shaping distinct application profiles.