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

The Verdict

The data presents a clear split. The AMD Ryzen Embedded 9950X is the choice for systems where power limits, platform cost, and integrated graphics matter. The AMD Ryzen Threadripper PRO 9955WX is the choice for raw throughput and memory bandwidth. The recorded data shows the Threadripper PRO 9955WX holds a 97th percentile ranking across all CPUs, while the Embedded 9950X sits at the 50th percentile. The Ryzen Embedded 9950X has no benchmark scores recorded in the database, so all quantitative comparisons must rely on the Threadripper PRO 9955WX's results and specification differences.

The Embedded 9950X suits designs that need a 170 W TDP, a standard AMD Socket AM5, and integrated Radeon Graphics. The Threadripper PRO 9955WX serves workstations that can accommodate a 350 W TDP and require the massive memory bandwidth of an eight-channel DDR5 interface. Its launch MSRP is $1649. The Threadripper part delivers a single-core boost of 5.40 GHz versus the Embedded part's 5.70 GHz, but the Threadripper part's advantage lies in platform scaling, not clock speed. The data indicates the Threadripper PRO 9955WX averages a benchmark score of 101041, with its nearest rival, the AMD EPYC 7513, scoring 102244, a delta of -1.2 percent. This places the Threadripper in a strong competitive position among workstation and server parts.

Architecture Differences

Both processors belong to the 9000 series and share the same process node, foundry, transistor count, and die size. Both use a 4 nm process from TSMC, with 16,630 million transistors and a die size of 2x 70.6 mm². The Embedded 9950X uses the Granite Ridge codename and is listed under the Ryzen Embedded generation with Zen 5 (Granite Ridge) architecture. The Threadripper PRO 9955WX uses the Shimada Peak codename and is listed under the Ryzen Threadripper generation with Zen 5 architecture, though its generation field references Zen 4 (Storm Peak). This inconsistency in the generation field is a notable data point.

The cache layouts differ per core. The Embedded 9950X has 80 KB of L1 cache per core, while the Threadripper PRO 9955WX has 64 KB of L1 cache per core. Both share 1 MB of L2 cache per core and 64 MB of L3 cache total. The Threadripper part's smaller L1 cache per core is offset by its vastly larger memory interface.

The Embedded 9950X uses dual-channel DDR5 memory with a bandwidth of 89.6 GB/s. The Threadripper PRO 9955WX uses eight-channel DDR5 memory with a bandwidth of 409.6 GB/s. That is a 4.57x difference in memory bandwidth. The PCIe lane counts differ dramatically as well. The Embedded part provides Gen 5, 28 lanes (CPU only), while the Threadripper part provides Gen 5, 128 lanes (CPU only). The Threadripper platform supports far more expansion devices and high-speed peripherals.

The Embedded 9950X includes integrated Radeon Graphics. The Threadripper PRO 9955WX has no integrated graphics. Both support ECC memory. Both have an unlocked multiplier. The Embedded part uses AMD Socket AM5, while the Threadripper part uses AMD Socket sTR5. The release dates differ: the Embedded 9950X launched on 2025-10-06, and the Threadripper PRO 9955WX launched on 2025-07-22.

FAQ

Q: Which processor has the higher boost clock?

A: The AMD Ryzen Embedded 9950X has a boost clock of 5.70 GHz, while the AMD Ryzen Threadripper PRO 9955WX boosts to 5.40 GHz.

Q: Which processor supports more memory channels?

A: The AMD Ryzen Threadripper PRO 9955WX supports eight-channel DDR5 memory, while the AMD Ryzen Embedded 9950X supports dual-channel DDR5 memory.

Q: Does the Threadripper PRO 9955WX have integrated graphics?

A: No, the Threadripper PRO 9955WX lists integrated graphics as N/A. The Ryzen Embedded 9950X includes Radeon Graphics.

Q: What is the memory bandwidth difference between the two?

A: The Threadripper PRO 9955WX offers 409.6 GB/s of memory bandwidth, while the Embedded 9950X offers 89.6 GB/s.

Q: How many PCIe lanes does each CPU provide?

A: The Embedded 9950X provides Gen 5, 28 lanes (CPU only). The Threadripper PRO 9955WX provides Gen 5, 128 lanes (CPU only).

Q: What are the TDP ratings for each processor?

A: The Embedded 9950X has a TDP of 170 W. The Threadripper PRO 9955WX has a TDP of 350 W.

Specification Differences

The two processors differ in several key specification fields. The base clock of the Embedded 9950X is 4.30 GHz, while the Threadripper PRO 9955WX has a base clock of 4.50 GHz. The boost clock of the Embedded 9950X is 5.70 GHz, while the Threadripper PRO 9955WX boosts to 5.40 GHz. The TDP is 170 W for the Embedded part and 350 W for the Threadripper part.

The socket is AMD Socket AM5 for the Embedded 9950X and AMD Socket sTR5 for the Threadripper PRO 9955WX. The codename is Granite Ridge for the Embedded part and Shimada Peak for the Threadripper part. The generation field lists Ryzen Embedded (Zen 5 (Granite Ridge)) for the Embedded part and Ryzen Threadripper (Zen 4 (Storm Peak)) for the Threadripper part.

The L1 cache is 80 KB per core on the Embedded 9950X versus 64 KB per core on the Threadripper PRO 9955WX. The L2 cache is identical at 1 MB per core. The L3 cache is identical at 64 MB. The memory bus is dual-channel for the Embedded part and eight-channel for the Threadripper part. Memory bandwidth is 89.6 GB/s versus 409.6 GB/s. PCIe lanes are 28 for the Embedded part and 128 for the Threadripper part. Integrated graphics are Radeon Graphics on the Embedded part and N/A on the Threadripper part. The release date is 2025-10-06 for the Embedded part and 2025-07-22 for the Threadripper part. The part numbers are 100-000001277E for the Embedded part and 100-000000725 for the Threadripper part.

Head-to-Head Benchmarks

The database contains no head-to-head benchmark entries for these two processors. The Embedded 9950X has no benchmark scores at all, and its average benchmark score is 0. The Threadripper PRO 9955WX, however, has a full suite of recorded results. The Cinebench R15 multicore score is 5996, and the single-core score is 846. The Cinebench R20 multicore score is 24987, with a single-core score of 3527. The Cinebench R23 multicore score is 59494, and the single-core score is 8399.

The Passmark results for the Threadripper PRO 9955WX show strong multicore performance. The multithread score is 67035, and the single-thread score is 4530. Data compression scores 920954, while data encryption scores 44389. Extended instructions score 76363, and find prime numbers scores 337. Floating point math scores 156215, and integer math scores 236120. Physics scores 4156, and random string sorting scores 99813.

The Threadripper PRO 9955WX's average benchmark score of 101041 places it at the 97th percentile among all CPUs. Its nearest rivals in the database are the AMD EPYC 7513 with an average score of 102244 (a delta of -1.2 percent), the AMD EPYC 4585PX with 99324 (a delta of 1.7 percent), the AMD EPYC 8324P with 103329 (a delta of -2.2 percent), and the AMD Ryzen Threadripper PRO 5965WX with 98504 (a delta of 2.6 percent). These deltas indicate the Threadripper PRO 9955WX performs within a narrow band around these server-class parts.

Without benchmark data for the Embedded 9950X, the only quantitative comparison comes from specifications. The Threadripper part has a 4.57x memory bandwidth advantage and a 4.57x PCIe lane advantage. The Embedded part has a 0.30 GHz higher boost clock and a 16 KB per core larger L1 cache. The Threadripper part's Cinebench R23 multicore score of 59494 and Passmark multithread score of 67035 demonstrate the level of throughput expected from this platform.

Where Each One Wins

The AMD Ryzen Threadripper PRO 9955WX wins in scenarios that demand maximum memory bandwidth. Its 409.6 GB/s eight-channel DDR5 interface dwarfs the Embedded 9950X's 89.6 GB/s dual-channel interface. Workloads such as large-scale data compression, encryption, and floating point math benefit from this bandwidth. The Passmark data compression score of 920954 and floating point math score of 156215 reflect this capacity. The Threadripper part also wins in expansion-heavy systems, with Gen 5, 128 lanes supporting many PCIe devices simultaneously.

The Threadripper PRO 9955WX also wins on the basis of recorded performance data. Its 97th percentile ranking and average benchmark score of 101041 give it a concrete performance profile. The nearest rivals show it trades blows with the AMD EPYC 7513 (delta of -1.2 percent) and the AMD EPYC 8324P (delta of -2.2 percent), while leading the AMD EPYC 4585PX by 1.7 percent and the AMD Ryzen Threadripper PRO 5965WX by 2.6 percent.

The AMD Ryzen Embedded 9950X wins in power-constrained environments. Its 170 W TDP is less than half of the Threadripper part's 350 W TDP. The Embedded part also wins in systems that need integrated graphics, as it includes Radeon Graphics while the Threadripper part has none. The Embedded part's higher boost clock of 5.70 GHz versus 5.40 GHz suggests an advantage in lightly threaded workloads that rely on single-core frequency. Its 80 KB per core L1 cache is larger than the Threadripper part's 64 KB per core, which may benefit certain latency-sensitive tasks.

The Embedded 9950X wins in platform simplicity. It uses AMD Socket AM5, a mainstream desktop socket, rather than the workstation-class sTR5 socket. The dual-channel memory bus and 28 PCIe lanes match typical desktop usage patterns. The Threadripper PRO 9955WX requires a platform designed for eight-channel memory and 128 PCIe lanes, which implies a larger motherboard and more complex power delivery, though the database does not record those details.

The data does not include benchmark scores for the Embedded 9950X, so the performance relationship between the two cannot be measured directly. The specification differences, however, outline two distinct roles. The Threadripper PRO 9955WX delivers server-class throughput and expansion capacity. The Embedded 9950X delivers a lower-power, graphics-equipped desktop processor with a higher boost clock. Each processor wins in the context its specifications target.