AMD Ryzen 3 3100U vs AMD Ryzen Embedded 9700X Comparison

The Verdict

The database records two processors from opposite ends of AMD's portfolio. The AMD Ryzen 3 3100U is a mobile part from the 3000 series, built around the Zen+ (Picasso) architecture on a 12 nm process. The AMD Ryzen Embedded 9700X is a desktop-class embedded part from the 9000 series, using the Zen 5 (Granite Ridge) architecture on a 4 nm process. The data shows a complete generational and performance-class separation.

The Ryzen 3 3100U has an average benchmark score of 6247, placing it in the 62nd percentile of all CPUs in the database. Its nearest rivals include the AMD Ryzen Threadripper 1950X (6231, 0.3% ahead), the AMD EPYC 7272 (6186, 1% ahead), and the Intel Core i9-10920X (6347, 1.6% behind). This places the 3100U in a surprisingly competitive position against older high-core-count parts in aggregate scoring, despite having only 2 cores and 2 threads.

The Ryzen Embedded 9700X has no recorded benchmark scores in the database, an average benchmark score of 0, and sits at the 50th percentile. With no head-to-head benchmark data available, the comparison relies entirely on architectural specifications and the measured performance of the 3100U. The 9700X offers 8 cores and 16 threads, a 3.80 GHz base clock, and a 5.50 GHz boost clock, compared to the 3100U's 2 cores, 2 threads, 1.90 GHz base, and 3.20 GHz boost.

From the recorded data, the 3100U is the only one of the two with actual performance measurements. The 9700X's specifications indicate a far higher compute ceiling, but the database cannot confirm its real-world standing without benchmark scores. The choice between them depends on whether the user needs the measured, active mobile part with lower power draw, or the embedded desktop part with substantially more cores, threads, and higher clock speeds.

Architecture Differences

The two processors share a manufacturer but diverge sharply in architecture. The Ryzen 3 3100U uses the Picasso codename, part of the Zen+ generation, produced on a 12 nm process at GlobalFoundries. The Ryzen Embedded 9700X uses the Granite Ridge codename, part of the Zen 5 generation, produced on a 4 nm process at TSMC. The process node difference is significant: 12 nm versus 4 nm, which affects transistor density and power efficiency.

Transistor counts also differ substantially. The 3100U packs 4,940 million transistors on a die size of 210 mm². The 9700X contains 8,315 million transistors on a much smaller die of 70.6 mm². The 9700X fits roughly 68% more transistors into about one-third of the die area, a direct consequence of the denser 4 nm process.

Cache hierarchies are structured differently. The 3100U provides 96 KB of L1 per core, 512 KB of L2 per core, and 4 MB of shared L3. The 9700X provides 80 KB of L1 per core, 1 MB of L2 per core, and 32 MB of shared L3. Although per-core L1 is smaller on the 9700X, its per-core L2 is double, and its shared L3 is eight times larger.

The 3100U supports DDR4 memory over a dual-channel bus with 38.4 GB/s of bandwidth and no ECC support. The 9700X supports DDR5 over a dual-channel bus with 89.6 GB/s of bandwidth and ECC memory support. PCIe capability differs as well: the 3100U uses Gen 3, while the 9700X uses Gen 5 with 24 lanes (CPU only).

Integrated graphics are present on both. The 3100U uses Radeon Vega 8, while the 9700X uses Radeon Graphics. The 9700X has an unlocked multiplier; the 3100U does not. Sockets are incompatible: AMD Socket FP5 for the mobile 3100U, AMD Socket AM5 for the desktop 9700X.

Where Each One Wins

For the Ryzen 3 3100U, the recorded benchmark data provides a clear performance profile. It scores 38455 in data compression, 1972 in data encryption, 2116 in extended instructions, 18 in find prime numbers, 5854 in floating point math, 8873 in integer math, 3348 in multithread, 232 in physics, 4666 in random string sorting, and 1592 in single-thread tests. Its average benchmark score of 6247 places it in the 62nd percentile, ahead of the AMD EPYC 7272 by 1% and the AMD Threadripper 1950X by 0.3%, and behind the Intel Core i9-10920X by 1.6%.

For the Ryzen Embedded 9700X, the database contains no benchmark scores. Its wins can only be inferred from specifications. It has 4 times the cores and 8 times the threads of the 3100U. Its base clock is 1.90 GHz higher, and its boost clock is 2.30 GHz higher. Its memory bandwidth is 51.2 GB/s higher. Its L3 cache is 28 MB larger. These figures indicate wins in any workload that scales with core count, thread count, clock speed, memory bandwidth, or cache capacity.

The 3100U wins in power draw, with a 15 W TDP against the 9700X's 65 W TDP. It also has a smaller L1 footprint per core, which is not a performance advantage but a design difference. The 3100U's measured benchmark scores give it a concrete performance identity; the 9700X has no measured identity in the database.

FAQ

Q: Which processor has a higher average benchmark score?

A: The Ryzen 3 3100U has an average benchmark score of 6247, placing it in the 62nd percentile. The Ryzen Embedded 9700X has an average benchmark score of 0 with no recorded benchmarks.

Q: How do the core and thread counts compare?

A: The Ryzen 3 3100U has 2 cores and 2 threads. The Ryzen Embedded 9700X has 8 cores and 16 threads, which is 4 times the cores and 8 times the threads.

Q: What are the clock speed differences?

A: The Ryzen 3 3100U has a base clock of 1.90 GHz and a boost clock of 3.20 GHz. The Ryzen Embedded 9700X has a base clock of 3.80 GHz and a boost clock of 5.50 GHz.

Q: Do both processors support ECC memory?

A: No. The Ryzen 3 3100U does not support ECC memory. The Ryzen Embedded 9700X does support ECC memory.

Q: What memory types do they support?

A: The Ryzen 3 3100U supports DDR4 with 38.4 GB/s bandwidth. The Ryzen Embedded 9700X supports DDR5 with 89.6 GB/s bandwidth.

Q: Which processor has a smaller process node?

A: The Ryzen Embedded 9700X uses a 4 nm process at TSMC. The Ryzen 3 3100U uses a 12 nm process at GlobalFoundries.

Head-to-Head Benchmarks

The database lists no head-to-head benchmark entries between the Ryzen 3 3100U and the Ryzen Embedded 9700X, and the 9700X has no individual benchmark scores. The comparison therefore draws on the 3100U's recorded scores and the 9700X's specification-based advantages.

The 3100U's strongest recorded result is in data compression, where it scores 38455. Its weakest is in find prime numbers, scoring 18. In single-thread performance, it scores 1592, and in multithread performance, it scores 3348. These numbers establish a baseline for a 2-core, 2-thread mobile processor.

Against its nearest rivals, the 3100U's average score of 6247 sits close to the AMD Ryzen Threadripper 1950X at 6231 (0.3% difference), the AMD EPYC 7272 at 6186 (1% difference), and the Intel Core i9-10920X at 6347 (1.6% difference). The 3100U edges out two of these three rivals in aggregate scoring, despite having far fewer cores than any of them.

The 9700X's case rests on its specifications. Its 8 cores and 16 threads, combined with a 5.50 GHz boost clock, suggest multithreaded and single-threaded performance far beyond the 3100U's measured 3348 and 1592 scores, respectively. Its 89.6 GB/s memory bandwidth versus 38.4 GB/s, and 32 MB L3 cache versus 4 MB, point to advantages in memory-bound and cache-sensitive workloads. Its 65 W TDP versus 15 W reflects the higher power envelope required for that performance.

The data shows no measured overlap between the two parts. The 3100U has a complete benchmark profile; the 9700X has none. Any head-to-head statement about the 9700X is speculative, based on architectural specifications rather than recorded results.

Specification Differences

The two processors differ across nearly every recorded specification field.

The Ryzen 3 3100U has 2 cores and 2 threads, while the Ryzen Embedded 9700X has 8 cores and 16 threads. Base clocks are 1.90 GHz for the 3100U and 3.80 GHz for the 9700X. Boost clocks are 3.20 GHz and 5.50 GHz, respectively. TDP is 15 W for the 3100U and 65 W for the 9700X.

The 3100U uses AMD Socket FP5; the 9700X uses AMD Socket AM5. The 3100U is built on a 12 nm process at GlobalFoundries with 4,940 million transistors on a 210 mm² die. The 9700X is built on a 4 nm process at TSMC with 8,315 million transistors on a 70.6 mm² die.

Cache configurations differ per core and in shared capacity. The 3100U has 96 KB L1 per core, 512 KB L2 per core, and 4 MB shared L3. The 9700X has 80 KB L1 per core, 1 MB L2 per core, and 32 MB shared L3.

Memory support differs by generation. The 3100U supports DDR4 with dual-channel memory and 38.4 GB/s bandwidth, without ECC. The 9700X supports DDR5 with dual-channel memory and 89.6 GB/s bandwidth, with ECC.

PCIe generations differ: Gen 3 for the 3100U, Gen 5 with 24 lanes (CPU only) for the 9700X. Integrated graphics are Radeon Vega 8 on the 3100U and Radeon Graphics on the 9700X. The 9700X has an unlocked multiplier; the 3100U does not. Market segments differ: Mobile for the 3100U, Desktop for the 9700X. Both are listed as Active in production status. The 3100U has a release date of 2026-05-31, while the 9700X has a release date of 2025-10-06. Neither has a recorded launch MSRP.