AMD Ryzen 9 8940HX vs AMD Ryzen Embedded 9700X Comparison

FAQ

Q: How does the AMD Ryzen 9 8940HX compare to the AMD Ryzen Embedded 9700X in core count?

A: The Ryzen 9 8940HX has 16 cores and 32 threads, while the Ryzen Embedded 9700X has 8 cores and 16 threads. This gives the mobile chip a 2x advantage in both core and thread counts.

Q: What are the boost clock speeds for each processor?

A: The Ryzen 9 8940HX boosts up to 5.30 GHz, while the Ryzen Embedded 9700X reaches 5.50 GHz. The embedded chip has a 0.20 GHz higher boost ceiling.

Q: Which processor has a higher TDP rating?

A: The Ryzen Embedded 9700X has a TDP of 65 watts, which is higher than the Ryzen 9 8940HX's 55-watt TDP. Despite having fewer cores, the embedded part is rated for more power draw.

Q: Do both processors support DDR5 memory?

A: Yes, both support DDR5 memory and use a dual-channel memory bus. However, the Ryzen Embedded 9700X has a higher memory bandwidth at 89.6 GB/s compared to 83.2 GB/s for the Ryzen 9 8940HX.

Q: What is the process node difference between the two chips?

A: The Ryzen 9 8940HX is built on TSMC's 5 nm process, while the Ryzen Embedded 9700X uses a 4 nm process. The embedded chip also has a smaller die size at 70.6 mm² versus the 8940HX's dual-die configuration of 2x 71 mm².

Q: Which processor supports ECC memory?

A: Only the AMD Ryzen Embedded 9700X supports ECC memory. The Ryzen 9 8940HX does not include ECC support, reflecting its mobile-market positioning.

Architecture Differences

The Ryzen 9 8940HX and the Ryzen Embedded 9700X come from entirely different architectural generations and market segments. The 8940HX belongs to the 8000 series and uses the Zen 4 architecture under the Dragon Range codename, targeting high-performance mobile laptops. The Embedded 9700X is part of the 9000 series, built on the Zen 5 architecture with the Granite Ridge codename, and is aimed at desktop-class embedded systems.

The process technology differs significantly. The 8940HX uses a 5 nm process from TSMC, while the Embedded 9700X moves to a 4 nm process from the same foundry. The transistor counts reflect this generational gap: the 8940HX packs 13,140 million transistors across two dies, each 71 mm², while the Embedded 9700X uses a single 70.6 mm² die with 8,315 million transistors.

Cache layouts show distinct design philosophies. The 8940HX provides 64 KB of L1 cache per core, 1 MB of L2 per core, and a large 64 MB L3 cache. The Embedded 9700X offers 80 KB of L1 per core, also 1 MB of L2 per core, but only 32 MB of shared L3 cache. The smaller L3 on the embedded chip aligns with its lower core count, while the mobile part's 64 MB L3 helps feed its 16-core design.

Memory support largely overlaps: both use DDR5 with a dual-channel bus. The key difference is bandwidth: the 8940HX delivers 83.2 GB/s, while the Embedded 9700X achieves 89.6 GB/s. ECC memory support is exclusive to the Embedded 9700X, a standard feature for embedded and reliability-focused platforms.

PCIe capabilities differ in lane count. The 8940HX provides Gen 5 with 28 CPU lanes, while the Embedded 9700X offers Gen 5 with 24 CPU lanes. Both use the same PCIe generation, but the mobile part has more available lanes for expansion.

The integrated graphics also vary. The 8940HX uses a Radeon 610M iGPU, while the Embedded 9700X carries a Radeon Graphics solution. The exact performance characteristics of these iGPUs are not recorded in the database, but the naming difference indicates different configurations.

The sockets and market segments are fundamentally different. The 8940HX uses AMD Socket FL1 and is classified as a Mobile processor. The Embedded 9700X uses AMD Socket AM5 and is classified as Desktop, despite its "Embedded" branding. Both have unlocked multipliers, allowing overclocking on compatible platforms.

The release dates show the Embedded 9700X arriving later: 2025-10-06 versus 2025-04-22 for the 8940HX. Both remain in active production status.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark results between these two processors, and the benchmark arrays for the Ryzen Embedded 9700X are empty. However, the Ryzen 9 8940HX has a substantial set of recorded scores that establish its performance profile.

The 8940HX achieves a multi-core score of 32,521 in Cinebench R23 and 5,355 in Cinebench R15 multi-core. Its single-core results are 1,917 in Cinebench R23 and 292 in Cinebench R15. These scores place it at the 95th percentile among all CPUs in the database, with an average benchmark score of 81,103.

In PassMark workloads, the 8940HX shows strong throughput: 650,984 in data compression, 39,318 in data encryption, 47,802 in extended instructions, 113,921 in floating point math, and 189,221 in integer math. Its multithread score is 49,731, and its physics score is 2,104. Random string sorting reaches 75,381, and the single-thread score is 3,874.

The nearest rivals to the 8940HX provide context for its positioning. The Intel Xeon w5-3535X scores 81,115 on average, a 0% delta. The Intel Core i9-14900KS scores 81,127, also at 0% delta. The AMD Ryzen AI Max+ PRO 395 scores 80,762, which is 0.4% behind. The Intel Xeon 638 scores 80,723, sitting 0.5% behind the 8940HX.

Because the Embedded 9700X has no recorded benchmarks, its percentile is listed at 50 with an average score of 0, which indicates no measured data. The comparison between these two chips cannot rely on direct performance numbers. The 8940HX's 95th percentile ranking and its near-identical average score to top Intel rivals demonstrate that it operates in a high-performance tier. The Embedded 9700X's lack of data means its placement in the database is provisional, and no wins are recorded for either side in the head-to-head section.

What can be stated from the existing data is that the 8940HX's 16-core, 32-thread configuration with a 64 MB L3 cache and 5.30 GHz boost clock is designed for heavy parallel workloads. The Embedded 9700X, with 8 cores, 16 threads, and 32 MB L3, targets a different workload profile, likely favoring single-threaded responsiveness and lower complexity. Its higher boost clock of 5.50 GHz and newer Zen 5 architecture suggest it would compete favorably in single-threaded tasks, but no measurements confirm this.

Specification Differences

| Specification | AMD Ryzen 9 8940HX | AMD Ryzen Embedded 9700X |

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

| Cores | 16 | 8 |

| Threads | 32 | 16 |

| Base Clock | 2.40 GHz | 3.80 GHz |

| Boost Clock | 5.30 GHz | 5.50 GHz |

| TDP | 55 W | 65 W |

| Socket | AMD Socket FL1 | AMD Socket AM5 |

| Architecture | Zen 4 | Zen 5 |

| Codename | Dragon Range | Granite Ridge |

| Generation | Ryzen 9 (Zen 4 (Dragon Range)) | Ryzen Embedded (Zen 5 (Granite Ridge)) |

| Process Node | 5 nm | 4 nm |

| Transistors | 13,140 million | 8,315 million |

| Die Size | 2x 71 mm² | 70.6 mm² |

| L1 Cache | 64 KB (per core) | 80 KB (per core) |

| L3 Cache | 64 MB | 32 MB (shared) |

| Memory Bandwidth | 83.2 GB/s | 89.6 GB/s |

| ECC Memory | No | Yes |

| PCIe Lanes | Gen 5, 28 Lanes (CPU only) | Gen 5, 24 Lanes (CPU only) |

| Integrated Graphics | Radeon 610M | Radeon Graphics |

| Market Segment | Mobile | Desktop |

| Release Date | 2025-04-22 | 2025-10-06 |

| Part Number | 100-000001849 | 100-000001404E |

Both chips share: AMD as the manufacturer, TSMC as the foundry, DDR5 memory support, dual-channel memory bus, 1 MB L2 cache per core, unlocked multipliers, and active production status. Neither has a recorded launch MSRP.

The Verdict

The data supports a clear split in intended roles. The Ryzen 9 8940HX is a high-core-count mobile processor with a 95th percentile ranking and a benchmark profile that places it alongside Intel's top desktop and workstation parts. Its 16 cores, 32 threads, and 64 MB L3 cache make it suitable for heavy multi-threaded workloads in a laptop form factor, and its 55 W TDP reflects that mobile positioning.

The Ryzen Embedded 9700X is a lower-core-count desktop-oriented part with no recorded benchmark data. Its 8 cores and 16 threads, combined with a 5.50 GHz boost clock and Zen 5 architecture, point toward a design that prioritizes per-core performance over raw throughput. The support for ECC memory and the higher 65 W TDP indicate a reliability-focused platform for embedded use cases. The 4 nm process and smaller die also suggest better power efficiency per core, though the overall TDP is higher.

For users seeking maximum multi-threaded performance in a mobile package, the 8940HX is the only choice with measured data. Its average benchmark score of 81,103 puts it at parity with the Intel Xeon w5-3535X and Core i9-14900KS, and ahead of the Ryzen AI Max+ PRO 395 by 0.4% and the Intel Xeon 638 by 0.5%. The Embedded 9700X cannot be evaluated on the same basis because no benchmark scores exist in the database.

For single-threaded workloads, the Embedded 9700X's higher base clock (3.80 GHz versus 2.40 GHz), higher boost clock (5.50 GHz versus 5.30 GHz), and newer Zen 5 architecture suggest an advantage, but this remains unverified by recorded measurements. Its smaller L3 cache and fewer cores would likely limit its multi-threaded ceiling compared to the 8940HX.

The choice depends on workload requirements. The 8940HX is the data-backed option for parallel compute in a mobile platform. The Embedded 9700X is positioned for desktop-class embedded systems where ECC memory and per-core speed matter more than core count, but its performance profile is currently undocumented in the database.