AMD Ryzen 7 8840HX vs AMD Ryzen AI 9 PRO 465 Comparison

FAQ

Q: Which processor has more cores and threads?

A: The AMD Ryzen 7 8840HX has 12 cores and 24 threads, while the AMD Ryzen AI 9 PRO 465 has 10 cores and 20 threads.

Q: What is the difference in process node technology?

A: The Ryzen 7 8840HX uses a 5 nm process node, while the Ryzen AI 9 PRO 465 uses a 4 nm process node. Both are fabricated by TSMC.

Q: Which chip has the higher boost clock?

A: The Ryzen 7 8840HX boosts to 5.10 GHz, while the Ryzen AI 9 PRO 465 boosts to 5.00 GHz. The 8840HX also has a higher base clock at 2.90 GHz versus 2.00 GHz.

Q: How do the average benchmark scores compare?

A: The Ryzen 7 8840HX records an average benchmark score of 71797, which places it in the 94th percentile of all CPUs. The Ryzen AI 9 PRO 465 records 62498, placing it in the 93rd percentile.

Q: Which chip wins in single-thread performance?

A: The Ryzen AI 9 PRO 465 wins the single-thread benchmark with a score of 4168, which is 5% higher than the 3958 scored by the Ryzen 7 8840HX.

Q: What are the TDP differences between the two?

A: The Ryzen 7 8840HX has a 55 W TDP, while the Ryzen AI 9 PRO 465 has a 28 W TDP. The 8840HX also has an unlocked multiplier, whereas the AI 9 PRO 465 does not.

Architecture Differences

The two processors represent different architectural generations from AMD. The Ryzen 7 8840HX is built on Zen 4 architecture with the Dragon Range codename, while the Ryzen AI 9 PRO 465 uses Zen 5 architecture with the Gorgon Point codename. This generational shift is reflected in the process node: the 8840HX uses a 5 nm node, and the AI 9 PRO 465 uses a 4 nm node, both from TSMC.

The cache layouts differ substantially. The Ryzen 7 8840HX provides 64 KB of L1 cache per core, 1 MB of L2 cache per core, and a shared 64 MB L3 cache. The Ryzen AI 9 PRO 465 offers a larger 80 KB L1 cache per core, the same 1 MB L2 per core, but only 16 MB of shared L3 cache. The transistor counts also differ: the 8840HX packs 13,140 million transistors across a dual-die design of 2x 71 mm², while the AI 9 PRO 465 uses a single 233 mm² die with no transistor count recorded in the database.

Memory support shows another split. The 8840HX supports DDR5 only, while the AI 9 PRO 465 supports both DDR5 and LPDDR5X. Both use dual-channel memory buses, but the AI 9 PRO 465 has a higher memory bandwidth at 89.6 GB/s compared to 83.2 GB/s for the 8840HX. Neither chip supports ECC memory.

PCIe connectivity differs by generation and lane count. The Ryzen 7 8840HX uses Gen 5 with 28 CPU lanes, while the Ryzen AI 9 PRO 465 uses Gen 4 with 16 CPU lanes. The integrated graphics also differ: the 8840HX carries a Radeon 610M, while the AI 9 PRO 465 carries a Radeon 890M.

Other architectural distinctions include socket type (AMD Socket FL1 for the 8840HX, AMD Socket FP8 for the AI 9 PRO 465), multiplier unlocking (the 8840HX is unlocked, the AI 9 PRO 465 is not), and release timing (the 8840HX released on 2025-04-22, the AI 9 PRO 465 on 2026-01-04). The AI 9 PRO 465 is described as using a hybrid structure of Zen 5 and Zen 5c cores, per its generation label, while the 8840HX is uniformly Zen 4.

The Verdict

The recorded data points to a clear performance hierarchy, but the choice depends on workload priorities. The Ryzen 7 8840HX wins 9 of the 11 head-to-head benchmark comparisons, with decisive margins in every multi-threaded test. Its 12-core, 24-thread configuration with a 64 MB L3 cache delivers substantially higher throughput in compression, encryption, math, and physics workloads. The 8840HX also holds a 94th percentile ranking against all CPUs, one point above the 93rd percentile of the AI 9 PRO 465.

The Ryzen AI 9 PRO 465 takes the single-thread crown by 5%, scoring 4168 versus 3958. That advantage, combined with a 28 W TDP (roughly half the 55 W TDP of the 8840HX), a smaller 16 MB L3 cache, and support for LPDDR5X memory, suggests it is built for efficiency-focused mobile designs. The 8840HX, with its higher TDP, unlocked multiplier, and Gen 5 PCIe, targets performance-oriented laptops where power draw is less constrained.

Buyers seeking maximum multi-core performance should pick the Ryzen 7 8840HX. Buyers prioritizing single-thread speed and lower power consumption should pick the Ryzen AI 9 PRO 465. The data does not suggest a single universal winner; it suggests two different design intents.

Specification Differences

| Specification | AMD Ryzen 7 8840HX | AMD Ryzen AI 9 PRO 465 |

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

| Cores | 12 | 10 |

| Threads | 24 | 20 |

| Base Clock | 2.90 GHz | 2.00 GHz |

| Boost Clock | 5.10 GHz | 5.00 GHz |

| TDP | 55 W | 28 W |

| Socket | AMD Socket FL1 | AMD Socket FP8 |

| Architecture | Zen 4 | Zen 5 |

| Codename | Dragon Range | Gorgon Point |

| Process Node | 5 nm | 4 nm |

| Transistors | 13,140 million | Not recorded |

| Die Size | 2x 71 mm² | 233 mm² |

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

| L3 Cache | 64 MB (shared) | 16 MB |

| Memory Support | DDR5 | DDR5, LPDDR5X |

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

| PCIe | Gen 5, 28 Lanes (CPU only) | Gen 4, 16 Lanes (CPU only) |

| Integrated Graphics | Radeon 610M | Radeon 890M |

| Multiplier Unlocked | Yes | No |

| Part Number | 100-000001850 | 100-000001862 |

| Release Date | 2025-04-22 | 2026-01-04 |

Head-to-Head Benchmarks

The Ryzen 7 8840HX dominates the multi-threaded benchmarks. In data compression, it scores 496427 versus 385174, a 28.9% advantage. Data encryption shows a 55% gap, with 29919 versus 19308. Extended instructions favor the 8840HX by 38.1% (36527 versus 26441). Prime number finding delivers the largest proportional win: 304 versus 126, a 141.3% lead. Floating point math goes 86747 to 66824, a 29.8% margin. Integer math shows 146506 versus 107173, a 36.7% gap. The multithread benchmark records 41732 versus 31485, a 32.5% win. Physics scores 2185 versus 1747, a 25.1% advantage. Random string sorting completes the sweep with 57971 versus 40860, a 41.9% margin.

The Ryzen AI 9 PRO 465 wins the two single-thread tests. Both passmark_single_thread and passmark_singlethread show identical scores of 4168 versus 3958, a 5% edge for the AI 9 PRO 465. These are the only two benchmarks where the 8840HX does not take the win.

The average benchmark scores reinforce the pattern. The 8840HX averages 71797, while the AI 9 PRO 465 averages 62498. Looking at nearest rivals, the 8840HX sits within 0.8% of the Intel Core Ultra 7 265KF (71910, -0.2%), the Intel Xeon Platinum 8270 (71370, 0.6%), the Intel Xeon 6517P (72350, -0.8%), and the Intel Xeon 6724P (72396, -0.8%). The AI 9 PRO 465 sits within 1.1% of the Intel Core Ultra 7 255HX (62738, -0.4%), the AMD Ryzen AI Embedded P185 (62839, -0.5%), the Intel Core i7-13790F (63080, -0.9%), and the Intel Core i9-13900KF (61841, 1.1%).

Where Each One Wins

The Ryzen 7 8840HX wins in every throughput-oriented category. Data compression, encryption, extended instruction workloads, prime number finding, floating point math, integer math, multithread performance, physics simulation, and random string sorting all favor the 8840HX by margins ranging from 25.1% to 141.3%. This chip is the clear choice for heavy parallel workloads, content creation, scientific computation, and any task that can use 12 cores and 24 threads. Its 64 MB L3 cache and Gen 5 PCIe connectivity further support large working sets and fast peripheral communication.

The Ryzen AI 9 PRO 465 wins in single-thread performance, taking a 5% lead in both recorded single-thread tests. It also offers a lower 28 W TDP, a smaller die at 233 mm² versus the dual-die 2x 71 mm² of the 8840HX, and support for LPDDR5X memory alongside DDR5. Its Radeon 890M integrated graphics outclass the Radeon 610M of the 8840HX. The 465 also has a higher memory bandwidth at 89.6 GB/s versus 83.2 GB/s. These attributes position it for thin-and-light laptops where efficiency, memory flexibility, and integrated graphics matter more than raw multi-core throughput. The 8840HX counters with an unlocked multiplier, which the 465 lacks, making the 8840HX the more tunable part for enthusiasts.

The split is clean: the 8840HX wins where core count and cache size matter, and the AI 9 PRO 465 wins where single-thread speed, power efficiency, and modern memory options matter. The benchmark data does not indicate a single superior product; it indicates two specialized designs with different strengths.