AMD Ryzen 7 8840HX vs AMD Ryzen AI 5 430 Comparison

Head-to-Head Benchmarks

The recorded data shows a decisive performance gap between the AMD Ryzen 7 8840HX and the AMD Ryzen AI 5 430. Across all 13 head-to-head metrics, the Ryzen 7 8840HX takes the win. The largest margin appears in PassMark find prime numbers, where the 8840HX scores 304 against 44 for the Ryzen AI 5 430, a 590.9% lead. This result indicates a massive advantage in integer-heavy prime calculation workloads.

In Cinebench R23 multi-core, the 8840HX delivers 25,265 points versus 8,130 for the Ryzen AI 5 430. That represents a 210.8% advantage, reflecting the 12-core, 24-thread configuration of the Dragon Range part versus the 4-core, 8-thread Gorgon Point chip. Single-core performance in the same test is much closer: 1,857 against 1,797, a 3.3% edge for the 8840HX. The Ryzen AI 5 430's Zen 5 cores narrow the gap in lightly threaded work despite the older Zen 4 architecture of the 8840HX.

PassMark data encryption shows one of the largest deltas at 294.1%, with the 8840HX scoring 29,919 against 7,591. Integer math follows closely at 269.6% (146,506 versus 39,637). Floating point math results in a 219% difference (86,747 versus 27,193). Random string sorting shows a 248.7% gap (57,971 versus 16,623). Data compression shows a 212.4% lead (496,427 versus 158,912). Extended instructions indicate a 218.9% difference (36,527 versus 11,455).

The smallest single-thread margin in the PassMark suite is 7.5%, with scores of 3,958 versus 3,683. PassMark physics shows a 201% gap (2,185 versus 726), and PassMark multi-thread shows 213.3% (41,732 versus 13,320). The Ryzen 7 8840HX also holds a 94th percentile rank among all CPUs in the database, while the Ryzen AI 5 430 sits at the 73rd percentile. Average benchmark scores reinforce the separation: 71,797 for the 8840HX versus 19,617 for the Ryzen AI 5 430.

The nearest rivals for each part help contextualize these scores. The 8840HX averages 71,797, nearly identical to the Intel Core Ultra 7 265KF at 71,910 (0.2% lower) and the Intel Xeon Platinum 8270 at 71,370 (0.6% higher). The Ryzen AI 5 430 averages 19,617, essentially matching the AMD Ryzen 5 5500 at 19,593 (0.1% higher) and the Intel Core i5-12500 at 19,668 (0.3% lower). In other words, the 8840HX competes in desktop-class multi-core territory, while the Ryzen AI 5 430 lands near older mid-range desktop parts.

Architecture Differences

The two processors come from different AMD generations and process nodes. The Ryzen 7 8840HX uses Zen 4 architecture with the Dragon Range codename and belongs to the 8000 series. It is built on TSMC's 5 nm process with 13,140 million transistors and a die size of 2x 71 mm². The Ryzen AI 5 430 uses the Gorgon Point codename, belongs to the Ryzen AI 400 series with Zen 5 / Zen 5c cores, and is built on TSMC's 4 nm node. Transistor count and die size are not recorded for the Ryzen AI 5 430.

Core and cache configurations differ substantially. The 8840HX provides 12 cores and 24 threads, with 64 KB of L1 per core, 1 MB of L2 per core, and 64 MB of shared L3 cache. The Ryzen AI 5 430 provides 4 cores and 8 threads, with 80 KB of L1 per core, 1 MB of L2 per core, and only 4 MB of L3 cache. The larger L3 allocation on the 8840HX is a major factor in its multi-threaded and data-heavy workload performance.

Clock speeds also differ. The 8840HX has a base clock of 2.90 GHz and a boost clock of 5.10 GHz. The Ryzen AI 5 430 has a base clock of 2.00 GHz and a boost clock of 4.50 GHz. The 8840HX runs at a 55 W TDP, while the Ryzen AI 5 430 is rated at 28 W. The sockets differ as well: the 8840HX uses AMD Socket FL1, and the Ryzen AI 5 430 uses AMD Socket FP8.

Memory support shows some differences. Both support DDR5 and dual-channel memory buses. The Ryzen AI 5 430 additionally supports LPDDR5X and has ECC memory enabled by default, while the 8840HX does not list ECC support. Memory bandwidth slightly favors the Ryzen AI 5 430 at 89.6 GB/s versus 83.2 GB/s for the 8840HX. PCIe connectivity differs: the 8840HX offers Gen 5 with 28 lanes (CPU only), while the Ryzen AI 5 430 offers Gen 4 with 14 lanes (CPU only). Integrated graphics differ as well, with the 8840HX using Radeon 610M and the Ryzen AI 5 430 using Radeon 840M.

Production status for both is active. The 8840HX was released on April 22, 2025, while the Ryzen AI 5 430 has a release date of January 4, 2026. The multiplier is unlocked on the 8840HX but locked on the Ryzen AI 5 430. Part numbers are 100-000001850 and 100-000001787, respectively.

FAQ

Q: Which processor has better multi-core performance?

A: The AMD Ryzen 7 8840HX. In Cinebench R23 multi-core, it scores 25,265 versus 8,130 for the Ryzen AI 5 430, a 210.8% advantage. PassMark multi-thread shows a similar gap at 213.3% (41,732 versus 13,320).

Q: How close is single-core performance?

A: The 8840HX leads in Cinebench R23 single-core by 3.3% (1,857 versus 1,797) and in PassMark single-thread by 7.5% (3,958 versus 3,683). The Ryzen AI 5 430's Zen 5 cores keep the gap small.

Q: What is the core and thread count difference?

A: The 8840HX has 12 cores and 24 threads. The Ryzen AI 5 430 has 4 cores and 8 threads.

Q: Which processor uses a newer process node?

A: The Ryzen AI 5 430 uses TSMC's 4 nm node. The 8840HX uses TSMC's 5 nm node.

Q: Do both processors support the same memory types?

A: No. Both support DDR5, but the Ryzen AI 5 430 also supports LPDDR5X and has ECC memory enabled. The 8840HX does not list ECC support.

Q: What are the TDP ratings?

A: The 8840HX is rated at 55 W. The Ryzen AI 5 430 is rated at 28 W.

Specification Differences

| Specification | AMD Ryzen 7 8840HX | AMD Ryzen AI 5 430 |

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

| Cores | 12 | 4 |

| Threads | 24 | 8 |

| Base clock | 2.90 GHz | 2.00 GHz |

| Boost clock | 5.10 GHz | 4.50 GHz |

| TDP | 55 W | 28 W |

| Socket | AMD Socket FL1 | AMD Socket FP8 |

| Architecture | Zen 4 | Zen 5 / Zen 5c |

| Codename | Dragon Range | Gorgon Point |

| Generation | Ryzen 7 (Zen 4, Dragon Range) | Ryzen AI 400 (Zen 5 / Zen 5c) |

| Process node | 5 nm | 4 nm |

| Foundry | TSMC | TSMC |

| Transistors | 13,140 million | Not recorded |

| Die size | 2x 71 mm² | Not recorded |

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

| L2 cache | 1 MB (per core) | 1 MB (per core) |

| L3 cache | 64 MB (shared) | 4 MB |

| Memory support | DDR5 | DDR5, LPDDR5X |

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

| Memory bandwidth | 83.2 GB/s | 89.6 GB/s |

| ECC memory | No | Yes |

| PCIe | Gen 5, 28 lanes (CPU only) | Gen 4, 14 lanes (CPU only) |

| Integrated graphics | Radeon 610M | Radeon 840M |

| Multiplier unlocked | Yes | No |

| Release date | April 22, 2025 | January 4, 2026 |

| Part number | 100-000001850 | 100-000001787 |

Where Each One Wins

The AMD Ryzen 7 8840HX wins every recorded benchmark. Its largest advantages appear in prime number finding (590.9%), data encryption (294.1%), integer math (269.6%), and random string sorting (248.7%). These results indicate a clear fit for compute-heavy workloads such as encryption, compression, scientific calculations, and multi-threaded rendering. The 64 MB L3 cache and 12-core configuration make it suitable for tasks that scale with parallel throughput.

The AMD Ryzen AI 5 430 does not win any recorded benchmark, but its closest margins appear in Cinebench R23 single-core (3.3% behind) and PassMark single-thread (7.5% behind). Its 4 nm node, Zen 5 / Zen 5c cores, 80 KB L1 per core, and higher memory bandwidth (89.6 GB/s versus 83.2 GB/s) point to efficiency-oriented design. The 28 W TDP, ECC memory support, and LPDDR5X compatibility suggest deployment in power-constrained mobile systems where battery life and memory flexibility matter more than raw throughput.

The Ryzen AI 5 430's average benchmark score of 19,617 places it alongside the AMD Ryzen 5 5500 (19,593, 0.1% higher) and Intel Core i5-12500 (19,668, 0.3% lower). The 8840HX's average of 71,797 places it near the Intel Core Ultra 7 265KF (71,910, 0.2% lower) and Intel Xeon Platinum 8270 (71,370, 0.6% higher). This positions the 8840HX in a much higher performance tier overall.

The Verdict

The data indicates that the AMD Ryzen 7 8840HX is the stronger processor in every measured category. Its 210.8% lead in Cinebench R23 multi-core, 212.4% lead in data compression, and 294.1% lead in data encryption make it the appropriate choice for workloads that demand high parallel compute capacity. The 94th percentile ranking and an average benchmark score of 71,797 confirm its standing among high-end mobile CPUs.

The AMD Ryzen AI 5 430, with a 73rd percentile ranking and an average score of 19,617, is better understood as an efficiency-focused part. Its 28 W TDP, 4 nm process, ECC memory support, and LPDDR5X compatibility align with mobile designs prioritizing low power consumption. The single-core gap of 3.3% in Cinebench R23 shows that its Zen 5 cores remain competitive in lightly threaded tasks, even if the overall multi-core deficit is large.

Users selecting between these two should base the decision on the workload profile. For multi-threaded productivity, content creation, and compute-heavy applications, the Ryzen 7 8840HX delivers consistently higher scores across the board. For power-sensitive mobile platforms where efficiency and memory flexibility take priority, the Ryzen AI 5 430 offers a more modest but still active performance profile. The recorded data does not show any scenario where the Ryzen AI 5 430 outperforms the 8840HX.