AMD Ryzen AI Max+ 388 vs Intel Core i9-14900HX Comparison

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core i9-14900HX has 24 cores and 32 threads, while the AMD Ryzen AI Max+ 388 has 8 cores and 16 threads.

Q: Which chip has the higher boost clock?

A: The Intel Core i9-14900HX boosts up to 5.80 GHz, while the AMD Ryzen AI Max+ 388 boosts up to 5.00 GHz.

Q: What is the memory configuration difference?

A: AMD uses LPDDR5X with a quad-channel bus and 256.0 GB/s bandwidth. Intel supports DDR4 and DDR5 with a dual-channel bus; its memory bandwidth is not recorded in the database.

Q: Which processor supports PCIe Gen 5?

A: The Intel Core i9-14900HX supports PCIe Gen 5 with 16 lanes (CPU only). The AMD chip uses PCIe Gen 4 with 16 lanes (CPU only).

Q: How do their overall average benchmark scores compare?

A: Intel averages 56004 versus AMD's 49796. Intel sits at the 91st percentile of all CPUs; AMD sits at the 90th percentile.

Q: Which chip wins the most head-to-head tests?

A: Intel wins 12 of the 15 recorded comparisons. AMD wins 3: extended instructions, and both single-thread PassMark entries.

Where Each One Wins

The Intel Core i9-14900HX dominates in heavily threaded and math-heavy workloads. Its multicore Cinebench R23 score of 30055 is 37.6% ahead of AMD's 18759. In PassMark integer math, Intel scores 157375 versus 109588, a 30.4% advantage. Floating point math shows a similar gap: 112273 versus 72722, which is 35.2% ahead. Data compression (539965 versus 400887, 25.8% ahead) and data encryption (32619 versus 20092, 38.4% ahead) also favor Intel strongly. The PassMark multithread score of 43778 beats AMD's 33486 by 23.5%. Physics simulation follows the same pattern: 2638 versus 1843, a 30.1% lead. Random string sorting goes to Intel at 60861 versus 43196, a 29.0% gap. Prime number finding favors Intel at 193 versus 145, 24.9% ahead.

The AMD Ryzen AI Max+ 388 wins in narrow but interesting places. PassMark extended instructions score 32719 versus 31247, a 4.7% lead. In PassMark single-thread tests, AMD scores 4185 versus 4175, a marginal 0.2% advantage. That is the only single-core win in the data. It also wins the Cinebench R15 single-core test by a similar tiny margin (298 versus 310.5 shows Intel actually wins that one, so the single-thread PassMark wins are the only true single-core victories). For practical use, AMD's wins are in instruction-set efficiency and a slight edge in certain single-threaded PassMark workloads.

The use-case split is clear: Intel for multi-threaded production, rendering, compression, and any workload that scales with core count. AMD for workloads that rely on extended instruction efficiency or where the quad-channel LPDDR5X memory bandwidth (256.0 GB/s) matters, such as integrated-GPU compute or memory-bandwidth-sensitive tasks. The data shows Intel's 24 cores overwhelm AMD's 8 in most throughput tasks.

Architecture Differences

The two chips come from fundamentally different designs. AMD uses Zen 5 architecture on Strix Halo, built on a 4 nm process at TSMC. Intel uses Raptor Lake architecture on Raptor Lake-HX Refresh, built on a 10 nm process at Intel. The die sizes differ sharply: AMD measures 2x 70.6 mm², while Intel is a single 257 mm² die. Process node advantage goes to AMD, which explains how it achieves competitive performance with far fewer cores.

Cache structures diverge. Both use 80 KB L1 per core. AMD uses 1 MB L2 per core; Intel uses 2 MB per core. L3 cache: AMD has 32 MB shared, Intel has 36 MB shared. Intel has a larger total cache pool per core, which helps its high-core-count design. AMD's smaller L3 is shared across only 8 cores, giving each core more effective L3 per core (4 MB per core versus Intel's 1.5 MB per core).

Memory architecture differs significantly. AMD supports only LPDDR5X, with a quad-channel bus and a recorded 256.0 GB/s bandwidth. Intel supports DDR4 and DDR5, with a dual-channel bus and no bandwidth figure listed. The quad-channel design gives AMD a memory bandwidth advantage, a key feature for integrated graphics and data-heavy tasks.

PCIe support differs by generation. AMD uses Gen 4 with 16 CPU lanes. Intel uses Gen 5 with 16 CPU lanes. Intel's PCIe Gen 5 provides higher interconnect bandwidth for external devices, though the CPU-only lane count is identical.

Integrated graphics differ. AMD pairs with Radeon 8060S; Intel uses UHD Graphics 770. The database does not provide graphics benchmark scores, so no performance comparison is possible from the data.

Specification Differences

| Specification | AMD Ryzen AI Max+ 388 | Intel Core i9-14900HX |

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

| Cores | 8 | 24 |

| Threads | 16 | 32 |

| Base clock | 3.60 GHz | 2.20 GHz |

| Boost clock | 5.00 GHz | 5.80 GHz |

| Process node | 4 nm | 10 nm |

| Foundry | TSMC | Intel |

| Die size | 2x 70.6 mm² | 257 mm² |

| L2 cache | 1 MB per core | 2 MB per core |

| L3 cache | 32 MB shared | 36 MB shared |

| Memory support | LPDDR5X | DDR4, DDR5 |

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

| Memory bandwidth | 256.0 GB/s | Not recorded |

| PCIe | Gen 4, 16 lanes (CPU) | Gen 5, 16 lanes (CPU) |

| Integrated graphics | Radeon 8060S | UHD Graphics 770 |

| Multiplier unlocked | No | Yes |

| Socket | AMD Socket FP11 | Intel BGA 1964 |

| Release date | 2026-01-05 | 2024-01-07 |

Both chips share a 55 W TDP and ECC memory support. AMD's base clock is higher (3.60 versus 2.20 GHz), but Intel's boost is higher (5.80 versus 5.00 GHz). Intel has an unlocked multiplier; AMD does not. AMD's process node advantage is clear at 4 nm versus 10 nm. The release dates differ by two years, with AMD launching later.

Head-to-Head Benchmarks

The biggest Intel win is in Cinebench R23 multicore. Intel scores 30055 versus AMD's 18759, a 37.6% margin. In Cinebench R15 multicore, Intel scores 4574 versus 2872, a 37.2% lead. These are the two largest deltas in the entire comparison. The data shows Intel's core-count advantage translates directly into rendering throughput.

Data encryption shows Intel ahead by 38.4% (32619 versus 20092), the single largest percentage gap. Floating point math follows: 112273 versus 72722, 35.2% behind for AMD. Integer math is 30.4% in Intel's favor (157375 versus 109588). Physics simulation shows Intel at 2638 versus 1843, a 30.1% gap. Random string sorting goes 60861 versus 43196, 29.0% ahead for Intel. Data compression: 539965 versus 400887, 25.8% ahead. PassMark multithread: 43778 versus 33486, 23.5% ahead. Prime number finding: 193 versus 145, 24.9% ahead.

Cinebench R23 single-core goes to Intel at 2181.5 versus 1960, a 10.2% lead. Cinebench R15 single-core goes to Intel at 310.5 versus 298, a 4.0% lead. These single-core wins are modest compared to the multicore gaps.

AMD's wins are narrow. PassMark extended instructions: 32719 versus 31247, a 4.7% advantage. PassMark single-thread: 4185 versus 4175, a 0.2% edge. The same single-thread result appears twice in the data (as both passmark_single_thread and passmark_singlethread), so it counts as one distinct test. AMD wins only one unique workload category with a meaningful margin: extended instructions.

The overall win count is 12 for Intel and 3 for AMD. Intel's average benchmark score of 56004 sits 12.1% above AMD's 49796. Intel's percentile rank is 91st versus AMD's 90th, a narrow gap in overall standing despite the large multicore differences.

The Verdict

The data points to a clear choice for most workloads: the Intel Core i9-14900HX. It wins 12 of 15 head-to-head tests, with particularly large margins in multicore rendering (37.6% in Cinebench R23), encryption (38.4%), and floating point math (35.2%). For video encoding, 3D rendering, data compression, or any task that uses many threads, Intel's 24 cores and 32 threads deliver substantially higher throughput than AMD's 8 cores and 16 threads. The 91st percentile ranking versus 90th also favors Intel in the broader CPU landscape.

The AMD Ryzen AI Max+ 388 wins in extended instructions (4.7% ahead) and edges out Intel in PassMark single-thread (0.2% ahead). These are narrow margins. AMD's quad-channel LPDDR5X memory with 256.0 GB/s bandwidth is a structural advantage, but the database provides no benchmark results that isolate memory bandwidth effects. The integrated Radeon 8060S versus Intel's UHD Graphics 770 might matter for iGPU-only systems, but no graphics scores exist in the data.

For a laptop buyer, the choice depends on workload. Heavy multithreaded production goes to Intel without hesitation. The AMD chip's smaller core count but higher base clock (3.60 GHz) and 4 nm process suggest better efficiency per core, but the database does not record power draw or efficiency metrics. The unlocked multiplier on Intel (versus locked on AMD) adds flexibility for overclocking in systems that allow it.

The release dates matter: Intel launched in January 2024, AMD in January 2026. AMD's later launch brings a newer process node (4 nm versus 10 nm) and a more modern architecture (Zen 5 versus Raptor Lake). Yet the benchmark data shows Intel still leads in most raw performance tests despite being two years older. That speaks to the strength of Intel's high-core-count design in this mobile HX segment.

The verdict from the recorded measurements: pick Intel for maximum multi-threaded performance and raw compute. Pick AMD if the workload specifically benefits from extended instruction efficiency or if the quad-channel memory subsystem is a deciding factor. For general-purpose laptop use, the Intel Core i9-14900HX is the stronger processor according to the data.