AMD Ryzen AI Max+ 388 vs Intel Core Ultra 7 366H Comparison

FAQ

Q: How do the two processors compare in overall benchmark scores?

A: The AMD Ryzen AI Max+ 388 records an average benchmark score of 49796, placing it in the 90th percentile of all CPUs. The Intel Core Ultra 7 366H averages 41263, placing it in the 87th percentile. The AMD chip sits 0.8% ahead of the Intel Core i5-14600KF in average score, while the Intel chip is 0.1% ahead of the AMD Ryzen AI 5 PRO 440.

Q: Which processor wins more head-to-head benchmark comparisons?

A: The AMD Ryzen AI Max+ 388 takes 8 wins out of 15 direct comparisons, while the Intel Core Ultra 7 366H takes 7 wins. The AMD chip wins in passmark_multithread by a narrow 0.2% margin, and the Intel chip wins in cinebench_r23_multicore by a substantial 34.1% margin.

Q: What is the single-core performance difference?

A: The Intel processor wins in cinebench_r23_singlecore with a score of 4020 versus 1960 for AMD, a 51.2% advantage. However, in passmark_single_thread, the AMD chip scores 4185 versus 4043 for Intel, a 3.5% lead for AMD. The two single-thread benchmarks tell different stories.

Q: How do the memory systems differ?

A: The AMD processor supports LPDDR5X memory across a quad-channel bus with 256.0 GB/s bandwidth. The Intel processor supports both DDR5 and LPDDR5X across a dual-channel bus with 115.2 GB/s bandwidth. AMD also supports ECC memory while Intel does not.

Q: Which processor has more cores?

A: The Intel Core Ultra 7 366H has 16 cores and 16 threads. The AMD Ryzen AI Max+ 388 has 8 cores and 16 threads. Despite having half the cores, the AMD chip has the same thread count.

Q: What are the production nodes for each?

A: The AMD Ryzen AI Max+ 388 uses a 4 nm process at TSMC. The Intel Core Ultra 7 366H uses a 3 nm process at Intel's own foundry. Both processors are currently marked as Active in production status.

Architecture Differences

The AMD Ryzen AI Max+ 388 and Intel Core Ultra 7 366H represent fundamentally different design philosophies. AMD builds on the Zen 5 architecture under the Strix Halo codename, while Intel uses the Panther Lake architecture with the Panther Lake-H generation label. The AMD chip belongs to the Ryzen AI Max generation, and the Intel chip belongs to the Core Ultra Series 3.

Core counts diverge sharply. The AMD processor packs 8 cores with 16 threads, relying on simultaneous multithreading to double its thread capacity. The Intel processor uses 16 physical cores with 16 threads, meaning no multithreading overhead but a larger physical core array. This core count difference drives several benchmark outcomes, particularly in multi-threaded workloads where the Intel chip's additional physical cores can be fully utilized.

Cache hierarchies also differ. The AMD chip provides 80 KB of L1 cache per core, 1 MB of L2 per core, and 32 MB of shared L3 cache. The Intel chip provides 192 KB of L1 per core, 2.5 MB of L2 per core, and 18 MB of shared L3. Intel allocates more private cache per core, while AMD pools a larger L3 across its 8 cores.

Memory architecture creates another divide. The AMD processor uses a quad-channel LPDDR5X interface with 256.0 GB/s bandwidth, a figure that doubles the Intel chip's 115.2 GB/s from its dual-channel DDR5/LPDDR5X setup. The AMD chip also supports ECC memory, a feature absent from the Intel part. PCIe connectivity differs as well: AMD offers Gen 4 with 16 lanes, while Intel offers Gen 5 with 12 lanes.

Process nodes separate the two as well. AMD uses TSMC's 4 nm process, while Intel uses its own 3 nm process. The AMD die is listed as 2x 70.6 mm², while Intel's die size is not recorded in the database. Clock speeds show AMD leading on boost at 5.00 GHz versus 4.80 GHz for Intel, but Intel starts from a lower 2.00 GHz base clock versus 3.60 GHz for AMD.

Integrated graphics present a notable split. The AMD chip carries Radeon 8060S graphics, while the Intel chip carries Intel Xe3 Graphics. The database records no direct graphics benchmarks for either, so the comparison remains at the specification level.

Head-to-Head Benchmarks

The 15 head-to-head comparisons reveal a balanced but split performance profile. The AMD Ryzen AI Max+ 388 wins 8 and the Intel Core Ultra 7 366H wins 7, but the margin distribution is uneven.

Intel asserts dominance in the Cinebench suite. In cinebench_r23_multicore, the Intel chip scores 28477 versus 18759 for AMD, a 34.1% lead. The cinebench_r15_multicore result is nearly identical: 2870 versus 2872, a 0.1% AMD win. This contrast is striking. The older R15 test shows parity, while the newer R23 test heavily favors Intel. Single-core Cinebench results also favor Intel heavily. In cinebench_r23_singlecore, Intel scores 4020 versus 1960 for AMD, a 51.2% gap. The r15 single-core test shows Intel at 405 versus 298, a 26.4% advantage. These Cinebench numbers indicate that Intel's architecture delivers substantially higher per-core performance in this rendering workload.

AMD fights back in PassMark integer and data tasks. The passmark_integer_math test shows AMD at 109588 versus 83695 for Intel, a 30.9% lead. Passmark_data_compression gives AMD 400887 versus 327455, a 22.4% advantage. Passmark_extended_instructions shows AMD at 32719 versus 26901, a 21.6% lead. Passmark_random_string_sorting gives AMD 43196 versus 39814, an 8.5% win. In passmark_multithread, AMD edges Intel 33486 versus 33429, a 0.2% margin.

Intel claims other PassMark workloads. Passmark_find_prime_numbers shows Intel at 326 versus 145 for AMD, a 55.5% lead. Passmark_floating_point_math gives Intel 103615 versus 72722, a 29.8% advantage. Passmark_physics shows Intel at 2880 versus 1843, a 36% lead. Passmark_data_encryption gives Intel 25845 versus 20092, a 22.3% win.

Single-thread PassMark results favor AMD narrowly. Passmark_single_thread and passmark_singlethread both record 4185 for AMD versus 4043 for Intel, a 3.5% lead for AMD. This result complicates the Cinebench single-core picture: in one benchmark Intel leads by over half, in another AMD leads by a small margin.

Specification Differences

| Field | AMD Ryzen AI Max+ 388 | Intel Core Ultra 7 366H |

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

| Architecture | Zen 5 | Panther Lake |

| Cores | 8 | 16 |

| Threads | 16 | 16 |

| Base Clock | 3.60 GHz | 2.00 GHz |

| Boost Clock | 5.00 GHz | 4.80 GHz |

| TDP | 55 W | 25 W |

| Process Node | 4 nm (TSMC) | 3 nm (Intel) |

| L1 Cache | 80 KB per core | 192 KB per core |

| L2 Cache | 1 MB per core | 2.5 MB per core |

| L3 Cache | 32 MB shared | 18 MB shared |

| Memory Support | LPDDR5X | DDR5, LPDDR5X |

| Memory Bus | Quad-channel | Dual-channel |

| Memory Bandwidth | 256.0 GB/s | 115.2 GB/s |

| ECC Memory | Yes | No |

| PCIe | Gen 4, 16 Lanes | Gen 5, 12 Lanes |

| Integrated Graphics | Radeon 8060S | Intel Xe3 Graphics |

| Socket | AMD Socket FP11 | Intel BGA 2540 |

| Release Date | 2026-01-05 | 2026-01-04 |

The TDP difference is substantial: AMD lists 55 W versus 25 W for Intel. The AMD chip also carries a higher 3.60 GHz base clock versus 2.00 GHz for Intel, while boost clocks sit closer at 5.00 GHz versus 4.80 GHz. The Intel chip's higher core count and larger per-core caches contrast with AMD's larger shared L3 and wider memory interface.

The Verdict

The recorded data points to two different usage profiles. The AMD Ryzen AI Max+ 388 shows strengths in integer-heavy workloads, data compression, and extended instruction processing. Its 30.9% lead in passmark_integer_math and 22.4% lead in data compression indicate strong raw computational throughput for these task types. The 3.5% single-thread PassMark win adds credibility to its per-core efficiency at lower core counts.

The Intel Core Ultra 7 366H demonstrates clear advantages in rendering-oriented multi-core workloads. Its 34.1% lead in cinebench_r23_multicore and 51.2% lead in cinebench_r23_singlecore show that the Panther Lake architecture excels in this benchmark family. The 55.5% lead in prime number finding and 36% lead in physics simulations reinforce a pattern of strength in floating-point and algorithmic workloads.

The average benchmark scores give AMD the overall edge at 49796 versus 41263, a 20.6% difference. However, the Intel chip's 87th percentile versus AMD's 90th percentile shows both sit in the upper tier of recorded CPUs. The AMD chip's nearest rival is the Intel Core 9 273PE at a 0.1% deficit, while the Intel chip's closest competitor is the Intel Core Ultra 7 356H at a 0.1% lead.

Users processing data compression, integer math, or extended instruction sets will find the AMD chip ahead by margins from 8.5% to 30.9%. Users running Cinebench-style rendering, floating-point calculations, or prime number searches will find Intel ahead by margins from 22.3% to 55.5%. The AMD chip's 55 W TDP versus 25 W for Intel suggests different power envelopes, though the database records no power consumption measurements.

Where Each One Wins

The AMD Ryzen AI Max+ 388 wins in data compression, extended instructions, integer math, multithread performance, random string sorting, and single-thread PassMark. Its 30.9% integer math lead represents the largest AMD victory. The 22.4% data compression advantage indicates strong throughput for compressed file handling. The 21.6% extended instructions win suggests robust SIMD or specialized instruction support. The narrow 0.2% multithread win, despite having half the physical cores, shows the efficiency of its 8-core design with simultaneous multithreading.

The Intel Core Ultra 7 366H wins in Cinebench multicore and single-core tests, data encryption, prime number finding, floating-point math, and physics simulations. Its 55.5% prime number win is the largest margin in the entire comparison. The 51.2% Cinebench single-core lead and 34.1% multicore lead indicate strong rendering performance. The 36% physics win and 29.8% floating-point win point to computational workloads that favor its 16 physical cores and larger per-core cache allocation.

In practice, the choice depends on workload type. The AMD processor suits integer-heavy data processing, compression tasks, and mixed multithreaded workloads where its wider memory bus and 256.0 GB/s bandwidth can feed data quickly. The Intel processor suits rendering, floating-point mathematics, encryption, and physics simulations where its higher core count and per-core cache advantage translate directly into benchmark wins. The AMD chip's 3.5% single-thread PassMark lead suggests it handles general single-threaded tasks adequately, but the Intel chip's Cinebench single-core dominance indicates a different strength in that specific rendering workload.