AMD Ryzen 5 7500X3D vs Intel Core Ultra 7 366H Comparison

Head-to-Head Benchmarks

The recorded data presents a clear and consistent picture: the Intel Core Ultra 7 366H wins all 11 head-to-head benchmark comparisons against the AMD Ryzen 5 7500X3D. The margin varies substantially by workload, from a modest 3.5% lead in physics to a dominant 57.9% advantage in floating-point math.

The largest gap appears in floating-point math, where the Intel chip scores 103,615 against AMD's 43,594. This 57.9% difference likely reflects the architectural disparity between the two processors, which will be examined in the next section. The Intel part also wins decisively in data encryption, scoring 25,845 versus 15,797, a 38.9% advantage. Prime number finding shows a 32.2% lead for Intel (326 versus 221), while extended instructions favor Intel by 24% (26,901 versus 20,455).

Multi-threaded performance, often a key indicator of overall throughput, shows Intel ahead by 25.1% with a score of 33,429 versus 25,047. The single-thread results follow the same pattern: Intel scores 4,043 against AMD's 3,494, a 13.6% edge. Integer math shows a 15.4% Intel advantage (83,695 versus 70,774), while data compression and random string sorting favor Intel by 17% (327,455 versus 271,649) and 17.1% (39,814 versus 32,999) respectively.

Physics is the closest contest, with Intel scoring 2,880 and AMD scoring 2,779, a difference of only 3.5%. This narrow margin suggests that physics workloads are less sensitive to the architectural differences between these two processors, possibly because they stress memory latency and cache behavior in ways that partially equalize the two designs.

The average benchmark scores confirm the overall trend. The AMD Ryzen 5 7500X3D records an average of 44,573, while the Intel Core Ultra 7 366H averages 41,263. The database places the AMD part at the 89th percentile among all CPUs and the Intel part at the 87th percentile. These percentile rankings indicate that both processors sit close together in the overall distribution, despite the Intel chip winning every individual head-to-head test.

Architecture Differences

The two processors come from fundamentally different design philosophies. The AMD Ryzen 5 7500X3D uses the Raphael codename and belongs to the Zen 4 (Raphael) generation. It is built on a 5 nm process at TSMC, with 11,270 million transistors on a 71 mm² die. The Intel Core Ultra 7 366H uses the Panther Lake architecture, built on a 3 nm process at Intel's own foundry. The database does not list transistor count or die size for the Intel part.

Core counts differ sharply. The AMD processor has 6 cores and 12 threads, while the Intel processor has 16 cores and 16 threads. The Intel chip does not use simultaneous multithreading, so its thread count equals its core count. This core disparity likely explains much of the Intel advantage in multi-threaded workloads like floating-point math and data compression.

Cache configurations also diverge significantly. The AMD chip provides 64 KB of L1 cache per core, 1 MB of L2 cache per core, and a large 96 MB shared L3 cache. The Intel chip provides 192 KB of L1 per core, 2.5 MB of L2 per core, but only 18 MB of shared L3. The AMD part's 96 MB L3 cache is a defining feature, likely intended to reduce memory latency in cache-sensitive workloads. Despite this large cache, the Intel chip still wins all head-to-head tests, which suggests that its other architectural advantages outweigh AMD's cache capacity.

Clock speeds favor Intel in boost frequency but AMD in base frequency. The AMD chip runs at a 4.00 GHz base and 4.50 GHz boost. The Intel chip runs at a 2.00 GHz base and 4.80 GHz boost. The Intel part's higher boost clock of 4.80 GHz versus 4.50 GHz may contribute to its single-thread advantage, though the difference in base clocks (4.00 GHz versus 2.00 GHz) is substantial and reflects different power and thermal envelopes.

Power consumption differs by design intent. The AMD processor has a 65 W TDP, while the Intel processor has a 25 W TDP. The Intel chip achieves higher performance across all measured benchmarks while consuming less power according to TDP ratings. This efficiency gap likely stems from the 3 nm process node versus 5 nm, as well as the mobile-oriented design of the Intel part versus the desktop-oriented design of the AMD part.

Memory support and bandwidth also differ. Both support DDR5 and dual-channel memory, but the Intel chip additionally supports LPDDR5X and lists a memory bandwidth of 115.2 GB/s, compared to 83.2 GB/s for the AMD chip. The AMD part supports ECC memory, while the Intel part does not. PCIe lane counts differ as well: the AMD chip provides 24 Gen 5 lanes from the CPU, while the Intel chip provides 12 Gen 5 lanes.

Integrated graphics represent another split. The AMD chip uses Radeon Graphics, while the Intel chip uses Intel Xe3 Graphics. The database does not provide benchmark scores for either integrated GPU, so a direct comparison is not possible from the recorded data.

FAQ

Q: Which processor wins in single-threaded performance?

A: The Intel Core Ultra 7 366H scores 4,043 in the PassMark single-thread test, while the AMD Ryzen 5 7500X3D scores 3,494. The Intel chip leads by 13.6%.

Q: How large is the advantage in multi-threaded performance?

A: The Intel Core Ultra 7 366H scores 33,429 in the PassMark multithread test, compared to 25,047 for the AMD Ryzen 5 7500X3D. This represents a 25.1% lead for the Intel processor.

Q: Which processor has more cores and threads?

A: The Intel Core Ultra 7 366H has 16 cores and 16 threads. The AMD Ryzen 5 7500X3D has 6 cores and 12 threads. The Intel chip uses more cores but does not implement simultaneous multithreading.

Q: What is the difference in L3 cache size?

A: The AMD Ryzen 5 7500X3D has 96 MB of shared L3 cache, while the Intel Core Ultra 7 366H has 18 MB of shared L3 cache. The AMD part offers significantly more L3, yet still loses all head-to-head benchmark tests.

Q: Which processor has a higher boost clock?

A: The Intel Core Ultra 7 366H has a boost clock of 4.80 GHz, while the AMD Ryzen 5 7500X3D has a boost clock of 4.50 GHz. The Intel chip also has a lower base clock at 2.00 GHz versus 4.00 GHz for the AMD part.

Q: What is the TDP difference between the two?

A: The AMD Ryzen 5 7500X3D has a TDP of 65 W, while the Intel Core Ultra 7 366H has a TDP of 25 W. The Intel chip consumes less power according to TDP while delivering higher benchmark scores.

Specification Differences

| Field | AMD Ryzen 5 7500X3D | Intel Core Ultra 7 366H |

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

| Cores | 6 | 16 |

| Threads | 12 | 16 |

| Base Clock | 4.00 GHz | 2.00 GHz |

| Boost Clock | 4.50 GHz | 4.80 GHz |

| TDP | 65 W | 25 W |

| Socket | AMD Socket AM5 | Intel BGA 2540 |

| Architecture | (Zen 4 Raphael) | Panther Lake |

| Process Node | 5 nm | 3 nm |

| Foundry | TSMC | Intel |

| L1 Cache | 64 KB per core | 192 KB per core |

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

| L3 Cache | 96 MB shared | 18 MB shared |

| Memory Support | DDR5 | DDR5, LPDDR5X |

| Memory Bandwidth | 83.2 GB/s | 115.2 GB/s |

| ECC Memory | Yes | No |

| PCIe Lanes | Gen 5, 24 Lanes | Gen 5, 12 Lanes |

| Integrated Graphics | Radeon Graphics | Intel Xe3 Graphics |

| Market Segment | Desktop | Mobile |

| Release Date | 2025-11-11 | 2026-01-04 |

| Launch MSRP | $269 | Not listed |

| Transistors | 11,270 million | Not listed |

| Die Size | 71 mm² | Not listed |

The Verdict

The benchmark data consistently favors the Intel Core Ultra 7 366H across every recorded test. The Intel chip wins all 11 head-to-head comparisons, with advantages ranging from 3.5% in physics to 57.9% in floating-point math. The database places the Intel part at the 87th percentile and the AMD part at the 89th percentile, which indicates that the AMD processor holds a slightly higher position in the overall CPU distribution despite losing every direct comparison.

The AMD Ryzen 5 7500X3D does offer a larger L3 cache at 96 MB versus 18 MB, a higher base clock at 4.00 GHz versus 2.00 GHz, and ECC memory support. These features may matter for specific workloads or system requirements, but the recorded benchmark data does not show any test where these advantages translate into a performance win.

The Intel Core Ultra 7 366H delivers higher performance in every measured category while also carrying a lower TDP of 25 W versus 65 W. It uses a more advanced 3 nm process node from Intel's own foundry, supports both DDR5 and LPDDR5X memory, and provides higher memory bandwidth at 115.2 GB/s. The Intel chip also has more cores (16 versus 6) and a higher boost clock (4.80 GHz versus 4.50 GHz).

For users prioritizing raw benchmark performance, the data points decisively to the Intel processor. For users who require ECC memory support or a desktop socket design, the AMD processor provides those specific capabilities.

Where Each One Wins

The Intel Core Ultra 7 366H wins in every benchmark category recorded in the database. Its largest margins come in floating-point math (57.9% ahead), data encryption (38.9% ahead), and prime number finding (32.2% ahead). These results suggest the Intel chip has a substantial advantage in computational workloads that stress arithmetic throughput and cryptographic operations. The 16-core configuration likely drives much of this performance, particularly in floating-point math where the Intel score of 103,615 dwarfs the AMD score of 43,594.

The Intel chip also leads in more common workloads. Multi-threaded performance is 25.1% higher, single-threaded performance is 13.6% higher, and integer math is 15.4% higher. Data compression and random string sorting both show Intel ahead by approximately 17%. These results cover a broad range of general-purpose computing tasks, indicating that the Intel processor provides a comprehensive performance advantage rather than a narrowly specialized one.

The AMD Ryzen 5 7500X3D shows no benchmark wins in the head-to-head data. However, the processor does hold advantages in specific specification areas that may matter for certain system configurations. The 96 MB L3 cache is substantially larger than the Intel chip's 18 MB, which could benefit workloads that repeatedly access large datasets within cache limits. The 4.00 GHz base clock is twice the Intel chip's 2.00 GHz, which may provide more consistent performance under sustained loads that do not reach boost frequencies. ECC memory support is present on the AMD chip but absent on the Intel chip, which could be a deciding factor for systems requiring error-correcting memory. The AMD chip also uses a desktop socket (AM5) rather than a mobile BGA package, enabling different system form factors.

The closest contest appears in the physics test, where Intel leads by only 3.5% (2,880 versus 2,779). This narrow margin suggests that physics-based workloads are relatively insensitive to the architectural differences between the two processors, possibly because they rely on cache behavior and memory access patterns where the AMD chip's larger L3 cache partially compensates for its lower core count.