AMD Ryzen 7 9700X vs Intel Core Ultra 9 285H Comparison

The AMD Ryzen 7 9700X decisively outperforms the Intel Core Ultra 9 285H in the majority of head-to-head benchmarks, securing 12 wins against Intel’s 5. However, the Intel chip’s victories are concentrated in specific, high-margin workloads like floating-point math and prime number calculation, revealing a clear division of labor between the two processors. The Ryzen 7 9700X dominates general-purpose and integer-heavy tasks, while the Core Ultra 9 285H carves out a niche in specialized math and encryption workloads.

Head-to-Head Benchmarks

The most lopsided result favors the Intel Core Ultra 9 285H in the PassMark find prime numbers test. Intel scores 330 against AMD’s 192, a commanding 71.9% advantage. This is not a marginal win; it is a category-defining gap that indicates a fundamental architectural strength in this specific workload. Similarly, the Intel chip excels in floating-point math, posting a score of 109,190 versus AMD’s 78,999, a 38.2% lead. These two results alone demonstrate that for scientific computing or any task relying heavily on FPU throughput, the Core Ultra 9 285H is the superior choice.

Intel also wins the PassMark data encryption test, scoring 26,140 against AMD’s 21,815, a 19.8% margin. In multi-core rendering, the Intel chip narrowly edges out the Ryzen in Cinebench R23 multi-core, with 20,781.5 versus 20,485, a slim 1.4% advantage. This near-tie is notable because the Intel processor achieves it despite having a higher core count, suggesting that AMD’s per-core efficiency nearly compensates for its lower core count. Intel also takes PassMark physics with a score of 2,513 versus 2,241, a 12.1% win.

The AMD Ryzen 7 9700X’s dominance is most pronounced in single-core and integer performance. In Geekbench single-core, AMD scores 3,023 against Intel’s 2,178, a massive 28% lead. This is the largest single-core gap in the entire comparison. The multi-core Geekbench result is similarly one-sided, with AMD at 17,906 versus Intel’s 14,743, a 17.7% deficit for Intel. In PassMark integer math, AMD posts 120,142 versus Intel’s 85,922, a 28.5% advantage. These results indicate that Zen 5’s per-core IPC is substantially higher than Arrow Lake’s, and that advantage scales across both single-threaded and multi-threaded scenarios.

The Ryzen 7 9700X also wins in data compression, scoring 437,140 versus Intel’s 335,859, a 23.2% lead. In extended instructions, AMD scores 35,318 versus 26,794, a 24.1% margin. The multi-thread PassMark test goes to AMD at 37,161 versus 34,171, an 8% lead. Even in random string sorting, AMD wins with 46,782 versus 40,931, a 12.5% advantage. The Cinebench R15 multi-core test is a statistical tie (3,178 vs 3,177.5), while the single-core R15 test favors AMD by 9.5% (346 vs 313). The R23 single-core test also goes to AMD by 3.7% (2,211 vs 2,129.5).

FAQ

Q: Which processor has the higher single-core performance?

A: The AMD Ryzen 7 9700X is clearly ahead in every single-core benchmark. It leads by 28% in Geekbench single-core (3,023 vs 2,178), by 9.5% in Cinebench R15 single-core (346 vs 313), and by 3.7% in Cinebench R23 single-core (2,211 vs 2,129.5).

Q: Is the Intel Core Ultra 9 285H faster in any multi-core test?

A: Yes, but only in Cinebench R23 multi-core, where it scores 20,781.5 versus AMD’s 20,485, a 1.4% lead. In Geekbench multi-core and PassMark multi-thread, the AMD chip wins by 17.7% and 8%, respectively.

Q: How do they compare in encryption workloads?

A: The Intel Core Ultra 9 285H is the winner in PassMark data encryption, scoring 26,140 versus AMD’s 21,815, a 19.8% advantage. This is one of Intel’s five benchmark wins.

Q: Which CPU excels in floating-point calculations?

A: The Intel Core Ultra 9 285H has a massive 38.2% lead in PassMark floating-point math (109,190 vs 78,999). This is Intel’s second-largest margin of victory.

Q: What about integer performance?

A: The AMD Ryzen 7 9700X dominates, scoring 120,142 in PassMark integer math versus Intel’s 85,922, a 28.5% lead. This is AMD’s second-largest margin of victory.

Q: Which processor has more cores?

A: The Intel Core Ultra 9 285H has 16 cores, double the AMD Ryzen 7 9700X’s 8 cores. Both have 16 threads, meaning Intel’s cores do not support simultaneous multithreading.

Architecture Differences

The two processors are built on fundamentally different architectures. The Intel Core Ultra 9 285H uses the Arrow Lake architecture, specifically the Arrow Lake-H codename, fabricated on TSMC’s 3 nm process node. It features 16 cores and 16 threads, with a base clock of 2.90 GHz and a boost clock of 5.40 GHz. The AMD Ryzen 7 9700X uses the Zen 5 architecture, codenamed Granite Ridge, on TSMC’s 4 nm process node. It has 8 cores and 16 threads, with a higher base clock of 3.80 GHz and a boost clock of 5.50 GHz.

Cache configurations differ significantly. Intel allocates 192 KB of L1 cache per core, 3 MB of L2 per core, and a shared 24 MB L3 cache. AMD offers 80 KB of L1 per core, 1 MB of L2 per core, and a larger shared 32 MB L3 cache. AMD’s die is 70.6 mm² with 8,315 million transistors, while Intel’s die size and transistor count are not listed.

Memory support also diverges. Intel supports both DDR5 and LPDDR5X with a memory bandwidth of 102.4 GB/s. AMD supports only DDR5 with a lower memory bandwidth of 89.6 GB/s. Both are dual-channel, and both support ECC memory. PCIe connectivity differs, with Intel offering Gen 5 with 8 lanes (CPU only), while AMD offers Gen 5 with 24 lanes (CPU only). The integrated graphics are Arc Graphics 140T for Intel and Radeon Graphics for AMD.

Market positioning is starkly different. The Intel chip is a mobile processor on an Intel BGA 2049 socket with a TDP of 45 W. The AMD chip is a desktop processor on an AMD Socket AM5 with a TDP of 65 W. The Intel chip has a locked multiplier, while the AMD chip has an unlocked multiplier. Release dates differ, with Intel launching on 2025-01-12 and AMD on 2024-08-07.

The Verdict

The data points to a clear winner for general-purpose computing: the AMD Ryzen 7 9700X. It wins 12 of 17 benchmarks, including all major single-core tests and the broad PassMark multi-thread test. Its 28% lead in Geekbench single-core and 28.5% lead in integer math are not marginal; they represent a generational leap in per-core efficiency that the Intel chip cannot match. For users running typical workloads—compression, sorting, integer calculations, or everyday applications—the Ryzen 7 9700X is the better performer.

However, the Intel Core Ultra 9 285H is not without its own compelling case. Its 71.9% win in prime number finding and 38.2% win in floating-point math suggest that for scientific simulations, financial modeling, or any workload that leverages FPU operations, the Intel chip is significantly faster. Its 19.8% win in encryption also makes it the pick for security-focused tasks. The Cinebench R23 multi-core tie indicates that Intel can hold its own in certain rendering workloads, despite the core count disparity.

The choice comes down to workload. The AMD Ryzen 7 9700X is the all-rounder with superior efficiency in most tasks. The Intel Core Ultra 9 285H is the specialist, offering unmatched performance in specific math-heavy and encryption domains. For a desktop user prioritizing single-thread responsiveness and integer-heavy applications, the Ryzen 7 9700X is the data-backed recommendation. For a mobile user whose primary tasks involve floating-point mathematics or encryption, the Core Ultra 9 285H is the justified pick.

Specification Differences

| Specification | Intel Core Ultra 9 285H | AMD Ryzen 7 9700X |

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

| Cores | 16 | 8 |

| Threads | 16 | 16 |

| Base Clock | 2.90 GHz | 3.80 GHz |

| Boost Clock | 5.40 GHz | 5.50 GHz |

| TDP | 45 W | 65 W |

| Socket | Intel BGA 2049 | AMD Socket AM5 |

| Architecture | Arrow Lake | Zen 5 |

| Process Node | 3 nm | 4 nm |

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

| L2 Cache | 3 MB (per core) | 1 MB (per core) |

| L3 Cache | 24 MB (shared) | 32 MB (shared) |

| Memory Support | DDR5, LPDDR5X | DDR5 |

| Memory Bandwidth | 102.4 GB/s | 89.6 GB/s |

| PCIe | Gen 5, 8 Lanes (CPU only) | Gen 5, 24 Lanes (CPU only) |

| Integrated Graphics | Arc Graphics 140T | Radeon Graphics |

| Market Segment | Mobile | Desktop |

| Multiplier | Locked | Unlocked |

Where Each One Wins

The AMD Ryzen 7 9700X is the clear winner in single-thread performance, taking every single-core benchmark by margins ranging from 3.7% to 28%. It also wins in data compression (23.2%), extended instructions (24.1%), integer math (28.5%), multi-thread performance (8%), random string sorting (12.5%), and Geekbench multi-core (17.7%). This makes it the superior choice for general productivity, software development, office applications, and any workload that benefits from high IPC and strong multi-thread scaling.

The Intel Core Ultra 9 285H wins in prime number finding (71.9%), floating-point math (38.2%), encryption (19.8%), physics (12.1%), and narrowly in Cinebench R23 multi-core (1.4%). This makes it the better option for scientific computing, cryptography, physics simulations, and rendering tasks that specifically leverage its FPU capabilities. Its 16 cores also provide a raw core-count advantage, though the benchmark data shows this does not translate into consistent multi-thread wins outside of Cinebench R23.