AMD Ryzen 9 5950X vs Intel Core Ultra 9 285T Comparison

AMD Ryzen 9 5950X vs Intel Core Ultra 9 285T: two desktop processors separated by four years of silicon evolution, yet both land at the 91st percentile among all CPUs. The Ryzen 9 5950X, a 16-core Zen 3 part from the 5000 series, faces the Intel Core Ultra 9 285T, a 24-core Arrow Lake-S chip from Core Ultra Series 2. Benchmark results show a rare split: the AMD wins 7 of 15 head-to-head tests, while the Intel wins 8. The average benchmark scores are close — 51,947 for the AMD against 51,310 for the Intel — but the character of their performance could not be more different.

FAQ

Q: Which processor has the higher multi-core score in Cinebench R23?

A: The Intel Core Ultra 9 285T scores 33,573 in Cinebench R23 multicore, which is 22.5% higher than the AMD Ryzen 9 5950X's 26,017 in the same test.

Q: Does the AMD Ryzen 9 5950X win any benchmark by a large margin?

A: Yes. The AMD leads by 62.5% in PassMark data compression (624,347 vs 384,140) and by 40.1% in PassMark integer math (185,520 vs 132,433). It also wins data encryption by 23.5% and extended instructions by 47.3%.

Q: How do single-thread scores compare between the two?

A: The Intel Core Ultra 9 285T dominates single-thread performance. In Cinebench R23 single-core, it scores 4,739 versus the AMD's 1,614, a 65.9% advantage. PassMark single-thread shows 4,576 for the Intel versus 3,470 for the AMD, a 24.2% lead.

Q: What are the core and thread counts?

A: The AMD Ryzen 9 5950X has 16 cores and 32 threads. The Intel Core Ultra 9 285T has 24 cores and 24 threads, meaning it has no hyperthreading.

Q: Which processor supports faster memory?

A: The Intel Core Ultra 9 285T supports DDR5 with a memory bandwidth of 102.4 GB/s. The AMD Ryzen 9 5950X supports DDR4 with a memory bandwidth of 51.2 GB/s.

Q: Do both processors have unlocked multipliers?

A: No. The AMD Ryzen 9 5950X has an unlocked multiplier, while the Intel Core Ultra 9 285T does not.

Architecture Differences

The two chips represent distinct design philosophies. The AMD Ryzen 9 5950X is built on Zen 3 architecture (codename Vermeer) using a 7 nm process from TSMC, with 8,300 million transistors spread across two 74 mm² dies. The Intel Core Ultra 9 285T uses Arrow Lake architecture (codename Arrow Lake-S) on a 3 nm TSMC process, packing 17,800 million transistors into a single 243 mm² die. The Intel process node is denser, but the AMD design uses a chiplet approach with two smaller dies.

Core organization differs fundamentally. The AMD has 16 cores and 32 threads, all based on full Zen 3 cores. The Intel has 24 cores and 24 threads, indicating a hybrid or efficiency-focused design without simultaneous multithreading. Cache hierarchies also diverge: the AMD provides 64 KB L1 per core, 512 KB L2 per core, and 64 MB of L3 cache. The Intel offers 192 KB L1 per core, 3 MB L2 per core, and 36 MB of shared L3 cache. The Intel has far more L2 per core, but the AMD has nearly double the total L3.

Memory and I/O show generational gaps. The AMD uses DDR4 with dual-channel memory and 51.2 GB/s bandwidth, while the Intel uses DDR5 with dual-channel and 102.4 GB/s bandwidth — exactly double. PCIe support also advances: the AMD has PCIe Gen 4 with 20 CPU lanes, while the Intel has PCIe Gen 5 with 20 CPU lanes. The Intel integrates Arc Xe-LPG Graphics with 64 execution units; the AMD has no integrated graphics. Both support ECC memory.

Power and physical specs differ sharply. The AMD has a 105 W TDP, base clock of 3.40 GHz, and boost clock of 4.90 GHz. The Intel has a 35 W TDP, base clock of 1.40 GHz, and boost clock of 5.40 GHz. The AMD uses Socket AM4, while the Intel uses Socket 1851. The Intel's 35 W TDP is remarkably low for a 24-core part, suggesting aggressive power management, while the AMD's higher 105 W TDP allows 16 cores to run at higher sustained clocks.

Head-to-Head Benchmarks

The benchmark split is nearly even, but the margins tell a story. The AMD wins decisively in several compute-heavy integer workloads. PassMark data compression shows the AMD at 624,347 versus the Intel's 384,140 — a 62.5% advantage. PassMark integer math follows with 185,520 versus 132,433, a 40.1% lead. PassMark extended instructions favors the AMD by 47.3% (40,468 vs 27,477), and data encryption by 23.5% (39,593 vs 32,061). Random string sorting also goes to the AMD, 65,172 versus 47,695, a 36.6% margin. PassMark multithread gives the AMD 45,424 against 39,931, a 13.8% win.

The Intel strikes back in single-thread and floating-point tests. Cinebench R23 single-core is a landslide: the Intel scores 4,739 versus the AMD's 1,614, a 65.9% lead. Cinebench R15 single-core shows the Intel at 477 versus 266.5, a 44.1% advantage. PassMark physics favors the Intel, 2,842 versus 1,878, a 33.9% margin. PassMark floating-point math goes to the Intel, 137,923 versus 100,280, a 27.3% lead. PassMark single-thread shows 4,576 versus 3,470, a 24.2% win. PassMark find prime numbers also goes to the Intel, 345 versus 228, a 33.9% edge.

Multi-core results are mixed. The Intel wins Cinebench R23 multicore with 33,573 versus 26,017, a 22.5% advantage. But the AMD wins Cinebench R15 multicore with 4,324 versus 3,384, a 27.8% margin. The PassMark multithread test goes to the AMD by 13.8%. This suggests the Intel's advantage appears in newer, more scalable multi-threaded workloads, while the AMD holds its own in older benchmarks and certain integer-heavy tasks.

Specification Differences

| Specification | AMD Ryzen 9 5950X | Intel Core Ultra 9 285T |

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

| Cores | 16 | 24 |

| Threads | 32 | 24 |

| Base Clock | 3.40 GHz | 1.40 GHz |

| Boost Clock | 4.90 GHz | 5.40 GHz |

| TDP | 105 W | 35 W |

| Socket | AMD Socket AM4 | Intel Socket 1851 |

| Process Node | 7 nm | 3 nm |

| Transistors | 8,300 million | 17,800 million |

| Die Size | 2x 74 mm² | 243 mm² |

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

| L2 Cache | 512 KB (per core) | 3 MB (per core) |

| L3 Cache | 64 MB | 36 MB (shared) |

| Memory Support | DDR4 | DDR5 |

| Memory Bandwidth | 51.2 GB/s | 102.4 GB/s |

| PCIe | Gen 4, 20 Lanes | Gen 5, 20 Lanes |

| Integrated Graphics | None | Arc Xe-LPG Graphics 64EU |

| Multiplier Unlocked | Yes | No |

| Release Date | 2020-11-04 | 2025-01-06 |

| Launch MSRP | $799 | $549 |

The Verdict

The data presents two distinct profiles. The AMD Ryzen 9 5950X excels in integer math, data compression, encryption, and extended instruction workloads. Its PassMark multithread score of 45,424 beats the Intel's 39,931, and its Cinebench R15 multicore win by 27.8% shows strength in legacy multi-threaded scenarios. The AMD also carries an unlocked multiplier for overclocking, making it attractive for users who want manual tuning.

The Intel Core Ultra 9 285T wins on single-thread performance by massive margins — 65.9% in Cinebench R23 single-core — and delivers superior floating-point math and physics scores. Its 24 cores and 35 W TDP are notable: the chip achieves higher Cinebench R23 multicore performance (33,573) than the AMD while drawing one-third the thermal envelope. The Intel also supports DDR5 with double the memory bandwidth, PCIe Gen 5, and includes integrated graphics.

Neither chip dominates overall. The Intel wins 8 of 15 benchmarks, the AMD wins 7. Average scores are nearly identical (51,947 vs 51,310), and both sit at the 91st percentile. The Intel's nearest rival is the Intel Core i9-14900T with a 0.6% delta, while the AMD's closest rival is the Intel Core Ultra 5 235HX at -0.2%. The choice depends entirely on workload priorities, not on overall superiority.

Where Each One Wins

AMD Ryzen 9 5950X is the pick for integer-heavy parallel workloads. PassMark data compression (624,347 vs 384,140) and integer math (185,520 vs 132,433) show leads of 62.5% and 40.1%, respectively. Data encryption, extended instructions, and random string sorting also favor the AMD by 23.5%, 47.3%, and 36.6%. The AMD also wins PassMark multithread (45,424 vs 39,931) and Cinebench R15 multicore (4,324 vs 3,384). Users running compression tools, encryption, or integer-heavy code should choose the AMD. The unlocked multiplier adds flexibility for manual overclocking.

Intel Core Ultra 9 285T is the pick for single-thread performance, floating-point math, and power efficiency. Cinebench R23 single-core (4,739 vs 1,614) and R15 single-core (477 vs 266.5) show leads of 65.9% and 44.1%. PassMark floating-point math (137,923 vs 100,280) and physics (2,842 vs 1,878) favor the Intel by 27.3% and 33.9%. The Intel also wins Cinebench R23 multicore (33,573 vs 26,017) by 22.5%, despite its 35 W TDP. Its DDR5 support with 102.4 GB/s bandwidth, PCIe Gen 5, and integrated graphics make it a more modern platform. The Intel wins find prime numbers (345 vs 228) and PassMark single-thread (4,576 vs 3,470). Users prioritizing single-thread responsiveness, floating-point workloads, or low power draw should choose the Intel.