AMD EPYC 4585PX vs Intel Core Ultra 7 270K Plus Comparison

The AMD EPYC 4585PX and Intel Core Ultra 7 270K Plus represent two radically different philosophies in modern computing: one is a server-class processor on a desktop socket, the other a desktop processor with a server-grade feature set. The benchmark data reveals a fascinating split, where the AMD chip dominates in raw multi-threaded throughput and legacy single-core tests, while the Intel chip counters with wins in floating-point math and modern single-thread workloads. The overall win tally is 10 for AMD and 7 for Intel across 17 head-to-head tests, but the margins tell a more nuanced story about workload-specific strengths.

Head-to-Head Benchmarks

The most striking result in the entire dataset is the Cinebench R23 single-core test, where the AMD EPYC 4585PX scores 8534 against Intel’s 2439, a massive 249.9% delta. This is an outlier of such magnitude that it suggests either a fundamental architectural advantage or a measurement anomaly, but the data is clear: AMD wins this test by a factor of 3.5. The Cinebench R15 single-core test shows a similar pattern, with AMD at 860 versus Intel’s 354, a 142.9% lead. These are not small margins; they are generational gaps in single-thread performance for those specific benchmarks.

However, the Intel Core Ultra 7 270K Plus strikes back in the PassMark single-thread tests, scoring 5068 against AMD’s 4538, a 10.5% advantage. This creates an interesting paradox: AMD wins Cinebench single-core by huge margins, but Intel wins PassMark single-thread by a solid double-digit percentage. The explanation likely lies in the different instruction mixes and workload characteristics of each test suite, with Cinebench favoring AMD’s Zen 5 microarchitecture while PassMark’s broader set of operations favors Intel’s Arrow Lake design.

In multi-core workloads, the AMD EPYC 4585PX flexes its server muscle. The Cinebench R23 multi-core test shows AMD at 60451 versus Intel’s 44253, a 36.6% advantage. The Cinebench R20 multi-core result is closer, with AMD winning 25389 to 24461, a 3.8% margin. Interestingly, the Cinebench R15 multi-core test goes to Intel, with 6656 against AMD’s 6093, an 8.5% delta in Intel’s favor. This inconsistency across Cinebench versions suggests that scaling behavior changes significantly with workload duration and thread count, with AMD pulling ahead in the longer R20 and R23 runs.

The PassMark suite reveals a stark division of labor. AMD wins integer math decisively, scoring 248563 against Intel’s 175986, a 41.2% lead. AMD also dominates physics tests with a 62.7% margin (6612 vs 4064) and data compression by 10% (884774 vs 804322). Intel counters with a crushing 33.2% win in floating-point math (229491 vs 153219), a 20.1% lead in data encryption (59097 vs 47224), and an 11.1% advantage in prime number finding (615 vs 547). The multithread score is nearly tied, with AMD winning by just 0.5% (68908 vs 68574), while random string sorting goes to Intel by a slim 1.8% margin.

Architecture Differences

The foundational difference is in core counts and threading. The AMD EPYC 4585PX packs 16 cores and 32 threads, while the Intel Core Ultra 7 270K Plus has 24 cores but only 24 threads, meaning no hyperthreading on the Intel side. Despite having 50% more physical cores, Intel’s thread count is 25% lower, which explains why AMD often matches or exceeds Intel in multi-threaded tests despite fewer cores. The AMD chip’s Zen 5 architecture, codenamed Grado, is built on a 4nm TSMC process, while Intel’s Arrow Lake Refresh uses a more advanced 3nm TSMC node. The transistor counts are close: 16,630 million for AMD versus 17,800 million for Intel, but the die sizes differ dramatically: AMD uses two 70.6 mm² dies (totaling 141.2 mm²) while Intel uses a single 243 mm² die.

Cache hierarchies tell a story of different design goals. AMD allocates 80 KB of L1 and 1 MB of L2 per core, with a massive 128 MB of L3 cache. Intel has larger per-core caches with 192 KB L1 and 3 MB L2, but only 36 MB of shared L3. AMD’s 128 MB L3 cache is more than 3.5 times larger than Intel’s, which likely contributes to AMD’s dominance in data compression and integer-heavy workloads that benefit from large working sets residing in cache.

Memory bandwidth also differs significantly, with Intel rated at 115.2 GB/s versus AMD’s 89.6 GB/s, a 28.6% advantage for Intel. Both support DDR5 and dual-channel memory, and both support ECC memory. The PCIe configurations are similar but not identical: AMD offers Gen 5 with 24 lanes, while Intel offers Gen 5 with 20 lanes. Both have integrated graphics, but Intel’s Arc Xe-LPG Graphics 64EU is positioned as a more capable desktop solution compared to AMD’s Radeon Graphics. The platforms differ fundamentally: AMD uses Socket AM5, while Intel uses Socket 1851. The Intel chip has an unlocked multiplier, while the AMD chip is locked. Release dates are also far apart: AMD launched on May 12, 2025, while Intel arrived on March 10, 2026.

Where Each One Wins

The AMD EPYC 4585PX is the clear winner for multi-threaded productivity workloads that stress integer operations and data manipulation. Its 41.2% lead in integer math and 62.7% lead in physics simulations point to strong performance in scientific computing, financial modeling, and engineering simulations. The 10% advantage in data compression makes it well-suited for database workloads, file archiving, and big-data processing. The 36.6% win in Cinebench R23 multi-core indicates strong rendering performance for 3D animation and video production, although the R15 result shows Intel can win in shorter render tasks.

The Intel Core Ultra 7 270K Plus excels in floating-point math by a massive 33.2%, which is critical for AI inference, scientific computing with heavy matrix operations, and graphics rendering. Its 20.1% lead in data encryption makes it the better choice for security-focused workloads, VPN gateways, and encrypted storage systems. The 10.5% win in single-thread PassMark tests and 11.1% advantage in prime number calculations suggest strong general-purpose desktop responsiveness and cryptography performance. The 8.5% win in Cinebench R15 multi-core, despite losing the longer tests, indicates better burst performance for short-lived multi-threaded tasks.

The near-tie in multithread (0.5% delta) and random string sorting (1.8% delta) means that for mixed workloads, the choice between these two is nearly arbitrary from a performance standpoint. The R20 multi-core test also shows a close 3.8% margin, suggesting that at certain thread counts and durations, the two processors converge. The data encryption win is notable because Intel achieves it despite having fewer threads, indicating superior per-thread encryption throughput.

The Verdict

From the data, the AMD EPYC 4585PX is the superior choice for compute-heavy server and workstation tasks that involve integer math, physics simulation, data compression, and long-running multi-threaded renders. Its 97th percentile ranking against all CPUs, compared to Intel’s 96th percentile, reflects its higher average benchmark score of 99324 versus Intel’s 93785. The AMD chip’s nearest rivals include the Ryzen Threadripper PRO 5965WX and 9955WX, while Intel’s closest competitor is the Xeon 6520P, which it matches exactly with a 0% delta.

For desktop users prioritizing single-thread responsiveness, floating-point performance, and encryption throughput, the Intel Core Ultra 7 270K Plus is the data-backed choice. Its 5068 PassMark single-thread score is 10.5% higher than AMD’s, and its 20.1% encryption lead is substantial. The Intel chip’s unlock multiplier and higher memory bandwidth (115.2 GB/s vs 89.6 GB/s) make it more attractive for overclocking and memory-sensitive applications. The Intel chip also has a lower TDP of 125 watts versus AMD’s 170 watts, indicating better power efficiency for the same level of general-purpose performance.

The verdict comes down to workload. Rely on the AMD EPYC 4585PX for server virtualization, data analytics, and multi-threaded content creation. Choose the Intel Core Ultra 7 270K Plus for desktop gaming, floating-point-heavy scientific work, and encryption services. The data does not support a single winner; it supports two different winners for two different jobs.

FAQ

Q: Which CPU has a higher Cinebench R23 multi-core score?

A: The AMD EPYC 4585PX scores 60451, which is 36.6% higher than the Intel Core Ultra 7 270K Plus’s score of 44253.

Q: Is the Intel chip faster in single-threaded PassMark tests?

A: Yes, the Intel Core Ultra 7 270K Plus scores 5068 in PassMark single-thread, which is 10.5% higher than the AMD EPYC 4585PX’s score of 4538.

Q: How do the core and thread counts compare?

A: The AMD EPYC 4585PX has 16 cores and 32 threads, while the Intel Core Ultra 7 270K Plus has 24 cores and 24 threads, meaning Intel has more cores but fewer threads.

Q: Which processor has more L3 cache?

A: The AMD EPYC 4585PX has 128 MB of L3 cache, which is significantly more than the Intel Core Ultra 7 270K Plus’s 36 MB of shared L3 cache.

Q: What is the largest single benchmark margin in the head-to-head data?

A: The largest margin is in Cinebench R23 single-core, where the AMD EPYC 4585PX leads by 249.9% with a score of 8534 versus Intel’s 2439.

Q: Do both processors support ECC memory?

A: Yes, both the AMD EPYC 4585PX and the Intel Core Ultra 7 270K Plus list ECC memory support as true.

Specification Differences

| Specification | AMD EPYC 4585PX | Intel Core Ultra 7 270K Plus |

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

| Cores | 16 | 24 |

| Threads | 32 | 24 |

| Base Clock | 4.30 GHz | 3.70 GHz |

| Boost Clock | 5.70 GHz | 5.50 GHz |

| TDP | 170 W | 125 W |

| Socket | AMD Socket AM5 | Intel Socket 1851 |

| Process Node | 4 nm | 3 nm |

| Transistors | 16,630 million | 17,800 million |

| Die Size | 2x 70.6 mm² | 243 mm² |

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

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

| L3 Cache | 128 MB | 36 MB (shared) |

| Memory Bandwidth | 89.6 GB/s | 115.2 GB/s |

| PCIe | Gen 5, 24 Lanes | Gen 5, 20 Lanes |

| Integrated Graphics | Radeon Graphics | Arc Xe-LPG Graphics 64EU |

| Market Segment | Server/Workstation | Desktop |

| Release Date | May 12, 2025 | March 10, 2026 |

| Multiplier Unlocked | No | Yes |

| Part Number | 100-000001561 | SA4V6 |