Core Ultra 9 285K vs EPYC 7543P
Core Ultra 9 285K
EPYC 7543P
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core Ultra 9 285K
Performance Per Dollar EPYC 7543P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core Ultra 9 285K | EPYC 7543P |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($550) | ✅ More affordable ($115) |
| Longevity | ✨ Modern (Arrow Lake-S (2024−2025) / 3 nm) | ✨ Modern (Milan (2021−2023) / 7 nm+) |
💎 Value Proposition
| Insight | Core Ultra 9 285K | EPYC 7543P |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+372%) |
| Upfront Cost | ⚠️ Higher cost ($550) | ✅ More affordable ($115) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Core Ultra 9 285K and EPYC 7543P
Core Ultra 9 285K
The Core Ultra 9 285K is manufactured by Intel. It was released in 24 October 2024 (1 year ago). It is based on the Arrow Lake-S (2024−2025) architecture. It features 24 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 5.6 GHz. L3 cache: 36 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: LGA1851. Thermal design power (TDP): 125 Watt. Memory support: DDR5-6400. Passmark benchmark score: 67,482 points. Launch price was $589.
EPYC 7543P
The EPYC 7543P is manufactured by AMD. It was released in 15 March 2021 (4 years ago). It is based on the Milan (2021−2023) architecture. It features 32 cores and 64 threads. Base frequency is 2.8 GHz, with boost up to 3.7 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 225 Watt. Memory support: DDR4-3200. Passmark benchmark score: 66,590 points. Launch price was $2,730.
Processing Power
The Core Ultra 9 285K packs 24 cores / 24 threads, while the EPYC 7543P offers 32 cores / 64 threads — the EPYC 7543P has 8 more cores. Boost clocks reach 5.6 GHz on the Core Ultra 9 285K versus 3.7 GHz on the EPYC 7543P — a 40.9% clock advantage for the Core Ultra 9 285K (base: 3.7 GHz vs 2.8 GHz). The Core Ultra 9 285K uses the Arrow Lake-S (2024−2025) architecture (3 nm), while the EPYC 7543P uses Milan (2021−2023) (7 nm+). In PassMark, the Core Ultra 9 285K scores 67,482 against the EPYC 7543P's 66,590 — a 1.3% lead for the Core Ultra 9 285K. L3 cache: 36 MB (total) on the Core Ultra 9 285K vs 256 MB (total) on the EPYC 7543P.
| Feature | Core Ultra 9 285K | EPYC 7543P |
|---|---|---|
| Cores / Threads | 24 / 24 | 32 / 64+33% |
| Boost Clock | 5.6 GHz+51% | 3.7 GHz |
| Base Clock | 3.7 GHz+32% | 2.8 GHz |
| L3 Cache | 36 MB (total) | 256 MB (total)+611% |
| L2 Cache | 3 MB (per core)+500% | 512 kB (per core) |
| Process | 3 nm-57% | 7 nm+ |
| Architecture | Arrow Lake-S (2024−2025) | Milan (2021−2023) |
| PassMark | 67,482+1% | 66,590 |
| Cinebench R23 Multi | 45,563 | — |
| Geekbench 6 Single | 3,200 | — |
| Geekbench 6 Multi | 22,563 | — |
Memory & Platform
The Core Ultra 9 285K uses the LGA1851 socket (PCIe 5.0), while the EPYC 7543P uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 9 285K versus 3200 on the EPYC 7543P — the EPYC 7543P supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7543P supports up to 4096 of RAM compared to 192 GB — 182.1% more capacity for professional workloads. Memory channels: 2 (Core Ultra 9 285K) vs 8 (EPYC 7543P). PCIe lanes: 24 (Core Ultra 9 285K) vs 128 (EPYC 7543P) — the EPYC 7543P offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z890 (Core Ultra 9 285K) and SP3 (EPYC 7543P).
| Feature | Core Ultra 9 285K | EPYC 7543P |
|---|---|---|
| Socket | LGA1851 | SP3 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-6400 | 3200+63900% |
| Max RAM Capacity | 192 GB+4915100% | 4096 |
| RAM Channels | 2 | 8+300% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 24 | 128+433% |
Advanced Features
Only the Core Ultra 9 285K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: true (Core Ultra 9 285K) vs VT-x, VT-d (EPYC 7543P). The Core Ultra 9 285K includes integrated graphics (Intel Arc Graphics 64EU), while the EPYC 7543P requires a dedicated GPU. Direct competitor: Core Ultra 9 285K rivals Ryzen 9 9950X; EPYC 7543P rivals Xeon Platinum 8380.
| Feature | Core Ultra 9 285K | EPYC 7543P |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel Arc Graphics 64EU | None |
| Unlocked | Yes | No |
| AVX-512 | No | No |
| Virtualization | true | VT-x, VT-d |
Value Analysis
The Core Ultra 9 285K launched at $589 MSRP, while the EPYC 7543P debuted at $2730. At current prices ($550 vs $115), the EPYC 7543P is $435 cheaper. In terms of value (PassMark points per dollar), the Core Ultra 9 285K delivers 122.7 pts/$ vs 579.0 pts/$ for the EPYC 7543P — making the EPYC 7543P the 130.1% better value option.
| Feature | Core Ultra 9 285K | EPYC 7543P |
|---|---|---|
| MSRP | $589-78% | $2730 |
| Avg Price (30d) | $550 | $115-79% |
| Performance per Dollar | 122.7 | 579.0+372% |
| Release Date | 2024 | 2021 |
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