Core Ultra 9 285K
EPYC 7543P
Core Ultra 9 285K vs EPYC 7543P Performance Spectrum
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.
Core Ultra 9 285K vs EPYC 7543P FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.
Path of Exile 2
Counter-Strike 2
League of Legends
Valorant
Among Us
Apex Legends
ARC Raiders
Baldur's Gate 3
Call of Duty: Black Ops 6
Core Ultra 9 285K vs EPYC 7543P: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Core Ultra 9 285K
2024Why buy it
- ✅Better for gaming: +39.1% higher average FPS across 50 shared CPU benchmark tests.
- ✅Costs $2,141 less on MSRP ($589 MSRP vs $2,730 MSRP).
- ✅Delivers 369.7% more PassMark for each dollar spent, at 114.6 vs 24.4 PassMark/$ ($589 MSRP vs $2,730 MSRP).
- ✅Draws 125W instead of 225W, a 100W reduction.
- ✅Newer platform on LGA1851 with DDR5 support instead of SP3 and DDR4.
Trade-offs
- ❌Smaller total L3 cache (36 MB vs 256 MB).
- ❌Less compelling for workstation-style loads than EPYC 7543P, which brings 32 cores / 64 threads and 128 PCIe lanes.
EPYC 7543P
2021Why buy it
- ✅+611.1% larger total L3 cache (256 MB vs 36 MB).
- ✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 128 PCIe lanes vs 24.
- ✅433.3% more PCIe lanes (128 vs 24) for storage and expansion-heavy builds.
Trade-offs
- ❌Worse for gaming: lower average FPS than Core Ultra 9 285K across 50 shared CPU benchmark tests.
- ❌Lower PassMark (66,590 vs 67,482).
- ❌Lower PassMark per dollar, at 24.4 vs 114.6 PassMark/$ ($2,730 MSRP vs $589 MSRP).
- ❌80% higher power demand at 225W vs 125W.
- ❌Older platform position on SP3 with DDR4, while Core Ultra 9 285K moves to LGA1851 and DDR5.
Quick Answers
So, is Core Ultra 9 285K better than EPYC 7543P?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Core Ultra 9 285K vs EPYC 7543P Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
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 Core Ultra 9 285K supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7543P supports up to 4096 GB of RAM compared to 192 GB — 2033.3% 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+100% | 3200 |
| Max RAM Capacity | 192 GB | 4096 GB+2033% |
| RAM Channels | 2 | 8+300% |
| ECC Support | Yes | Yes |
| 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
At launch, the Core Ultra 9 285K was priced at $589, while the EPYC 7543P came in at $2730. On launch pricing ($589 vs $2730), Core Ultra 9 285K was $2141 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core Ultra 9 285K delivers 114.6 pts/$ vs 24.4 pts/$ for the EPYC 7543P — making the Core Ultra 9 285K the 129.8% better value option.
| Feature | Core Ultra 9 285K | EPYC 7543P |
|---|---|---|
| MSRP | $589-78% | $2730 |
| Performance per Dollar | 114.6+370% | 24.4 |
| Release Date | 2024 | 2021 |
Affiliate Disclosure
ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.
Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Core Ultra 9 285K and EPYC 7543P
