Xeon Platinum 8280M vs EPYC 7551P
Xeon Platinum 8280M
EPYC 7551P
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 Xeon Platinum 8280M
Performance Per Dollar EPYC 7551P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Platinum 8280M | EPYC 7551P |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($6,223) | ✅ More affordable ($329) |
| Longevity | ✨ Modern (Cascade Lake-SP (2018) / 14 nm) | ✨ Modern (Naples (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | Xeon Platinum 8280M | EPYC 7551P |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+1814%) |
| Upfront Cost | ⚠️ Higher cost ($6,223) | ✅ More affordable ($329) |
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 Xeon Platinum 8280M and EPYC 7551P
Xeon Platinum 8280M
The Xeon Platinum 8280M is manufactured by Intel. It was released in 11 December 2018 (6 years ago). It is based on the Cascade Lake-SP (2018) architecture. It features 28 cores and 56 threads. Base frequency is 2.7 GHz, with boost up to 4 GHz. L3 cache: 38.5 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2933. Passmark benchmark score: 37,665 points. Launch price was $13,012.
EPYC 7551P
The EPYC 7551P is manufactured by AMD. It was released in 29 June 2017 (8 years ago). It is based on the Naples (2017−2018) architecture. It features 32 cores and 64 threads. Base frequency is 2 GHz, with boost up to 3 GHz. L3 cache: 64 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: TR4. Thermal design power (TDP): 180 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 38,111 points. Launch price was $2,100.
Processing Power
The Xeon Platinum 8280M packs 28 cores / 56 threads, while the EPYC 7551P offers 32 cores / 64 threads — the EPYC 7551P has 4 more cores. Boost clocks reach 4 GHz on the Xeon Platinum 8280M versus 3 GHz on the EPYC 7551P — a 28.6% clock advantage for the Xeon Platinum 8280M (base: 2.7 GHz vs 2 GHz). The Xeon Platinum 8280M uses the Cascade Lake-SP (2018) architecture (14 nm), while the EPYC 7551P uses Naples (2017−2018) (14 nm). In PassMark, the Xeon Platinum 8280M scores 37,665 against the EPYC 7551P's 38,111 — a 1.2% lead for the EPYC 7551P. L3 cache: 38.5 MB (total) on the Xeon Platinum 8280M vs 64 MB (total) on the EPYC 7551P.
| Feature | Xeon Platinum 8280M | EPYC 7551P |
|---|---|---|
| Cores / Threads | 28 / 56 | 32 / 64+14% |
| Boost Clock | 4 GHz+33% | 3 GHz |
| Base Clock | 2.7 GHz+35% | 2 GHz |
| L3 Cache | 38.5 MB (total) | 64 MB (total)+66% |
| L2 Cache | 1 MB (per core)+100% | 512K (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Cascade Lake-SP (2018) | Naples (2017−2018) |
| PassMark | 37,665 | 38,111+1% |
| Cinebench R23 Multi | 35,400 | — |
| Geekbench 6 Single | 1,214 | — |
| Geekbench 6 Multi | 11,500 | — |
Memory & Platform
The Xeon Platinum 8280M uses the LGA3647 socket (PCIe 3.0), while the EPYC 7551P uses TR4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2933 on the Xeon Platinum 8280M versus 2666 on the EPYC 7551P — the EPYC 7551P supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 2048 GB of RAM. Memory channels: 6 (Xeon Platinum 8280M) vs 8 (EPYC 7551P). PCIe lanes: 48 (Xeon Platinum 8280M) vs 128 (EPYC 7551P) — the EPYC 7551P offers 80 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C621,C622,C624,C627,C628 (Xeon Platinum 8280M) and SP3 (EPYC 7551P).
| Feature | Xeon Platinum 8280M | EPYC 7551P |
|---|---|---|
| Socket | LGA3647 | TR4 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | DDR4-2933 | 2666+66550% |
| Max RAM Capacity | 2048 GB+104857500% | 2048 |
| RAM Channels | 6 | 8+33% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 48 | 128+167% |
Advanced Features
Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d, EPT (Xeon Platinum 8280M) vs AMD-V, IOMMU (EPYC 7551P). Primary use case: Xeon Platinum 8280M targets High-end Server. Direct competitor: Xeon Platinum 8280M rivals EPYC 7742; EPYC 7551P rivals Xeon Platinum 8160.
| Feature | Xeon Platinum 8280M | EPYC 7551P |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | — | None |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, EPT | AMD-V, IOMMU |
| Target Use | High-end Server | — |
Value Analysis
The Xeon Platinum 8280M launched at $10009 MSRP, while the EPYC 7551P debuted at $2100. At current prices ($6223 vs $329), the EPYC 7551P is $5894 cheaper. In terms of value (PassMark points per dollar), the Xeon Platinum 8280M delivers 6.1 pts/$ vs 115.8 pts/$ for the EPYC 7551P — making the EPYC 7551P the 180.1% better value option.
| Feature | Xeon Platinum 8280M | EPYC 7551P |
|---|---|---|
| MSRP | $10009 | $2100-79% |
| Avg Price (30d) | $6223 | $329-95% |
| Performance per Dollar | 6.1 | 115.8+1798% |
| Release Date | 2019 | 2017 |
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