EPYC 4345P vs Xeon Platinum 8280
EPYC 4345P
Xeon Platinum 8280
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 EPYC 4345P
Performance Per Dollar Xeon Platinum 8280
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 4345P | Xeon Platinum 8280 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($329) | ⚠️ Higher cost ($2,940) |
| Longevity | ✨ Modern (Grado (2025) / 4 nm) | ✨ Modern (Cascade Lake-SP (2018) / 14 nm) |
💎 Value Proposition
| Insight | EPYC 4345P | Xeon Platinum 8280 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+774%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($329) | ⚠️ Higher cost ($2,940) |
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 EPYC 4345P and Xeon Platinum 8280
EPYC 4345P
The EPYC 4345P is manufactured by AMD. It was released in 13 May 2025 (less than a year ago). It is based on the Grado (2025) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 5.5 GHz. L3 cache: 32 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 36,006 points. Launch price was $329.
Xeon Platinum 8280
The Xeon Platinum 8280 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: 36,830 points. Launch price was $10,009.
Processing Power
The EPYC 4345P packs 8 cores / 16 threads, while the Xeon Platinum 8280 offers 28 cores / 56 threads — the Xeon Platinum 8280 has 20 more cores. Boost clocks reach 5.5 GHz on the EPYC 4345P versus 4 GHz on the Xeon Platinum 8280 — a 31.6% clock advantage for the EPYC 4345P (base: 3.8 GHz vs 2.7 GHz). The EPYC 4345P uses the Grado (2025) architecture (4 nm), while the Xeon Platinum 8280 uses Cascade Lake-SP (2018) (14 nm). In PassMark, the EPYC 4345P scores 36,006 against the Xeon Platinum 8280's 36,830 — a 2.3% lead for the Xeon Platinum 8280. L3 cache: 32 MB (total) on the EPYC 4345P vs 38.5 MB (total) on the Xeon Platinum 8280.
| Feature | EPYC 4345P | Xeon Platinum 8280 |
|---|---|---|
| Cores / Threads | 8 / 16 | 28 / 56+250% |
| Boost Clock | 5.5 GHz+38% | 4 GHz |
| Base Clock | 3.8 GHz+41% | 2.7 GHz |
| L3 Cache | 32 MB (total) | 38.5 MB (total)+20% |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 4 nm-71% | 14 nm |
| Architecture | Grado (2025) | Cascade Lake-SP (2018) |
| PassMark | 36,006 | 36,830+2% |
Memory & Platform
The EPYC 4345P uses the AM5 socket (PCIe 4.0), while the Xeon Platinum 8280 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the EPYC 4345P versus 2933 on the Xeon Platinum 8280 — the EPYC 4345P supports 62.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Platinum 8280 supports up to 1536 of RAM compared to 128 — 169.2% more capacity for professional workloads. Memory channels: 2 (EPYC 4345P) vs 6 (Xeon Platinum 8280). PCIe lanes: 28 (EPYC 4345P) vs 48 (Xeon Platinum 8280) — the Xeon Platinum 8280 offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM5 (EPYC 4345P) and LGA3647 (Xeon Platinum 8280).
| Feature | EPYC 4345P | Xeon Platinum 8280 |
|---|---|---|
| Socket | AM5 | LGA3647 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | 5600+91% | 2933 |
| Max RAM Capacity | 128 | 1536+1100% |
| RAM Channels | 2 | 6+200% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28 | 48+71% |
Advanced Features
Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: AMD-V, IOMMU (EPYC 4345P) vs VT-x, VT-d (Xeon Platinum 8280). The EPYC 4345P includes integrated graphics (AMD Radeon Graphics), while the Xeon Platinum 8280 requires a dedicated GPU. Direct competitor: EPYC 4345P rivals Xeon E-2488; Xeon Platinum 8280 rivals EPYC 7702.
| Feature | EPYC 4345P | Xeon Platinum 8280 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | AMD Radeon Graphics | None |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | AMD-V, IOMMU | VT-x, VT-d |
Value Analysis
The EPYC 4345P launched at $329 MSRP, while the Xeon Platinum 8280 debuted at $10009. At current prices ($329 vs $2940), the EPYC 4345P is $2611 cheaper. In terms of value (PassMark points per dollar), the EPYC 4345P delivers 109.4 pts/$ vs 12.5 pts/$ for the Xeon Platinum 8280 — making the EPYC 4345P the 158.9% better value option.
| Feature | EPYC 4345P | Xeon Platinum 8280 |
|---|---|---|
| MSRP | $329-97% | $10009 |
| Avg Price (30d) | $329-89% | $2940 |
| Performance per Dollar | 109.4+775% | 12.5 |
| Release Date | 2025 | 2019 |
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