Xeon Platinum 8268 vs EPYC 4345P
Xeon Platinum 8268
EPYC 4345P
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 8268
Performance Per Dollar EPYC 4345P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Platinum 8268 | EPYC 4345P |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($6,302) | ✅ More affordable ($329) |
| Longevity | ✨ Modern (Cascade Lake-SP (2018) / 14 nm) | ✨ Modern (Grado (2025) / 4 nm) |
💎 Value Proposition
| Insight | Xeon Platinum 8268 | EPYC 4345P |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+1866%) |
| Upfront Cost | ⚠️ Higher cost ($6,302) | ✅ 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 8268 and EPYC 4345P
Xeon Platinum 8268
The Xeon Platinum 8268 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 24 cores and 48 threads. Base frequency is 2.9 GHz, with boost up to 3.9 GHz. L3 cache: 35.75 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: 35,081 points. Launch price was $6,302.
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.
Processing Power
The Xeon Platinum 8268 packs 24 cores / 48 threads, while the EPYC 4345P offers 8 cores / 16 threads — the Xeon Platinum 8268 has 16 more cores. Boost clocks reach 3.9 GHz on the Xeon Platinum 8268 versus 5.5 GHz on the EPYC 4345P — a 34% clock advantage for the EPYC 4345P (base: 2.9 GHz vs 3.8 GHz). The Xeon Platinum 8268 uses the Cascade Lake-SP (2018) architecture (14 nm), while the EPYC 4345P uses Grado (2025) (4 nm). In PassMark, the Xeon Platinum 8268 scores 35,081 against the EPYC 4345P's 36,006 — a 2.6% lead for the EPYC 4345P. L3 cache: 35.75 MB (total) on the Xeon Platinum 8268 vs 32 MB (total) on the EPYC 4345P.
| Feature | Xeon Platinum 8268 | EPYC 4345P |
|---|---|---|
| Cores / Threads | 24 / 48+200% | 8 / 16 |
| Boost Clock | 3.9 GHz | 5.5 GHz+41% |
| Base Clock | 2.9 GHz | 3.8 GHz+31% |
| L3 Cache | 35.75 MB (total)+12% | 32 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 14 nm | 4 nm-71% |
| Architecture | Cascade Lake-SP (2018) | Grado (2025) |
| PassMark | 35,081 | 36,006+3% |
| Cinebench R23 Multi | 24,500 | — |
| Geekbench 6 Single | 1,394 | — |
| Geekbench 6 Multi | 12,046 | — |
Memory & Platform
The Xeon Platinum 8268 uses the LGA3647 socket (PCIe 3.0), while the EPYC 4345P uses AM5 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2933 on the Xeon Platinum 8268 versus 5600 on the EPYC 4345P — the EPYC 4345P supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Platinum 8268 supports up to 1024 GB of RAM compared to 128 — 155.6% more capacity for professional workloads. Memory channels: 6 (Xeon Platinum 8268) vs 2 (EPYC 4345P). PCIe lanes: 48 (Xeon Platinum 8268) vs 28 (EPYC 4345P) — the Xeon Platinum 8268 offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C621,Lewisburg (Xeon Platinum 8268) and AM5 (EPYC 4345P).
| Feature | Xeon Platinum 8268 | EPYC 4345P |
|---|---|---|
| Socket | LGA3647 | AM5 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | DDR4-2933 | 5600+139900% |
| Max RAM Capacity | 1024 GB+838860700% | 128 |
| RAM Channels | 6+200% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 48+71% | 28 |
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 8268) vs AMD-V, IOMMU (EPYC 4345P). The EPYC 4345P includes integrated graphics (AMD Radeon Graphics), while the Xeon Platinum 8268 requires a dedicated GPU. Primary use case: Xeon Platinum 8268 targets High-end Server. Direct competitor: Xeon Platinum 8268 rivals EPYC 7452; EPYC 4345P rivals Xeon E-2488.
| Feature | Xeon Platinum 8268 | EPYC 4345P |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | AMD Radeon Graphics |
| 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 8268 launched at $6302 MSRP, while the EPYC 4345P debuted at $329.
| Feature | Xeon Platinum 8268 | EPYC 4345P |
|---|---|---|
| MSRP | $6302 | $329-95% |
| Avg Price (30d) | — | $329 |
| Release Date | 2019 | 2025 |
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