Xeon 6781P vs EPYC 9745
Xeon 6781P
EPYC 9745
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 6781P
Performance Per Dollar EPYC 9745
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon 6781P | EPYC 9745 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($8,960) | ⚠️ Higher cost ($10,588) |
| Longevity | ✨ Modern (Granite Rapids (2024−2025) / Intel 3 nm) | ✨ Modern (Turin (2024) / 3 nm) |
💎 Value Proposition
| Insight | Xeon 6781P | EPYC 9745 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+7%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($8,960) | ⚠️ Higher cost ($10,588) |
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 6781P and EPYC 9745
Xeon 6781P
The Xeon 6781P is manufactured by Intel. It was released in 24 February 2025 (less than a year ago). It is based on the Granite Rapids (2024−2025) architecture. It features 80 cores and 160 threads. Base frequency is 2 GHz, with boost up to 3.8 GHz. L3 cache: 336 MB (total). L2 cache: 2 MB (per core). Built on Intel 3 nm process technology. Socket: LGA4710. Thermal design power (TDP): 350 Watt. Memory support: DDR5(6400MT/s), MRDIMM(8800MT/s). Passmark benchmark score: 117,946 points. Launch price was $8,960.
EPYC 9745
The EPYC 9745 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 128 cores and 256 threads. Base frequency is 2.4 GHz, with boost up to 3.7 GHz. L3 cache: 256 MB (total). L2 cache: 1 MB (per core). Built on 3 nm process technology. Socket: SP5. Thermal design power (TDP): 400 Watt. Memory support: DDR5. Passmark benchmark score: 130,698 points. Launch price was $12,141.
Processing Power
The Xeon 6781P packs 80 cores / 160 threads, while the EPYC 9745 offers 128 cores / 256 threads — the EPYC 9745 has 48 more cores. Boost clocks reach 3.8 GHz on the Xeon 6781P versus 3.7 GHz on the EPYC 9745 — a 2.7% clock advantage for the Xeon 6781P (base: 2 GHz vs 2.4 GHz). The Xeon 6781P uses the Granite Rapids (2024−2025) architecture (Intel 3 nm), while the EPYC 9745 uses Turin (2024) (3 nm). In PassMark, the Xeon 6781P scores 117,946 against the EPYC 9745's 130,698 — a 10.3% lead for the EPYC 9745. L3 cache: 336 MB (total) on the Xeon 6781P vs 256 MB (total) on the EPYC 9745.
| Feature | Xeon 6781P | EPYC 9745 |
|---|---|---|
| Cores / Threads | 80 / 160 | 128 / 256+60% |
| Boost Clock | 3.8 GHz+3% | 3.7 GHz |
| Base Clock | 2 GHz | 2.4 GHz+20% |
| L3 Cache | 336 MB (total)+31% | 256 MB (total) |
| L2 Cache | 2 MB (per core)+100% | 1 MB (per core) |
| Process | Intel 3 nm | 3 nm |
| Architecture | Granite Rapids (2024−2025) | Turin (2024) |
| PassMark | 117,946 | 130,698+11% |
Memory & Platform
The Xeon 6781P uses the LGA4710 socket (PCIe 4.0), while the EPYC 9745 uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-6400 memory speed. The EPYC 9745 supports up to 6 TB of RAM compared to 4 TB — 40% more capacity for professional workloads. Memory channels: 8 (Xeon 6781P) vs 12 (EPYC 9745). PCIe lanes: 136 (Xeon 6781P) vs 128 (EPYC 9745) — the Xeon 6781P offers 8 more lanes for additional GPUs or NVMe drives.
| Feature | Xeon 6781P | EPYC 9745 |
|---|---|---|
| Socket | LGA4710 | SP5 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR5-6400 | DDR5-6000 |
| Max RAM Capacity | 4 TB | 6 TB+50% |
| RAM Channels | 8 | 12+50% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 136+6% | 128 |
Advanced Features
Virtualization support: VT-x, VT-d, VT-x EPT (Xeon 6781P) vs AMD-V, SEV-SNP (EPYC 9745). Primary use case: Xeon 6781P targets Data Center / Cloud Scale, EPYC 9745 targets Data Center / High Density. Direct competitor: Xeon 6781P rivals EPYC 9655; EPYC 9745 rivals Xeon 6980P.
| Feature | Xeon 6781P | EPYC 9745 |
|---|---|---|
| Integrated GPU | No | No |
| Virtualization | VT-x, VT-d, VT-x EPT | AMD-V, SEV-SNP |
| Target Use | Data Center / Cloud Scale | Data Center / High Density |
Value Analysis
The Xeon 6781P launched at $8960 MSRP, while the EPYC 9745 debuted at $12141. At current prices ($8960 vs $10588), the Xeon 6781P is $1628 cheaper. In terms of value (PassMark points per dollar), the Xeon 6781P delivers 13.2 pts/$ vs 12.3 pts/$ for the EPYC 9745 — making the Xeon 6781P the 6.4% better value option.
| Feature | Xeon 6781P | EPYC 9745 |
|---|---|---|
| MSRP | $8960-26% | $12141 |
| Avg Price (30d) | $8960-15% | $10588 |
| Performance per Dollar | 13.2+7% | 12.3 |
| Release Date | 2025 | 2024 |
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