Xeon 6747P vs EPYC 9455P
Xeon 6747P
EPYC 9455P
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 6747P
Performance Per Dollar EPYC 9455P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon 6747P | EPYC 9455P |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($6,497) | ✅ More affordable ($4,366) |
| Longevity | ✨ Modern (Granite Rapids (2024−2025) / Intel 3 nm) | ✨ Modern (Turin (2024) / 4 nm) |
💎 Value Proposition
| Insight | Xeon 6747P | EPYC 9455P |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+71%) |
| Upfront Cost | ⚠️ Higher cost ($6,497) | ✅ More affordable ($4,366) |
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 6747P and EPYC 9455P
Xeon 6747P
The Xeon 6747P 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 48 cores and 96 threads. Base frequency is 2.7 GHz, with boost up to 3.9 GHz. L3 cache: 288 MB (total). L2 cache: 2 MB (per core). Built on Intel 3 nm process technology. Socket: LGA4710. Thermal design power (TDP): 330 Watt. Memory support: DDR5(6400MT/s), MRDIMM(8800MT/s). Passmark benchmark score: 101,685 points. Launch price was $6,497.
EPYC 9455P
The EPYC 9455P is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 48 cores and 96 threads. Base frequency is 3.15 GHz, with boost up to 4.4 GHz. L3 cache: 256 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 300 Watt. Memory support: DDR5. Passmark benchmark score: 116,926 points. Launch price was $4,819.
Processing Power
Both the Xeon 6747P and EPYC 9455P share an identical 48-core/96-thread configuration. Boost clocks reach 3.9 GHz on the Xeon 6747P versus 4.4 GHz on the EPYC 9455P — a 12% clock advantage for the EPYC 9455P (base: 2.7 GHz vs 3.15 GHz). The Xeon 6747P uses the Granite Rapids (2024−2025) architecture (Intel 3 nm), while the EPYC 9455P uses Turin (2024) (4 nm). In PassMark, the Xeon 6747P scores 101,685 against the EPYC 9455P's 116,926 — a 13.9% lead for the EPYC 9455P. Geekbench 6 single-core — the metric most relevant to gaming — records 2,000 vs 1,962, a 1.9% lead for the Xeon 6747P that directly translates to higher frame rates. Multi-core Geekbench: 45,000 vs 1,898 (183.8% advantage for the Xeon 6747P). L3 cache: 288 MB (total) on the Xeon 6747P vs 256 MB (total) on the EPYC 9455P.
| Feature | Xeon 6747P | EPYC 9455P |
|---|---|---|
| Cores / Threads | 48 / 96 | 48 / 96 |
| Boost Clock | 3.9 GHz | 4.4 GHz+13% |
| Base Clock | 2.7 GHz | 3.15 GHz+17% |
| L3 Cache | 288 MB (total)+13% | 256 MB (total) |
| L2 Cache | 2 MB (per core)+100% | 1 MB (per core) |
| Process | Intel 3 nm-25% | 4 nm |
| Architecture | Granite Rapids (2024−2025) | Turin (2024) |
| PassMark | 101,685 | 116,926+15% |
| Geekbench 6 Single | 2,000+2% | 1,962 |
| Geekbench 6 Multi | 45,000+2271% | 1,898 |
Memory & Platform
The Xeon 6747P uses the LGA4710 socket (PCIe 4.0), while the EPYC 9455P uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-6400 memory speed. The Xeon 6747P supports up to 4096 GB of RAM compared to 9 TB — 199.1% more capacity for professional workloads. Memory channels: 8 (Xeon 6747P) vs 12 (EPYC 9455P). PCIe lanes: 88 (Xeon 6747P) vs 128 (EPYC 9455P) — the EPYC 9455P offers 40 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C741 (Xeon 6747P) and SP5 (EPYC 9455P).
| Feature | Xeon 6747P | EPYC 9455P |
|---|---|---|
| Socket | LGA4710 | SP5 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR5-6400 | DDR5-6000 |
| Max RAM Capacity | 4096 GB | 9 TB+125% |
| RAM Channels | 8 | 12+50% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 88 | 128+45% |
Advanced Features
Virtualization support: VT-x, VT-d (Xeon 6747P) vs AMD-V, SEV-SNP (EPYC 9455P). Primary use case: Xeon 6747P targets High Performance Server, EPYC 9455P targets Data Center / Single Socket. Direct competitor: Xeon 6747P rivals EPYC 9555; EPYC 9455P rivals Xeon 6766E.
| Feature | Xeon 6747P | EPYC 9455P |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | — |
| Unlocked | No | — |
| AVX-512 | Yes | — |
| Virtualization | VT-x, VT-d | AMD-V, SEV-SNP |
| Target Use | High Performance Server | Data Center / Single Socket |
Value Analysis
The Xeon 6747P launched at $6497 MSRP, while the EPYC 9455P debuted at $4819. At current prices ($6497 vs $4366), the EPYC 9455P is $2131 cheaper. In terms of value (PassMark points per dollar), the Xeon 6747P delivers 15.7 pts/$ vs 26.8 pts/$ for the EPYC 9455P — making the EPYC 9455P the 52.5% better value option.
| Feature | Xeon 6747P | EPYC 9455P |
|---|---|---|
| MSRP | $6497 | $4819-26% |
| Avg Price (30d) | $6497 | $4366-33% |
| Performance per Dollar | 15.7 | 26.8+71% |
| Release Date | 2025 | 2024 |
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