
Xeon w5-2555X vs EPYC 9115

Xeon w5-2555X

EPYC 9115
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 w5-2555X
Performance Per Dollar EPYC 9115
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon w5-2555X | EPYC 9115 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($1,145) | ✅ More affordable ($726) |
| Longevity | ✨ Modern (Legacy / Intel 7 nm) | ✨ Modern (Turin (2024) / 4 nm) |
💎 Value Proposition
| Insight | Xeon w5-2555X | EPYC 9115 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+60%) |
| Upfront Cost | ⚠️ Higher cost ($1,145) | ✅ More affordable ($726) |
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 w5-2555X and EPYC 9115

Xeon w5-2555X
The Xeon w5-2555X is manufactured by Intel. It was released in 2015-01-01. It features 14 cores and 28 threads. Base frequency is 3.3 GHz, with boost up to 4.8 GHz. L3 cache: 33.75 MB Intel® Smart Cache. Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 252 Watt. Memory support: DDR5-4800. Passmark benchmark score: 47,638 points. Launch price was $800.

EPYC 9115
The EPYC 9115 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 16 cores and 32 threads. Base frequency is 2.6 GHz, with boost up to 4.1 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 125 Watt. Memory support: DDR5. Passmark benchmark score: 48,343 points. Launch price was $726.
Processing Power
The Xeon w5-2555X packs 14 cores / 28 threads, while the EPYC 9115 offers 16 cores / 32 threads — the EPYC 9115 has 2 more cores. Boost clocks reach 4.8 GHz on the Xeon w5-2555X versus 4.1 GHz on the EPYC 9115 — a 15.7% clock advantage for the Xeon w5-2555X (base: 3.3 GHz vs 2.6 GHz). The EPYC 9115 is built on the Turin (2024) architecture. In PassMark, the Xeon w5-2555X scores 47,638 against the EPYC 9115's 48,343 — a 1.5% lead for the EPYC 9115. L3 cache: 33.75 MB Intel® Smart Cache on the Xeon w5-2555X vs 64 MB (total) on the EPYC 9115.
| Feature | Xeon w5-2555X | EPYC 9115 |
|---|---|---|
| Cores / Threads | 14 / 28 | 16 / 32+14% |
| Boost Clock | 4.8 GHz+17% | 4.1 GHz |
| Base Clock | 3.3 GHz+27% | 2.6 GHz |
| L3 Cache | 33.75 MB Intel® Smart Cache | 64 MB (total)+90% |
| L2 Cache | — | 1 MB (per core) |
| Process | Intel 7 nm | 4 nm-43% |
| Architecture | — | Turin (2024) |
| PassMark | 47,638 | 48,343+1% |
Memory & Platform
The Xeon w5-2555X uses the LGA4677 socket (PCIe 5.0), while the EPYC 9115 uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to 4800 memory speed. The EPYC 9115 supports up to 6144 of RAM compared to 4096 — 40% more capacity for professional workloads. Memory channels: 8 (Xeon w5-2555X) vs 12 (EPYC 9115). PCIe lanes: 112 (Xeon w5-2555X) vs 128 (EPYC 9115) — the EPYC 9115 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: W790 (Xeon w5-2555X) and SP5 (EPYC 9115).
| Feature | Xeon w5-2555X | EPYC 9115 |
|---|---|---|
| Socket | LGA4677 | SP5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | 4800 | 4800 |
| Max RAM Capacity | 4096 | 6144+50% |
| RAM Channels | 8 | 12+50% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 112 | 128+14% |
Advanced Features
Only the Xeon w5-2555X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Xeon w5-2555X) vs VT-x, VT-d, AMD-V (EPYC 9115). Direct competitor: Xeon w5-2555X rivals Threadripper PRO 7965WX; EPYC 9115 rivals Xeon Platinum 8468X.
| Feature | Xeon w5-2555X | EPYC 9115 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d, AMD-V |
Value Analysis
The Xeon w5-2555X launched at $1069 MSRP, while the EPYC 9115 debuted at $726. At current prices ($1145 vs $726), the EPYC 9115 is $419 cheaper. In terms of value (PassMark points per dollar), the Xeon w5-2555X delivers 41.6 pts/$ vs 66.6 pts/$ for the EPYC 9115 — making the EPYC 9115 the 46.2% better value option.
| Feature | Xeon w5-2555X | EPYC 9115 |
|---|---|---|
| MSRP | $1069 | $726-32% |
| Avg Price (30d) | $1145 | $726-37% |
| Performance per Dollar | 41.6 | 66.6+60% |
| Release Date | 2024 | 2024 |
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