Xeon w5-2555X vs EPYC 9184X
Xeon w5-2555X
EPYC 9184X
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 9184X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon w5-2555X | EPYC 9184X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($1,145) | ⚠️ Higher cost ($3,750) |
| Longevity | ✨ Modern (Legacy / Intel 7 nm) | ✨ Modern (Genoa-X (2023) / 5 nm) |
💎 Value Proposition
| Insight | Xeon w5-2555X | EPYC 9184X |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+227%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($1,145) | ⚠️ Higher cost ($3,750) |
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 9184X
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 9184X
The EPYC 9184X is manufactured by AMD. It was released in 13 June 2023 (2 years ago). It is based on the Genoa-X (2023) architecture. It features 16 cores and 32 threads. Base frequency is 3.55 GHz, with boost up to 4.2 GHz. L3 cache: 768 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: SP5. Thermal design power (TDP): 320 Watt. Memory support: DDR5. Passmark benchmark score: 47,665 points. Launch price was $4,928.
Processing Power
The Xeon w5-2555X packs 14 cores / 28 threads, while the EPYC 9184X offers 16 cores / 32 threads — the EPYC 9184X has 2 more cores. Boost clocks reach 4.8 GHz on the Xeon w5-2555X versus 4.2 GHz on the EPYC 9184X — a 13.3% clock advantage for the Xeon w5-2555X (base: 3.3 GHz vs 3.55 GHz). The EPYC 9184X is built on the Genoa-X (2023) architecture. In PassMark, the Xeon w5-2555X scores 47,638 against the EPYC 9184X's 47,665 — a 0.1% lead for the EPYC 9184X. L3 cache: 33.75 MB Intel® Smart Cache on the Xeon w5-2555X vs 768 MB (total) on the EPYC 9184X.
| Feature | Xeon w5-2555X | EPYC 9184X |
|---|---|---|
| Cores / Threads | 14 / 28 | 16 / 32+14% |
| Boost Clock | 4.8 GHz+14% | 4.2 GHz |
| Base Clock | 3.3 GHz | 3.55 GHz+8% |
| L3 Cache | 33.75 MB Intel® Smart Cache | 768 MB (total)+2176% |
| L2 Cache | — | 1 MB (per core) |
| Process | Intel 7 nm | 5 nm-29% |
| Architecture | — | Genoa-X (2023) |
| PassMark | 47,638 | 47,665 |
Memory & Platform
The Xeon w5-2555X uses the LGA4677 socket (PCIe 5.0), while the EPYC 9184X uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to 4800 memory speed. The EPYC 9184X supports up to 6144 of RAM compared to 4096 — 40% more capacity for professional workloads. Memory channels: 8 (Xeon w5-2555X) vs 12 (EPYC 9184X). PCIe lanes: 112 (Xeon w5-2555X) vs 128 (EPYC 9184X) — the EPYC 9184X offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: W790 (Xeon w5-2555X) and SP5 (EPYC 9184X).
| Feature | Xeon w5-2555X | EPYC 9184X |
|---|---|---|
| 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 9184X). Direct competitor: Xeon w5-2555X rivals Threadripper PRO 7965WX; EPYC 9184X rivals Xeon Platinum 8468X.
| Feature | Xeon w5-2555X | EPYC 9184X |
|---|---|---|
| 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 9184X debuted at $4928. At current prices ($1145 vs $3750), the Xeon w5-2555X is $2605 cheaper. In terms of value (PassMark points per dollar), the Xeon w5-2555X delivers 41.6 pts/$ vs 12.7 pts/$ for the EPYC 9184X — making the Xeon w5-2555X the 106.4% better value option.
| Feature | Xeon w5-2555X | EPYC 9184X |
|---|---|---|
| MSRP | $1069-78% | $4928 |
| Avg Price (30d) | $1145-69% | $3750 |
| Performance per Dollar | 41.6+228% | 12.7 |
| Release Date | 2024 | 2023 |
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