Xeon Gold 6444Y vs Xeon w5-2555X
Xeon Gold 6444Y
Xeon w5-2555X
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 Gold 6444Y
Performance Per Dollar Xeon w5-2555X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Gold 6444Y | Xeon w5-2555X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($3,622) | ✅ More affordable ($1,145) |
| Longevity | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) | ✨ Modern (Legacy / Intel 7 nm) |
💎 Value Proposition
| Insight | Xeon Gold 6444Y | Xeon w5-2555X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+219%) |
| Upfront Cost | ⚠️ Higher cost ($3,622) | ✅ More affordable ($1,145) |
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 Gold 6444Y and Xeon w5-2555X
Xeon Gold 6444Y
The Xeon Gold 6444Y is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 16 cores and 32 threads. Base frequency is 3.6 GHz, with boost up to 4 GHz. L3 cache: 45 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 270 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 47,176 points. Launch price was $1,517.
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.
Processing Power
The Xeon Gold 6444Y packs 16 cores / 32 threads, while the Xeon w5-2555X offers 14 cores / 28 threads — the Xeon Gold 6444Y has 2 more cores. Boost clocks reach 4 GHz on the Xeon Gold 6444Y versus 4.8 GHz on the Xeon w5-2555X — a 18.2% clock advantage for the Xeon w5-2555X (base: 3.6 GHz vs 3.3 GHz). The Xeon Gold 6444Y is built on the Sapphire Rapids (2023−2024) architecture. In PassMark, the Xeon Gold 6444Y scores 47,176 against the Xeon w5-2555X's 47,638 — a 1% lead for the Xeon w5-2555X. L3 cache: 45 MB on the Xeon Gold 6444Y vs 33.75 MB Intel® Smart Cache on the Xeon w5-2555X.
| Feature | Xeon Gold 6444Y | Xeon w5-2555X |
|---|---|---|
| Cores / Threads | 16 / 32+14% | 14 / 28 |
| Boost Clock | 4 GHz | 4.8 GHz+20% |
| Base Clock | 3.6 GHz+9% | 3.3 GHz |
| L3 Cache | 45 MB+33% | 33.75 MB Intel® Smart Cache |
| L2 Cache | 2 MB (per core) | — |
| Process | Intel 7 nm | Intel 7 nm |
| Architecture | Sapphire Rapids (2023−2024) | — |
| PassMark | 47,176 | 47,638 |
Memory & Platform
Both processors use the LGA4677 socket with PCIe 5.0. Maximum memory speed reaches 5600 on the Xeon Gold 6444Y versus 4800 on the Xeon w5-2555X — the Xeon Gold 6444Y supports 15.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4096 of RAM. Both feature 8-channel memory with ECC support. PCIe lanes: 80 (Xeon Gold 6444Y) vs 112 (Xeon w5-2555X) — the Xeon w5-2555X offers 32 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C741 (Xeon Gold 6444Y) and W790 (Xeon w5-2555X).
| Feature | Xeon Gold 6444Y | Xeon w5-2555X |
|---|---|---|
| Socket | LGA4677 | LGA4677 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | 5600+17% | 4800 |
| Max RAM Capacity | 4096 | 4096 |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 80 | 112+40% |
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. Both support VT-x, VT-d virtualization. Direct competitor: Xeon Gold 6444Y rivals EPYC 9384X; Xeon w5-2555X rivals Threadripper PRO 7965WX.
| Feature | Xeon Gold 6444Y | Xeon w5-2555X |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
Value Analysis
The Xeon Gold 6444Y launched at $3622 MSRP, while the Xeon w5-2555X debuted at $1069.
| Feature | Xeon Gold 6444Y | Xeon w5-2555X |
|---|---|---|
| MSRP | $3622 | $1069-70% |
| Avg Price (30d) | — | $1145 |
| Release Date | 2023 | 2024 |
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