
Xeon w5-2555X vs Xeon Platinum 8368Q

Xeon w5-2555X

Xeon Platinum 8368Q
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 Xeon Platinum 8368Q
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon w5-2555X | Xeon Platinum 8368Q |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($1,145) | ⚠️ Higher cost ($7,719) |
| Longevity | ✨ Modern (Legacy / Intel 7 nm) | ✨ Modern (Ice Lake-SP (2021) / 10 nm) |
💎 Value Proposition
| Insight | Xeon w5-2555X | Xeon Platinum 8368Q |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+588%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($1,145) | ⚠️ Higher cost ($7,719) |
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 Xeon Platinum 8368Q

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.

Xeon Platinum 8368Q
The Xeon Platinum 8368Q is manufactured by Intel. It was released in 2015-01-01. It is based on the Ice Lake-SP (2021) architecture. It features 38 cores and 76 threads. Base frequency is 2.6 GHz, with boost up to 3.7 GHz. L3 cache: 57 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 270 Watt. Memory support: DDR4-3200. Passmark benchmark score: 46,681 points. Launch price was $800.
Processing Power
The Xeon w5-2555X packs 14 cores / 28 threads, while the Xeon Platinum 8368Q offers 38 cores / 76 threads — the Xeon Platinum 8368Q has 24 more cores. Boost clocks reach 4.8 GHz on the Xeon w5-2555X versus 3.7 GHz on the Xeon Platinum 8368Q — a 25.9% clock advantage for the Xeon w5-2555X (base: 3.3 GHz vs 2.6 GHz). The Xeon Platinum 8368Q is built on the Ice Lake-SP (2021) architecture. In PassMark, the Xeon w5-2555X scores 47,638 against the Xeon Platinum 8368Q's 46,681 — a 2% lead for the Xeon w5-2555X. L3 cache: 33.75 MB Intel® Smart Cache on the Xeon w5-2555X vs 57 MB (total) on the Xeon Platinum 8368Q.
| Feature | Xeon w5-2555X | Xeon Platinum 8368Q |
|---|---|---|
| Cores / Threads | 14 / 28 | 38 / 76+171% |
| Boost Clock | 4.8 GHz+30% | 3.7 GHz |
| Base Clock | 3.3 GHz+27% | 2.6 GHz |
| L3 Cache | 33.75 MB Intel® Smart Cache | 57 MB (total)+69% |
| L2 Cache | — | 1 MB (per core) |
| Process | Intel 7 nm-30% | 10 nm |
| Architecture | — | Ice Lake-SP (2021) |
| PassMark | 47,638+2% | 46,681 |
Memory & Platform
The Xeon w5-2555X uses the LGA4677 socket (PCIe 5.0), while the Xeon Platinum 8368Q uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Xeon w5-2555X versus 3200 on the Xeon Platinum 8368Q — the Xeon w5-2555X supports 40% 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: 112 (Xeon w5-2555X) vs 128 (Xeon Platinum 8368Q) — the Xeon Platinum 8368Q offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: W790 (Xeon w5-2555X) and SP3,C621A (Xeon Platinum 8368Q).
| Feature | Xeon w5-2555X | Xeon Platinum 8368Q |
|---|---|---|
| Socket | LGA4677 | LGA4189 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | 4800+50% | 3200 |
| Max RAM Capacity | 4096 | 4096 |
| RAM Channels | 8 | 8 |
| 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. Both support VT-x, VT-d virtualization. Direct competitor: Xeon w5-2555X rivals Threadripper PRO 7965WX; Xeon Platinum 8368Q rivals Xeon Platinum 8362.
| Feature | Xeon w5-2555X | Xeon Platinum 8368Q |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
Value Analysis
The Xeon w5-2555X launched at $1069 MSRP, while the Xeon Platinum 8368Q debuted at $7719. At current prices ($1145 vs $7719), the Xeon w5-2555X is $6574 cheaper. In terms of value (PassMark points per dollar), the Xeon w5-2555X delivers 41.6 pts/$ vs 6.0 pts/$ for the Xeon Platinum 8368Q — making the Xeon w5-2555X the 149.2% better value option.
| Feature | Xeon w5-2555X | Xeon Platinum 8368Q |
|---|---|---|
| MSRP | $1069-86% | $7719 |
| Avg Price (30d) | $1145-85% | $7719 |
| Performance per Dollar | 41.6+593% | 6.0 |
| Release Date | 2024 | 2021 |
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