Xeon Gold 6554S vs Core Ultra 7 255HX
Xeon Gold 6554S
Core Ultra 7 255HX
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 6554S
Performance Per Dollar Core Ultra 7 255HX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Gold 6554S | Core Ultra 7 255HX |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($2,836) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Emerald Rapids (2023) / Intel 7 nm) | ✨ Modern (Arrow Lake-HX (2025) / 3 nm) |
💎 Value Proposition
| Insight | Xeon Gold 6554S | Core Ultra 7 255HX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($2,836) | ✅ More affordable ($0) |
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 6554S and Core Ultra 7 255HX
Xeon Gold 6554S
The Xeon Gold 6554S is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Emerald Rapids (2023) architecture. It features 36 cores and 72 threads. Base frequency is 2.2 GHz, with boost up to 4 GHz. L3 cache: 180 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 270 Watt. Memory support: DDR5 @ 5200 MT/s (1 DPC). Passmark benchmark score: 50,777 points. Launch price was $3,157.
Core Ultra 7 255HX
The Core Ultra 7 255HX is manufactured by Intel. It was released in 2025-01-01. It is based on the Arrow Lake-HX (2025) architecture. It features 20 cores and 20 threads. Base frequency is 2.4 GHz, with boost up to 5.2 GHz. L3 cache: 30 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: FCBGA2114. Thermal design power (TDP): 55 Watt. Memory support: DDR5-6400. Passmark benchmark score: 49,765 points. Launch price was $450.
Processing Power
The Xeon Gold 6554S packs 36 cores / 72 threads, while the Core Ultra 7 255HX offers 20 cores / 20 threads — the Xeon Gold 6554S has 16 more cores. Boost clocks reach 4 GHz on the Xeon Gold 6554S versus 5.2 GHz on the Core Ultra 7 255HX — a 26.1% clock advantage for the Core Ultra 7 255HX (base: 2.2 GHz vs 2.4 GHz). The Xeon Gold 6554S uses the Emerald Rapids (2023) architecture (Intel 7 nm), while the Core Ultra 7 255HX uses Arrow Lake-HX (2025) (3 nm). In PassMark, the Xeon Gold 6554S scores 50,777 against the Core Ultra 7 255HX's 49,765 — a 2% lead for the Xeon Gold 6554S. L3 cache: 180 MB (total) on the Xeon Gold 6554S vs 30 MB (total) on the Core Ultra 7 255HX.
| Feature | Xeon Gold 6554S | Core Ultra 7 255HX |
|---|---|---|
| Cores / Threads | 36 / 72+80% | 20 / 20 |
| Boost Clock | 4 GHz | 5.2 GHz+30% |
| Base Clock | 2.2 GHz | 2.4 GHz+9% |
| L3 Cache | 180 MB (total)+500% | 30 MB (total) |
| L2 Cache | 2 MB (per core) | 3 MB (per core)+50% |
| Process | Intel 7 nm | 3 nm-57% |
| Architecture | Emerald Rapids (2023) | Arrow Lake-HX (2025) |
| PassMark | 50,777+2% | 49,765 |
| Geekbench 6 Single | — | 2,923 |
| Geekbench 6 Multi | — | 16,885 |
Memory & Platform
The Xeon Gold 6554S uses the LGA4677 socket (PCIe 5.0), while the Core Ultra 7 255HX uses FCBGA2114 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5200 on the Xeon Gold 6554S versus DDR5-6400 on the Core Ultra 7 255HX — the Xeon Gold 6554S supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6554S supports up to 4096 of RAM compared to 192 GB — 182.1% more capacity for professional workloads. Memory channels: 8 (Xeon Gold 6554S) vs 2 (Core Ultra 7 255HX). PCIe lanes: 80 (Xeon Gold 6554S) vs 24 (Core Ultra 7 255HX) — the Xeon Gold 6554S offers 56 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C741 (Xeon Gold 6554S) and Intel HM870,Intel WM880 (Core Ultra 7 255HX).
| Feature | Xeon Gold 6554S | Core Ultra 7 255HX |
|---|---|---|
| Socket | LGA4677 | FCBGA2114 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | 5200+103900% | DDR5-6400 |
| Max RAM Capacity | 4096 | 192 GB+4915100% |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 80+233% | 24 |
Advanced Features
Only the Core Ultra 7 255HX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon Gold 6554S supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Xeon Gold 6554S) vs true (Core Ultra 7 255HX). The Core Ultra 7 255HX includes integrated graphics (Intel Arc Xe-LPG), while the Xeon Gold 6554S requires a dedicated GPU. Direct competitor: Xeon Gold 6554S rivals EPYC 9384X; Core Ultra 7 255HX rivals Ryzen 9 9850HX.
| Feature | Xeon Gold 6554S | Core Ultra 7 255HX |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Intel Arc Xe-LPG |
| Unlocked | No | Yes |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d | true |
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