
Core Ultra 7 255HX

Xeon Gold 6554S
Core Ultra 7 255HX vs Xeon Gold 6554S Performance Spectrum
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.
Core Ultra 7 255HX vs Xeon Gold 6554S FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Core Ultra 7 255HX vs Xeon Gold 6554S: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Core Ultra 7 255HX
2025Why buy it
- ✅Better for gaming: +13.5% higher average FPS across 50 shared CPU benchmark tests.
- ✅Draws 55W instead of 270W, a 215W reduction.
- ✅Integrated graphics onboard with Intel Arc Xe-LPG, while Xeon Gold 6554S needs a discrete GPU.
Trade-offs
- ❌Lower PassMark (49,765 vs 50,777).
- ❌Smaller total L3 cache (30 MB vs 180 MB).
- ❌Less compelling for workstation-style loads than Xeon Gold 6554S, which brings 36 cores / 72 threads and 80 PCIe lanes.
Xeon Gold 6554S
2023Why buy it
- ✅+2% higher PassMark.
- ✅+500% larger total L3 cache (180 MB vs 30 MB).
- ✅Better for workstations and heavier parallel workloads: 36 cores / 72 threads, plus 80 PCIe lanes vs 24.
- ✅233.3% more PCIe lanes (80 vs 24) for storage and expansion-heavy builds.
Trade-offs
- ❌Worse for gaming: lower average FPS than Core Ultra 7 255HX across 50 shared CPU benchmark tests.
- ❌Launch MSRP is still $3,157 MSRP, while Core Ultra 7 255HX mostly shows up through inconsistent older-market listings.
- ❌390.9% higher power demand at 270W vs 55W.
- ❌No integrated graphics, while Core Ultra 7 255HX can still boot and troubleshoot without a discrete GPU.
Quick Answers
So, is Core Ultra 7 255HX better than Xeon Gold 6554S?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Core Ultra 7 255HX vs Xeon Gold 6554S Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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.

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.
Processing Power
The Core Ultra 7 255HX packs 20 cores / 20 threads, while the Xeon Gold 6554S offers 36 cores / 72 threads — the Xeon Gold 6554S has 16 more cores. Boost clocks reach 5.2 GHz on the Core Ultra 7 255HX versus 4 GHz on the Xeon Gold 6554S — a 26.1% clock advantage for the Core Ultra 7 255HX (base: 2.4 GHz vs 2.2 GHz). The Core Ultra 7 255HX uses the Arrow Lake-HX (2025) architecture (3 nm), while the Xeon Gold 6554S uses Emerald Rapids (2023) (Intel 7 nm). In PassMark, the Core Ultra 7 255HX scores 49,765 against the Xeon Gold 6554S's 50,777 — a 2% lead for the Xeon Gold 6554S. L3 cache: 30 MB (total) on the Core Ultra 7 255HX vs 180 MB (total) on the Xeon Gold 6554S.
| Feature | Core Ultra 7 255HX | Xeon Gold 6554S |
|---|---|---|
| Cores / Threads | 20 / 20 | 36 / 72+80% |
| Boost Clock | 5.2 GHz+30% | 4 GHz |
| Base Clock | 2.4 GHz+9% | 2.2 GHz |
| L3 Cache | 30 MB (total) | 180 MB (total)+500% |
| L2 Cache | 3 MB (per core)+50% | 2 MB (per core) |
| Process | 3 nm-57% | Intel 7 nm |
| Architecture | Arrow Lake-HX (2025) | Emerald Rapids (2023) |
| PassMark | 49,765 | 50,777+2% |
| Geekbench 6 Single | 2,923 | — |
| Geekbench 6 Multi | 16,885 | — |
Memory & Platform
The Core Ultra 7 255HX uses the FCBGA2114 socket (PCIe 5.0), while the Xeon Gold 6554S uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 7 255HX versus 5200 on the Xeon Gold 6554S — the Core Ultra 7 255HX supports 23.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6554S supports up to 4096 GB of RAM compared to 192 GB — 2033.3% more capacity for professional workloads. Memory channels: 2 (Core Ultra 7 255HX) vs 8 (Xeon Gold 6554S). PCIe lanes: 24 (Core Ultra 7 255HX) vs 80 (Xeon Gold 6554S) — the Xeon Gold 6554S offers 56 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel HM870,Intel WM880 (Core Ultra 7 255HX) and C741 (Xeon Gold 6554S).
| Feature | Core Ultra 7 255HX | Xeon Gold 6554S |
|---|---|---|
| Socket | FCBGA2114 | LGA4677 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-6400+23% | 5200 |
| Max RAM Capacity | 192 GB | 4096 GB+2033% |
| RAM Channels | 2 | 8+300% |
| ECC Support | No | Yes |
| PCIe Lanes | 24 | 80+233% |
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: true (Core Ultra 7 255HX) vs VT-x, VT-d (Xeon Gold 6554S). The Core Ultra 7 255HX includes integrated graphics (Intel Arc Xe-LPG), while the Xeon Gold 6554S requires a dedicated GPU. Direct competitor: Core Ultra 7 255HX rivals Ryzen 9 9850HX; Xeon Gold 6554S rivals EPYC 9384X.
| Feature | Core Ultra 7 255HX | Xeon Gold 6554S |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel Arc Xe-LPG | None |
| Unlocked | Yes | No |
| AVX-512 | No | Yes |
| Virtualization | true | VT-x, VT-d |
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