Ryzen 9 9955HX3D vs Xeon Gold 5520+
Ryzen 9 9955HX3D
Xeon Gold 5520+
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 Ryzen 9 9955HX3D
Performance Per Dollar Xeon Gold 5520+
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 9955HX3D | Xeon Gold 5520+ |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($749) | ⚠️ Higher cost ($764) |
| Longevity | ✨ Modern (Fire Range-HX (Zen 5) (2025) / 4 nm) | ✨ Modern (Emerald Rapids (2023) / 10 nm) |
💎 Value Proposition
| Insight | Ryzen 9 9955HX3D | Xeon Gold 5520+ |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+3%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($749) | ⚠️ Higher cost ($764) |
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 Ryzen 9 9955HX3D and Xeon Gold 5520+
Ryzen 9 9955HX3D
The Ryzen 9 9955HX3D is manufactured by AMD. It was released in 2025-01-01. It is based on the Fire Range-HX (Zen 5) (2025) architecture. It features 16 cores and 32 threads. Base frequency is 2.5 GHz, with boost up to 5.4 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 61,578 points. Launch price was $700.
Xeon Gold 5520+
The Xeon Gold 5520+ 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 28 cores and 56 threads. Base frequency is 2.2 GHz, with boost up to 4 GHz. L3 cache: 52.5 MB (total). L2 cache: 2 MB (per core). Built on 10 nm process technology. Socket: LGA4677. Thermal design power (TDP): 205 Watt. Memory support: DDR5. Passmark benchmark score: 61,227 points. Launch price was $1,640.
Processing Power
The Ryzen 9 9955HX3D packs 16 cores / 32 threads, while the Xeon Gold 5520+ offers 28 cores / 56 threads — the Xeon Gold 5520+ has 12 more cores. Boost clocks reach 5.4 GHz on the Ryzen 9 9955HX3D versus 4 GHz on the Xeon Gold 5520+ — a 29.8% clock advantage for the Ryzen 9 9955HX3D (base: 2.5 GHz vs 2.2 GHz). The Ryzen 9 9955HX3D uses the Fire Range-HX (Zen 5) (2025) architecture (4 nm), while the Xeon Gold 5520+ uses Emerald Rapids (2023) (10 nm). In PassMark, the Ryzen 9 9955HX3D scores 61,578 against the Xeon Gold 5520+'s 61,227 — a 0.6% lead for the Ryzen 9 9955HX3D. L3 cache: 128 MB (total) on the Ryzen 9 9955HX3D vs 52.5 MB (total) on the Xeon Gold 5520+.
| Feature | Ryzen 9 9955HX3D | Xeon Gold 5520+ |
|---|---|---|
| Cores / Threads | 16 / 32 | 28 / 56+75% |
| Boost Clock | 5.4 GHz+35% | 4 GHz |
| Base Clock | 2.5 GHz+14% | 2.2 GHz |
| L3 Cache | 128 MB (total)+144% | 52.5 MB (total) |
| L2 Cache | 1 MB (per core) | 2 MB (per core)+100% |
| Process | 4 nm-60% | 10 nm |
| Architecture | Fire Range-HX (Zen 5) (2025) | Emerald Rapids (2023) |
| PassMark | 61,578 | 61,227 |
| Geekbench 6 Single | — | 1,600 |
| Geekbench 6 Multi | — | 25,000 |
Memory & Platform
The Ryzen 9 9955HX3D uses the FL1 socket (PCIe 5.0), while the Xeon Gold 5520+ uses LGA4677 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the Ryzen 9 9955HX3D versus DDR5-4800 on the Xeon Gold 5520+ — the Ryzen 9 9955HX3D supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 5520+ supports up to 4096 GB of RAM compared to 96 — 190.8% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 9955HX3D) vs 8 (Xeon Gold 5520+). PCIe lanes: 28 (Ryzen 9 9955HX3D) vs 80 (Xeon Gold 5520+) — the Xeon Gold 5520+ offers 52 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FL1 (Ryzen 9 9955HX3D) and C741 (Xeon Gold 5520+).
| Feature | Ryzen 9 9955HX3D | Xeon Gold 5520+ |
|---|---|---|
| Socket | FL1 | LGA4677 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | 5600+111900% | DDR5-4800 |
| Max RAM Capacity | 96 | 4096 GB+4473924167% |
| RAM Channels | 2 | 8+300% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28 | 80+186% |
Advanced Features
Only the Ryzen 9 9955HX3D 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, AMD-V (Ryzen 9 9955HX3D) vs VT-x, VT-d (Xeon Gold 5520+). The Ryzen 9 9955HX3D includes integrated graphics (AMD Radeon 610M), while the Xeon Gold 5520+ requires a dedicated GPU. Primary use case: Xeon Gold 5520+ targets Enterprise Server. Direct competitor: Ryzen 9 9955HX3D rivals Core Ultra 9 185H; Xeon Gold 5520+ rivals EPYC 9354.
| Feature | Ryzen 9 9955HX3D | Xeon Gold 5520+ |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | AMD Radeon 610M | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, AMD-V | VT-x, VT-d |
| Target Use | — | Enterprise Server |
Value Analysis
The Ryzen 9 9955HX3D launched at $749 MSRP, while the Xeon Gold 5520+ debuted at $1083.
| Feature | Ryzen 9 9955HX3D | Xeon Gold 5520+ |
|---|---|---|
| MSRP | $749-31% | $1083 |
| Avg Price (30d) | — | $764 |
| Release Date | 2025 | 2023 |
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