Xeon Platinum 8380 vs Ryzen 9 9955HX3D
Xeon Platinum 8380
Ryzen 9 9955HX3D
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 Platinum 8380
Performance Per Dollar Ryzen 9 9955HX3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Platinum 8380 | Ryzen 9 9955HX3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($965) | ✅ More affordable ($749) |
| Longevity | ✨ Modern (Ice Lake-SP (2021) / 10 nm) | ✨ Modern (Fire Range-HX (Zen 5) (2025) / 4 nm) |
💎 Value Proposition
| Insight | Xeon Platinum 8380 | Ryzen 9 9955HX3D |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+27%) |
| Upfront Cost | ⚠️ Higher cost ($965) | ✅ More affordable ($749) |
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 Platinum 8380 and Ryzen 9 9955HX3D
Xeon Platinum 8380
The Xeon Platinum 8380 is manufactured by Intel. It was released in 2021-04-06. It is based on the Ice Lake-SP (2021) architecture. It features 40 cores and 80 threads. Base frequency is 2.3 GHz, with boost up to 3.4 GHz. L3 cache: 60 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: 62,318 points. Launch price was $5,846.
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.
Processing Power
The Xeon Platinum 8380 packs 40 cores / 80 threads, while the Ryzen 9 9955HX3D offers 16 cores / 32 threads — the Xeon Platinum 8380 has 24 more cores. Boost clocks reach 3.4 GHz on the Xeon Platinum 8380 versus 5.4 GHz on the Ryzen 9 9955HX3D — a 45.5% clock advantage for the Ryzen 9 9955HX3D (base: 2.3 GHz vs 2.5 GHz). The Xeon Platinum 8380 uses the Ice Lake-SP (2021) architecture (10 nm), while the Ryzen 9 9955HX3D uses Fire Range-HX (Zen 5) (2025) (4 nm). In PassMark, the Xeon Platinum 8380 scores 62,318 against the Ryzen 9 9955HX3D's 61,578 — a 1.2% lead for the Xeon Platinum 8380. L3 cache: 60 MB (total) on the Xeon Platinum 8380 vs 128 MB (total) on the Ryzen 9 9955HX3D.
| Feature | Xeon Platinum 8380 | Ryzen 9 9955HX3D |
|---|---|---|
| Cores / Threads | 40 / 80+150% | 16 / 32 |
| Boost Clock | 3.4 GHz | 5.4 GHz+59% |
| Base Clock | 2.3 GHz | 2.5 GHz+9% |
| L3 Cache | 60 MB (total) | 128 MB (total)+113% |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 10 nm | 4 nm-60% |
| Architecture | Ice Lake-SP (2021) | Fire Range-HX (Zen 5) (2025) |
| PassMark | 62,318+1% | 61,578 |
| Geekbench 6 Single | 1,300 | — |
| Geekbench 6 Multi | 40,000 | — |
Memory & Platform
The Xeon Platinum 8380 uses the LGA4189 socket (PCIe 4.0), while the Ryzen 9 9955HX3D uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Xeon Platinum 8380 versus 5600 on the Ryzen 9 9955HX3D — the Ryzen 9 9955HX3D supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Platinum 8380 supports up to 6144 GB of RAM compared to 96 — 193.8% more capacity for professional workloads. Memory channels: 8 (Xeon Platinum 8380) vs 2 (Ryzen 9 9955HX3D). PCIe lanes: 64 (Xeon Platinum 8380) vs 28 (Ryzen 9 9955HX3D) — the Xeon Platinum 8380 offers 36 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C621A (Xeon Platinum 8380) and FL1 (Ryzen 9 9955HX3D).
| Feature | Xeon Platinum 8380 | Ryzen 9 9955HX3D |
|---|---|---|
| Socket | LGA4189 | FL1 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR4-3200 | 5600+139900% |
| Max RAM Capacity | 6144 GB+6710886300% | 96 |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 64+129% | 28 |
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 (Xeon Platinum 8380) vs VT-x, VT-d, AMD-V (Ryzen 9 9955HX3D). The Ryzen 9 9955HX3D includes integrated graphics (AMD Radeon 610M), while the Xeon Platinum 8380 requires a dedicated GPU. Primary use case: Xeon Platinum 8380 targets Datacenter. Direct competitor: Xeon Platinum 8380 rivals EPYC 7543; Ryzen 9 9955HX3D rivals Core Ultra 9 185H.
| Feature | Xeon Platinum 8380 | Ryzen 9 9955HX3D |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | AMD Radeon 610M |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d, AMD-V |
| Target Use | Datacenter | — |
Value Analysis
The Xeon Platinum 8380 launched at $2010 MSRP, while the Ryzen 9 9955HX3D debuted at $749.
| Feature | Xeon Platinum 8380 | Ryzen 9 9955HX3D |
|---|---|---|
| MSRP | $2010 | $749-63% |
| Avg Price (30d) | $965 | — |
| Release Date | 2021 | 2025 |
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