CPU
GPU
Xeon Platinum 8358
Ryzen 9 9900X3D
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 8358
Performance Per Dollar Ryzen 9 9900X3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Platinum 8358 | Ryzen 9 9900X3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($3,145) | ✅ More affordable ($589) |
| Longevity | ✨ Modern (Ice Lake-SP (2021) / 10 nm) | ✨ Modern (Granite Ridge (2024−2025) / 4 nm) |
💎 Value Proposition
| Insight | Xeon Platinum 8358 | Ryzen 9 9900X3D |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+452%) |
| Upfront Cost | ⚠️ Higher cost ($3,145) | ✅ More affordable ($589) |
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 8358 and Ryzen 9 9900X3D
Xeon Platinum 8358
The Xeon Platinum 8358 is manufactured by Intel. It was released in 2021-04-06. It is based on the Ice Lake-SP (2021) architecture. It features 32 cores and 64 threads. Base frequency is 2.6 GHz, with boost up to 3.4 GHz. L3 cache: 48 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 250 Watt. Memory support: DDR4-3200. Passmark benchmark score: 54,416 points. Launch price was $3,950.
Ryzen 9 9900X3D
The Ryzen 9 9900X3D is manufactured by AMD. It was released in 6 January 2025 (less than a year ago). It is based on the Granite Ridge (2024−2025) architecture. It features 12 cores and 24 threads. Base frequency is 4.4 GHz, with boost up to 5.5 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5. Passmark benchmark score: 56,301 points. Launch price was $599.
Processing Power
The Xeon Platinum 8358 packs 32 cores / 64 threads, while the Ryzen 9 9900X3D offers 12 cores / 24 threads — the Xeon Platinum 8358 has 20 more cores. Boost clocks reach 3.4 GHz on the Xeon Platinum 8358 versus 5.5 GHz on the Ryzen 9 9900X3D — a 47.2% clock advantage for the Ryzen 9 9900X3D (base: 2.6 GHz vs 4.4 GHz). The Xeon Platinum 8358 uses the Ice Lake-SP (2021) architecture (10 nm), while the Ryzen 9 9900X3D uses Granite Ridge (2024−2025) (4 nm). In PassMark, the Xeon Platinum 8358 scores 54,416 against the Ryzen 9 9900X3D's 56,301 — a 3.4% lead for the Ryzen 9 9900X3D. L3 cache: 48 MB (total) on the Xeon Platinum 8358 vs 128 MB (total) on the Ryzen 9 9900X3D.
| Feature | Xeon Platinum 8358 | Ryzen 9 9900X3D |
|---|---|---|
| Cores / Threads | 32 / 64+167% | 12 / 24 |
| Boost Clock | 3.4 GHz | 5.5 GHz+62% |
| Base Clock | 2.6 GHz | 4.4 GHz+69% |
| L3 Cache | 48 MB (total) | 128 MB (total)+167% |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 10 nm | 4 nm-60% |
| Architecture | Ice Lake-SP (2021) | Granite Ridge (2024−2025) |
| PassMark | 54,416 | 56,301+3% |
| Geekbench 6 Single | — | 3,400 |
| Geekbench 6 Multi | — | 26,000 |
Memory & Platform
The Xeon Platinum 8358 uses the LGA4189 socket (PCIe 4.0), while the Ryzen 9 9900X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the Xeon Platinum 8358 versus DDR5-5600 on the Ryzen 9 9900X3D — the Xeon Platinum 8358 supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Platinum 8358 supports up to 4096 of RAM compared to 192 GB — 182.1% more capacity for professional workloads. Memory channels: 8 (Xeon Platinum 8358) vs 2 (Ryzen 9 9900X3D). PCIe lanes: 64 (Xeon Platinum 8358) vs 24 (Ryzen 9 9900X3D) — the Xeon Platinum 8358 offers 40 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C621A (Xeon Platinum 8358) and X670,X670E,X870,X870E (Ryzen 9 9900X3D).
| Feature | Xeon Platinum 8358 | Ryzen 9 9900X3D |
|---|---|---|
| Socket | LGA4189 | AM5 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 3200+63900% | DDR5-5600 |
| Max RAM Capacity | 4096 | 192 GB+4915100% |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 64+167% | 24 |
Advanced Features
Only the Ryzen 9 9900X3D 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 8358) vs AMD-V (Ryzen 9 9900X3D). The Ryzen 9 9900X3D includes integrated graphics (AMD Radeon Graphics (2 Cores)), while the Xeon Platinum 8358 requires a dedicated GPU. Primary use case: Ryzen 9 9900X3D targets High End Gaming/Creation. Direct competitor: Xeon Platinum 8358 rivals EPYC 7543; Ryzen 9 9900X3D rivals Core Ultra 9 285K.
| Feature | Xeon Platinum 8358 | Ryzen 9 9900X3D |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | AMD Radeon Graphics (2 Cores) |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | AMD-V |
| Target Use | — | High End Gaming/Creation |
Value Analysis
The Xeon Platinum 8358 launched at $4607 MSRP, while the Ryzen 9 9900X3D debuted at $599. At current prices ($3145 vs $589), the Ryzen 9 9900X3D is $2556 cheaper. In terms of value (PassMark points per dollar), the Xeon Platinum 8358 delivers 17.3 pts/$ vs 95.6 pts/$ for the Ryzen 9 9900X3D — making the Ryzen 9 9900X3D the 138.7% better value option.
| Feature | Xeon Platinum 8358 | Ryzen 9 9900X3D |
|---|---|---|
| MSRP | $4607 | $599-87% |
| Avg Price (30d) | $3145 | $589-81% |
| Performance per Dollar | 17.3 | 95.6+453% |
| Release Date | 2021 | 2025 |
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