Ryzen 9 9950X3D vs Xeon Gold 6448H
Ryzen 9 9950X3D
Xeon Gold 6448H
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 9950X3D
Performance Per Dollar Xeon Gold 6448H
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 9950X3D | Xeon Gold 6448H |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($675) | ⚠️ Higher cost ($3,658) |
| Longevity | ✨ Modern (Granite Ridge (2024−2025) / 4 nm) | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) |
💎 Value Proposition
| Insight | Ryzen 9 9950X3D | Xeon Gold 6448H |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+441%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($675) | ⚠️ Higher cost ($3,658) |
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 9950X3D and Xeon Gold 6448H
Ryzen 9 9950X3D
The Ryzen 9 9950X3D 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 16 cores and 32 threads. Base frequency is 4.3 GHz, with boost up to 5.7 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 170 Watt. Memory support: DDR5. Passmark benchmark score: 70,177 points. Launch price was $699.
Xeon Gold 6448H
The Xeon Gold 6448H is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 32 cores and 64 threads. Base frequency is 2.4 GHz, with boost up to 4.1 GHz. L3 cache: 60 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 250 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 70,292 points. Launch price was $3,658.
Processing Power
The Ryzen 9 9950X3D packs 16 cores / 32 threads, while the Xeon Gold 6448H offers 32 cores / 64 threads — the Xeon Gold 6448H has 16 more cores. Boost clocks reach 5.7 GHz on the Ryzen 9 9950X3D versus 4.1 GHz on the Xeon Gold 6448H — a 32.7% clock advantage for the Ryzen 9 9950X3D (base: 4.3 GHz vs 2.4 GHz). The Ryzen 9 9950X3D uses the Granite Ridge (2024−2025) architecture (4 nm), while the Xeon Gold 6448H uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Ryzen 9 9950X3D scores 70,177 against the Xeon Gold 6448H's 70,292 — a 0.2% lead for the Xeon Gold 6448H. L3 cache: 128 MB (total) on the Ryzen 9 9950X3D vs 60 MB on the Xeon Gold 6448H.
| Feature | Ryzen 9 9950X3D | Xeon Gold 6448H |
|---|---|---|
| Cores / Threads | 16 / 32 | 32 / 64+100% |
| Boost Clock | 5.7 GHz+39% | 4.1 GHz |
| Base Clock | 4.3 GHz+79% | 2.4 GHz |
| L3 Cache | 128 MB (total)+113% | 60 MB |
| L2 Cache | 1 MB (per core) | 2 MB (per core)+100% |
| Process | 4 nm-43% | Intel 7 nm |
| Architecture | Granite Ridge (2024−2025) | Sapphire Rapids (2023−2024) |
| PassMark | 70,177 | 70,292 |
| Cinebench R23 Multi | 44,500 | — |
| Geekbench 6 Single | 3,398 | — |
| Geekbench 6 Multi | 22,206 | — |
Memory & Platform
The Ryzen 9 9950X3D uses the AM5 socket (PCIe 5.0), while the Xeon Gold 6448H uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Ryzen 9 9950X3D versus 4800 on the Xeon Gold 6448H — the Xeon Gold 6448H supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6448H supports up to 4096 of RAM compared to 192 GB — 182.1% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 9950X3D) vs 8 (Xeon Gold 6448H). PCIe lanes: 24 (Ryzen 9 9950X3D) vs 80 (Xeon Gold 6448H) — the Xeon Gold 6448H offers 56 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X670E,X670,B650E,B650 (Ryzen 9 9950X3D) and C741 (Xeon Gold 6448H).
| Feature | Ryzen 9 9950X3D | Xeon Gold 6448H |
|---|---|---|
| Socket | AM5 | LGA4677 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-5600 | 4800+95900% |
| Max RAM Capacity | 192 GB+4915100% | 4096 |
| RAM Channels | 2 | 8+300% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 24 | 80+233% |
Advanced Features
Only the Ryzen 9 9950X3D 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: true (Ryzen 9 9950X3D) vs VT-x, VT-d (Xeon Gold 6448H). The Ryzen 9 9950X3D includes integrated graphics (Radeon Graphics (2 Cores)), while the Xeon Gold 6448H requires a dedicated GPU. Direct competitor: Ryzen 9 9950X3D rivals Core Ultra 9 285K; Xeon Gold 6448H rivals EPYC 9454.
| Feature | Ryzen 9 9950X3D | Xeon Gold 6448H |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Radeon Graphics (2 Cores) | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | true | VT-x, VT-d |
Value Analysis
The Ryzen 9 9950X3D launched at $699 MSRP, while the Xeon Gold 6448H debuted at $3658.
| Feature | Ryzen 9 9950X3D | Xeon Gold 6448H |
|---|---|---|
| MSRP | $699-81% | $3658 |
| Avg Price (30d) | $675 | — |
| Release Date | 2025 | 2023 |
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