CPU
GPU
Ryzen 9 7900X
Xeon 6511P
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 7900X
Performance Per Dollar Xeon 6511P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 7900X | Xeon 6511P |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($316) | ⚠️ Higher cost ($815) |
| Longevity | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) | ✨ Modern (Granite Rapids (2024−2025) / Intel 3 nm) |
💎 Value Proposition
| Insight | Ryzen 9 7900X | Xeon 6511P |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+158%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($316) | ⚠️ Higher cost ($815) |
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 7900X and Xeon 6511P
Ryzen 9 7900X
The Ryzen 9 7900X is manufactured by AMD. It was released in 2022-09-27. It is based on the Raphael (Zen4) (2022−2023) architecture. It features 12 cores and 24 threads. Base frequency is 4.7 GHz, with boost up to 5.6 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 170 Watt. Memory support: DDR5-5200. Passmark benchmark score: 51,329 points. Launch price was $549.
Xeon 6511P
The Xeon 6511P is manufactured by Intel. It was released in 24 February 2025 (less than a year ago). It is based on the Granite Rapids (2024−2025) architecture. It features 16 cores and 32 threads. Base frequency is 2.3 GHz, with boost up to 4.2 GHz. L3 cache: 72 MB (total). L2 cache: 2 MB (per core). Built on Intel 3 nm process technology. Socket: LGA4710. Thermal design power (TDP): 150 Watt. Memory support: DDR5(6400MT/s). Passmark benchmark score: 51,286 points. Launch price was $815.
Processing Power
The Ryzen 9 7900X packs 12 cores / 24 threads, while the Xeon 6511P offers 16 cores / 32 threads — the Xeon 6511P has 4 more cores. Boost clocks reach 5.6 GHz on the Ryzen 9 7900X versus 4.2 GHz on the Xeon 6511P — a 28.6% clock advantage for the Ryzen 9 7900X (base: 4.7 GHz vs 2.3 GHz). The Ryzen 9 7900X uses the Raphael (Zen4) (2022−2023) architecture (5 nm), while the Xeon 6511P uses Granite Rapids (2024−2025) (Intel 3 nm). In PassMark, the Ryzen 9 7900X scores 51,329 against the Xeon 6511P's 51,286 — a 0.1% lead for the Ryzen 9 7900X. L3 cache: 64 MB (total) on the Ryzen 9 7900X vs 72 MB (total) on the Xeon 6511P.
| Feature | Ryzen 9 7900X | Xeon 6511P |
|---|---|---|
| Cores / Threads | 12 / 24 | 16 / 32+33% |
| Boost Clock | 5.6 GHz+33% | 4.2 GHz |
| Base Clock | 4.7 GHz+104% | 2.3 GHz |
| L3 Cache | 64 MB (total) | 72 MB (total)+13% |
| L2 Cache | 1 MB (per core) | 2 MB (per core)+100% |
| Process | 5 nm | Intel 3 nm-40% |
| Architecture | Raphael (Zen4) (2022−2023) | Granite Rapids (2024−2025) |
| PassMark | 51,329 | 51,286 |
| Cinebench R23 Multi | 29,557 | — |
| Geekbench 6 Single | — | 1,800 |
| Geekbench 6 Multi | — | 20,000 |
Memory & Platform
The Ryzen 9 7900X uses the AM5 socket (PCIe 5.0), while the Xeon 6511P uses LGA4710 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-5200 memory speed. The Xeon 6511P supports up to 4096 GB of RAM compared to 128 GB — 187.9% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 7900X) vs 8 (Xeon 6511P). PCIe lanes: 28 (Ryzen 9 7900X) vs 136 (Xeon 6511P) — the Xeon 6511P offers 108 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM5 (Ryzen 9 7900X) and C741 (Xeon 6511P).
| Feature | Ryzen 9 7900X | Xeon 6511P |
|---|---|---|
| Socket | AM5 | LGA4710 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-5200 | DDR5-6400 |
| Max RAM Capacity | 128 GB | 4096 GB+3100% |
| RAM Channels | 2 | 8+300% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28 | 136+386% |
Advanced Features
Only the Ryzen 9 7900X 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: AMD-V (Ryzen 9 7900X) vs VT-x, VT-d (Xeon 6511P). The Ryzen 9 7900X includes integrated graphics (Radeon Graphics), while the Xeon 6511P requires a dedicated GPU. Primary use case: Ryzen 9 7900X targets Gaming, Xeon 6511P targets Server. Direct competitor: Ryzen 9 7900X rivals Core i9-13900K; Xeon 6511P rivals EPYC 9684X.
| Feature | Ryzen 9 7900X | Xeon 6511P |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Radeon Graphics | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | AMD-V | VT-x, VT-d |
| Target Use | Gaming | Server |
Value Analysis
The Ryzen 9 7900X launched at $549 MSRP, while the Xeon 6511P debuted at $815. At current prices ($316 vs $815), the Ryzen 9 7900X is $499 cheaper. In terms of value (PassMark points per dollar), the Ryzen 9 7900X delivers 162.4 pts/$ vs 62.9 pts/$ for the Xeon 6511P — making the Ryzen 9 7900X the 88.3% better value option.
| Feature | Ryzen 9 7900X | Xeon 6511P |
|---|---|---|
| MSRP | $549-33% | $815 |
| Avg Price (30d) | $316-61% | $815 |
| Performance per Dollar | 162.4+158% | 62.9 |
| Release Date | 2022 | 2025 |
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