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