Core i9-12900K vs Xeon 6515P
Core i9-12900K
Xeon 6515P
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 Core i9-12900K
Performance Per Dollar Xeon 6515P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-12900K | Xeon 6515P |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($322) | ⚠️ Higher cost ($886) |
| Longevity | ✨ Modern (Alder Lake, Golden Cove, Gracemont (2021) / 10 nm) | ✨ Modern (Granite Rapids (2024−2025) / Intel 3 nm) |
💎 Value Proposition
| Insight | Core i9-12900K | Xeon 6515P |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+178%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($322) | ⚠️ Higher cost ($886) |
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 Core i9-12900K and Xeon 6515P
Core i9-12900K
The Core i9-12900K is manufactured by Intel. It was released in 4 November 2021 (4 years ago). It is based on the Alder Lake, Golden Cove, Gracemont (2021) architecture. It features 16 cores and 24 threads. Base frequency is 3.2 GHz, with boost up to 5.2 GHz. L3 cache: 30 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 41,180 points. Launch price was $589.
Xeon 6515P
The Xeon 6515P 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 3.8 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: 40,720 points. Launch price was $740.
Processing Power
The Core i9-12900K packs 16 cores / 24 threads, matching the Xeon 6515P's 16 cores. Boost clocks reach 5.2 GHz on the Core i9-12900K versus 3.8 GHz on the Xeon 6515P — a 31.1% clock advantage for the Core i9-12900K (base: 3.2 GHz vs 2.3 GHz). The Core i9-12900K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Xeon 6515P uses Granite Rapids (2024−2025) (Intel 3 nm). In PassMark, the Core i9-12900K scores 41,180 against the Xeon 6515P's 40,720 — a 1.1% lead for the Core i9-12900K. L3 cache: 30 MB (total) on the Core i9-12900K vs 72 MB (total) on the Xeon 6515P.
| Feature | Core i9-12900K | Xeon 6515P |
|---|---|---|
| Cores / Threads | 16 / 24 | 16 / 32 |
| Boost Clock | 5.2 GHz+37% | 3.8 GHz |
| Base Clock | 3.2 GHz+39% | 2.3 GHz |
| L3 Cache | 30 MB (total) | 72 MB (total)+140% |
| L2 Cache | 1.25 MB (per core) | 2 MB (per core)+60% |
| Process | 10 nm | Intel 3 nm-70% |
| Architecture | Alder Lake, Golden Cove, Gracemont (2021) | Granite Rapids (2024−2025) |
| PassMark | 41,180+1% | 40,720 |
Memory & Platform
The Core i9-12900K uses the LGA1700 socket (PCIe 5.0), while the Xeon 6515P uses LGA4710 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the Core i9-12900K versus 6400 on the Xeon 6515P — the Xeon 6515P supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon 6515P supports up to 4096 of RAM compared to 128 GB — 187.9% more capacity for professional workloads. Memory channels: 2 (Core i9-12900K) vs 8 (Xeon 6515P). PCIe lanes: 20 (Core i9-12900K) vs 88 (Xeon 6515P) — the Xeon 6515P offers 68 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 600 series,Intel 700 series (Core i9-12900K) and LGA4710 (Xeon 6515P).
| Feature | Core i9-12900K | Xeon 6515P |
|---|---|---|
| Socket | LGA1700 | LGA4710 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-4800 | 6400+127900% |
| Max RAM Capacity | 128 GB+3276700% | 4096 |
| RAM Channels | 2 | 8+300% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 20 | 88+340% |
Advanced Features
Virtualization: not specified (Core i9-12900K) / VT-x, VT-d (Xeon 6515P). The Core i9-12900K includes integrated graphics (Intel UHD Graphics 770), while the Xeon 6515P requires a dedicated GPU. Direct competitor: Xeon 6515P rivals EPYC 9534.
| Feature | Core i9-12900K | Xeon 6515P |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel UHD Graphics 770 | None |
| Unlocked | — | No |
| AVX-512 | — | Yes |
| Virtualization | — | VT-x, VT-d |
Value Analysis
The Core i9-12900K launched at $589 MSRP, while the Xeon 6515P debuted at $740. At current prices ($322 vs $886), the Core i9-12900K is $564 cheaper. In terms of value (PassMark points per dollar), the Core i9-12900K delivers 127.9 pts/$ vs 46.0 pts/$ for the Xeon 6515P — making the Core i9-12900K the 94.3% better value option.
| Feature | Core i9-12900K | Xeon 6515P |
|---|---|---|
| MSRP | $589-20% | $740 |
| Avg Price (30d) | $322-64% | $886 |
| Performance per Dollar | 127.9+178% | 46.0 |
| Release Date | 2021 | 2025 |
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