Xeon Platinum 8260M vs Core i9-12900
Xeon Platinum 8260M
Core i9-12900
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 8260M
Performance Per Dollar Core i9-12900
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Platinum 8260M | Core i9-12900 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($7,705) | ✅ More affordable ($420) |
| Longevity | ✨ Modern (Cascade Lake-SP (2018) / 14 nm) | ✨ Modern (Alder Lake-S (2022) / Intel 7 nm) |
💎 Value Proposition
| Insight | Xeon Platinum 8260M | Core i9-12900 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+1720%) |
| Upfront Cost | ⚠️ Higher cost ($7,705) | ✅ More affordable ($420) |
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 8260M and Core i9-12900
Xeon Platinum 8260M
The Xeon Platinum 8260M is manufactured by Intel. It was released in 11 December 2018 (6 years ago). It is based on the Cascade Lake-SP (2018) architecture. It features 24 cores and 48 threads. Base frequency is 2.4 GHz, with boost up to 3.9 GHz. L3 cache: 35.75 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2933. Passmark benchmark score: 33,970 points. Launch price was $7,705.
Core i9-12900
The Core i9-12900 is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 16 cores and 24 threads. Base frequency is 2.4 GHz, with boost up to 5.1 GHz. L3 cache: 30 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 33,695 points. Launch price was $489.
Processing Power
The Xeon Platinum 8260M packs 24 cores / 48 threads, while the Core i9-12900 offers 16 cores / 24 threads — the Xeon Platinum 8260M has 8 more cores. Boost clocks reach 3.9 GHz on the Xeon Platinum 8260M versus 5.1 GHz on the Core i9-12900 — a 26.7% clock advantage for the Core i9-12900 (base: 2.4 GHz vs 2.4 GHz). The Xeon Platinum 8260M uses the Cascade Lake-SP (2018) architecture (14 nm), while the Core i9-12900 uses Alder Lake-S (2022) (Intel 7 nm). In PassMark, the Xeon Platinum 8260M scores 33,970 against the Core i9-12900's 33,695 — a 0.8% lead for the Xeon Platinum 8260M. L3 cache: 35.75 MB (total) on the Xeon Platinum 8260M vs 30 MB (total) on the Core i9-12900.
| Feature | Xeon Platinum 8260M | Core i9-12900 |
|---|---|---|
| Cores / Threads | 24 / 48+50% | 16 / 24 |
| Boost Clock | 3.9 GHz | 5.1 GHz+31% |
| Base Clock | 2.4 GHz | 2.4 GHz |
| L3 Cache | 35.75 MB (total)+19% | 30 MB (total) |
| L2 Cache | 1 MB (per core) | 1.25 MB (per core)+25% |
| Process | 14 nm | Intel 7 nm-50% |
| Architecture | Cascade Lake-SP (2018) | Alder Lake-S (2022) |
| PassMark | 33,970 | 33,695 |
| Cinebench R23 Multi | 30,500 | — |
| Geekbench 6 Single | 1,200 | — |
| Geekbench 6 Multi | 10,491 | — |
Memory & Platform
The Xeon Platinum 8260M uses the LGA3647 socket (PCIe 3.0), while the Core i9-12900 uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2933 on the Xeon Platinum 8260M versus 4800 on the Core i9-12900 — the Core i9-12900 supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Platinum 8260M supports up to 2048 GB of RAM compared to 128 — 176.5% more capacity for professional workloads. Memory channels: 6 (Xeon Platinum 8260M) vs 2 (Core i9-12900). PCIe lanes: 48 (Xeon Platinum 8260M) vs 20 (Core i9-12900) — the Xeon Platinum 8260M offers 28 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C621,C622,C624,C627,C628 (Xeon Platinum 8260M) and Z690,B660 (Core i9-12900).
| Feature | Xeon Platinum 8260M | Core i9-12900 |
|---|---|---|
| Socket | LGA3647 | LGA1700 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR4-2933 | 4800+119900% |
| Max RAM Capacity | 2048 GB+1677721500% | 128 |
| RAM Channels | 6+200% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 48+140% | 20 |
Advanced Features
Neither processor supports overclocking. Only the Xeon Platinum 8260M supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, EPT (Xeon Platinum 8260M) vs VT-x, VT-d (Core i9-12900). The Core i9-12900 includes integrated graphics (Intel UHD Graphics 770), while the Xeon Platinum 8260M requires a dedicated GPU. Primary use case: Xeon Platinum 8260M targets Server (Memory Optimized). Direct competitor: Xeon Platinum 8260M rivals Xeon Platinum 8268; Core i9-12900 rivals Ryzen 9 5900.
| Feature | Xeon Platinum 8260M | Core i9-12900 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel UHD Graphics 770 |
| Unlocked | No | No |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d, EPT | VT-x, VT-d |
| Target Use | Server (Memory Optimized) | — |
Value Analysis
The Xeon Platinum 8260M launched at $7705 MSRP, while the Core i9-12900 debuted at $519.
| Feature | Xeon Platinum 8260M | Core i9-12900 |
|---|---|---|
| MSRP | $7705 | $519-93% |
| Avg Price (30d) | — | $420 |
| Release Date | 2019 | 2022 |
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