CPU
GPU
Core i9-12900
Xeon Platinum 8270
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 i9-12900
Performance Per Dollar Xeon Platinum 8270
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-12900 | Xeon Platinum 8270 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($420) | ⚠️ Higher cost ($7,405) |
| Longevity | ✨ Modern (Alder Lake-S (2022) / Intel 7 nm) | ✨ Modern (Cascade Lake-SP (2018) / 14 nm) |
💎 Value Proposition
| Insight | Core i9-12900 | Xeon Platinum 8270 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+1668%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($420) | ⚠️ Higher cost ($7,405) |
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 i9-12900 and Xeon Platinum 8270
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.
Xeon Platinum 8270
The Xeon Platinum 8270 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 26 cores and 52 threads. Base frequency is 2.7 GHz, with boost up to 4 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): 205 Watt. Memory support: DDR4-2933. Passmark benchmark score: 33,602 points. Launch price was $7,405.
Processing Power
The Core i9-12900 packs 16 cores / 24 threads, while the Xeon Platinum 8270 offers 26 cores / 52 threads — the Xeon Platinum 8270 has 10 more cores. Boost clocks reach 5.1 GHz on the Core i9-12900 versus 4 GHz on the Xeon Platinum 8270 — a 24.2% clock advantage for the Core i9-12900 (base: 2.4 GHz vs 2.7 GHz). The Core i9-12900 uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Xeon Platinum 8270 uses Cascade Lake-SP (2018) (14 nm). In PassMark, the Core i9-12900 scores 33,695 against the Xeon Platinum 8270's 33,602 — a 0.3% lead for the Core i9-12900. L3 cache: 30 MB (total) on the Core i9-12900 vs 35.75 MB (total) on the Xeon Platinum 8270.
| Feature | Core i9-12900 | Xeon Platinum 8270 |
|---|---|---|
| Cores / Threads | 16 / 24 | 26 / 52+63% |
| Boost Clock | 5.1 GHz+27% | 4 GHz |
| Base Clock | 2.4 GHz | 2.7 GHz+13% |
| L3 Cache | 30 MB (total) | 35.75 MB (total)+19% |
| L2 Cache | 1.25 MB (per core)+25% | 1 MB (per core) |
| Process | Intel 7 nm-50% | 14 nm |
| Architecture | Alder Lake-S (2022) | Cascade Lake-SP (2018) |
| PassMark | 33,695 | 33,602 |
| Cinebench R23 Multi | — | 32,000 |
| Geekbench 6 Single | — | 1,200 |
| Geekbench 6 Multi | — | 11,000 |
Memory & Platform
The Core i9-12900 uses the LGA1700 socket (PCIe 5.0), while the Xeon Platinum 8270 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i9-12900 versus DDR4-2933 on the Xeon Platinum 8270 — the Core i9-12900 supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Platinum 8270 supports up to 1024 GB of RAM compared to 128 — 155.6% more capacity for professional workloads. Memory channels: 2 (Core i9-12900) vs 6 (Xeon Platinum 8270). PCIe lanes: 20 (Core i9-12900) vs 48 (Xeon Platinum 8270) — the Xeon Platinum 8270 offers 28 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z690,B660 (Core i9-12900) and C621,Lewisburg (Xeon Platinum 8270).
| Feature | Core i9-12900 | Xeon Platinum 8270 |
|---|---|---|
| Socket | LGA1700 | LGA3647 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | 4800+119900% | DDR4-2933 |
| Max RAM Capacity | 128 | 1024 GB+838860700% |
| RAM Channels | 2 | 6+200% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 20 | 48+140% |
Advanced Features
Neither processor supports overclocking. Only the Xeon Platinum 8270 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i9-12900) vs VT-x, VT-d, EPT (Xeon Platinum 8270). The Core i9-12900 includes integrated graphics (Intel UHD Graphics 770), while the Xeon Platinum 8270 requires a dedicated GPU. Primary use case: Xeon Platinum 8270 targets Server / Workstation. Direct competitor: Core i9-12900 rivals Ryzen 9 5900; Xeon Platinum 8270 rivals Xeon Platinum 8268.
| Feature | Core i9-12900 | Xeon Platinum 8270 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel UHD Graphics 770 | — |
| Unlocked | No | No |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d, EPT |
| Target Use | — | Server / Workstation |
Value Analysis
The Core i9-12900 launched at $519 MSRP, while the Xeon Platinum 8270 debuted at $7405.
| Feature | Core i9-12900 | Xeon Platinum 8270 |
|---|---|---|
| MSRP | $519-93% | $7405 |
| Avg Price (30d) | $420 | — |
| Release Date | 2022 | 2019 |
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