Core i9-12900KF vs Xeon W-3275M
Core i9-12900KF
Xeon W-3275M
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 i9-12900KF
Performance Per Dollar Xeon W-3275M
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-12900KF | Xeon W-3275M |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($320) | ⚠️ Higher cost ($4,449) |
| Longevity | ✨ Modern (Alder Lake, Golden Cove, Gracemont (2021) / Intel 7 nm) | ✨ Modern (Cascade Lake (2019−2020) / 14 nm) |
💎 Value Proposition
| Insight | Core i9-12900KF | Xeon W-3275M |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+1305%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($320) | ⚠️ Higher cost ($4,449) |
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 i9-12900KF and Xeon W-3275M
Core i9-12900KF
The Core i9-12900KF 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 Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 40,858 points. Launch price was $564.
Xeon W-3275M
The Xeon W-3275M is manufactured by Intel. It was released in 3 June 2019 (6 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 28 cores and 56 threads. Base frequency is 2.5 GHz, with boost up to 4.6 GHz. L3 cache: 38.5 MB. L2 cache: 28 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2933. Passmark benchmark score: 40,419 points. Launch price was $7,453.
Processing Power
The Core i9-12900KF packs 16 cores / 24 threads, while the Xeon W-3275M offers 28 cores / 56 threads — the Xeon W-3275M has 12 more cores. Boost clocks reach 5.2 GHz on the Core i9-12900KF versus 4.6 GHz on the Xeon W-3275M — a 12.2% clock advantage for the Core i9-12900KF (base: 3.2 GHz vs 2.5 GHz). The Core i9-12900KF uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (Intel 7 nm), while the Xeon W-3275M uses Cascade Lake (2019−2020) (14 nm). In PassMark, the Core i9-12900KF scores 40,858 against the Xeon W-3275M's 40,419 — a 1.1% lead for the Core i9-12900KF. L3 cache: 30 MB (total) on the Core i9-12900KF vs 38.5 MB on the Xeon W-3275M.
| Feature | Core i9-12900KF | Xeon W-3275M |
|---|---|---|
| Cores / Threads | 16 / 24 | 28 / 56+75% |
| Boost Clock | 5.2 GHz+13% | 4.6 GHz |
| Base Clock | 3.2 GHz+28% | 2.5 GHz |
| L3 Cache | 30 MB (total) | 38.5 MB+28% |
| L2 Cache | 1.25 MB (per core) | 28 MB+2140% |
| Process | Intel 7 nm-50% | 14 nm |
| Architecture | Alder Lake, Golden Cove, Gracemont (2021) | Cascade Lake (2019−2020) |
| PassMark | 40,858+1% | 40,419 |
| Cinebench R23 Multi | 27,472 | — |
| Geekbench 6 Single | 2,585 | — |
| Geekbench 6 Multi | 15,300 | — |
Memory & Platform
The Core i9-12900KF uses the LGA1700 socket (PCIe 5.0), while the Xeon W-3275M uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i9-12900KF versus 2933 on the Xeon W-3275M — the Xeon W-3275M supports 199.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon W-3275M supports up to 2048 of RAM compared to 128 GB — 176.5% more capacity for professional workloads. Memory channels: 2 (Core i9-12900KF) vs 6 (Xeon W-3275M). PCIe lanes: 20 (Core i9-12900KF) vs 64 (Xeon W-3275M) — the Xeon W-3275M offers 44 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z690,Z790,B660,B760 (Core i9-12900KF) and C620 (Xeon W-3275M).
| Feature | Core i9-12900KF | Xeon W-3275M |
|---|---|---|
| Socket | LGA1700 | LGA3647 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | DDR5-4800, DDR4-3200 | 2933+58560% |
| Max RAM Capacity | 128 GB+6553500% | 2048 |
| RAM Channels | 2 | 6+200% |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 20 | 64+220% |
Advanced Features
Only the Core i9-12900KF has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon W-3275M supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, EPT (Core i9-12900KF) vs VT-x, VT-d (Xeon W-3275M). Primary use case: Core i9-12900KF targets Extreme Gaming / Content Creation. Direct competitor: Core i9-12900KF rivals Ryzen 9 5950X; Xeon W-3275M rivals EPYC 7742.
| Feature | Core i9-12900KF | Xeon W-3275M |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | — | None |
| Unlocked | Yes | No |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d, EPT | VT-x, VT-d |
| Target Use | Extreme Gaming / Content Creation | — |
Value Analysis
The Core i9-12900KF launched at $564 MSRP, while the Xeon W-3275M debuted at $4449. At current prices ($320 vs $4449), the Core i9-12900KF is $4129 cheaper. In terms of value (PassMark points per dollar), the Core i9-12900KF delivers 127.7 pts/$ vs 9.1 pts/$ for the Xeon W-3275M — making the Core i9-12900KF the 173.4% better value option.
| Feature | Core i9-12900KF | Xeon W-3275M |
|---|---|---|
| MSRP | $564-87% | $4449 |
| Avg Price (30d) | $320-93% | $4449 |
| Performance per Dollar | 127.7+1303% | 9.1 |
| Release Date | 2021 | 2019 |
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