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