Core i3-12100F vs Xeon E5-2666 V3
Core i3-12100F
Xeon E5-2666 V3
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 i3-12100F
Performance Per Dollar Xeon E5-2666 V3
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-12100F | Xeon E5-2666 V3 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($90) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Alder Lake-S (2022) / Intel 7 nm) | 🛑 Legacy (Haswell-EP (2014−2015) / 22 nm) |
💎 Value Proposition
| Insight | Core i3-12100F | Xeon E5-2666 V3 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($90) | ✅ More affordable ($0) |
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 i3-12100F and Xeon E5-2666 V3
Core i3-12100F
The Core i3-12100F is manufactured by Intel. It was released in Janeiro 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 4 cores and 8 threads. Base frequency is 3.3 GHz, with boost up to 4.3 GHz. L3 cache: 12 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 58 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 13,979 points. Launch price was $97.
Xeon E5-2666 V3
The Xeon E5-2666 V3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 10 cores and 20 threads. Base frequency is 2.9 GHz, with boost up to 3.5 GHz. L3 cache: 25 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 135 Watt. Memory support: DDR3, DDR4 2133 MHz Quad-channel. Passmark benchmark score: 14,044 points. Launch price was $800.
Processing Power
The Core i3-12100F packs 4 cores / 8 threads, while the Xeon E5-2666 V3 offers 10 cores / 20 threads — the Xeon E5-2666 V3 has 6 more cores. Boost clocks reach 4.3 GHz on the Core i3-12100F versus 3.5 GHz on the Xeon E5-2666 V3 — a 20.5% clock advantage for the Core i3-12100F (base: 3.3 GHz vs 2.9 GHz). The Core i3-12100F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Xeon E5-2666 V3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Core i3-12100F scores 13,979 against the Xeon E5-2666 V3's 14,044 — a 0.5% lead for the Xeon E5-2666 V3. L3 cache: 12 MB (total) on the Core i3-12100F vs 25 MB (total) on the Xeon E5-2666 V3.
| Feature | Core i3-12100F | Xeon E5-2666 V3 |
|---|---|---|
| Cores / Threads | 4 / 8 | 10 / 20+150% |
| Boost Clock | 4.3 GHz+23% | 3.5 GHz |
| Base Clock | 3.3 GHz+14% | 2.9 GHz |
| L3 Cache | 12 MB (total) | 25 MB (total)+108% |
| L2 Cache | 1.25 MB (per core)+400% | 256K (per core) |
| Process | Intel 7 nm-68% | 22 nm |
| Architecture | Alder Lake-S (2022) | Haswell-EP (2014−2015) |
| PassMark | 13,979 | 14,044 |
Memory & Platform
The Core i3-12100F uses the LGA1700 socket (PCIe 5.0), while the Xeon E5-2666 V3 uses LGA2011-3 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i3-12100F | Xeon E5-2666 V3 |
|---|---|---|
| Socket | LGA1700 | LGA2011-3 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | DDR4-3200, DDR5-4800 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 20 | — |
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