Core i3-2100 vs Xeon E5345
Core i3-2100
Xeon E5345
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. The Core i3-2100 is positioned at rank 885 and the Xeon E5345 is on rank 887, so the Core i3-2100 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i3-2100
Performance Per Dollar Xeon E5345
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-2100 | Xeon E5345 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($10) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Clovertown (2006−2007) / 65 nm) |
💎 Value Proposition
| Insight | Core i3-2100 | Xeon E5345 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($10) | ✅ 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 i3-2100 and Xeon E5345
Core i3-2100
The Core i3-2100 is manufactured by Intel. It was released in 20 February 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.1 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,856 points. Launch price was $73.
Xeon E5345
The Xeon E5345 is manufactured by Intel. It was released in 14 November 2006 (19 years ago). It is based on the Clovertown (2006−2007) architecture. It features 4 cores and 4 threads. Base frequency is 2.33 GHz, with boost up to 0.33 GHz. L3 cache: 8 MB L2 Cache. L2 cache: 4 MB (total). Built on 65 nm process technology. Socket: LGA771. Thermal design power (TDP): 80 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 1,868 points. Launch price was $851.
Processing Power
The Core i3-2100 packs 2 cores / 4 threads, while the Xeon E5345 offers 4 cores / 4 threads — the Xeon E5345 has 2 more cores. Boost clocks reach 3.1 GHz on the Core i3-2100 versus 0.33 GHz on the Xeon E5345 — a 161.5% clock advantage for the Core i3-2100 (base: 3.1 GHz vs 2.33 GHz). The Core i3-2100 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Xeon E5345 uses Clovertown (2006−2007) (65 nm). In PassMark, the Core i3-2100 scores 1,856 against the Xeon E5345's 1,868 — a 0.6% lead for the Xeon E5345. L3 cache: 3 MB (total) on the Core i3-2100 vs 8 MB L2 Cache on the Xeon E5345.
| Feature | Core i3-2100 | Xeon E5345 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 4+100% |
| Boost Clock | 3.1 GHz+839% | 0.33 GHz |
| Base Clock | 3.1 GHz+33% | 2.33 GHz |
| L3 Cache | 3 MB (total) | 8 MB L2 Cache+167% |
| L2 Cache | 256 kB (per core) | 4 MB (total)+1500% |
| Process | 32 nm-51% | 65 nm |
| Architecture | Sandy Bridge (2011−2013) | Clovertown (2006−2007) |
| PassMark | 1,856 | 1,868 |
Memory & Platform
The Core i3-2100 uses the LGA1155 socket (PCIe 2.0), while the Xeon E5345 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i3-2100 | Xeon E5345 |
|---|---|---|
| Socket | LGA1155 | LGA771 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
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