Xeon L5639 vs Core i5-3450S
Xeon L5639
Core i5-3450S
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 Xeon L5639 is positioned at rank 595 and the Core i5-3450S is on rank 685, so the Xeon L5639 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon L5639
Performance Per Dollar Core i5-3450S
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon L5639 | Core i5-3450S |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
| Longevity | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) |
💎 Value Proposition
| Insight | Xeon L5639 | Core i5-3450S |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
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 L5639 and Core i5-3450S
Xeon L5639
The Xeon L5639 is manufactured by Intel. It was released in 2015-01-01. It is based on the Westmere-EP (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 2.133 GHz, with boost up to 2.67 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 60 Watt. Memory support: DDR3. Passmark benchmark score: 4,419 points. Launch price was $800.
Core i5-3450S
The Core i5-3450S is manufactured by Intel. It was released in 29 April 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 4 cores and 4 threads. Base frequency is 2.8 GHz, with boost up to 3.5 GHz. L3 cache: 6144 kB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 4,399 points. Launch price was $150.
Processing Power
The Xeon L5639 packs 6 cores / 12 threads, while the Core i5-3450S offers 4 cores / 4 threads — the Xeon L5639 has 2 more cores. Boost clocks reach 2.67 GHz on the Xeon L5639 versus 3.5 GHz on the Core i5-3450S — a 26.9% clock advantage for the Core i5-3450S (base: 2.133 GHz vs 2.8 GHz). The Xeon L5639 uses the Westmere-EP (2010−2011) architecture (32 nm), while the Core i5-3450S uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Xeon L5639 scores 4,419 against the Core i5-3450S's 4,399 — a 0.5% lead for the Xeon L5639. L3 cache: 12 MB (total) on the Xeon L5639 vs 6144 kB (total) on the Core i5-3450S.
| Feature | Xeon L5639 | Core i5-3450S |
|---|---|---|
| Cores / Threads | 6 / 12+50% | 4 / 4 |
| Boost Clock | 2.67 GHz | 3.5 GHz+31% |
| Base Clock | 2.133 GHz | 2.8 GHz+31% |
| L3 Cache | 12 MB (total)+100% | 6144 kB (total) |
| L2 Cache | 256 kB (per core) | 256 kB (per core) |
| Process | 32 nm | 22 nm-31% |
| Architecture | Westmere-EP (2010−2011) | Ivy Bridge (2012−2013) |
| PassMark | 4,419 | 4,399 |
Memory & Platform
The Xeon L5639 uses the LGA1366 socket (PCIe 4.0), while the Core i5-3450S uses LGA1155 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon L5639 | Core i5-3450S |
|---|---|---|
| Socket | LGA1366 | LGA1155 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
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