Xeon X3440 vs Xeon E5540
Xeon X3440
Xeon E5540
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 X3440 is positioned at rank 782 and the Xeon E5540 is on rank 745, so the Xeon E5540 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon X3440
Performance Per Dollar Xeon E5540
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon X3440 | Xeon E5540 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($16) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Lynnfield (2009−2010) / 45 nm) | 🛑 Legacy (Gainestown (2009−2010) / 45 nm) |
💎 Value Proposition
| Insight | Xeon X3440 | Xeon E5540 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($16) | ✅ 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 Xeon X3440 and Xeon E5540
Xeon X3440
The Xeon X3440 is manufactured by Intel. It was released in 8 September 2009 (16 years ago). It is based on the Lynnfield (2009−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.53 GHz, with boost up to 2.93 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1156. Thermal design power (TDP): 95 Watt. Memory support: DDR3-800, DDR3-1066, DDR3-1333. Passmark benchmark score: 2,769 points. Launch price was $215.
Xeon E5540
The Xeon E5540 is manufactured by Intel. It was released in 30 March 2009 (16 years ago). It is based on the Gainestown (2009−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.53 GHz, with boost up to 2.8 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 2,805 points. Launch price was $30.
Processing Power
Both the Xeon X3440 and Xeon E5540 share an identical 4-core/8-thread configuration. Boost clocks reach 2.93 GHz on the Xeon X3440 versus 2.8 GHz on the Xeon E5540 — a 4.5% clock advantage for the Xeon X3440 (base: 2.53 GHz vs 2.53 GHz). The Xeon X3440 uses the Lynnfield (2009−2010) architecture (45 nm), while the Xeon E5540 uses Gainestown (2009−2010) (45 nm). In PassMark, the Xeon X3440 scores 2,769 against the Xeon E5540's 2,805 — a 1.3% lead for the Xeon E5540. Both processors carry 8 MB (total) of L3 cache.
| Feature | Xeon X3440 | Xeon E5540 |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 2.93 GHz+5% | 2.8 GHz |
| Base Clock | 2.53 GHz | 2.53 GHz |
| L3 Cache | 8 MB (total) | 8 MB (total) |
| L2 Cache | 256 kB (per core) | 256 kB (per core) |
| Process | 45 nm | 45 nm |
| Architecture | Lynnfield (2009−2010) | Gainestown (2009−2010) |
| PassMark | 2,769 | 2,805+1% |
Memory & Platform
The Xeon X3440 uses the LGA1156 socket (PCIe 2.0), while the Xeon E5540 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Xeon X3440 | Xeon E5540 |
|---|---|---|
| Socket | LGA1156 | LGA1366 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
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