Celeron G5905 vs Xeon E5540
Celeron G5905
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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar Xeon E5540
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron G5905 | Xeon E5540 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Legacy / 14 nm) | 🛑 Legacy (Gainestown (2009−2010) / 45 nm) |
💎 Value Proposition
| Insight | Celeron G5905 | Xeon E5540 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 Celeron G5905 and Xeon E5540
Celeron G5905
The Celeron G5905 is manufactured by Intel. It was released in 2007-01-01. It features 2 cores and 2 threads. Base frequency: 3.5 GHz. L3 cache: 4 MB Intel® Smart Cache. Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 58 Watt. Memory support: DDR4-2666. Passmark benchmark score: 2,760 points. Launch price was $69.
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
The Celeron G5905 packs 2 cores / 2 threads, while the Xeon E5540 offers 4 cores / 8 threads — the Xeon E5540 has 2 more cores. The Xeon E5540 is built on the Gainestown (2009−2010) architecture. In PassMark, the Celeron G5905 scores 2,760 against the Xeon E5540's 2,805 — a 1.6% lead for the Xeon E5540. L3 cache: 4 MB Intel® Smart Cache on the Celeron G5905 vs 8 MB (total) on the Xeon E5540.
| Feature | Celeron G5905 | Xeon E5540 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 8+100% |
| Boost Clock | — | 2.8 GHz |
| Base Clock | 3.5 GHz+38% | 2.53 GHz |
| L3 Cache | 4 MB Intel® Smart Cache | 8 MB (total)+100% |
| L2 Cache | — | 256 kB (per core) |
| Process | 14 nm-69% | 45 nm |
| Architecture | — | Gainestown (2009−2010) |
| PassMark | 2,760 | 2,805+2% |
| Geekbench 6 Single | 724 | — |
| Geekbench 6 Multi | 1,242 | — |
Memory & Platform
The Celeron G5905 uses the LGA1200 socket (PCIe 3.0), while the Xeon E5540 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Celeron G5905 | Xeon E5540 |
|---|---|---|
| Socket | LGA1200 | LGA1366 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-2666 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x (Celeron G5905) / not specified (Xeon E5540). The Celeron G5905 includes integrated graphics (UHD Graphics 610), while the Xeon E5540 requires a dedicated GPU. Primary use case: Celeron G5905 targets Budget. Direct competitor: Celeron G5905 rivals Pentium Gold G6405.
| Feature | Celeron G5905 | Xeon E5540 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | UHD Graphics 610 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
| Target Use | Budget | — |
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