Pentium Gold 6405U vs Xeon E5205
Pentium Gold 6405U
Xeon E5205
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 Pentium Gold 6405U is positioned at rank 770 and the Xeon E5205 is on rank 952, so the Pentium Gold 6405U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium Gold 6405U
Performance Per Dollar Xeon E5205
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium Gold 6405U | Xeon E5205 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Comet Lake-U (2019−2020) / 14 nm) | 🛑 Legacy (Legacy / 45 nm) |
💎 Value Proposition
| Insight | Pentium Gold 6405U | Xeon E5205 |
|---|---|---|
| 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 Pentium Gold 6405U and Xeon E5205
Pentium Gold 6405U
The Pentium Gold 6405U is manufactured by Intel. It was released in 31 October 2019 (6 years ago). It is based on the Comet Lake-U (2019−2020) architecture. It features 2 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 2 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 1,320 points. Launch price was $161.
Xeon E5205
The Xeon E5205 is manufactured by Intel. It was released in 2015-01-01. Base frequency: 1.86 GHz. L3 cache: 6 MB L2 Cache. Built on 45 nm process technology. Socket: LGA771. Thermal design power (TDP): 65 Watt. Passmark benchmark score: 1,325 points. Launch price was $800.
Processing Power
The Pentium Gold 6405U is built on the Comet Lake-U (2019−2020) architecture. In PassMark, the Pentium Gold 6405U scores 1,320 against the Xeon E5205's 1,325 — a 0.4% lead for the Xeon E5205. L3 cache: 2 MB on the Pentium Gold 6405U vs 6 MB L2 Cache on the Xeon E5205.
| Feature | Pentium Gold 6405U | Xeon E5205 |
|---|---|---|
| Cores / Threads | 2 / 4 | — |
| Boost Clock | 2.4 GHz | — |
| Base Clock | 2.4 GHz+29% | 1.86 GHz |
| L3 Cache | 2 MB | 6 MB L2 Cache+200% |
| L2 Cache | 1 MB | — |
| Process | 14 nm-69% | 45 nm |
| Architecture | Comet Lake-U (2019−2020) | — |
| PassMark | 1,320 | 1,325 |
Memory & Platform
The Pentium Gold 6405U uses the FCBGA1528 socket (PCIe 3.0), while the Xeon E5205 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium Gold 6405U | Xeon E5205 |
|---|---|---|
| Socket | FCBGA1528 | LGA771 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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