Sempron 3850 vs Xeon W3505
Sempron 3850
Xeon W3505
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 Sempron 3850 is positioned at rank 507 and the Xeon W3505 is on rank 970, so the Sempron 3850 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Sempron 3850
Performance Per Dollar Xeon W3505
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Sempron 3850 | Xeon W3505 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Kabini (2013−2014) / 28 nm) | 🛑 Legacy (Bloomfield (2008−2010) / 45 nm) |
💎 Value Proposition
| Insight | Sempron 3850 | Xeon W3505 |
|---|---|---|
| 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 Sempron 3850 and Xeon W3505
Sempron 3850
The Sempron 3850 is manufactured by AMD. It was released in 2007-01-01. It is based on the Kabini (2013−2014) architecture. It features 4 cores and 4 threads. Max frequency: 1.3 GHz. L2 cache: 2048 kB. Built on 28 nm process technology. Socket: AM1. Thermal design power (TDP): 25 Watt. Memory support: DDR3-1600. Passmark benchmark score: 1,168 points. Launch price was $69.
Xeon W3505
The Xeon W3505 is manufactured by Intel. It was released in 2015-01-01. It is based on the Bloomfield (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 2.53 GHz, with boost up to 0.53 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 1,163 points. Launch price was $800.
Processing Power
The Sempron 3850 packs 4 cores / 4 threads, while the Xeon W3505 offers 2 cores / 2 threads — the Sempron 3850 has 2 more cores. Boost clocks reach 1.3 GHz on the Sempron 3850 versus 0.53 GHz on the Xeon W3505 — a 84.2% clock advantage for the Sempron 3850. The Sempron 3850 uses the Kabini (2013−2014) architecture (28 nm), while the Xeon W3505 uses Bloomfield (2008−2010) (45 nm). In PassMark, the Sempron 3850 scores 1,168 against the Xeon W3505's 1,163 — a 0.4% lead for the Sempron 3850.
| Feature | Sempron 3850 | Xeon W3505 |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 1.3 GHz+145% | 0.53 GHz |
| Base Clock | — | 2.53 GHz |
| L3 Cache | — | 4 MB (total) |
| L2 Cache | 2048 kB+700% | 256 kB (per core) |
| Process | 28 nm-38% | 45 nm |
| Architecture | Kabini (2013−2014) | Bloomfield (2008−2010) |
| PassMark | 1,168 | 1,163 |
Memory & Platform
The Sempron 3850 uses the AM1 socket (PCIe 2.0), while the Xeon W3505 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Sempron 3850 | Xeon W3505 |
|---|---|---|
| Socket | AM1 | LGA1366 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
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