Xeon Silver 4108 vs Pentium Gold 8505
Xeon Silver 4108
Pentium Gold 8505
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 Silver 4108 is positioned at rank 306 and the Pentium Gold 8505 is on rank 471, so the Xeon Silver 4108 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon Silver 4108
Performance Per Dollar Pentium Gold 8505
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Silver 4108 | Pentium Gold 8505 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($46) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) | ✨ Modern (Legacy / Intel 7 nm) |
💎 Value Proposition
| Insight | Xeon Silver 4108 | Pentium Gold 8505 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($46) | ✅ 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 Silver 4108 and Pentium Gold 8505
Xeon Silver 4108
The Xeon Silver 4108 is manufactured by Intel. It was released in 11 July 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 8 cores and 16 threads. Base frequency is 1.8 GHz, with boost up to 3 GHz. L3 cache: 11 MB. L2 cache: 8 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 85 Watt. Memory support: DDR4-2400. Passmark benchmark score: 9,177 points. Launch price was $417.
Pentium Gold 8505
The Pentium Gold 8505 is manufactured by Intel. It was released in 2007-01-01. It features 5 cores and 6 threads. Max frequency: 4.4 GHz. L3 cache: 8 MB Intel® Smart Cache. Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 55 Watt. Memory support: DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267. Passmark benchmark score: 9,167 points. Launch price was $69.
Processing Power
The Xeon Silver 4108 packs 8 cores / 16 threads, while the Pentium Gold 8505 offers 5 cores / 6 threads — the Xeon Silver 4108 has 3 more cores. Boost clocks reach 3 GHz on the Xeon Silver 4108 versus 4.4 GHz on the Pentium Gold 8505 — a 37.8% clock advantage for the Pentium Gold 8505. The Xeon Silver 4108 is built on the Skylake (server) (2017−2018) architecture. In PassMark, the Xeon Silver 4108 scores 9,177 against the Pentium Gold 8505's 9,167 — a 0.1% lead for the Xeon Silver 4108. L3 cache: 11 MB on the Xeon Silver 4108 vs 8 MB Intel® Smart Cache on the Pentium Gold 8505.
| Feature | Xeon Silver 4108 | Pentium Gold 8505 |
|---|---|---|
| Cores / Threads | 8 / 16+60% | 5 / 6 |
| Boost Clock | 3 GHz | 4.4 GHz+47% |
| Base Clock | 1.8 GHz | — |
| L3 Cache | 11 MB+38% | 8 MB Intel® Smart Cache |
| L2 Cache | 8 MB | — |
| Process | 14 nm | Intel 7 nm-50% |
| Architecture | Skylake (server) (2017−2018) | — |
| PassMark | 9,177 | 9,167 |
| Geekbench 6 Single | — | 1,550 |
| Geekbench 6 Multi | — | 4,055 |
Memory & Platform
The Xeon Silver 4108 uses the LGA3647 socket (PCIe 3.0), while the Pentium Gold 8505 uses FCBGA1744 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Xeon Silver 4108 | Pentium Gold 8505 |
|---|---|---|
| Socket | LGA3647 | FCBGA1744 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | — | DDR5-4800 |
| Max RAM Capacity | — | 64 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 20 |
Advanced Features
Virtualization: not specified (Xeon Silver 4108) / Yes (Pentium Gold 8505). The Pentium Gold 8505 includes integrated graphics (UHD Graphics), while the Xeon Silver 4108 requires a dedicated GPU.
| Feature | Xeon Silver 4108 | Pentium Gold 8505 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | UHD Graphics |
| AVX-512 | — | No |
| Virtualization | — | Yes |
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