Pentium Gold 8505 vs Xeon E3-1275 v6
Pentium Gold 8505
Xeon E3-1275 v6
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 8505 is positioned at rank 471 and the Xeon E3-1275 v6 is on rank 471, so the Xeon E3-1275 v6 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 8505
Performance Per Dollar Xeon E3-1275 v6
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium Gold 8505 | Xeon E3-1275 v6 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($142) |
| Longevity | ✨ Modern (Legacy / Intel 7 nm) | ✨ Modern (Kaby Lake (2016−2019) / 14 nm) |
💎 Value Proposition
| Insight | Pentium Gold 8505 | Xeon E3-1275 v6 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($142) |
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 8505 and Xeon E3-1275 v6
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.
Xeon E3-1275 v6
The Xeon E3-1275 v6 is manufactured by Intel. It was released in 28 March 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 4 cores and 8 threads. Base frequency is 3.8 GHz, with boost up to 4.2 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 73 Watt. Memory support: DDR4-2400, DDR3L-1866. Passmark benchmark score: 9,202 points. Launch price was $339.
Processing Power
The Pentium Gold 8505 packs 5 cores / 6 threads, while the Xeon E3-1275 v6 offers 4 cores / 8 threads — the Pentium Gold 8505 has 1 more core. Boost clocks reach 4.4 GHz on the Pentium Gold 8505 versus 4.2 GHz on the Xeon E3-1275 v6 — a 4.7% clock advantage for the Pentium Gold 8505. The Xeon E3-1275 v6 is built on the Kaby Lake (2016−2019) architecture. In PassMark, the Pentium Gold 8505 scores 9,167 against the Xeon E3-1275 v6's 9,202 — a 0.4% lead for the Xeon E3-1275 v6. L3 cache: 8 MB Intel® Smart Cache on the Pentium Gold 8505 vs 8 MB on the Xeon E3-1275 v6.
| Feature | Pentium Gold 8505 | Xeon E3-1275 v6 |
|---|---|---|
| Cores / Threads | 5 / 6+25% | 4 / 8 |
| Boost Clock | 4.4 GHz+5% | 4.2 GHz |
| Base Clock | — | 3.8 GHz |
| L3 Cache | 8 MB Intel® Smart Cache | 8 MB |
| L2 Cache | — | 1 MB |
| Process | Intel 7 nm-50% | 14 nm |
| Architecture | — | Kaby Lake (2016−2019) |
| PassMark | 9,167 | 9,202 |
| Geekbench 6 Single | 1,550 | — |
| Geekbench 6 Multi | 4,055 | — |
Memory & Platform
The Pentium Gold 8505 uses the FCBGA1744 socket (PCIe 4.0), while the Xeon E3-1275 v6 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Pentium Gold 8505 | Xeon E3-1275 v6 |
|---|---|---|
| Socket | FCBGA1744 | LGA1151 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | DDR5-4800 | — |
| Max RAM Capacity | 64 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 20 | — |
Advanced Features
Virtualization: Yes (Pentium Gold 8505) / not specified (Xeon E3-1275 v6). The Pentium Gold 8505 includes integrated graphics (UHD Graphics), while the Xeon E3-1275 v6 requires a dedicated GPU.
| Feature | Pentium Gold 8505 | Xeon E3-1275 v6 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | UHD Graphics | — |
| AVX-512 | No | — |
| Virtualization | Yes | — |
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