
Pentium Gold 8500

Xeon X5660
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 8500 is positioned at rank 527 and the Xeon X5660 is on rank 990, so the Pentium Gold 8500 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 8500
Performance Per Dollar Xeon X5660
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium Gold 8500 | Xeon X5660 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($10) |
| Longevity | ✨ Modern (Legacy / Intel 7 nm) | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Pentium Gold 8500 | Xeon X5660 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($10) |
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 8500 and Xeon X5660

Pentium Gold 8500
The Pentium Gold 8500 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: FCBGA1781. Thermal design power (TDP): 29 Watt. Memory support: LPDDR5-5200, LPDDR4x-4267. Passmark benchmark score: 5,949 points. Launch price was $69.

Xeon X5660
The Xeon X5660 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 2.8 GHz, with boost up to 3.2 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,979 points. Launch price was $33.
Processing Power
The Pentium Gold 8500 packs 5 cores / 6 threads, while the Xeon X5660 offers 6 cores / 12 threads — the Xeon X5660 has 1 more core. Boost clocks reach 4.4 GHz on the Pentium Gold 8500 versus 3.2 GHz on the Xeon X5660 — a 31.6% clock advantage for the Pentium Gold 8500. The Xeon X5660 is built on the Westmere-EP (2010−2011) architecture. In PassMark, the Pentium Gold 8500 scores 5,949 against the Xeon X5660's 5,979 — a 0.5% lead for the Xeon X5660. L3 cache: 8 MB Intel® Smart Cache on the Pentium Gold 8500 vs 12 MB (total) on the Xeon X5660.
| Feature | Pentium Gold 8500 | Xeon X5660 |
|---|---|---|
| Cores / Threads | 5 / 6 | 6 / 12+20% |
| Boost Clock | 4.4 GHz+38% | 3.2 GHz |
| Base Clock | — | 2.8 GHz |
| L3 Cache | 8 MB Intel® Smart Cache | 12 MB (total)+50% |
| L2 Cache | — | 256 kB (per core) |
| Process | Intel 7 nm-78% | 32 nm |
| Architecture | — | Westmere-EP (2010−2011) |
| PassMark | 5,949 | 5,979 |
Memory & Platform
The Pentium Gold 8500 uses the FCBGA1781 socket (PCIe 4.0), while the Xeon X5660 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium Gold 8500 | Xeon X5660 |
|---|---|---|
| Socket | FCBGA1781 | LGA1366 |
| PCIe Generation | PCIe 4.0+100% | PCIe 2.0 |
| Max RAM Speed | — | DDR3-1333 |
| RAM Channels | — | 3 |
| ECC Support | — | ✅ |
Advanced Features
Virtualization: not specified (Pentium Gold 8500) / VT-x, VT-d, EPT (Xeon X5660). Primary use case: Xeon X5660 targets Workstation. Direct competitor: Xeon X5660 rivals Core i7-980X.
| Feature | Pentium Gold 8500 | Xeon X5660 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d, EPT |
| Target Use | — | Workstation |
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