CPU
GPU
Xeon L5639
Pentium Gold G6505
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. The Xeon L5639 is positioned at rank #595 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon L5639
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon L5639 | Pentium Gold G6505 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) | ✨ Modern (Comet Lake-R (2021) / 14 nm) |
💎 Value Proposition
| Insight | Xeon L5639 | Pentium Gold G6505 |
|---|---|---|
| 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 Xeon L5639 and Pentium Gold G6505
Xeon L5639
The Xeon L5639 is manufactured by Intel. It was released in 2015-01-01. It is based on the Westmere-EP (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 2.133 GHz, with boost up to 2.67 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 60 Watt. Memory support: DDR3. Passmark benchmark score: 4,419 points. Launch price was $800.
Pentium Gold G6505
The Pentium Gold G6505 is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Comet Lake-R (2021) architecture. It features 2 cores and 4 threads. Base frequency is 4.2 GHz, with boost up to 4.2 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 58 Watt. Memory support: DDR4-2666. Passmark benchmark score: 4,371 points. Launch price was $75.
Processing Power
The Xeon L5639 packs 6 cores / 12 threads, while the Pentium Gold G6505 offers 2 cores / 4 threads — the Xeon L5639 has 4 more cores. Boost clocks reach 2.67 GHz on the Xeon L5639 versus 4.2 GHz on the Pentium Gold G6505 — a 44.5% clock advantage for the Pentium Gold G6505 (base: 2.133 GHz vs 4.2 GHz). The Xeon L5639 uses the Westmere-EP (2010−2011) architecture (32 nm), while the Pentium Gold G6505 uses Comet Lake-R (2021) (14 nm). In PassMark, the Xeon L5639 scores 4,419 against the Pentium Gold G6505's 4,371 — a 1.1% lead for the Xeon L5639. L3 cache: 12 MB (total) on the Xeon L5639 vs 4 MB (total) on the Pentium Gold G6505.
| Feature | Xeon L5639 | Pentium Gold G6505 |
|---|---|---|
| Cores / Threads | 6 / 12+200% | 2 / 4 |
| Boost Clock | 2.67 GHz | 4.2 GHz+57% |
| Base Clock | 2.133 GHz | 4.2 GHz+97% |
| L3 Cache | 12 MB (total)+200% | 4 MB (total) |
| L2 Cache | 256 kB (per core) | 256 kB (per core) |
| Process | 32 nm | 14 nm-56% |
| Architecture | Westmere-EP (2010−2011) | Comet Lake-R (2021) |
| PassMark | 4,419+1% | 4,371 |
Memory & Platform
The Xeon L5639 uses the LGA1366 socket (PCIe 4.0), while the Pentium Gold G6505 uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon L5639 | Pentium Gold G6505 |
|---|---|---|
| Socket | LGA1366 | LGA1200 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Xeon L5639 and Pentium Gold G6505
