CPU
GPU
Xeon L5638
Pentium Gold G5420
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 L5638 is positioned at rank #644 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 L5638
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon L5638 | Pentium Gold G5420 |
|---|---|---|
| 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 (Coffee Lake (2017−2019) / 14 nm) |
💎 Value Proposition
| Insight | Xeon L5638 | Pentium Gold G5420 |
|---|---|---|
| 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.
League of Legends
Valorant
Technical Specifications
Side-by-side comparison of Xeon L5638 and Pentium Gold G5420
Xeon L5638
The Xeon L5638 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 GHz, with boost up to 2.4 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: 3,707 points. Launch price was $90.
Pentium Gold G5420
The Pentium Gold G5420 is manufactured by Intel. It was released in 23 April 2019 (6 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 2 cores and 4 threads. Base frequency is 3.8 GHz, with boost up to 3.8 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 54 Watt. Memory support: DDR4-2400. Passmark benchmark score: 3,700 points. Launch price was $64.
Processing Power
The Xeon L5638 packs 6 cores / 12 threads, while the Pentium Gold G5420 offers 2 cores / 4 threads — the Xeon L5638 has 4 more cores. Boost clocks reach 2.4 GHz on the Xeon L5638 versus 3.8 GHz on the Pentium Gold G5420 — a 45.2% clock advantage for the Pentium Gold G5420 (base: 2 GHz vs 3.8 GHz). The Xeon L5638 uses the Westmere-EP (2010−2011) architecture (32 nm), while the Pentium Gold G5420 uses Coffee Lake (2017−2019) (14 nm). In PassMark, the Xeon L5638 scores 3,707 against the Pentium Gold G5420's 3,700 — a 0.2% lead for the Xeon L5638. L3 cache: 12 MB (total) on the Xeon L5638 vs 4 MB on the Pentium Gold G5420.
| Feature | Xeon L5638 | Pentium Gold G5420 |
|---|---|---|
| Cores / Threads | 6 / 12+200% | 2 / 4 |
| Boost Clock | 2.4 GHz | 3.8 GHz+58% |
| Base Clock | 2 GHz | 3.8 GHz+90% |
| L3 Cache | 12 MB (total)+200% | 4 MB |
| L2 Cache | 256 kB (per core) | 512 kB+100% |
| Process | 32 nm | 14 nm-56% |
| Architecture | Westmere-EP (2010−2011) | Coffee Lake (2017−2019) |
| PassMark | 3,707 | 3,700 |
| Geekbench 6 Single | — | 764 |
| Geekbench 6 Multi | — | 1,515 |
Memory & Platform
The Xeon L5638 uses the LGA1366 socket (PCIe 4.0), while the Pentium Gold G5420 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon L5638 | Pentium Gold G5420 |
|---|---|---|
| Socket | LGA1366 | LGA1151 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | — | DDR4-2400 |
| Max RAM Capacity | — | 64 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Xeon L5638) / VT-x / VT-d / EPT (Pentium Gold G5420). The Pentium Gold G5420 includes integrated graphics (Intel UHD Graphics 610), while the Xeon L5638 requires a dedicated GPU. Primary use case: Pentium Gold G5420 targets Office.
| Feature | Xeon L5638 | Pentium Gold G5420 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Intel UHD Graphics 610 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x / VT-d / EPT |
| Target Use | — | Office |
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