CPU
GPU
Xeon L5638
FX-6100
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 L5638 is positioned at rank 644 and the FX-6100 is on rank 741, so the Xeon L5638 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon L5638
Performance Per Dollar FX-6100
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon L5638 | FX-6100 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($25) |
| Longevity | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) | 🛑 Legacy (Zambezi (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Xeon L5638 | FX-6100 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($25) |
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.
Path of Exile 2
Counter-Strike 2
Valorant
Technical Specifications
Side-by-side comparison of Xeon L5638 and FX-6100
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.
FX-6100
The FX-6100 is manufactured by AMD. It was released in 12 October 2011 (14 years ago). It is based on the Zambezi (2011−2012) architecture. It features 6 cores and 6 threads. Base frequency is 3.3 GHz, with boost up to 3.9 GHz. L3 cache: 8 MB (total). L2 cache: 6 MB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 3,686 points. Launch price was $69.
Processing Power
The Xeon L5638 packs 6 cores / 12 threads, matching the FX-6100's 6 cores. Boost clocks reach 2.4 GHz on the Xeon L5638 versus 3.9 GHz on the FX-6100 — a 47.6% clock advantage for the FX-6100 (base: 2 GHz vs 3.3 GHz). The Xeon L5638 uses the Westmere-EP (2010−2011) architecture (32 nm), while the FX-6100 uses Zambezi (2011−2012) (32 nm). In PassMark, the Xeon L5638 scores 3,707 against the FX-6100's 3,686 — a 0.6% lead for the Xeon L5638. L3 cache: 12 MB (total) on the Xeon L5638 vs 8 MB (total) on the FX-6100.
| Feature | Xeon L5638 | FX-6100 |
|---|---|---|
| Cores / Threads | 6 / 12 | 6 / 6 |
| Boost Clock | 2.4 GHz | 3.9 GHz+63% |
| Base Clock | 2 GHz | 3.3 GHz+65% |
| L3 Cache | 12 MB (total)+50% | 8 MB (total) |
| L2 Cache | 256 kB (per core) | 6 MB+2300% |
| Process | 32 nm | 32 nm |
| Architecture | Westmere-EP (2010−2011) | Zambezi (2011−2012) |
| PassMark | 3,707 | 3,686 |
Memory & Platform
The Xeon L5638 uses the LGA1366 socket (PCIe 4.0), while the FX-6100 uses AM3+ (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Xeon L5638 | FX-6100 |
|---|---|---|
| Socket | LGA1366 | AM3+ |
| PCIe Generation | PCIe 4.0+100% | PCIe 2.0 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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