CPU
GPU
Xeon L5638
PRO A10-8850B
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 PRO A10-8850B is on rank 281, so the PRO A10-8850B 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 PRO A10-8850B
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon L5638 | PRO A10-8850B |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) | 🛑 Legacy (Godaveri (2014−2016) / 28 nm) |
💎 Value Proposition
| Insight | Xeon L5638 | PRO A10-8850B |
|---|---|---|
| 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 L5638 and PRO A10-8850B
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.
PRO A10-8850B
The PRO A10-8850B is manufactured by AMD. It was released in 29 September 2015 (10 years ago). It is based on the Godaveri (2014−2016) architecture. It features 4 cores and 4 threads. Base frequency is 3.9 GHz, with boost up to 4.1 GHz. L2 cache: 4096 kB. Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 95 Watt. Memory support: DDR3-2133. Passmark benchmark score: 3,752 points. Launch price was $69.
Processing Power
The Xeon L5638 packs 6 cores / 12 threads, while the PRO A10-8850B offers 4 cores / 4 threads — the Xeon L5638 has 2 more cores. Boost clocks reach 2.4 GHz on the Xeon L5638 versus 4.1 GHz on the PRO A10-8850B — a 52.3% clock advantage for the PRO A10-8850B (base: 2 GHz vs 3.9 GHz). The Xeon L5638 uses the Westmere-EP (2010−2011) architecture (32 nm), while the PRO A10-8850B uses Godaveri (2014−2016) (28 nm). In PassMark, the Xeon L5638 scores 3,707 against the PRO A10-8850B's 3,752 — a 1.2% lead for the PRO A10-8850B.
| Feature | Xeon L5638 | PRO A10-8850B |
|---|---|---|
| Cores / Threads | 6 / 12+50% | 4 / 4 |
| Boost Clock | 2.4 GHz | 4.1 GHz+71% |
| Base Clock | 2 GHz | 3.9 GHz+95% |
| L3 Cache | 12 MB (total) | — |
| L2 Cache | 256 kB (per core) | 4096 kB+1500% |
| Process | 32 nm | 28 nm-13% |
| Architecture | Westmere-EP (2010−2011) | Godaveri (2014−2016) |
| PassMark | 3,707 | 3,752+1% |
Memory & Platform
The Xeon L5638 uses the LGA1366 socket (PCIe 4.0), while the PRO A10-8850B uses FM2+ (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon L5638 | PRO A10-8850B |
|---|---|---|
| Socket | LGA1366 | FM2+ |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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