CPU
GPU
Xeon W-2102
Atom C3858
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 W-2102 is positioned at rank 551 and the Atom C3858 is on rank 310, so the Atom C3858 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon W-2102
Performance Per Dollar Atom C3858
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon W-2102 | Atom C3858 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($286) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) | ✨ Modern (Goldmont (2016−2017) / 14 nm) |
💎 Value Proposition
| Insight | Xeon W-2102 | Atom C3858 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($286) | ✅ More affordable ($0) |
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 W-2102 and Atom C3858
Xeon W-2102
The Xeon W-2102 is manufactured by Intel. It was released in 29 August 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 4 cores and 4 threads. Base frequency is 2.9 GHz, with boost up to 2.9 GHz. L3 cache: 8.25 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 120 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400. Passmark benchmark score: 5,098 points. Launch price was $202.
Atom C3858
The Atom C3858 is manufactured by Intel. It was released in 15 August 2017 (8 years ago). It is based on the Goldmont (2016−2017) architecture. It features 12 cores and 12 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 12 MB. L2 cache: 12 MB. Built on 14 nm process technology. Socket: FCBGA1310. Thermal design power (TDP): 25 Watt. Memory support: DDR4: 2400. Passmark benchmark score: 5,040 points. Launch price was $332.
Processing Power
The Xeon W-2102 packs 4 cores / 4 threads, while the Atom C3858 offers 12 cores / 12 threads — the Atom C3858 has 8 more cores. Boost clocks reach 2.9 GHz on the Xeon W-2102 versus 2 GHz on the Atom C3858 — a 36.7% clock advantage for the Xeon W-2102 (base: 2.9 GHz vs 2 GHz). The Xeon W-2102 uses the Skylake (server) (2017−2018) architecture (14 nm), while the Atom C3858 uses Goldmont (2016−2017) (14 nm). In PassMark, the Xeon W-2102 scores 5,098 against the Atom C3858's 5,040 — a 1.1% lead for the Xeon W-2102. L3 cache: 8.25 MB (total) on the Xeon W-2102 vs 12 MB on the Atom C3858.
| Feature | Xeon W-2102 | Atom C3858 |
|---|---|---|
| Cores / Threads | 4 / 4 | 12 / 12+200% |
| Boost Clock | 2.9 GHz+45% | 2 GHz |
| Base Clock | 2.9 GHz+45% | 2 GHz |
| L3 Cache | 8.25 MB (total) | 12 MB+45% |
| L2 Cache | 1 MB (per core) | 12 MB+1100% |
| Process | 14 nm | 14 nm |
| Architecture | Skylake (server) (2017−2018) | Goldmont (2016−2017) |
| PassMark | 5,098+1% | 5,040 |
Memory & Platform
The Xeon W-2102 uses the LGA2066 socket (PCIe 3.0), while the Atom C3858 uses FCBGA1310 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon W-2102 | Atom C3858 |
|---|---|---|
| Socket | LGA2066 | FCBGA1310 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | — | DDR4-2400 |
| Max RAM Capacity | — | 256 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 12 |
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