CPU
GPU
Xeon Platinum 8260L
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 Platinum 8260L is positioned at rank 1030 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 Platinum 8260L
Performance Per Dollar Atom C3858
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Platinum 8260L | Atom C3858 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($750) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Cascade Lake (2019−2020) / 14 nm) | ✨ Modern (Goldmont (2016−2017) / 14 nm) |
💎 Value Proposition
| Insight | Xeon Platinum 8260L | Atom C3858 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($750) | ✅ 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 Platinum 8260L and Atom C3858
Xeon Platinum 8260L
The Xeon Platinum 8260L is manufactured by Intel. It was released in 2 April 2019 (6 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 24 cores and 48 threads. Base frequency is 2.4 GHz, with boost up to 3.9 GHz. L3 cache: 35.75 MB. L2 cache: 24 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2933. Passmark benchmark score: 5,103 points. Launch price was $12,599.
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 Platinum 8260L packs 24 cores / 48 threads, while the Atom C3858 offers 12 cores / 12 threads — the Xeon Platinum 8260L has 12 more cores. Boost clocks reach 3.9 GHz on the Xeon Platinum 8260L versus 2 GHz on the Atom C3858 — a 64.4% clock advantage for the Xeon Platinum 8260L (base: 2.4 GHz vs 2 GHz). The Xeon Platinum 8260L uses the Cascade Lake (2019−2020) architecture (14 nm), while the Atom C3858 uses Goldmont (2016−2017) (14 nm). In PassMark, the Xeon Platinum 8260L scores 5,103 against the Atom C3858's 5,040 — a 1.2% lead for the Xeon Platinum 8260L. L3 cache: 35.75 MB on the Xeon Platinum 8260L vs 12 MB on the Atom C3858.
| Feature | Xeon Platinum 8260L | Atom C3858 |
|---|---|---|
| Cores / Threads | 24 / 48+100% | 12 / 12 |
| Boost Clock | 3.9 GHz+95% | 2 GHz |
| Base Clock | 2.4 GHz+20% | 2 GHz |
| L3 Cache | 35.75 MB+198% | 12 MB |
| L2 Cache | 24 MB+100% | 12 MB |
| Process | 14 nm | 14 nm |
| Architecture | Cascade Lake (2019−2020) | Goldmont (2016−2017) |
| PassMark | 5,103+1% | 5,040 |
Memory & Platform
The Xeon Platinum 8260L uses the LGA3647 socket (PCIe 3.0), while the Atom C3858 uses FCBGA1310 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 2933 on the Xeon Platinum 8260L versus DDR4-2400 on the Atom C3858 — the Xeon Platinum 8260L supports 199.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Platinum 8260L supports up to 4608 of RAM compared to 256 GB — 178.9% more capacity for professional workloads. Memory channels: 6 (Xeon Platinum 8260L) vs 2 (Atom C3858). PCIe lanes: 48 (Xeon Platinum 8260L) vs 12 (Atom C3858) — the Xeon Platinum 8260L offers 36 more lanes for additional GPUs or NVMe drives.
| Feature | Xeon Platinum 8260L | Atom C3858 |
|---|---|---|
| Socket | LGA3647 | FCBGA1310 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | 2933+73225% | DDR4-2400 |
| Max RAM Capacity | 4608 | 256 GB+5825322% |
| RAM Channels | 6+200% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 48+300% | 12 |
Advanced Features
Virtualization: true (Xeon Platinum 8260L) / not specified (Atom C3858).
| Feature | Xeon Platinum 8260L | Atom C3858 |
|---|---|---|
| Integrated GPU | No | No |
| Virtualization | true | — |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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