Atom C3808 vs Opteron 6366 HE
Atom C3808
Opteron 6366 HE
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 Atom C3808 is positioned at rank 737 and the Opteron 6366 HE is on rank 62, so the Opteron 6366 HE offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom C3808
Performance Per Dollar Opteron 6366 HE
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom C3808 | Opteron 6366 HE |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Goldmont (2016−2017) / 14 nm) | 🛑 Legacy (Abu Dhabi (2012) / 32 nm) |
💎 Value Proposition
| Insight | Atom C3808 | Opteron 6366 HE |
|---|---|---|
| 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 Atom C3808 and Opteron 6366 HE
Atom C3808
The Atom C3808 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: 2133. Passmark benchmark score: 5,671 points. Launch price was $369.
Opteron 6366 HE
The Opteron 6366 HE is manufactured by AMD. It was released in 2015-01-01. It is based on the Abu Dhabi (2012) architecture. It features 16 cores and 16 threads. Base frequency is 1.8 GHz, with boost up to 3.1 GHz. L3 cache: 8 MB (total). L2 cache: 16 MB. Built on 32 nm process technology. Socket: G34. Thermal design power (TDP): 85 Watt. Memory support: DDR3. Passmark benchmark score: 5,613 points. Launch price was $800.
Processing Power
The Atom C3808 packs 12 cores / 12 threads, while the Opteron 6366 HE offers 16 cores / 16 threads — the Opteron 6366 HE has 4 more cores. Boost clocks reach 2 GHz on the Atom C3808 versus 3.1 GHz on the Opteron 6366 HE — a 43.1% clock advantage for the Opteron 6366 HE (base: 2 GHz vs 1.8 GHz). The Atom C3808 uses the Goldmont (2016−2017) architecture (14 nm), while the Opteron 6366 HE uses Abu Dhabi (2012) (32 nm). In PassMark, the Atom C3808 scores 5,671 against the Opteron 6366 HE's 5,613 — a 1% lead for the Atom C3808. L3 cache: 12 MB on the Atom C3808 vs 8 MB (total) on the Opteron 6366 HE.
| Feature | Atom C3808 | Opteron 6366 HE |
|---|---|---|
| Cores / Threads | 12 / 12 | 16 / 16+33% |
| Boost Clock | 2 GHz | 3.1 GHz+55% |
| Base Clock | 2 GHz+11% | 1.8 GHz |
| L3 Cache | 12 MB+50% | 8 MB (total) |
| L2 Cache | 12 MB | 16 MB+33% |
| Process | 14 nm-56% | 32 nm |
| Architecture | Goldmont (2016−2017) | Abu Dhabi (2012) |
| PassMark | 5,671+1% | 5,613 |
Memory & Platform
The Atom C3808 uses the FCBGA1310 socket (PCIe 3.0), while the Opteron 6366 HE uses G34 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Atom C3808 | Opteron 6366 HE |
|---|---|---|
| Socket | FCBGA1310 | G34 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-2133 | — |
| Max RAM Capacity | 256 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 12 | — |
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