Opteron 6238 vs Atom C3808
Opteron 6238
Atom C3808
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 Opteron 6238 is positioned at rank 61 and the Atom C3808 is on rank 737, so the Opteron 6238 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Opteron 6238
Performance Per Dollar Atom C3808
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Opteron 6238 | Atom C3808 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($118) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Interlagos (2011−2012) / 32 nm) | ✨ Modern (Goldmont (2016−2017) / 14 nm) |
💎 Value Proposition
| Insight | Opteron 6238 | Atom C3808 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($118) | ✅ 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 Opteron 6238 and Atom C3808
Opteron 6238
The Opteron 6238 is manufactured by AMD. It was released in 14 November 2011 (14 years ago). It is based on the Interlagos (2011−2012) architecture. It features 12 cores and 12 threads. Base frequency is 2.6 GHz, with boost up to 3.2 GHz. L3 cache: 8 MB (total). L2 cache: 2 MB (per module). Built on 32 nm process technology. Socket: G34. Thermal design power (TDP): 115 Watt. Memory support: DDR3. Passmark benchmark score: 5,625 points. Launch price was $455.
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.
Processing Power
Both the Opteron 6238 and Atom C3808 share an identical 12-core/12-thread configuration. Boost clocks reach 3.2 GHz on the Opteron 6238 versus 2 GHz on the Atom C3808 — a 46.2% clock advantage for the Opteron 6238 (base: 2.6 GHz vs 2 GHz). The Opteron 6238 uses the Interlagos (2011−2012) architecture (32 nm), while the Atom C3808 uses Goldmont (2016−2017) (14 nm). In PassMark, the Opteron 6238 scores 5,625 against the Atom C3808's 5,671 — a 0.8% lead for the Atom C3808. L3 cache: 8 MB (total) on the Opteron 6238 vs 12 MB on the Atom C3808.
| Feature | Opteron 6238 | Atom C3808 |
|---|---|---|
| Cores / Threads | 12 / 12 | 12 / 12 |
| Boost Clock | 3.2 GHz+60% | 2 GHz |
| Base Clock | 2.6 GHz+30% | 2 GHz |
| L3 Cache | 8 MB (total) | 12 MB+50% |
| L2 Cache | 2 MB (per module) | 12 MB+500% |
| Process | 32 nm | 14 nm-56% |
| Architecture | Interlagos (2011−2012) | Goldmont (2016−2017) |
| PassMark | 5,625 | 5,671 |
Memory & Platform
The Opteron 6238 uses the G34 socket (PCIe 2.0), while the Atom C3808 uses FCBGA1310 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Opteron 6238 | Atom C3808 |
|---|---|---|
| Socket | G34 | FCBGA1310 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | — | DDR4-2133 |
| Max RAM Capacity | — | 256 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 12 |
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