Atom C3808 vs Xeon E3-1205 v6
Atom C3808
Xeon E3-1205 v6
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 Xeon E3-1205 v6 is on rank 507, so the Xeon E3-1205 v6 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 Xeon E3-1205 v6
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom C3808 | Xeon E3-1205 v6 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Goldmont (2016−2017) / 14 nm) | ✨ Modern (Kaby Lake (2016−2019) / 14 nm) |
💎 Value Proposition
| Insight | Atom C3808 | Xeon E3-1205 v6 |
|---|---|---|
| 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 Xeon E3-1205 v6
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.
Xeon E3-1205 v6
The Xeon E3-1205 v6 is manufactured by Intel. It was released in 28 March 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 4 cores and 4 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 65 Watt. Memory support: DDR4-2400, DDR3L-1866. Passmark benchmark score: 5,682 points. Launch price was $193.
Processing Power
The Atom C3808 packs 12 cores / 12 threads, while the Xeon E3-1205 v6 offers 4 cores / 4 threads — the Atom C3808 has 8 more cores. Boost clocks reach 2 GHz on the Atom C3808 versus 3 GHz on the Xeon E3-1205 v6 — a 40% clock advantage for the Xeon E3-1205 v6 (base: 2 GHz vs 3 GHz). The Atom C3808 uses the Goldmont (2016−2017) architecture (14 nm), while the Xeon E3-1205 v6 uses Kaby Lake (2016−2019) (14 nm). In PassMark, the Atom C3808 scores 5,671 against the Xeon E3-1205 v6's 5,682 — a 0.2% lead for the Xeon E3-1205 v6. L3 cache: 12 MB on the Atom C3808 vs 8 MB on the Xeon E3-1205 v6.
| Feature | Atom C3808 | Xeon E3-1205 v6 |
|---|---|---|
| Cores / Threads | 12 / 12+200% | 4 / 4 |
| Boost Clock | 2 GHz | 3 GHz+50% |
| Base Clock | 2 GHz | 3 GHz+50% |
| L3 Cache | 12 MB+50% | 8 MB |
| L2 Cache | 12 MB+1100% | 1 MB |
| Process | 14 nm | 14 nm |
| Architecture | Goldmont (2016−2017) | Kaby Lake (2016−2019) |
| PassMark | 5,671 | 5,682 |
Memory & Platform
The Atom C3808 uses the FCBGA1310 socket (PCIe 3.0), while the Xeon E3-1205 v6 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Atom C3808 | Xeon E3-1205 v6 |
|---|---|---|
| Socket | FCBGA1310 | LGA1151 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2133 | — |
| Max RAM Capacity | 256 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 12 | — |
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