Atom C3955 vs Xeon E5-2430
Atom C3955
Xeon E5-2430
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 C3955 is positioned at rank 765 and the Xeon E5-2430 is on rank 501, so the Xeon E5-2430 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom C3955
Performance Per Dollar Xeon E5-2430
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom C3955 | Xeon E5-2430 |
|---|---|---|
| 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 (Sandy Bridge-EN (2012) / 32 nm) |
💎 Value Proposition
| Insight | Atom C3955 | Xeon E5-2430 |
|---|---|---|
| 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 C3955 and Xeon E5-2430
Atom C3955
The Atom C3955 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 16 cores and 16 threads. Base frequency is 2.1 GHz, with boost up to 2.4 GHz. L3 cache: 16 MB. L2 cache: 16 MB. Built on 14 nm process technology. Socket: FCBGA1310. Thermal design power (TDP): 32 Watt. Memory support: DDR4: 2400. Passmark benchmark score: 5,803 points. Launch price was $434.
Xeon E5-2430
The Xeon E5-2430 is manufactured by Intel. It was released in 14 May 2012 (13 years ago). It is based on the Sandy Bridge-EN (2012) architecture. It features 6 cores and 12 threads. Base frequency is 2.2 GHz, with boost up to 2.7 GHz. L3 cache: 15360 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1356. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,755 points. Launch price was $119.
Processing Power
The Atom C3955 packs 16 cores / 16 threads, while the Xeon E5-2430 offers 6 cores / 12 threads — the Atom C3955 has 10 more cores. Boost clocks reach 2.4 GHz on the Atom C3955 versus 2.7 GHz on the Xeon E5-2430 — a 11.8% clock advantage for the Xeon E5-2430 (base: 2.1 GHz vs 2.2 GHz). The Atom C3955 uses the Goldmont (2016−2017) architecture (14 nm), while the Xeon E5-2430 uses Sandy Bridge-EN (2012) (32 nm). In PassMark, the Atom C3955 scores 5,803 against the Xeon E5-2430's 5,755 — a 0.8% lead for the Atom C3955. L3 cache: 16 MB on the Atom C3955 vs 15360 kB (total) on the Xeon E5-2430.
| Feature | Atom C3955 | Xeon E5-2430 |
|---|---|---|
| Cores / Threads | 16 / 16+167% | 6 / 12 |
| Boost Clock | 2.4 GHz | 2.7 GHz+13% |
| Base Clock | 2.1 GHz | 2.2 GHz+5% |
| L3 Cache | 16 MB+7% | 15360 kB (total) |
| L2 Cache | 16 MB+6300% | 256 kB (per core) |
| Process | 14 nm-56% | 32 nm |
| Architecture | Goldmont (2016−2017) | Sandy Bridge-EN (2012) |
| PassMark | 5,803 | 5,755 |
Memory & Platform
The Atom C3955 uses the FCBGA1310 socket (PCIe 3.0), while the Xeon E5-2430 uses LGA1356 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Atom C3955 | Xeon E5-2430 |
|---|---|---|
| Socket | FCBGA1310 | LGA1356 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-2400 | — |
| Max RAM Capacity | 256 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 12 | — |
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