Atom C3955 vs Xeon E-2104G
Atom C3955
Xeon E-2104G
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 E-2104G is on rank 476, so the Xeon E-2104G 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 E-2104G
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom C3955 | Xeon E-2104G |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($109) |
| Longevity | ✨ Modern (Goldmont (2016−2017) / 14 nm) | ✨ Modern (Coffee Lake-S WS (2018−2019) / 14 nm) |
💎 Value Proposition
| Insight | Atom C3955 | Xeon E-2104G |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($109) |
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 E-2104G
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 E-2104G
The Xeon E-2104G is manufactured by Intel. It was released in 12 July 2018 (7 years ago). It is based on the Coffee Lake-S WS (2018−2019) architecture. It features 4 cores and 4 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 65 Watt. Memory support: DDR4-2666. Passmark benchmark score: 5,858 points. Launch price was $193.
Processing Power
The Atom C3955 packs 16 cores / 16 threads, while the Xeon E-2104G offers 4 cores / 4 threads — the Atom C3955 has 12 more cores. Boost clocks reach 2.4 GHz on the Atom C3955 versus 3.2 GHz on the Xeon E-2104G — a 28.6% clock advantage for the Xeon E-2104G (base: 2.1 GHz vs 3.2 GHz). The Atom C3955 uses the Goldmont (2016−2017) architecture (14 nm), while the Xeon E-2104G uses Coffee Lake-S WS (2018−2019) (14 nm). In PassMark, the Atom C3955 scores 5,803 against the Xeon E-2104G's 5,858 — a 0.9% lead for the Xeon E-2104G. L3 cache: 16 MB on the Atom C3955 vs 8 MB (total) on the Xeon E-2104G.
| Feature | Atom C3955 | Xeon E-2104G |
|---|---|---|
| Cores / Threads | 16 / 16+300% | 4 / 4 |
| Boost Clock | 2.4 GHz | 3.2 GHz+33% |
| Base Clock | 2.1 GHz | 3.2 GHz+52% |
| L3 Cache | 16 MB+100% | 8 MB (total) |
| L2 Cache | 16 MB+6300% | 256 kB (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Goldmont (2016−2017) | Coffee Lake-S WS (2018−2019) |
| PassMark | 5,803 | 5,858 |
Memory & Platform
The Atom C3955 uses the FCBGA1310 socket (PCIe 3.0), while the Xeon E-2104G uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Atom C3955 | Xeon E-2104G |
|---|---|---|
| Socket | FCBGA1310 | LGA1151 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2400 | — |
| Max RAM Capacity | 256 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 12 | — |
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