Xeon E-2104G vs Atom C3955
Xeon E-2104G
Atom C3955
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 Xeon E-2104G is positioned at rank 476 and the Atom C3955 is on rank 765, 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 Xeon E-2104G
Performance Per Dollar Atom C3955
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E-2104G | Atom C3955 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($109) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Coffee Lake-S WS (2018−2019) / 14 nm) | ✨ Modern (Goldmont (2016−2017) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E-2104G | Atom C3955 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($109) | ✅ 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 Xeon E-2104G and Atom C3955
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.
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.
Processing Power
The Xeon E-2104G packs 4 cores / 4 threads, while the Atom C3955 offers 16 cores / 16 threads — the Atom C3955 has 12 more cores. Boost clocks reach 3.2 GHz on the Xeon E-2104G versus 2.4 GHz on the Atom C3955 — a 28.6% clock advantage for the Xeon E-2104G (base: 3.2 GHz vs 2.1 GHz). The Xeon E-2104G uses the Coffee Lake-S WS (2018−2019) architecture (14 nm), while the Atom C3955 uses Goldmont (2016−2017) (14 nm). In PassMark, the Xeon E-2104G scores 5,858 against the Atom C3955's 5,803 — a 0.9% lead for the Xeon E-2104G. L3 cache: 8 MB (total) on the Xeon E-2104G vs 16 MB on the Atom C3955.
| Feature | Xeon E-2104G | Atom C3955 |
|---|---|---|
| Cores / Threads | 4 / 4 | 16 / 16+300% |
| Boost Clock | 3.2 GHz+33% | 2.4 GHz |
| Base Clock | 3.2 GHz+52% | 2.1 GHz |
| L3 Cache | 8 MB (total) | 16 MB+100% |
| L2 Cache | 256 kB (per core) | 16 MB+6300% |
| Process | 14 nm | 14 nm |
| Architecture | Coffee Lake-S WS (2018−2019) | Goldmont (2016−2017) |
| PassMark | 5,858 | 5,803 |
Memory & Platform
The Xeon E-2104G uses the LGA1151 socket (PCIe 3.0), while the Atom C3955 uses FCBGA1310 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E-2104G | Atom C3955 |
|---|---|---|
| Socket | LGA1151 | FCBGA1310 |
| 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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