
Atom C3955 vs Xeon Bronze 3106

Atom C3955

Xeon Bronze 3106
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 Bronze 3106 is on rank 730, so the Xeon Bronze 3106 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 Bronze 3106
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom C3955 | Xeon Bronze 3106 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($395) |
| Longevity | ✨ Modern (Goldmont (2016−2017) / 14 nm) | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | Atom C3955 | Xeon Bronze 3106 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($395) |
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 Bronze 3106

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 Bronze 3106
The Xeon Bronze 3106 is manufactured by Intel. It was released in 11 July 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 8 cores and 8 threads. Base frequency is 1.7 GHz, with boost up to 3 GHz. L3 cache: 11 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 85 Watt. Memory support: DDR4-2133. Passmark benchmark score: 5,753 points. Launch price was $306.
Processing Power
The Atom C3955 packs 16 cores / 16 threads, while the Xeon Bronze 3106 offers 8 cores / 8 threads — the Atom C3955 has 8 more cores. Boost clocks reach 2.4 GHz on the Atom C3955 versus 3 GHz on the Xeon Bronze 3106 — a 22.2% clock advantage for the Xeon Bronze 3106 (base: 2.1 GHz vs 1.7 GHz). The Atom C3955 uses the Goldmont (2016−2017) architecture (14 nm), while the Xeon Bronze 3106 uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Atom C3955 scores 5,803 against the Xeon Bronze 3106's 5,753 — a 0.9% lead for the Atom C3955. L3 cache: 16 MB on the Atom C3955 vs 11 MB (total) on the Xeon Bronze 3106.
| Feature | Atom C3955 | Xeon Bronze 3106 |
|---|---|---|
| Cores / Threads | 16 / 16+100% | 8 / 8 |
| Boost Clock | 2.4 GHz | 3 GHz+25% |
| Base Clock | 2.1 GHz+24% | 1.7 GHz |
| L3 Cache | 16 MB+45% | 11 MB (total) |
| L2 Cache | 16 MB+1500% | 1 MB (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Goldmont (2016−2017) | Skylake (server) (2017−2018) |
| PassMark | 5,803 | 5,753 |
Memory & Platform
The Atom C3955 uses the FCBGA1310 socket (PCIe 3.0), while the Xeon Bronze 3106 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the Atom C3955 versus 2133 on the Xeon Bronze 3106 — the Xeon Bronze 3106 supports 199.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Bronze 3106 supports up to 768 of RAM compared to 256 GB — 100% more capacity for professional workloads. Memory channels: 2 (Atom C3955) vs 6 (Xeon Bronze 3106). PCIe lanes: 12 (Atom C3955) vs 48 (Xeon Bronze 3106) — the Xeon Bronze 3106 offers 36 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FCBGA1310 (Atom C3955) and C621 (Xeon Bronze 3106).
| Feature | Atom C3955 | Xeon Bronze 3106 |
|---|---|---|
| Socket | FCBGA1310 | LGA3647 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2400 | 2133+53225% |
| Max RAM Capacity | 256 GB+34952433% | 768 |
| RAM Channels | 2 | 6+200% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 12 | 48+300% |
Advanced Features
Virtualization: not specified (Atom C3955) / VT-x, VT-d (Xeon Bronze 3106).
| Feature | Atom C3955 | Xeon Bronze 3106 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | — | None |
| Unlocked | — | No |
| AVX-512 | — | Yes |
| Virtualization | — | VT-x, VT-d |
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