
Atom C3955 vs Core i5-10310U

Atom C3955

Core i5-10310U
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 Core i5-10310U is on rank 566, so the Core i5-10310U 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 Core i5-10310U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom C3955 | Core i5-10310U |
|---|---|---|
| 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 (Comet Lake-U (2019−2020) / 14 nm) |
💎 Value Proposition
| Insight | Atom C3955 | Core i5-10310U |
|---|---|---|
| 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 Core i5-10310U

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.

Core i5-10310U
The Core i5-10310U is manufactured by Intel. It was released in 13 May 2020 (5 years ago). It is based on the Comet Lake-U (2019−2020) architecture. It features 4 cores and 8 threads. Base frequency is 1.7 GHz, with boost up to 4.4 GHz. L3 cache: 6 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 5,864 points. Launch price was $149.
Processing Power
The Atom C3955 packs 16 cores / 16 threads, while the Core i5-10310U offers 4 cores / 8 threads — the Atom C3955 has 12 more cores. Boost clocks reach 2.4 GHz on the Atom C3955 versus 4.4 GHz on the Core i5-10310U — a 58.8% clock advantage for the Core i5-10310U (base: 2.1 GHz vs 1.7 GHz). The Atom C3955 uses the Goldmont (2016−2017) architecture (14 nm), while the Core i5-10310U uses Comet Lake-U (2019−2020) (14 nm). In PassMark, the Atom C3955 scores 5,803 against the Core i5-10310U's 5,864 — a 1% lead for the Core i5-10310U. L3 cache: 16 MB on the Atom C3955 vs 6 MB on the Core i5-10310U.
| Feature | Atom C3955 | Core i5-10310U |
|---|---|---|
| Cores / Threads | 16 / 16+300% | 4 / 8 |
| Boost Clock | 2.4 GHz | 4.4 GHz+83% |
| Base Clock | 2.1 GHz+24% | 1.7 GHz |
| L3 Cache | 16 MB+167% | 6 MB |
| L2 Cache | 16 MB+1500% | 1 MB |
| Process | 14 nm | 14 nm |
| Architecture | Goldmont (2016−2017) | Comet Lake-U (2019−2020) |
| PassMark | 5,803 | 5,864+1% |
| Geekbench 6 Single | — | 1,284 |
Memory & Platform
The Atom C3955 uses the FCBGA1310 socket (PCIe 3.0), while the Core i5-10310U uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-2400 memory speed. The Atom C3955 supports up to 256 GB of RAM compared to 64 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Atom C3955) vs 16 (Core i5-10310U) — the Core i5-10310U offers 4 more lanes for additional GPUs or NVMe drives.
| Feature | Atom C3955 | Core i5-10310U |
|---|---|---|
| Socket | FCBGA1310 | FCBGA1528 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2400 | DDR4-2666 |
| Max RAM Capacity | 256 GB+300% | 64 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 12 | 16+33% |
Advanced Features
Virtualization: not specified (Atom C3955) / VT-x, VT-d, EPT (Core i5-10310U). The Core i5-10310U includes integrated graphics (UHD Graphics for 10th Gen), while the Atom C3955 requires a dedicated GPU. Primary use case: Core i5-10310U targets Business Laptop. Direct competitor: Core i5-10310U rivals Ryzen 5 PRO 4650U.
| Feature | Atom C3955 | Core i5-10310U |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | UHD Graphics for 10th Gen |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d, EPT |
| Target Use | — | Business Laptop |
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