Core i3-1115G4 vs Atom C3955
Core i3-1115G4
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 Core i3-1115G4 is positioned at rank 567 and the Atom C3955 is on rank 765, so the Core i3-1115G4 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i3-1115G4
Performance Per Dollar Atom C3955
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-1115G4 | Atom C3955 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Tiger Lake-UP3 (2020−2021) / 10 nm SuperFin) | ✨ Modern (Goldmont (2016−2017) / 14 nm) |
💎 Value Proposition
| Insight | Core i3-1115G4 | Atom C3955 |
|---|---|---|
| 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 Core i3-1115G4 and Atom C3955
Core i3-1115G4
The Core i3-1115G4 is manufactured by Intel. It was released in 2 September 2020 (5 years ago). It is based on the Tiger Lake-UP3 (2020−2021) architecture. It features 2 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 4.1 GHz. L3 cache: 6 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1449. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 5,860 points. Launch price was $281.
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 Core i3-1115G4 packs 2 cores / 4 threads, while the Atom C3955 offers 16 cores / 16 threads — the Atom C3955 has 14 more cores. Boost clocks reach 4.1 GHz on the Core i3-1115G4 versus 2.4 GHz on the Atom C3955 — a 52.3% clock advantage for the Core i3-1115G4 (base: 2.2 GHz vs 2.1 GHz). The Core i3-1115G4 uses the Tiger Lake-UP3 (2020−2021) architecture (10 nm SuperFin), while the Atom C3955 uses Goldmont (2016−2017) (14 nm). In PassMark, the Core i3-1115G4 scores 5,860 against the Atom C3955's 5,803 — a 1% lead for the Core i3-1115G4. L3 cache: 6 MB (total) on the Core i3-1115G4 vs 16 MB on the Atom C3955.
| Feature | Core i3-1115G4 | Atom C3955 |
|---|---|---|
| Cores / Threads | 2 / 4 | 16 / 16+700% |
| Boost Clock | 4.1 GHz+71% | 2.4 GHz |
| Base Clock | 2.2 GHz+5% | 2.1 GHz |
| L3 Cache | 6 MB (total) | 16 MB+167% |
| L2 Cache | 1.25 MB (per core) | 16 MB+1180% |
| Process | 10 nm SuperFin-29% | 14 nm |
| Architecture | Tiger Lake-UP3 (2020−2021) | Goldmont (2016−2017) |
| PassMark | 5,860 | 5,803 |
| Geekbench 6 Single | 1,579 | — |
Memory & Platform
The Core i3-1115G4 uses the FCBGA1449 socket (PCIe 4.0), while the Atom C3955 uses FCBGA1310 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 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: 4 (Core i3-1115G4) vs 12 (Atom C3955) — the Atom C3955 offers 8 more lanes for additional GPUs or NVMe drives.
| Feature | Core i3-1115G4 | Atom C3955 |
|---|---|---|
| Socket | FCBGA1449 | FCBGA1310 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | DDR4-3200 | DDR4-2400 |
| Max RAM Capacity | 64 GB | 256 GB+300% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 4 | 12+200% |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Core i3-1115G4) / not specified (Atom C3955). The Core i3-1115G4 includes integrated graphics (UHD Graphics for 11th Gen (48 EU)), while the Atom C3955 requires a dedicated GPU. Primary use case: Core i3-1115G4 targets Mainstream Laptop. Direct competitor: Core i3-1115G4 rivals Ryzen 3 5300U.
| Feature | Core i3-1115G4 | Atom C3955 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | UHD Graphics for 11th Gen (48 EU) | — |
| Unlocked | No | — |
| AVX-512 | Yes | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | Mainstream Laptop | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Core i3-1115G4 and Atom C3955
