
Atom C3958 vs Core i5-3340S

Atom C3958

Core i5-3340S
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 C3958 is positioned at rank 902 and the Core i5-3340S is on rank 754, so the Core i5-3340S offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom C3958
Performance Per Dollar Core i5-3340S
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom C3958 | Core i5-3340S |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($25) |
| Longevity | ✨ Modern (Goldmont (2016−2017) / 14 nm) | 🛑 Legacy (Legacy / 22 nm) |
💎 Value Proposition
| Insight | Atom C3958 | Core i5-3340S |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($25) |
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 C3958 and Core i5-3340S

Atom C3958
The Atom C3958 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 GHz, with boost up to 2 GHz. L3 cache: 16 MB. L2 cache: 16 MB. Built on 14 nm process technology. Socket: FCBGA1310. Thermal design power (TDP): 31 Watt. Memory support: DDR4: 2400. Passmark benchmark score: 3,929 points. Launch price was $449.

Core i5-3340S
The Core i5-3340S is manufactured by Intel. It was released in 1 July 2013 (12 years ago). It features 4 cores and 4 threads. Base frequency is 2.8 GHz, with boost up to 3.3 GHz. L3 cache: 6 MB Intel® Smart Cache. Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3-1333, DDR3-1600. Passmark benchmark score: 3,962 points. Launch price was $69.
Processing Power
The Atom C3958 packs 16 cores / 16 threads, while the Core i5-3340S offers 4 cores / 4 threads — the Atom C3958 has 12 more cores. Boost clocks reach 2 GHz on the Atom C3958 versus 3.3 GHz on the Core i5-3340S — a 49.1% clock advantage for the Core i5-3340S (base: 2 GHz vs 2.8 GHz). The Atom C3958 is built on the Goldmont (2016−2017) architecture. In PassMark, the Atom C3958 scores 3,929 against the Core i5-3340S's 3,962 — a 0.8% lead for the Core i5-3340S. L3 cache: 16 MB on the Atom C3958 vs 6 MB Intel® Smart Cache on the Core i5-3340S.
| Feature | Atom C3958 | Core i5-3340S |
|---|---|---|
| Cores / Threads | 16 / 16+300% | 4 / 4 |
| Boost Clock | 2 GHz | 3.3 GHz+65% |
| Base Clock | 2 GHz | 2.8 GHz+40% |
| L3 Cache | 16 MB+167% | 6 MB Intel® Smart Cache |
| L2 Cache | 16 MB | — |
| Process | 14 nm-36% | 22 nm |
| Architecture | Goldmont (2016−2017) | — |
| PassMark | 3,929 | 3,962 |
Memory & Platform
The Atom C3958 uses the FCBGA1310 socket (PCIe 3.0), while the Core i5-3340S uses LGA1155 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Atom C3958 | Core i5-3340S |
|---|---|---|
| Socket | FCBGA1310 | LGA1155 |
| 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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