Core i5-3340S vs Atom C3958
Core i5-3340S
Atom C3958
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 i5-3340S is positioned at rank 754 and the Atom C3958 is on rank 902, 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 Core i5-3340S
Performance Per Dollar Atom C3958
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-3340S | Atom C3958 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($25) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Legacy / 22 nm) | ✨ Modern (Goldmont (2016−2017) / 14 nm) |
💎 Value Proposition
| Insight | Core i5-3340S | Atom C3958 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($25) | ✅ 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 Core i5-3340S and Atom C3958
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.
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.
Processing Power
The Core i5-3340S packs 4 cores / 4 threads, while the Atom C3958 offers 16 cores / 16 threads — the Atom C3958 has 12 more cores. Boost clocks reach 3.3 GHz on the Core i5-3340S versus 2 GHz on the Atom C3958 — a 49.1% clock advantage for the Core i5-3340S (base: 2.8 GHz vs 2 GHz). The Atom C3958 is built on the Goldmont (2016−2017) architecture. In PassMark, the Core i5-3340S scores 3,962 against the Atom C3958's 3,929 — a 0.8% lead for the Core i5-3340S. L3 cache: 6 MB Intel® Smart Cache on the Core i5-3340S vs 16 MB on the Atom C3958.
| Feature | Core i5-3340S | Atom C3958 |
|---|---|---|
| Cores / Threads | 4 / 4 | 16 / 16+300% |
| Boost Clock | 3.3 GHz+65% | 2 GHz |
| Base Clock | 2.8 GHz+40% | 2 GHz |
| L3 Cache | 6 MB Intel® Smart Cache | 16 MB+167% |
| L2 Cache | — | 16 MB |
| Process | 22 nm | 14 nm-36% |
| Architecture | — | Goldmont (2016−2017) |
| PassMark | 3,962 | 3,929 |
Memory & Platform
The Core i5-3340S uses the LGA1155 socket (PCIe 3.0), while the Atom C3958 uses FCBGA1310 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i5-3340S | Atom C3958 |
|---|---|---|
| Socket | LGA1155 | 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 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Core i5-3340S and Atom C3958
