
Ryzen 3 PRO 3300U vs Atom C3955

Ryzen 3 PRO 3300U

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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar Atom C3955
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 3 PRO 3300U | 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 (Picasso (2019−2022) / 12 nm) | ✨ Modern (Goldmont (2016−2017) / 14 nm) |
💎 Value Proposition
| Insight | Ryzen 3 PRO 3300U | 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 Ryzen 3 PRO 3300U and Atom C3955

Ryzen 3 PRO 3300U
The Ryzen 3 PRO 3300U is manufactured by AMD. It was released in 8 April 2019 (6 years ago). It is based on the Picasso (2019−2022) architecture. It features 4 cores and 4 threads. Base frequency is 2.1 GHz, with boost up to 3.5 GHz. L3 cache: 4 MB (total). L2 cache: 512K (per core). Built on 12 nm process technology. Socket: FP5. Thermal design power (TDP): 15 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 5,831 points. Launch price was $149.

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 Ryzen 3 PRO 3300U packs 4 cores / 4 threads, while the Atom C3955 offers 16 cores / 16 threads — the Atom C3955 has 12 more cores. Boost clocks reach 3.5 GHz on the Ryzen 3 PRO 3300U versus 2.4 GHz on the Atom C3955 — a 37.3% clock advantage for the Ryzen 3 PRO 3300U (base: 2.1 GHz vs 2.1 GHz). The Ryzen 3 PRO 3300U uses the Picasso (2019−2022) architecture (12 nm), while the Atom C3955 uses Goldmont (2016−2017) (14 nm). In PassMark, the Ryzen 3 PRO 3300U scores 5,831 against the Atom C3955's 5,803 — a 0.5% lead for the Ryzen 3 PRO 3300U. L3 cache: 4 MB (total) on the Ryzen 3 PRO 3300U vs 16 MB on the Atom C3955.
| Feature | Ryzen 3 PRO 3300U | Atom C3955 |
|---|---|---|
| Cores / Threads | 4 / 4 | 16 / 16+300% |
| Boost Clock | 3.5 GHz+46% | 2.4 GHz |
| Base Clock | 2.1 GHz | 2.1 GHz |
| L3 Cache | 4 MB (total) | 16 MB+300% |
| L2 Cache | 512K (per core) | 16 MB+3100% |
| Process | 12 nm-14% | 14 nm |
| Architecture | Picasso (2019−2022) | Goldmont (2016−2017) |
| PassMark | 5,831 | 5,803 |
Memory & Platform
The Ryzen 3 PRO 3300U uses the FP5 socket (PCIe 3.0), while the Atom C3955 uses FCBGA1310 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Ryzen 3 PRO 3300U | Atom C3955 |
|---|---|---|
| Socket | FP5 | 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.

















