Ryzen 3 3300U vs Atom C3955
Aggregate performance score
Atom C3955 outperforms Ryzen 3 3300U by a minimal 2% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1729 | 1750 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.38 | no data |
| Market segment | Server | Laptop |
| Series | Intel Atom | AMD Ryzen 3 |
| Power efficiency | 4.37 | 9.12 |
| Designer | Intel | AMD |
| Manufacturer | no data | GlobalFoundries |
| Architecture codename | Goldmont (2016−2017) | Picasso (2019−2022) |
| Release date | 15 August 2017 (8 years ago) | 6 January 2019 (6 years ago) |
| Launch price (MSRP) | $434 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Atom C3955 and Ryzen 3 3300U basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 16 (Hexadeca-Core) | 4 (Quad-Core) |
| Threads | 16 | 4 |
| Base clock speed | 2.1 GHz | 2.1 GHz |
| Boost clock speed | 2.4 GHz | 3.5 GHz |
| Bus type | no data | PCIe 3.0 |
| Multiplier | 21 | 21 |
| L1 cache | 896 KB | 128K (per core) |
| L2 cache | 16 MB | 512K (per core) |
| L3 cache | 16 MB | 4 MB (shared) |
| Chip lithography | 14 nm | 12 nm |
| Die size | no data | 246 mm2 |
| Maximum core temperature | 78 °C | no data |
| Number of transistors | no data | 4940 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Atom C3955 and Ryzen 3 3300U compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 (Uniprocessor) | 1 (Uniprocessor) |
| Socket | FCBGA1310 | FP5 |
| Power consumption (TDP) | 32 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom C3955 and Ryzen 3 3300U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | XFR, FMA3, SSE 4.2, AVX2, SMT |
| AES-NI | + | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| QuickAssist | - | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | - | no data |
Security technologies
Atom C3955 and Ryzen 3 3300U technologies aimed at improving security, for example, by protecting against hacks.
| EDB | + | no data |
| Secure Boot | + | no data |
| SGX | - | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom C3955 and Ryzen 3 3300U are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom C3955 and Ryzen 3 3300U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4: 2400 | DDR4 Dual-channel |
| Maximum memory size | 256 GB | 64 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 38.397 GB/s | 38.397 GB/s |
| ECC memory support | + | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon RX Vega 6 (Ryzen 2000/3000) ( - 1200 MHz) |
Peripherals
Specifications and connection of peripherals supported by Atom C3955 and Ryzen 3 3300U.
| PCIe version | 3 | 3.0 |
| PCI Express lanes | 16 | 12 |
| USB revision | 3 | no data |
| Total number of SATA ports | 16 | no data |
| Number of USB ports | 8 | no data |
| Integrated LAN | 4x10/2.5/1 GBE | no data |
Synthetic benchmarks
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 3.29 | 3.22 |
| Recency | 15 August 2017 | 6 January 2019 |
| Physical cores | 16 | 4 |
| Threads | 16 | 4 |
| Chip lithography | 14 nm | 12 nm |
| Power consumption (TDP) | 32 Watt | 15 Watt |
Atom C3955 has a 2.2% higher aggregate performance score, and 300% more physical cores and 300% more threads.
Ryzen 3 3300U, on the other hand, has an age advantage of 1 year, a 16.7% more advanced lithography process, and 113.3% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Intel Atom C3955 and AMD Ryzen 3 3300U.
Be aware that Atom C3955 is a server/workstation processor while Ryzen 3 3300U is a notebook one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
