Intel Atom C3955: specs and benchmarks
Aggregate performance score
Atom C3955 provides poor benchmark performance at 3.65% of a leader's which is a 96-core EPYC 9655P.
Summary
Intel started Atom C3955 sales 15 August 2017 at a recommended price of $434. This is a Goldmont architecture desktop processor primarily aimed at office systems. It has 16 cores and 16 threads, and is based on 14 nm manufacturing technology, with a maximum frequency of 2400 MHz and a locked multiplier.
Compatibility-wise, this is FCBGA1310 processor with a TDP of 32 Watt. It supports DDR4: 2400 memory.
Primary details
Atom C3955 processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in the ranking | 1487 | |
| Place by popularity | not in top-100 | |
| Cost-effectiveness evaluation | 0.93 | |
| Market segment | Server | |
| Series | Intel Atom | |
| Power efficiency | 10.79 | of 100.00 (Core Ultra 7 164U) |
| Architecture codename | Goldmont (2016−2017) | |
| Release date | 15 August 2017 (7 years ago) | |
| Launch price (MSRP) | $434 | of 17,906 (Xeon Platinum 8280L) |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 16 (Hexadeca-Core) | |
| Threads | 16 | |
| Base clock speed | 2.1 GHz | of 4.7 GHz (Ryzen 9 7900X) |
| Boost clock speed | 2.4 GHz | of 6.2 GHz (Core i9-14900KS) |
| Multiplier | 21 | of 42 (Core i7-7700K) |
| L1 cache | 896 KB | of 80 KB (EPYC 9965) |
| L2 cache | 16 MB | of 2 MB (Xeon 6980P) |
| L3 cache | 16 MB | of 1152 MB (EPYC 9684X) |
| Chip lithography | 14 nm | of 3 nm (Core Ultra 9 285K) |
| Maximum core temperature | 78 °C | of 110 °C (Core Ultra 9 185H) |
| 64 bit support | + | |
| Windows 11 compatibility | - |
Compatibility
Information on Atom C3955 compatibility with other computer components and devices: 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) | of 8 (Xeon Platinum 8454H) |
| Socket | FCBGA1310 | |
| Power consumption (TDP) | 32 Watt | of 3100 ‑ 4500 (Ryzen 7 7435H) |
Technologies and extensions
Technological capabilities and additional instructions supported by Atom C3955. You'll probably need this information if you require some particular technology.
| AES-NI | + | |
| Enhanced SpeedStep (EIST) | + | |
| QuickAssist | - | |
| Turbo Boost Technology | 2.0 | |
| Hyper-Threading Technology | - |
Security technologies
Processor technologies aimed at improving security, for example, by protecting against hacks.
| EDB | + | |
| Secure Boot | + | |
| Secure Key | + | |
| SGX | - | |
| OS Guard | + |
Virtualization technologies
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
| VT-d | + | |
| VT-x | + | |
| EPT | + |
Memory specs
Types, maximum amount and channel number of RAM supported by Atom C3955's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| Supported memory types | DDR4: 2400 | |
| Maximum memory size | 256 GB | of 6 TiB (EPYC 9654) |
| Max memory channels | 2 | of 12 (Xeon Platinum 9221) |
| Maximum memory bandwidth | 38.397 GB/s | of 460.8 GB/s (EPYC 9654) |
| ECC memory support | + |
Peripherals
Specifications and connection types of supported peripherals.
| PCIe version | 3 | of 5.0 (EPYC 9655P) |
| PCI Express lanes | 16 | of 128 (EPYC 9655P) |
| USB revision | 3 | |
| Total number of SATA ports | 16 | |
| Max number of SATA 6 Gb/s Ports | 16 | |
| Number of USB ports | 8 | |
| Integrated LAN | 4x10/2.5/1 GBE |
Benchmark performance
Single-core and multi-core benchmark results of Atom C3955. Overall benchmark performance is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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.
Send your test results of Atom C3955.
AMD equivalent
According to our data, the closest AMD alternative to Atom C3955 is Ryzen 3 PRO 1200, which is faster by 6% and higher by 40 positions in our ranking.
Here are some closest AMD rivals to Atom C3955:
Similar processors
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
Recommended GPUs
People consider these graphics cards to be good for Atom C3955, according to our PC configuration statistics.
These are the fastest graphics cards for Atom C3955 in our user configuration statistics. There is a total of 4 configurations using Atom C3955 in our database.
