FX-4100 vs Atom C3858
Aggregate performance score
Atom C3858 outperforms FX-4100 by an impressive 80% based on our aggregate benchmark results.
Primary details
Comparing Atom C3858 and FX-4100 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1636 | 2065 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.00 | no data |
| Market segment | Server | Desktop processor |
| Series | Intel Atom | no data |
| Power efficiency | 11.23 | 1.64 |
| Architecture codename | Goldmont (2016−2017) | Zambezi (2011−2012) |
| Release date | 15 August 2017 (7 years ago) | 12 October 2011 (13 years ago) |
| Launch price (MSRP) | $332 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Atom C3858 and FX-4100 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 | 12 (Dodeca-Core) | 4 (Quad-Core) |
| Threads | 12 | 4 |
| Base clock speed | 2 GHz | 3.6 GHz |
| Boost clock speed | 2 GHz | 3.8 GHz |
| Multiplier | 20 | no data |
| L1 cache | 672 KB | 192 KB |
| L2 cache | 12 MB | 4096 KB |
| L3 cache | 12 MB | 8192 KB |
| Chip lithography | 14 nm | 32 nm |
| Die size | no data | 315 mm2 |
| Maximum core temperature | 83 °C | 71 °C |
| Number of transistors | no data | 1,200 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
| P0 Vcore voltage | no data | Min: 1.1 V - Max: 1.4125 V |
Compatibility
Information on Atom C3858 and FX-4100 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 |
| Socket | FCBGA1310 | AM3+ |
| Power consumption (TDP) | 25 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom C3858 and FX-4100. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| QuickAssist | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
Security technologies
Atom C3858 and FX-4100 technologies aimed at improving security, for example, by protecting against hacks.
| EDB | + | no data |
| Secure Boot | + | no data |
| Secure Key | + | no data |
| SGX | - | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom C3858 and FX-4100 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 C3858 and FX-4100. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4: 2400 | DDR3 |
| Maximum memory size | 256 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 38.397 GB/s | no data |
| ECC memory support | + | - |
Peripherals
Specifications and connection of peripherals supported by Atom C3858 and FX-4100.
| PCIe version | 3 | n/a |
| PCI Express lanes | 16 | no data |
| USB revision | 3 | no data |
| Total number of SATA ports | 16 | no data |
| Max number of SATA 6 Gb/s Ports | 16 | no data |
| Number of USB ports | 8 | no data |
| Integrated LAN | 4x10/2.5/1 GBE | no data |
Synthetic benchmark performance
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. 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.
Pros & cons summary
| Performance score | 3.08 | 1.71 |
| Recency | 15 August 2017 | 12 October 2011 |
| Physical cores | 12 | 4 |
| Threads | 12 | 4 |
| Chip lithography | 14 nm | 32 nm |
| Power consumption (TDP) | 25 Watt | 95 Watt |
Atom C3858 has a 80.1% higher aggregate performance score, an age advantage of 5 years, 200% more physical cores and 200% more threads, a 128.6% more advanced lithography process, and 280% lower power consumption.
The Atom C3858 is our recommended choice as it beats the FX-4100 in performance tests.
Be aware that Atom C3858 is a server/workstation processor while FX-4100 is a desktop one.
Should you still have questions on choice between Atom C3858 and FX-4100, ask them in Comments section, and we shall answer.
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