Atom C3950 vs i9-9900KF
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 913 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 5.59 | no data |
| Market segment | Desktop processor | Server |
| Series | Intel Core i9 | Intel Atom |
| Power efficiency | 4.57 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | no data |
| Architecture codename | Coffee Lake-R (2018−2019) | Goldmont (2016−2017) |
| Release date | 7 January 2019 (7 years ago) | 15 August 2017 (8 years ago) |
| Launch price (MSRP) | $488 | $389 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Basic parameters of Core i9-9900KF and Atom C3950: 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 | 8 (Octa-Core) | 16 (Hexadeca-Core) |
| Threads | 16 | 16 |
| Base clock speed | 3.6 GHz | 1.7 GHz |
| Boost clock speed | 5 GHz | 2.2 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| Multiplier | no data | 17 |
| L1 cache | 512 KB | 896 KB |
| L2 cache | 2 MB | 16 MB |
| L3 cache | 16 MB (shared) | 16 MB |
| Chip lithography | 14 nm | 14 nm |
| Maximum core temperature | 100 °C | 78 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i9-9900KF and Atom C3950 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 | FCLGA1151 | FCBGA1310 |
| Power consumption (TDP) | 95 Watt | 24 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-9900KF and Atom C3950. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | no data |
| AES-NI | + | + |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | + | + |
| QuickAssist | no data | - |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | - |
| TSX | + | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
Security technologies
Core i9-9900KF and Atom C3950 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | + |
| Secure Boot | no data | + |
| MPX | + | - |
| Identity Protection | + | - |
| SGX | Yes with Intel® ME | - |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-9900KF and Atom C3950 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-9900KF and Atom C3950. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2666 | DDR4: 2400 |
| Maximum memory size | 128 GB | 256 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 42.671 GB/s | 38.397 GB/s |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Core i9-9900KF and Atom C3950.
| PCIe version | 3.0 | 3 |
| PCI Express lanes | 16 | 16 |
| USB revision | no data | 3 |
| Total number of SATA ports | no data | 16 |
| Number of USB ports | no data | 8 |
| Integrated LAN | no data | 2x10/2.5/1 GBE + 2x1 GBE |
Pros & cons summary
| Recency | 7 January 2019 | 15 August 2017 |
| Physical cores | 8 | 16 |
| Power consumption (TDP) | 95 Watt | 24 Watt |
i9-9900KF has an age advantage of 1 year.
Atom C3950, on the other hand, has 100% more physical cores, and 296% lower power consumption.
We couldn't decide between Intel Core i9-9900KF and Intel Atom C3950. We've got no test results to judge.
Note that Core i9-9900KF is a desktop processor while Atom C3950 is a server/workstation one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
