Ryzen Threadripper PRO 3945WX vs Atom C3950
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 384 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Series | Intel Atom | AMD Ryzen Threadripper |
| Power efficiency | no data | 2.88 |
| Designer | Intel | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | Goldmont (2016−2017) | Castle Peak (2020) |
| Release date | 15 August 2017 (8 years ago) | 14 July 2020 (5 years ago) |
| Launch price (MSRP) | $389 | no data |
Detailed specifications
Basic parameters of Atom C3950 and Ryzen Threadripper PRO 3945WX: 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) | 12 (Dodeca-Core) |
| Threads | 16 | 24 |
| Base clock speed | 1.7 GHz | 4 GHz |
| Boost clock speed | 2.2 GHz | 4.3 GHz |
| Multiplier | 17 | 40 |
| L1 cache | 896 KB | 64 KB (per core) |
| L2 cache | 16 MB | 512 KB (per core) |
| L3 cache | 16 MB | 64 MB |
| Chip lithography | 14 nm | 7 nm, 12 nm |
| Die size | no data | 2x 74 mm2 |
| Maximum core temperature | 78 °C | no data |
| Maximum case temperature (TCase) | no data | 95 °C |
| Number of transistors | no data | 7,600 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Atom C3950 and Ryzen Threadripper PRO 3945WX 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 | WRX8 |
| Power consumption (TDP) | 24 Watt | 280 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom C3950 and Ryzen Threadripper PRO 3945WX. You'll probably need this information if you require some particular technology.
| 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 C3950 and Ryzen Threadripper PRO 3945WX 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 C3950 and Ryzen Threadripper PRO 3945WX 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 C3950 and Ryzen Threadripper PRO 3945WX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4: 2400 | DDR4-3200 |
| Maximum memory size | 256 GB | 2 TiB |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 38.397 GB/s | 204.8 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Atom C3950 and Ryzen Threadripper PRO 3945WX.
| PCIe version | 3 | 4.0 |
| PCI Express lanes | 16 | 128 |
| USB revision | 3 | no data |
| Total number of SATA ports | 16 | no data |
| Number of USB ports | 8 | no data |
| Integrated LAN | 2x10/2.5/1 GBE + 2x1 GBE | no data |
Pros & cons summary
| Recency | 15 August 2017 | 14 July 2020 |
| Physical cores | 16 | 12 |
| Threads | 16 | 24 |
| Chip lithography | 14 nm | 7 nm |
| Power consumption (TDP) | 24 Watt | 280 Watt |
Atom C3950 has 33% more physical cores, and 1067% lower power consumption.
Ryzen Threadripper PRO 3945WX, on the other hand, has an age advantage of 2 years, 50% more threads, and a 100% more advanced lithography process.
We couldn't decide between Intel Atom C3950 and AMD Ryzen Threadripper PRO 3945WX. We've got no test results to judge.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
