EPYC 9275F vs Atom C3955
Primary details
Comparing Atom C3955 and EPYC 9275F processor market type (desktop or notebook), architecture, sales start time and price.
Place in the ranking | 1500 | not rated |
Place by popularity | not in top-100 | not in top-100 |
Cost-effectiveness evaluation | 0.94 | no data |
Market segment | Server | Server |
Series | Intel Atom | no data |
Power efficiency | 10.79 | no data |
Architecture codename | Goldmont (2016−2017) | Turin (2024) |
Release date | 15 August 2017 (7 years ago) | 10 October 2024 (less than a year ago) |
Launch price (MSRP) | $434 | $3,439 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Atom C3955 and EPYC 9275F 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) | 24 (Tetracosa-Core) |
Threads | 16 | 48 |
Base clock speed | 2.1 GHz | 4.1 GHz |
Boost clock speed | 2.4 GHz | 4.8 GHz |
Multiplier | 21 | no data |
L1 cache | 896 KB | 80 KB (per core) |
L2 cache | 16 MB | 1 MB (per core) |
L3 cache | 16 MB | 256 MB (shared) |
Chip lithography | 14 nm | 4 nm |
Die size | no data | 8x 70.6 mm2 |
Maximum core temperature | 78 °C | no data |
Number of transistors | no data | 66,520 million |
64 bit support | + | + |
Windows 11 compatibility | - | no data |
Compatibility
Information on Atom C3955 and EPYC 9275F 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) | 2 |
Socket | FCBGA1310 | SP5 |
Power consumption (TDP) | 32 Watt | 320 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom C3955 and EPYC 9275F. 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 |
Precision Boost 2 | no data | + |
Security technologies
Atom C3955 and EPYC 9275F 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 C3955 and EPYC 9275F 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 EPYC 9275F. Depending on the motherboard, higher memory frequencies may be supported.
Supported memory types | DDR4: 2400 | DDR5 |
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 | + | - |
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 C3955 and EPYC 9275F.
PCIe version | 3 | 5.0 |
PCI Express lanes | 16 | 128 |
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 |
Pros & cons summary
Recency | 15 August 2017 | 10 October 2024 |
Physical cores | 16 | 24 |
Threads | 16 | 48 |
Chip lithography | 14 nm | 4 nm |
Power consumption (TDP) | 32 Watt | 320 Watt |
Atom C3955 has 900% lower power consumption.
EPYC 9275F, on the other hand, has an age advantage of 7 years, 50% more physical cores and 200% more threads, and a 250% more advanced lithography process.
We couldn't decide between Atom C3955 and EPYC 9275F. We've got no test results to judge.
Should you still have questions on choice between Atom C3955 and EPYC 9275F, ask them in Comments section, and we shall answer.
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