i9-12900E vs Atom C3850
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 500 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Desktop processor |
| Series | Intel Atom | no data |
| Power efficiency | no data | 10.45 |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Goldmont (2016−2017) | Alder Lake-S (2022) |
| Release date | 15 August 2017 (8 years ago) | 4 January 2022 (4 years ago) |
| Launch price (MSRP) | $323 | no data |
Detailed specifications
Basic parameters of Atom C3850 and Core i9-12900E: 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) | 16 (Hexadeca-Core) |
| Threads | 12 | 24 |
| Base clock speed | 2.1 GHz | 2.3 GHz |
| Boost clock speed | 2.4 GHz | 5 GHz |
| Multiplier | 21 | no data |
| L1 cache | 672 KB | 80K (per core) |
| L2 cache | 12 MB | 1.25 MB (per core) |
| L3 cache | 12 MB | 30 MB (shared) |
| Chip lithography | 14 nm | 10 nm |
| Die size | no data | 215 mm2 |
| Maximum core temperature | 78 °C | no data |
| Maximum case temperature (TCase) | no data | 72 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Atom C3850 and Core i9-12900E 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 | 1700 |
| Power consumption (TDP) | 25 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom C3850 and Core i9-12900E. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| QuickAssist | - | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | - | no data |
| TSX | - | + |
Security technologies
Atom C3850 and Core i9-12900E technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | + | no data |
| Secure Boot | + | no data |
| SGX | - | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom C3850 and Core i9-12900E are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom C3850 and Core i9-12900E. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4: 2400 | DDR4, DDR5 Dual-channel |
| Maximum memory size | 256 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 34.134 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel UHD Graphics 770 |
Peripherals
Specifications and connection of peripherals supported by Atom C3850 and Core i9-12900E.
| PCIe version | 3 | 5.0 |
| PCI Express lanes | 16 | 20 |
| 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 | no data |
Pros & cons summary
| Recency | 15 August 2017 | 4 January 2022 |
| Physical cores | 12 | 16 |
| Threads | 12 | 24 |
| Chip lithography | 14 nm | 10 nm |
| Power consumption (TDP) | 25 Watt | 65 Watt |
Atom C3850 has 160% lower power consumption.
i9-12900E, on the other hand, has an age advantage of 4 years, 33% more physical cores and 100% more threads, and a 40% more advanced lithography process.
We couldn't decide between Intel Atom C3850 and Intel Core i9-12900E. We've got no test results to judge.
Be aware that Atom C3850 is a server/workstation processor while Core i9-12900E is a desktop one.
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