Xeon Silver 4509Y vs Atom E3845
Primary details
Comparing Atom E3845 and Xeon Silver 4509Y processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2737 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Atom | no data |
| Power efficiency | 6.29 | no data |
| Architecture codename | Bay Trail-I (2013) | Sapphire Rapids (2023−2024) |
| Release date | 8 October 2013 (11 years ago) | 14 December 2023 (less than a year ago) |
| Launch price (MSRP) | no data | $563 |
Detailed specifications
Atom E3845 and Xeon Silver 4509Y 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 | 4 (Quad-Core) | 8 (Octa-Core) |
| Threads | 4 | 16 |
| Base clock speed | no data | 2.6 GHz |
| Boost clock speed | 1.91 GHz | 4.1 GHz |
| L1 cache | 64 KB (per core) | 80 KB (per core) |
| L2 cache | 512 KB (per core) | 2 MB (per core) |
| L3 cache | 0 KB | 22.5 MB (shared) |
| Chip lithography | 22 nm | Intel 7 nm |
| Maximum case temperature (TCase) | no data | 84 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Atom E3845 and Xeon Silver 4509Y 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 | 2 |
| Socket | Intel BGA1170 | FCLGA4677 |
| Power consumption (TDP) | 10 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom E3845 and Xeon Silver 4509Y. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Deep Learning Boost | - | + |
Security technologies
Atom E3845 and Xeon Silver 4509Y technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom E3845 and Xeon Silver 4509Y are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom E3845 and Xeon Silver 4509Y. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5 @ 4400 MT/s (1 DPC &2DPC) |
| Maximum memory size | no data | 4 TB |
| Max memory channels | no data | 8 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics | N/A |
Peripherals
Specifications and connection of peripherals supported by Atom E3845 and Xeon Silver 4509Y.
| PCIe version | no data | 5 |
| PCI Express lanes | no data | 80 |
Pros & cons summary
| Recency | 8 October 2013 | 14 December 2023 |
| Physical cores | 4 | 8 |
| Threads | 4 | 16 |
| Power consumption (TDP) | 10 Watt | 125 Watt |
Atom E3845 has 1150% lower power consumption.
Xeon Silver 4509Y, on the other hand, has an age advantage of 10 years, and 100% more physical cores and 300% more threads.
We couldn't decide between Atom E3845 and Xeon Silver 4509Y. We've got no test results to judge.
Be aware that Atom E3845 is a notebook processor while Xeon Silver 4509Y is a server/workstation one.
Should you still have questions on choice between Atom E3845 and Xeon Silver 4509Y, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
