Atom x7835FE vs EPYC 9455
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Designer | AMD | Intel |
| Manufacturer | TSMC | Intel |
| Architecture codename | Turin (2024) | Amston Lake (2024−2025) |
| Release date | 10 October 2024 (1 year ago) | 1 October 2025 (less than a year ago) |
| Launch price (MSRP) | $5,412 | $150 |
Detailed specifications
EPYC 9455 and Atom x7835FE 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 | 48 (Octatetraconta-Core) | 8 (Octa-Core) |
| Threads | 96 | 8 |
| Base clock speed | 3.15 GHz | 1.3 GHz |
| Boost clock speed | 4.4 GHz | 3.6 GHz |
| L1 cache | 80 KB (per core) | 96 KB (per core) |
| L2 cache | 1 MB (per core) | 2 MB (per module) |
| L3 cache | 192 MB (shared) | 6 MB (shared) |
| Chip lithography | 4 nm | 10 nm |
| Die size | 6x 70.6 mm2 | no data |
| Number of transistors | 49,890 million | no data |
| 64 bit support | + | + |
Compatibility
Information on EPYC 9455 and Atom x7835FE 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 | 2 | 1 |
| Socket | SP5 | Intel BGA 1264 |
| Power consumption (TDP) | 300 Watt | 12 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 9455 and Atom x7835FE. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Precision Boost 2 | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 9455 and Atom x7835FE are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 9455 and Atom x7835FE. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4, DDR5, LPDDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | Intel UHD Graphics 32EU |
Peripherals
Specifications and connection of peripherals supported by EPYC 9455 and Atom x7835FE.
| PCIe version | 5.0 | 3.0 |
| PCI Express lanes | 128 | 9 |
Pros & cons summary
| Recency | 10 October 2024 | 1 October 2025 |
| Physical cores | 48 | 8 |
| Threads | 96 | 8 |
| Chip lithography | 4 nm | 10 nm |
| Power consumption (TDP) | 300 Watt | 12 Watt |
EPYC 9455 has 500% more physical cores and 1100% more threads, and a 150% more advanced lithography process.
Atom x7835FE, on the other hand, has an age advantage of 11 months, and 2400% lower power consumption.
We couldn't decide between AMD EPYC 9455 and Intel Atom x7835FE. We've got no test results to judge.
Be aware that EPYC 9455 is a server/workstation processor while Atom x7835FE is a notebook one.
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