EPYC 9645 vs i3-N305
Primary details
Comparing Core i3-N305 and EPYC 9645 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1074 | not rated |
| Place by popularity | 78 | not in top-100 |
| Market segment | Laptop | Server |
| Power efficiency | 39.60 | no data |
| Architecture codename | Alder Lake-N (2023) | Turin (2024) |
| Release date | 3 January 2023 (1 year ago) | 10 October 2024 (less than a year ago) |
| Launch price (MSRP) | $309 | $11,048 |
Detailed specifications
Core i3-N305 and EPYC 9645 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 | 8 (Octa-Core) | 96 |
| Threads | 8 | 192 |
| Base clock speed | 0.1 GHz | 2.3 GHz |
| Boost clock speed | 3.8 GHz | 3.7 GHz |
| L1 cache | 96 KB (per core) | 80 KB (per core) |
| L2 cache | 2 MB (per module) | 1 MB (per core) |
| L3 cache | 6 MB (shared) | 256 MB (shared) |
| Chip lithography | Intel 7 nm | 3 nm |
| Maximum core temperature | 105 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Core i3-N305 and EPYC 9645 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 | FCBGA1264 | SP5 |
| Power consumption (TDP) | 15 Watt | 320 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i3-N305 and EPYC 9645. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | no data |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | + | no data |
| Hyper-Threading Technology | - | no data |
| Thermal Monitoring | + | - |
| GPIO | + | no data |
| Precision Boost 2 | no data | + |
Security technologies
Core i3-N305 and EPYC 9645 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i3-N305 and EPYC 9645 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 Core i3-N305 and EPYC 9645. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4, DDR5 | DDR5 |
| Maximum memory size | 16 GB | no data |
| Max memory channels | 1 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics | N/A |
| Quick Sync Video | + | - |
| Graphics max frequency | 1.25 GHz | no data |
| Execution Units | 32 | no data |
Graphics interfaces
Available interfaces and connections of Core i3-N305 and EPYC 9645 integrated GPUs.
| Number of displays supported | 3 | no data |
Graphics image quality
Maximum display resolutions supported by Core i3-N305 and EPYC 9645 integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
| Max resolution over HDMI 1.4 | 4096 x 2160@60Hz | no data |
| Max resolution over DisplayPort | 4096 x 2160@60Hz | no data |
Graphics API support
APIs supported by Core i3-N305 and EPYC 9645 integrated GPUs, sometimes API versions are included.
| DirectX | 12.1 | no data |
| OpenGL | 4.6 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i3-N305 and EPYC 9645.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 9 | 128 |
| USB revision | 2.0/3.2 | no data |
Pros & cons summary
| Recency | 3 January 2023 | 10 October 2024 |
| Physical cores | 8 | 96 |
| Threads | 8 | 192 |
| Power consumption (TDP) | 15 Watt | 320 Watt |
i3-N305 has 2033.3% lower power consumption.
EPYC 9645, on the other hand, has an age advantage of 1 year, and 1100% more physical cores and 2300% more threads.
We couldn't decide between Core i3-N305 and EPYC 9645. We've got no test results to judge.
Be aware that Core i3-N305 is a notebook processor while EPYC 9645 is a server/workstation one.
Should you still have questions on choice between Core i3-N305 and EPYC 9645, ask them in Comments section, and we shall answer.
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