Ultra X9 378H vs 3 N355
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1384 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | no data | Intel Panther Lake |
| Power efficiency | 16.53 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | no data |
| Architecture codename | Twin Lake (2024−2025) | Panther Lake (2026) |
| Release date | 7 January 2025 (1 year ago) | 5 April 2026 (less than a year ago) |
Detailed specifications
Basic parameters of Core 3 N355 and Core Ultra X9 378H: 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) | 16 (Hexadeca-Core) |
| Threads | 8 | 16 |
| Base clock speed | 1.9 GHz | 1.6 GHz |
| Boost clock speed | 3.9 GHz | 5 GHz |
| L1 cache | 96 KB (per core) | no data |
| L2 cache | 2 MB (shared) | 12.5 MB |
| L3 cache | 6 MB (shared) | 18 MB |
| Chip lithography | Intel 7 nm | 2 nm |
| Maximum core temperature | 105 °C | 100 °C |
| 64 bit support | + | + |
Compatibility
Information on Core 3 N355 and Core Ultra X9 378H 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 | no data |
| Socket | FCBGA1264 | FCBGA2540 |
| Power consumption (TDP) | 15 Watt | no data |
Technologies and extensions
Technological solutions and additional instructions supported by Core 3 N355 and Core Ultra X9 378H. 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 |
Security technologies
Core 3 N355 and Core Ultra X9 378H 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 3 N355 and Core Ultra X9 378H 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 Core 3 N355 and Core Ultra X9 378H. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4, DDR5 | no data |
| 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® Graphics | Intel Arc B390 12 Xe3 Panther Lake iGPU ( - 2500 MHz) |
| Quick Sync Video | + | - |
| Graphics max frequency | 1.35 GHz | no data |
| Execution Units | 32 | no data |
Graphics interfaces
Available interfaces and connections of Core 3 N355 and Core Ultra X9 378H integrated GPUs.
| Number of displays supported | 3 | no data |
Graphics image quality
Maximum display resolutions supported by Core 3 N355 and Core Ultra X9 378H 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 3 N355 and Core Ultra X9 378H 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 3 N355 and Core Ultra X9 378H.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 9 | no data |
| USB revision | 2.0/3.2 | no data |
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