3 N355 vs Ryzen 5 7645HX
Aggregate performance score
Ryzen 5 7645HX outperforms Core 3 N355 by a whopping 153% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 433 | 1129 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Power efficiency | 35.12 | 42.08 |
| Designer | AMD | Intel |
| Manufacturer | TSMC | Intel |
| Architecture codename | Dragon Range (Zen4) (2023) | Twin Lake (2024−2025) |
| Release date | 4 January 2023 (2 years ago) | 7 January 2025 (less than a year ago) |
Detailed specifications
Ryzen 5 7645HX and Core 3 N355 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 | 6 (Hexa-Core) | 8 (Octa-Core) |
| Threads | 12 | 8 |
| Base clock speed | 4 GHz | 0.1 GHz |
| Boost clock speed | 5 GHz | 3.9 GHz |
| L1 cache | 64K (per core) | 96 KB (per core) |
| L2 cache | 1 MB (per core) | 2 MB (shared) |
| L3 cache | 32 MB (shared) | 6 MB (shared) |
| Chip lithography | 5 nm | Intel 7 nm |
| Die size | 71 mm2 | no data |
| Maximum core temperature | 100 °C | 105 °C |
| Number of transistors | 6570 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Ryzen 5 7645HX and Core 3 N355 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 | 1 |
| Socket | FL1 | FCBGA1264 |
| Power consumption (TDP) | 45 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 5 7645HX and Core 3 N355. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| 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
Ryzen 5 7645HX and Core 3 N355 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 Ryzen 5 7645HX and Core 3 N355 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 Ryzen 5 7645HX and Core 3 N355. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-5200 | DDR4, DDR5 |
| Maximum memory size | no data | 16 GB |
| Max memory channels | no data | 1 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 610M (400 - 2200 MHz) | Intel® Graphics |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.35 GHz |
| Execution Units | no data | 32 |
Graphics interfaces
Available interfaces and connections of Ryzen 5 7645HX and Core 3 N355 integrated GPUs.
| Number of displays supported | no data | 3 |
Graphics image quality
Maximum display resolutions supported by Ryzen 5 7645HX and Core 3 N355 integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096 x 2160@60Hz |
| Max resolution over DisplayPort | no data | 4096 x 2160@60Hz |
Graphics API support
APIs supported by Ryzen 5 7645HX and Core 3 N355 integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.1 |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Ryzen 5 7645HX and Core 3 N355.
| PCIe version | 5.0 | 3.0 |
| PCI Express lanes | 28 | 9 |
| USB revision | no data | 2.0/3.2 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.
Geekbench 5.5 Multi-Core
7-Zip Single
7-Zip
CrossMark Overall
WebXPRT 4 Overall
Blender v3.3 Classroom CPU(-)
Geekbench 6.4 Multi-Core
Geekbench 6.4 Single-Core
Pros & cons summary
| Performance score | 16.50 | 6.53 |
| Recency | 4 January 2023 | 7 January 2025 |
| Physical cores | 6 | 8 |
| Threads | 12 | 8 |
| Power consumption (TDP) | 45 Watt | 15 Watt |
Ryzen 5 7645HX has a 152.7% higher aggregate performance score, and 50% more threads.
3 N355, on the other hand, has an age advantage of 2 years, 33.3% more physical cores, and 200% lower power consumption.
The AMD Ryzen 5 7645HX is our recommended choice as it beats the Intel Core 3 N355 in performance tests.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
