Ryzen 5 7645HX vs Celeron M U3400
Primary details
Comparing Celeron M U3400 and Ryzen 5 7645HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 380 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Celeron M | no data |
| Power efficiency | no data | 35.56 |
| Architecture codename | Arrandale (2010−2011) | Dragon Range (Zen4) (2023) |
| Release date | 24 May 2010 (14 years ago) | 4 January 2023 (1 year ago) |
Detailed specifications
Celeron M U3400 and Ryzen 5 7645HX 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 | 2 (Dual-core) | 6 (Hexa-Core) |
| Threads | 2 | 12 |
| Base clock speed | no data | 4 GHz |
| Boost clock speed | 1.06 GHz | 5 GHz |
| Bus rate | 2500 MHz | no data |
| L1 cache | no data | 64K (per core) |
| L2 cache | 512 KB | 1 MB (per core) |
| L3 cache | 2 MB | 32 MB (shared) |
| Chip lithography | 32 nm | 5 nm |
| Die size | 81+114 mm2 | 71 mm2 |
| Maximum core temperature | 105 °C | 100 °C |
| Number of transistors | 382+177 Million | 6570 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Celeron M U3400 and Ryzen 5 7645HX 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 | no data | 1 |
| Socket | BGA1288 | FL1 |
| Power consumption (TDP) | 18 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron M U3400 and Ryzen 5 7645HX. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Fast Memory Access | + | no data |
| Precision Boost 2 | no data | + |
Security technologies
Celeron M U3400 and Ryzen 5 7645HX technologies aimed at improving security, for example, by protecting against hacks.
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron M U3400 and Ryzen 5 7645HX are enumerated here.
| AMD-V | - | + |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron M U3400 and Ryzen 5 7645HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5-5200 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 610M |
Peripherals
Specifications and connection of peripherals supported by Celeron M U3400 and Ryzen 5 7645HX.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 28 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
Pros & cons summary
| Recency | 24 May 2010 | 4 January 2023 |
| Physical cores | 2 | 6 |
| Threads | 2 | 12 |
| Chip lithography | 32 nm | 5 nm |
| Power consumption (TDP) | 18 Watt | 45 Watt |
Celeron M U3400 has 150% lower power consumption.
Ryzen 5 7645HX, on the other hand, has an age advantage of 12 years, 200% more physical cores and 500% more threads, and a 540% more advanced lithography process.
We couldn't decide between Celeron M U3400 and Ryzen 5 7645HX. We've got no test results to judge.
Should you still have questions on choice between Celeron M U3400 and Ryzen 5 7645HX, 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.
