Ryzen Z1 vs Atom E645CT
Primary details
Comparing Atom E645CT and Ryzen Z1 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 648 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | no data | Phoenix (Zen 4, Ryzen 7040) |
| Power efficiency | no data | 74.64 |
| Architecture codename | Stellarton (2010) | Phoenix (Zen4) (2023) |
| Release date | 22 November 2010 (13 years ago) | May 2023 (1 year ago) |
Detailed specifications
Atom E645CT and Ryzen Z1 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 | 1 (Single-Core) | 6 (Hexa-Core) |
| Threads | 2 | 12 |
| Base clock speed | no data | 3.2 GHz |
| Boost clock speed | 1 GHz | 4.9 GHz |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 512 KB (per core) | 1 MB (per core) |
| L3 cache | 0 KB | 16 MB (shared) |
| Chip lithography | 45 nm | 4 nm |
| Die size | 26 mm2 | 137 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 47 million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Atom E645CT and Ryzen Z1 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 | Intel BGA1466 | FP8 |
| Power consumption (TDP) | 4 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom E645CT and Ryzen Z1. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Hyper-Threading Technology | + | no data |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom E645CT and Ryzen Z1 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom E645CT and Ryzen Z1. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel GMA 600 | AMD Radeon 740M |
Peripherals
Specifications and connection of peripherals supported by Atom E645CT and Ryzen Z1.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Physical cores | 1 | 6 |
| Threads | 2 | 12 |
| Chip lithography | 45 nm | 4 nm |
| Power consumption (TDP) | 4 Watt | 15 Watt |
Atom E645CT has 275% lower power consumption.
Ryzen Z1, on the other hand, has 500% more physical cores and 500% more threads, and a 1025% more advanced lithography process.
We couldn't decide between Atom E645CT and Ryzen Z1. We've got no test results to judge.
Should you still have questions on choice between Atom E645CT and Ryzen Z1, ask them in Comments section, and we shall answer.
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