i3-1215U (IPU) vs Atom E645CT
Primary details
Comparing Atom E645CT and Core i3-1215U (IPU) processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Architecture codename | Stellarton (2010) | Alder Lake-U (2022) |
| Release date | 22 November 2010 (14 years ago) | 23 February 2022 (2 years ago) |
Detailed specifications
Atom E645CT and Core i3-1215U (IPU) 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 | 8 |
| Base clock speed | no data | 1.2 GHz |
| Boost clock speed | 1 GHz | 4.4 GHz |
| L1 cache | 64 KB (per core) | 80K (per core) |
| L2 cache | 512 KB (per core) | 1.25 MB (per core) |
| L3 cache | 0 KB | 10 MB (shared) |
| Chip lithography | 45 nm | 10 nm |
| Die size | 26 mm2 | no data |
| Number of transistors | 47 million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Atom E645CT and Core i3-1215U (IPU) 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 | Intel BGA 1744 |
| Power consumption (TDP) | 4 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom E645CT and Core i3-1215U (IPU). You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Hyper-Threading Technology | + | no data |
| TSX | - | + |
Security technologies
Atom E645CT and Core i3-1215U (IPU) technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom E645CT and Core i3-1215U (IPU) are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom E645CT and Core i3-1215U (IPU). Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR4, DDR5 Dual-channel |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel GMA 600 | Intel UHD Graphics 64EU |
Peripherals
Specifications and connection of peripherals supported by Atom E645CT and Core i3-1215U (IPU).
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Recency | 22 November 2010 | 23 February 2022 |
| Physical cores | 1 | 6 |
| Threads | 2 | 8 |
| Chip lithography | 45 nm | 10 nm |
| Power consumption (TDP) | 4 Watt | 15 Watt |
Atom E645CT has 275% lower power consumption.
i3-1215U (IPU), on the other hand, has an age advantage of 11 years, 500% more physical cores and 300% more threads, and a 350% more advanced lithography process.
We couldn't decide between Atom E645CT and Core i3-1215U (IPU). We've got no test results to judge.
Should you still have questions on choice between Atom E645CT and Core i3-1215U (IPU), ask them in Comments section, and we shall answer.
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