Processor U300 vs Atom Z515
Primary details
Comparing Atom Z515 and Processor U300 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3321 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Atom | Intel Raptor Lake-U |
| Power efficiency | 20.38 | no data |
| Architecture codename | Silverthorne (2008−2010) | Raptor Lake-U (2023) |
| Release date | 8 April 2009 (15 years ago) | 4 January 2023 (1 year ago) |
| Launch price (MSRP) | no data | $193 |
Detailed specifications
Atom Z515 and Processor U300 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) | 5 (Penta-Core) |
| Threads | 1 | 6 |
| Base clock speed | 1.2 GHz | 1.2 GHz |
| Boost clock speed | 1.2 GHz | 4.4 GHz |
| Bus type | FSB | no data |
| Bus rate | 400 MT/s | 55 MHz |
| Multiplier | 12 | no data |
| L1 cache | 56 KB (per core) | 80K (per core) |
| L2 cache | 512 KB (per core) | 1.25 MB (per core) |
| L3 cache | 0 KB | 8 MB (shared) |
| Chip lithography | 45 nm | 10 nm |
| Die size | 26 mm2 | no data |
| Maximum core temperature | 90 °C | 100 °C |
| Number of transistors | 47 million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Atom Z515 and Processor U300 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 (Uniprocessor) | 1 |
| Socket | PBGA441 | Intel BGA 1744 |
| Power consumption (TDP) | 1.4 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom Z515 and Processor U300. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | no data |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | + | no data |
| TSX | - | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | + | no data |
| FSB parity | - | no data |
Security technologies
Atom Z515 and Processor U300 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom Z515 and Processor U300 are enumerated here.
| VT-d | - | + |
| VT-x | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom Z515 and Processor U300. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | unknown | DDR4, DDR5 Dual-channel |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | Intel UHD Graphics Xe G4 48EUs ( - 1100 MHz) |
Peripherals
Specifications and connection of peripherals supported by Atom Z515 and Processor U300.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 8 |
Pros & cons summary
| Recency | 8 April 2009 | 4 January 2023 |
| Physical cores | 1 | 5 |
| Threads | 1 | 6 |
| Chip lithography | 45 nm | 10 nm |
| Power consumption (TDP) | 1 Watt | 15 Watt |
Atom Z515 has 1400% lower power consumption.
Processor U300, on the other hand, has an age advantage of 13 years, 400% more physical cores and 500% more threads, and a 350% more advanced lithography process.
We couldn't decide between Atom Z515 and Processor U300. We've got no test results to judge.
Should you still have questions on choice between Atom Z515 and Processor U300, ask them in Comments section, and we shall answer.
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