Pentium 3561Y vs Atom Z520
Primary details
Comparing Atom Z520 and Pentium 3561Y 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 |
| Series | Intel Atom | Intel Pentium |
| Architecture codename | Silverthorne (2008−2010) | Haswell (2013−2015) |
| Release date | 2 April 2008 (16 years ago) | 1 January 2014 (10 years ago) |
| Launch price (MSRP) | $65 | no data |
Detailed specifications
Atom Z520 and Pentium 3561Y 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) | 2 (Dual-core) |
| Threads | 2 | 2 |
| Base clock speed | 1.33 GHz | 1.2 GHz |
| Boost clock speed | 0.03 GHz | 1.2 GHz |
| Bus type | FSB | no data |
| Bus rate | 533.33 MT/s | 5 GT/s |
| Multiplier | 10 | no data |
| L1 cache | 56 KB | 128 KB |
| L2 cache | 512 KB | 512 KB |
| L3 cache | 0 KB | 2 MB |
| Chip lithography | 45 nm | 22 nm |
| Die size | 24.18 mm2 | no data |
| Maximum core temperature | 90 °C | 100 °C |
| Number of transistors | 47 Million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.75-1.1V | no data |
Compatibility
Information on Atom Z520 and Pentium 3561Y 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 | FCBGA1168 |
| Power consumption (TDP) | 2 Watt | 11.5 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom Z520 and Pentium 3561Y. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | + | - |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Smart Response | no data | - |
| Demand Based Switching | + | no data |
| GPIO | no data | + |
| Smart Connect | no data | + |
| FDI | no data | - |
| AMT | no data | 9.5 |
| Matrix Storage | no data | - |
| FSB parity | - | no data |
| HD Audio | no data | + |
| RST | no data | + |
Security technologies
Atom Z520 and Pentium 3561Y technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
| Secure Key | no data | + |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom Z520 and Pentium 3561Y are enumerated here.
| AMD-V | - | + |
| VT-d | - | - |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom Z520 and Pentium 3561Y. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
| Maximum memory size | no data | 16 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 25.6 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | - | Intel® HD Graphics for 4th Generation Intel® Processors |
| Quick Sync Video | - | + |
| Clear Video | - | + |
| Clear Video HD | - | - |
| Graphics max frequency | - | 850 MHz |
Graphics interfaces
Available interfaces and connections of Atom Z520 and Pentium 3561Y integrated GPUs.
| Number of displays supported | - | 3 |
| eDP | - | + |
| DisplayPort | - | + |
| HDMI | - | + |
Peripherals
Specifications and connection of peripherals supported by Atom Z520 and Pentium 3561Y.
| PCIe version | no data | 2.0 |
| PCI Express lanes | no data | 12 |
| PCI support | no data | - |
| USB revision | no data | 3.0 |
| Total number of SATA ports | no data | 4 |
| Max number of SATA 6 Gb/s Ports | no data | 4 |
| Integrated IDE | no data | - |
| Number of USB ports | no data | 4 |
| Integrated LAN | no data | - |
| UART | no data | + |
Pros & cons summary
| Recency | 2 April 2008 | 1 January 2014 |
| Physical cores | 1 | 2 |
| Chip lithography | 45 nm | 22 nm |
| Power consumption (TDP) | 2 Watt | 11 Watt |
Atom Z520 has 450% lower power consumption.
Pentium 3561Y, on the other hand, has an age advantage of 5 years, 100% more physical cores, and a 104.5% more advanced lithography process.
We couldn't decide between Atom Z520 and Pentium 3561Y. We've got no test results to judge.
Should you still have questions on choice between Atom Z520 and Pentium 3561Y, ask them in Comments section, and we shall answer.
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