Pentium 4 1.4 vs Atom Z2520
Contents
Primary details
Comparing 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 | Desktop processor |
| Designer | Intel | Intel |
| Manufacturer | Intel | no data |
| Architecture codename | Clovertrail (2013) | Willamette (2000−2001) |
| Release date | 27 February 2013 (12 years ago) | November 2000 (24 years ago) |
Detailed specifications
Atom Z2520 and Pentium 4 1.4 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) | 1 (Single-Core) |
| Threads | 4 | 1 |
| Base clock speed | 1.2 GHz | no data |
| Boost clock speed | 1.2 GHz | 1.4 GHz |
| L1 cache | 64 KB (per core) | 8 KB |
| L2 cache | 512 KB (per core) | 256 KB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 32 nm | 180 nm |
| Die size | 65 mm2 | 217 mm2 |
| Maximum core temperature | 90 °C | no data |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | 140 million | 42 million |
| 64 bit support | - | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Atom Z2520 and Pentium 4 1.4 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 | FC-MB4760 | 423 |
| Power consumption (TDP) | 3 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom Z2520 and Pentium 4 1.4. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| PAE | 32 Bit | no data |
| Smart Idle | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom Z2520 and Pentium 4 1.4 are enumerated here.
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom Z2520 and Pentium 4 1.4. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR1, DDR2 |
| Maximum memory size | 2 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 8.5 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | SGX 544MP2 | no data |
Graphics interfaces
Available interfaces and connections of Atom Z2520 and Pentium 4 1.4 integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Atom Z2520 and Pentium 4 1.4.
| USB revision | 2.0 OTG, USB-SPH 2.0 | no data |
| Number of USB ports | 2 | no data |
| UART | 3 | no data |
Pros & cons summary
| Physical cores | 2 | 1 |
| Threads | 4 | 1 |
| Chip lithography | 32 nm | 180 nm |
| Power consumption (TDP) | 3 Watt | 55 Watt |
Atom Z2520 has 100% more physical cores and 300% more threads, a 462.5% more advanced lithography process, and 1733.3% lower power consumption.
We couldn't decide between Intel Atom Z2520 and Intel Pentium 4 1.4. We've got no test results to judge.
Be aware that Atom Z2520 is a notebook processor while Pentium 4 1.4 is a desktop one.
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