Atom Z2420 vs Pentium 4 1.7
Primary details
Comparing Pentium 4 1.7 and Atom Z2420 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 | Desktop processor | Laptop |
| Architecture codename | Willamette (2000−2001) | Saltwell (2013) |
| Release date | April 2001 (23 years ago) | 1 January 2013 (11 years ago) |
Detailed specifications
Pentium 4 1.7 and Atom Z2420 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) | 1 (Single-Core) |
| Threads | 1 | 2 |
| Boost clock speed | 1.7 GHz | 1.2 GHz |
| L1 cache | 8 KB | 64K (per core) |
| L2 cache | 256 KB | 512K (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 180 nm | 32 nm |
| Die size | 217 mm2 | 65 mm2 |
| Maximum core temperature | no data | 90 °C |
| Maximum case temperature (TCase) | 76 °C | no data |
| Number of transistors | 42 million | 140 million |
| 64 bit support | - | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Pentium 4 1.7 and Atom Z2420 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 | 423 | FC-MB4617 |
| Power consumption (TDP) | 64 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium 4 1.7 and Atom Z2420. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE, Intel® SSE2, Intel® SSE3 |
| Enhanced SpeedStep (EIST) | no data | + |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| PAE | no data | 32 Bit |
| GPIO | no data | 152 |
Security technologies
Pentium 4 1.7 and Atom Z2420 technologies aimed at improving security, for example, by protecting against hacks.
| EDB | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium 4 1.7 and Atom Z2420. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2 | DDR2 |
| Maximum memory size | no data | 1 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 6.4 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | PowerVR SGX540 (400 MHz) |
Graphics interfaces
Available interfaces and connections of Pentium 4 1.7 and Atom Z2420 integrated GPUs.
| Number of displays supported | no data | 2 |
Peripherals
Specifications and connection of peripherals supported by Pentium 4 1.7 and Atom Z2420.
| USB revision | no data | 2.0 OTG |
| Number of USB ports | no data | 1 |
| UART | no data | 3 |
Pros & cons summary
| Threads | 1 | 2 |
| Chip lithography | 180 nm | 32 nm |
| Power consumption (TDP) | 64 Watt | 3 Watt |
Atom Z2420 has 100% more threads, a 462.5% more advanced lithography process, and 2033.3% lower power consumption.
We couldn't decide between Pentium 4 1.7 and Atom Z2420. We've got no test results to judge.
Note that Pentium 4 1.7 is a desktop processor while Atom Z2420 is a notebook one.
Should you still have questions on choice between Pentium 4 1.7 and Atom Z2420, ask them in Comments section, and we shall answer.
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