Atom Z2420 vs i5-7640K
Primary details
Comparing Core i5-7640K 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 | Kaby Lake-X (2017) | Saltwell (2013) |
| Release date | no data | 1 January 2013 (11 years ago) |
Detailed specifications
Core i5-7640K 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 | 4 (Quad-Core) | 1 (Single-Core) |
| Threads | no data | 2 |
| Boost clock speed | 3.9 GHz | 1.2 GHz |
| L1 cache | 64 KB (per core) | 64K (per core) |
| L2 cache | 256 KB (per core) | 512K (per core) |
| L3 cache | 6144 KB (shared) | 0 KB |
| Chip lithography | 14 nm | 32 nm |
| Die size | no data | 65 mm2 |
| Maximum core temperature | no data | 90 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 140 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i5-7640K 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 | 1151 | FC-MB4617 |
| Power consumption (TDP) | 112 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-7640K 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 |
| AES-NI | + | - |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | + | + |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| PAE | no data | 32 Bit |
| GPIO | no data | 152 |
| Status | no data | Discontinued |
Security technologies
Core i5-7640K and Atom Z2420 technologies aimed at improving security, for example, by protecting against hacks.
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-7640K and Atom Z2420 are enumerated here.
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-7640K and Atom Z2420. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | 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 Core i5-7640K and Atom Z2420 integrated GPUs.
| Number of displays supported | no data | 2 |
Peripherals
Specifications and connection of peripherals supported by Core i5-7640K and Atom Z2420.
| USB revision | no data | 2.0 OTG |
| Number of USB ports | no data | 1 |
| UART | no data | 3 |
Pros & cons summary
| Physical cores | 4 | 1 |
| Chip lithography | 14 nm | 32 nm |
| Power consumption (TDP) | 112 Watt | 3 Watt |
i5-7640K has 300% more physical cores, and a 128.6% more advanced lithography process.
Atom Z2420, on the other hand, has 3633.3% lower power consumption.
We couldn't decide between Core i5-7640K and Atom Z2420. We've got no test results to judge.
Note that Core i5-7640K is a desktop processor while Atom Z2420 is a notebook one.
Should you still have questions on choice between Core i5-7640K and Atom Z2420, ask them in Comments section, and we shall answer.
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