i5-1155G7 vs Atom Z2420
Primary details
Comparing Atom Z2420 and Core i5-1155G7 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 1055 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | no data | Tiger Lake |
| Power efficiency | no data | 21.46 |
| Architecture codename | Saltwell (2013) | Tiger Lake-UP3 (2020−2021) |
| Release date | 1 January 2013 (11 years ago) | 31 May 2021 (3 years ago) |
Detailed specifications
Atom Z2420 and Core i5-1155G7 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) | 4 (Quad-Core) |
| Threads | 2 | 8 |
| Base clock speed | no data | 2.5 GHz |
| Boost clock speed | 1.2 GHz | 4.5 GHz |
| Bus rate | no data | 4 GT/s |
| L1 cache | 64K (per core) | 96K (per core) |
| L2 cache | 512K (per core) | 1.25 MB (per core) |
| L3 cache | 0 KB | 8 MB (shared) |
| Chip lithography | 32 nm | 10 nm SuperFin |
| Die size | 65 mm2 | no data |
| Maximum core temperature | 90 °C | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | 140 million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Atom Z2420 and Core i5-1155G7 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-MB4617 | FCBGA1449 |
| Power consumption (TDP) | 3 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom Z2420 and Core i5-1155G7. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE, Intel® SSE2, Intel® SSE3 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | - | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| PAE | 32 Bit | no data |
| GPIO | 152 | no data |
| Deep Learning Boost | - | + |
Security technologies
Atom Z2420 and Core i5-1155G7 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | + | no data |
| SGX | no data | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom Z2420 and Core i5-1155G7 are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom Z2420 and Core i5-1155G7. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR4 |
| Maximum memory size | 1 GB | 64 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 6.4 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | PowerVR SGX540 (400 MHz) | Intel® Iris® Xe Graphics eligible |
| Quick Sync Video | - | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1.35 GHz |
| Execution Units | no data | 80 |
Graphics interfaces
Available interfaces and connections of Atom Z2420 and Core i5-1155G7 integrated GPUs.
| Number of displays supported | 2 | 4 |
Graphics image quality
Maximum display resolutions supported by Atom Z2420 and Core i5-1155G7 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096x2304@60Hz |
| Max resolution over eDP | no data | 4096x2304@60Hz |
| Max resolution over DisplayPort | no data | 7680x4320@60Hz |
Graphics API support
APIs supported by Atom Z2420 and Core i5-1155G7 integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.1 |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Atom Z2420 and Core i5-1155G7.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 16 |
| USB revision | 2.0 OTG | no data |
| Number of USB ports | 1 | no data |
| UART | 3 | no data |
Pros & cons summary
| Recency | 1 January 2013 | 31 May 2021 |
| Physical cores | 1 | 4 |
| Threads | 2 | 8 |
| Chip lithography | 32 nm | 10 nm |
| Power consumption (TDP) | 3 Watt | 28 Watt |
Atom Z2420 has 833.3% lower power consumption.
i5-1155G7, on the other hand, has an age advantage of 8 years, 300% more physical cores and 300% more threads, and a 220% more advanced lithography process.
We couldn't decide between Atom Z2420 and Core i5-1155G7. We've got no test results to judge.
Should you still have questions on choice between Atom Z2420 and Core i5-1155G7, ask them in Comments section, and we shall answer.
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