i5-8420 vs i5-1145GRE
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1473 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 4.94 | no data |
| Market segment | Laptop | Desktop processor |
| Series | no data | Intel Core i5 |
| Power efficiency | 7.07 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Tiger Lake-U (2020−2021) | Coffee Lake (2017−2019) |
| Release date | 2 September 2020 (5 years ago) | 1 September 2018 (7 years ago) |
| Launch price (MSRP) | $362 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Basic parameters of Core i5-1145GRE and Core i5-8420: 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) | 6 (Hexa-Core) |
| Threads | 8 | 6 |
| Base clock speed | 1.5 GHz | 2.9 GHz |
| Boost clock speed | 4.1 GHz | 4.1 GHz |
| Bus type | no data | DMI 3.0 |
| Bus rate | no data | 4 × 8 GT/s |
| L1 cache | 80 KB (per core) | 64K (per core) |
| L2 cache | 1.25 MB (per core) | 256K (per core) |
| L3 cache | 8 MB (shared) | 9 MB (shared) |
| Chip lithography | 10 nm | 14 nm |
| Die size | 144 mm2 | 126 mm2 |
| Maximum case temperature (TCase) | no data | 72 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
Compatibility
Information on Core i5-1145GRE and Core i5-8420 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 (Uniprocessor) |
| Socket | Intel BGA 1449 | 1151 |
| Power consumption (TDP) | 28 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-1145GRE and Core i5-8420. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
Security technologies
Core i5-1145GRE and Core i5-8420 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-1145GRE and Core i5-8420 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-1145GRE and Core i5-8420. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4, LPDDR4X | DDR4 Dual-channel |
| Maximum memory size | no data | 64 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 42.671 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel Iris Xe Graphics G7 80EU | Intel UHD Graphics 630 |
Peripherals
Specifications and connection of peripherals supported by Core i5-1145GRE and Core i5-8420.
| PCIe version | 4.0 | 3.0 |
| PCI Express lanes | 4 | no data |
Pros & cons summary
| Recency | 2 September 2020 | 1 September 2018 |
| Physical cores | 4 | 6 |
| Threads | 8 | 6 |
| Chip lithography | 10 nm | 14 nm |
| Power consumption (TDP) | 28 Watt | 65 Watt |
i5-1145GRE has an age advantage of 2 years, 33% more threads, a 40% more advanced lithography process, and 132% lower power consumption.
i5-8420, on the other hand, has 50% more physical cores.
We couldn't decide between Intel Core i5-1145GRE and Intel Core i5-8420. We've got no test results to judge.
Be aware that Core i5-1145GRE is a notebook processor while Core i5-8420 is a desktop one.
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