Ultra 7 265KF vs i5-8420
Primary details
Comparing Core i5-8420 and Core Ultra 7 265KF processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 73 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 100.00 |
| Market segment | Desktop processor | Desktop processor |
| Series | Intel Core i5 | no data |
| Power efficiency | no data | 29.53 |
| Architecture codename | Coffee Lake (2017−2019) | Arrow Lake-S (2024−2025) |
| Release date | 1 September 2018 (6 years ago) | 24 October 2024 (recently) |
| Launch price (MSRP) | no data | $379 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i5-8420 and Core Ultra 7 265KF 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 | 6 (Hexa-Core) | 20 (Icosa-Core) |
| Threads | 6 | 20 |
| Base clock speed | 2.9 GHz | 3.9 GHz |
| Boost clock speed | 4.1 GHz | 5.5 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| L1 cache | 64K (per core) | 112 KB (per core) |
| L2 cache | 256K (per core) | 3 MB (per core) |
| L3 cache | 9 MB (shared) | 30 MB (shared) |
| Chip lithography | 14 nm | 3 nm |
| Die size | 126 mm2 | 243 mm2 |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 17,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Core i5-8420 and Core Ultra 7 265KF 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 (Uniprocessor) | 1 |
| Socket | 1151 | 1851 |
| Power consumption (TDP) | 65 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-8420 and Core Ultra 7 265KF. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| TSX | - | + |
Security technologies
Core i5-8420 and Core Ultra 7 265KF technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-8420 and Core Ultra 7 265KF are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-8420 and Core Ultra 7 265KF. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | DDR5 |
| Maximum memory size | 64 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 42.671 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics 630 | N/A |
Peripherals
Specifications and connection of peripherals supported by Core i5-8420 and Core Ultra 7 265KF.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Recency | 1 September 2018 | 24 October 2024 |
| Physical cores | 6 | 20 |
| Threads | 6 | 20 |
| Chip lithography | 14 nm | 3 nm |
| Power consumption (TDP) | 65 Watt | 125 Watt |
i5-8420 has 92.3% lower power consumption.
Ultra 7 265KF, on the other hand, has an age advantage of 6 years, 233.3% more physical cores and 233.3% more threads, and a 366.7% more advanced lithography process.
We couldn't decide between Core i5-8420 and Core Ultra 7 265KF. We've got no test results to judge.
Should you still have questions on choice between Core i5-8420 and Core Ultra 7 265KF, ask them in Comments section, and we shall answer.
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