Core i3-1215U vs Core i9-10900KF
Aggregate performance score
i9-10900KF outperforms i3-1215U by a whopping 107% based on our aggregate benchmark results.
Primary details
Comparing Core i9-10900KF and Core i3-1215U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 475 | 965 |
| Place by popularity | not in top-100 | 20 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Alder Lake-M |
| Architecture codename | Comet Lake (2020) | Alder Lake-U (2022) |
| Release date | 30 April 2020 (4 years ago) | 4 January 2022 (2 years ago) |
Detailed specifications
Core i9-10900KF and Core i3-1215U 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 | 10 (Deca-Core) | 6 (Hexa-Core) |
| Threads | 20 | 8 |
| Base clock speed | 3.7 GHz | 1.2 GHz |
| Boost clock speed | 5.3 GHz | 4.4 GHz |
| L1 cache | 64 KB (per core) | 544 KB |
| L2 cache | 256 KB (per core) | 5 MB |
| L3 cache | 20 MB (shared) | 10 MB |
| Chip lithography | 14 nm | 10 nm |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | Yes | No |
Compatibility
Information on Core i9-10900KF and Core i3-1215U 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 | 1200 | BGA1744 |
| Power consumption (TDP) | 125 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-10900KF and Core i3-1215U. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | no data | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| TSX | + | + |
Security technologies
Core i9-10900KF and Core i3-1215U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-10900KF and Core i3-1215U are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-10900KF and Core i3-1215U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2933 | DDR4, DDR5 |
| Maximum memory bandwidth | 45.8 GB/s | no data |
| ECC memory support | - | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | Intel UHD Graphics 64EUs (Alder Lake 12th Gen) |
Peripherals
Specifications and connection of peripherals supported by Core i9-10900KF and Core i3-1215U.
| PCIe version | 3.0 | 4.0 |
| PCI Express lanes | 16 | 20 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Performance score | 14.60 | 7.06 |
| Recency | 30 April 2020 | 4 January 2022 |
| Physical cores | 10 | 6 |
| Threads | 20 | 8 |
| Chip lithography | 14 nm | 10 nm |
| Power consumption (TDP) | 125 Watt | 15 Watt |
i9-10900KF has a 106.8% higher aggregate performance score, and 66.7% more physical cores and 150% more threads.
i3-1215U, on the other hand, has an age advantage of 1 year, a 40% more advanced lithography process, and 733.3% lower power consumption.
The Core i9-10900KF is our recommended choice as it beats the Core i3-1215U in performance tests.
Note that Core i9-10900KF is a desktop processor while Core i3-1215U is a notebook one.
Should you still have questions on choice between Core i9-10900KF and Core i3-1215U, ask them in Comments section, and we shall answer.
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