i3-9100E vs i9-9900KF
Aggregate performance score
Core i9-9900KF outperforms Core i3-9100E by a whopping 166% based on our aggregate benchmark results.
Primary details
Comparing Core i9-9900KF and Core i3-9100E processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 675 | 1354 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 8.21 | no data |
| Market segment | Desktop processor | Desktop processor |
| Series | Intel Core i9 | no data |
| Power efficiency | 11.46 | 6.29 |
| Architecture codename | Coffee Lake-R (2018−2019) | Coffee Lake (2017−2019) |
| Release date | 8 January 2019 (5 years ago) | 1 September 2018 (6 years ago) |
| Launch price (MSRP) | $488 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i9-9900KF and Core i3-9100E 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 | 8 (Octa-Core) | 4 (Quad-Core) |
| Threads | 16 | 4 |
| Base clock speed | 3.6 GHz | 3.1 GHz |
| Boost clock speed | 5 GHz | 3.7 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| L1 cache | 64K (per core) | 64K (per core) |
| L2 cache | 256K (per core) | 256K (per core) |
| L3 cache | 16 MB (shared) | 6 MB (shared) |
| Chip lithography | 14 nm | 14 nm |
| Die size | no data | 126 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | 72 °C | 72 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i9-9900KF and Core i3-9100E 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 | FCLGA1151 | 1151 |
| Power consumption (TDP) | 95 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-9900KF and Core i3-9100E. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | no data |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
Security technologies
Core i9-9900KF and Core i3-9100E technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | no data |
| Secure Key | + | no data |
| MPX | + | - |
| Identity Protection | + | - |
| SGX | Yes with Intel® ME | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-9900KF and Core i3-9100E are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-9900KF and Core i3-9100E. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2666 | DDR4-2400 |
| Maximum memory size | 128 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 | no data | Intel UHD Graphics 630 |
Peripherals
Specifications and connection of peripherals supported by Core i9-9900KF and Core i3-9100E.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | 16 | 16 |
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.
Pros & cons summary
| Performance score | 11.50 | 4.32 |
| Recency | 8 January 2019 | 1 September 2018 |
| Physical cores | 8 | 4 |
| Threads | 16 | 4 |
| Power consumption (TDP) | 95 Watt | 65 Watt |
i9-9900KF has a 166.2% higher aggregate performance score, an age advantage of 4 months, and 100% more physical cores and 300% more threads.
i3-9100E, on the other hand, has 46.2% lower power consumption.
The Core i9-9900KF is our recommended choice as it beats the Core i3-9100E in performance tests.
Should you still have questions on choice between Core i9-9900KF and Core i3-9100E, ask them in Comments section, and we shall answer.
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