i9-9900KF vs Celeron 3865U
Aggregate performance score
Core i9-9900KF outperforms Celeron 3865U by a whopping 1234% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2823 | 851 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.08 | 6.50 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Celeron | Intel Core i9 |
| Power efficiency | 2.17 | 4.57 |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Kaby Lake-U (2017) | Coffee Lake-R (2018−2019) |
| Release date | 3 January 2017 (8 years ago) | 7 January 2019 (6 years ago) |
| Launch price (MSRP) | $107 | $488 |
Cost-effectiveness evaluation
Performance per price, higher is better.
i9-9900KF has 8025% better value for money than Celeron 3865U.
Performance to price scatter graph
Detailed specifications
Celeron 3865U and Core i9-9900KF 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 | 2 (Dual-core) | 8 (Octa-Core) |
| Threads | 2 | 16 |
| Base clock speed | 1.8 GHz | 3.6 GHz |
| Boost clock speed | 1.8 GHz | 5 GHz |
| Bus type | OPI | DMI 3.0 |
| Bus rate | 4 GT/s | 4 × 8 GT/s |
| Multiplier | 22 | no data |
| L1 cache | 128 KB | 512 KB |
| L2 cache | 512 KB | 2 MB |
| L3 cache | 2 MB (shared) | 16 MB (shared) |
| Chip lithography | 14 nm | 14 nm |
| Die size | 98.7 mm2 | no data |
| Maximum core temperature | 100 °C | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Celeron 3865U and Core i9-9900KF 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 (Uniprocessor) |
| Socket | FCBGA1356,FPBGA1356 | FCLGA1151 |
| Power consumption (TDP) | 15 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron 3865U and Core i9-9900KF. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | no data |
| My WiFi | + | no data |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | - | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | + | no data |
| Smart Response | + | no data |
Security technologies
Celeron 3865U and Core i9-9900KF technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
| MPX | + | + |
| Identity Protection | - | + |
| SGX | Yes with Intel® ME | Yes with Intel® ME |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron 3865U and Core i9-9900KF are enumerated here.
| AMD-V | + | - |
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron 3865U and Core i9-9900KF. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3, DDR4 | DDR4-2666 |
| Maximum memory size | 32 GB | 128 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 34.134 GB/s | 42.671 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 610 | no data |
| Max video memory | 32 GB | no data |
| Quick Sync Video | + | - |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 900 MHz | no data |
Graphics interfaces
Available interfaces and connections of Celeron 3865U and Core i9-9900KF integrated GPUs.
| Number of displays supported | 3 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| DVI | + | no data |
Graphics image quality
Maximum display resolutions supported by Celeron 3865U and Core i9-9900KF integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
| Max resolution over HDMI 1.4 | 4096x2304@24Hz | no data |
| Max resolution over eDP | 4096x2304@60Hz | no data |
| Max resolution over DisplayPort | 4096x2304@60Hz | no data |
Graphics API support
APIs supported by Celeron 3865U and Core i9-9900KF integrated GPUs, sometimes API versions are included.
| DirectX | 12 | no data |
| OpenGL | 4.4 | no data |
Peripherals
Specifications and connection of peripherals supported by Celeron 3865U and Core i9-9900KF.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | 16 | 16 |
Synthetic benchmarks
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.
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. Other than that, Passmark measures multi-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 | 0.77 | 10.27 |
| Recency | 3 January 2017 | 7 January 2019 |
| Physical cores | 2 | 8 |
| Threads | 2 | 16 |
| Power consumption (TDP) | 15 Watt | 95 Watt |
Celeron 3865U has 533.3% lower power consumption.
i9-9900KF, on the other hand, has a 1233.8% higher aggregate performance score, an age advantage of 2 years, and 300% more physical cores and 700% more threads.
The Intel Core i9-9900KF is our recommended choice as it beats the Intel Celeron 3865U in performance tests.
Be aware that Celeron 3865U is a notebook processor while Core i9-9900KF is a desktop one.
Other comparisons
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