i5-14400T vs i9-10900K
Aggregate performance score
Core i5-14400T outperforms Core i9-10900K by a small 8% based on our aggregate benchmark results.
Primary details
Comparing Core i9-10900K and Core i5-14400T processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 500 | 444 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 15.17 | 47.70 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 10.85 | 41.87 |
| Architecture codename | Comet Lake (2020) | Raptor Lake-R (2023−2024) |
| Release date | 30 April 2020 (4 years ago) | 8 January 2024 (less than a year ago) |
| Launch price (MSRP) | $488 | $221 |
Cost-effectiveness evaluation
Performance per price, higher is better.
i5-14400T has 214% better value for money than i9-10900K.
Detailed specifications
Core i9-10900K and Core i5-14400T 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) | 10 (Deca-Core) |
| Threads | 20 | 16 |
| Base clock speed | 3.7 GHz | 1.5 GHz |
| Boost clock speed | 5.2 GHz | 4.5 GHz |
| Bus rate | 8 GT/s | no data |
| L1 cache | 64 KB (per core) | 80 KB (per core) |
| L2 cache | 256 KB (per core) | 1.25 MB (per core) |
| L3 cache | 20 MB (shared) | 20 MB (shared) |
| Chip lithography | 14 nm | Intel 7 nm |
| Die size | 206 mm2 | 215 mm2 |
| Maximum core temperature | 100 °C | 100 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i9-10900K and Core i5-14400T 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 | FCLGA1200 | FCLGA1700 |
| Power consumption (TDP) | 125 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-10900K and Core i5-14400T. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | - | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| SIPP | + | - |
| Turbo Boost Max 3.0 | + | no data |
| Deep Learning Boost | - | + |
Security technologies
Core i9-10900K and Core i5-14400T technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | + | + |
| Identity Protection | + | - |
| SGX | Yes with Intel® ME | no data |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-10900K and Core i5-14400T are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-10900K and Core i5-14400T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5-4800, DDR4-3200 |
| Maximum memory size | 128 GB | 192 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 45.8 GB/s | 76.8 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel UHD Graphics 630 | Intel UHD Graphics 730 |
| Max video memory | 64 GB | no data |
| Quick Sync Video | + | + |
| Clear Video | + | no data |
| Clear Video HD | + | + |
| Graphics max frequency | 1.2 GHz | 1.55 GHz |
| Execution Units | no data | 24 |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i9-10900K and Core i5-14400T integrated GPUs.
| Number of displays supported | 3 | 4 |
Graphics image quality
Maximum display resolutions supported by Core i9-10900K and Core i5-14400T integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
| Max resolution over HDMI 1.4 | 4096 x 2160@30Hz | 4096 x 2160 @ 60Hz |
| Max resolution over eDP | 4096 x 2304@60Hz | 5120 x 3200 @ 120Hz |
| Max resolution over DisplayPort | 4096 x 2304@60Hz | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Core i9-10900K and Core i5-14400T integrated GPUs, sometimes API versions are included.
| DirectX | 12 | 12 |
| OpenGL | 4.5 | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Core i9-10900K and Core i5-14400T.
| PCIe version | 3.0 | 5.0 and 4.0 |
| 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 | 14.88 | 16.07 |
| Integrated graphics card | 3.09 | 4.15 |
| Recency | 30 April 2020 | 8 January 2024 |
| Threads | 20 | 16 |
| Power consumption (TDP) | 125 Watt | 35 Watt |
i9-10900K has 25% more threads.
i5-14400T, on the other hand, has a 8% higher aggregate performance score, 34.3% faster integrated GPU, an age advantage of 3 years, and 257.1% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Core i9-10900K and Core i5-14400T.
Should you still have questions on choice between Core i9-10900K and Core i5-14400T, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
