U300 vs i9-10940X
Aggregate performance score
Core i9-10940X outperforms U300 by a whopping 234% based on our aggregate benchmark results.
Primary details
Comparing Core i9-10940X and U300 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 353 | 1178 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Power efficiency | 10.08 | 9.05 |
| Architecture codename | Cascade Lake-X (2019) | no data |
| Release date | 19 October 2019 (5 years ago) | 1 January 2023 (1 year ago) |
Detailed specifications
Core i9-10940X and U300 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 | 14 (Tetradeca-Core) | no data |
| Threads | 28 | 6 |
| Base clock speed | 3.3 GHz | no data |
| Boost clock speed | 4.8 GHz | 4.4 GHz |
| Bus rate | 8 GT/s DMI3 MHz | no data |
| L1 cache | 64K (per core) | no data |
| L2 cache | 1 MB (per core) | no data |
| L3 cache | 19.25 MB (shared) | 8 MB Intel® Smart Cache |
| Chip lithography | 14 nm | Intel 7 nm |
| Maximum core temperature | 86 °C | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i9-10940X and U300 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 | FCLGA2066 | FCBGA1744 |
| Power consumption (TDP) | 165 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-10940X and U300. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | no data | + |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | + |
| TSX | + | - |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Turbo Boost Max 3.0 | + | no data |
| Deep Learning Boost | + | + |
Security technologies
Core i9-10940X and U300 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-10940X and U300 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-10940X and U300. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2933 | DDR5-5200, DDR4-3200, LPDDR4x-4267 |
| Maximum memory size | 256 GB | 96 GB |
| Max memory channels | 4 | 2 |
| Maximum memory bandwidth | 94 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® UHD Graphics for 13th Gen Intel® Processors |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.1 GHz |
| Execution Units | no data | 48 |
Graphics interfaces
Available interfaces and connections of Core i9-10940X and U300 integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Core i9-10940X and U300 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096 x 2304 @ 60Hz |
| Max resolution over eDP | no data | 4096 x 2304 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Core i9-10940X and U300 integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.1 |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Core i9-10940X and U300.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 48 | 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.
Pros & cons summary
| Performance score | 17.57 | 5.26 |
| Recency | 19 October 2019 | 1 January 2023 |
| Threads | 28 | 6 |
| Power consumption (TDP) | 165 Watt | 55 Watt |
i9-10940X has a 234% higher aggregate performance score, and 366.7% more threads.
U300, on the other hand, has an age advantage of 3 years, and 200% lower power consumption.
The Core i9-10940X is our recommended choice as it beats the U300 in performance tests.
Note that Core i9-10940X is a desktop processor while U300 is a notebook one.
Should you still have questions on choice between Core i9-10940X and U300, 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.
