Ultra 7 265KF vs i3-1305U
Aggregate performance score
Core Ultra 7 265KF outperforms Core i3-1305U by a whopping 569% based on our aggregate benchmark results.
Primary details
Comparing Core i3-1305U and Core Ultra 7 265KF processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1158 | 89 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 97.72 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Raptor Lake-U | no data |
| Power efficiency | 34.97 | 28.08 |
| Architecture codename | Raptor Lake-U (2023) | Arrow Lake-S (2024−2025) |
| Release date | 4 January 2023 (1 year ago) | 24 October 2024 (less than a year ago) |
| Launch price (MSRP) | $309 | $379 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i3-1305U and Core Ultra 7 265KF 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 | 5 (Penta-Core) | 20 (Icosa-Core) |
| Threads | 6 | 20 |
| Base clock speed | 1.6 GHz | 3.9 GHz |
| Boost clock speed | 4.5 GHz | 5.5 GHz |
| L1 cache | 80K (per core) | 112 KB (per core) |
| L2 cache | 1.25 MB (per core) | 3 MB (per core) |
| L3 cache | 10 MB (shared) | 30 MB (shared) |
| Chip lithography | Intel 7 nm | 3 nm |
| Die size | no data | 243 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | no data | 17,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Core i3-1305U and Core Ultra 7 265KF 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 | FCBGA1744 | 1851 |
| Power consumption (TDP) | 15 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i3-1305U and Core Ultra 7 265KF. 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) | + | + |
| Speed Shift | + | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | + |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Deep Learning Boost | + | - |
Security technologies
Core i3-1305U and Core Ultra 7 265KF technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | no data |
| Secure Key | + | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i3-1305U and Core Ultra 7 265KF are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i3-1305U and Core Ultra 7 265KF. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-5200, DDR4-3200, LPDDR4x-4267 | DDR5 |
| Maximum memory size | 96 GB | no data |
| Max memory channels | 2 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics for 13th Gen Intel Processors | N/A |
| Quick Sync Video | + | - |
| Graphics max frequency | 1.25 GHz | no data |
| Execution Units | 64 | no data |
Graphics interfaces
Available interfaces and connections of Core i3-1305U and Core Ultra 7 265KF integrated GPUs.
| Number of displays supported | 4 | no data |
Graphics image quality
Maximum display resolutions supported by Core i3-1305U and Core Ultra 7 265KF integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 4096 x 2304 @ 60Hz | no data |
| Max resolution over eDP | 4096 x 2304 @ 120Hz | no data |
| Max resolution over DisplayPort | 7680 x 4320 @ 60Hz | no data |
Graphics API support
APIs supported by Core i3-1305U and Core Ultra 7 265KF integrated GPUs, sometimes API versions are included.
| DirectX | 12.1 | no data |
| OpenGL | 4.6 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i3-1305U and Core Ultra 7 265KF.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 8 | 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 | 5.54 | 37.07 |
| Recency | 4 January 2023 | 24 October 2024 |
| Physical cores | 5 | 20 |
| Threads | 6 | 20 |
| Power consumption (TDP) | 15 Watt | 125 Watt |
i3-1305U has 733.3% lower power consumption.
Ultra 7 265KF, on the other hand, has a 569.1% higher aggregate performance score, an age advantage of 1 year, and 300% more physical cores and 233.3% more threads.
The Core Ultra 7 265KF is our recommended choice as it beats the Core i3-1305U in performance tests.
Be aware that Core i3-1305U is a notebook processor while Core Ultra 7 265KF is a desktop one.
Should you still have questions on choice between Core i3-1305U and Core Ultra 7 265KF, ask them in Comments section, and we shall answer.
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