Ultra 7 265F vs i7-6660U
Primary details
Comparing Core i7-6660U and Core Ultra 7 265F processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1812 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Core i7 | no data |
| Power efficiency | 14.32 | no data |
| Architecture codename | Skylake (2015−2016) | Arrow Lake-S (2024−2025) |
| Release date | 20 March 2016 (8 years ago) | January 2025 |
| Launch price (MSRP) | $415 | no data |
Detailed specifications
Core i7-6660U and Core Ultra 7 265F 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) | 20 (Icosa-Core) |
| Threads | 4 | 20 |
| Base clock speed | 2.4 GHz | 2.4 GHz |
| Boost clock speed | 3.4 GHz | 5.3 GHz |
| Bus type | OPI | no data |
| Bus rate | 4 GT/s | no data |
| Multiplier | 24 | no data |
| L1 cache | 128 KB | 112 KB (per core) |
| L2 cache | 512 KB | 3 MB (per core) |
| L3 cache | 4 MB | 30 MB (shared) |
| Chip lithography | 14 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 |
Compatibility
Information on Core i7-6660U and Core Ultra 7 265F 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 | FCBGA1356 | 1851 |
| Power consumption (TDP) | 15 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-6660U and Core Ultra 7 265F. 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 | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| eDRAM | 64 MB | no data |
| My WiFi | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| SIPP | + | - |
| Smart Response | + | no data |
Security technologies
Core i7-6660U and Core Ultra 7 265F 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 i7-6660U and Core Ultra 7 265F are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-6660U and Core Ultra 7 265F. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2133, LPDDR3-1866, DDR3L-1600 | DDR5 |
| Maximum memory size | 32 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 34.134 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel Iris Graphics 540 | N/A |
| Max video memory | 32 GB | no data |
| Quick Sync Video | + | - |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.05 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i7-6660U and Core Ultra 7 265F 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 Core i7-6660U and Core Ultra 7 265F 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 Core i7-6660U and Core Ultra 7 265F integrated GPUs, sometimes API versions are included.
| DirectX | 12 | no data |
| OpenGL | 4.5 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-6660U and Core Ultra 7 265F.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 12 | 20 |
Pros & cons summary
| Physical cores | 2 | 20 |
| Threads | 4 | 20 |
| Chip lithography | 14 nm | 3 nm |
| Power consumption (TDP) | 15 Watt | 65 Watt |
i7-6660U has 333.3% lower power consumption.
Ultra 7 265F, on the other hand, has 900% more physical cores and 400% more threads, and a 366.7% more advanced lithography process.
We couldn't decide between Core i7-6660U and Core Ultra 7 265F. We've got no test results to judge.
Be aware that Core i7-6660U is a notebook processor while Core Ultra 7 265F is a desktop one.
Should you still have questions on choice between Core i7-6660U and Core Ultra 7 265F, ask them in Comments section, and we shall answer.
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