Ultra 7 265K vs i7-3940XM Extreme Edition
Primary details
Comparing Core i7-3940XM Extreme Edition and Core Ultra 7 265K processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 83 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 90.90 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Core i7EE | no data |
| Power efficiency | no data | 28.40 |
| Architecture codename | Ivy Bridge (2012−2013) | Arrow Lake-S (2024−2025) |
| Release date | no data (2024 years ago) | 24 October 2024 (recently) |
| Launch price (MSRP) | no data | $394 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-3940XM Extreme Edition and Core Ultra 7 265K 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 | 4 (Quad-Core) | 20 (Icosa-Core) |
| Threads | 8 | 20 |
| Base clock speed | no data | 3.9 GHz |
| Boost clock speed | 3 GHz | 5.5 GHz |
| Bus type | DMI | no data |
| Bus rate | 5 GT/s | no data |
| Multiplier | 30 | no data |
| L1 cache | no data | 112 KB (per core) |
| L2 cache | 1 MB | 3 MB (per core) |
| L3 cache | 8 MB | 30 MB (shared) |
| Chip lithography | 22 nm | 3 nm |
| Die size | no data | 243 mm2 |
| Number of transistors | no data | 17,800 million |
| 64 bit support | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Core i7-3940XM Extreme Edition and Core Ultra 7 265K 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 | no data | 1 |
| Socket | no data | 1851 |
| Power consumption (TDP) | 55 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-3940XM Extreme Edition and Core Ultra 7 265K. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| TSX | - | + |
| SIPP | - | + |
Security technologies
Core i7-3940XM Extreme Edition and Core Ultra 7 265K technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-3940XM Extreme Edition and Core Ultra 7 265K are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-3940XM Extreme Edition and Core Ultra 7 265K. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 Depends on motherboard |
| Maximum memory size | 32 GB | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Arc Xe2 Graphics 64EU |
Peripherals
Specifications and connection of peripherals supported by Core i7-3940XM Extreme Edition and Core Ultra 7 265K.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 16 | 20 |
Pros & cons summary
| Physical cores | 4 | 20 |
| Threads | 8 | 20 |
| Chip lithography | 22 nm | 3 nm |
| Power consumption (TDP) | 55 Watt | 125 Watt |
i7-3940XM Extreme Edition has 127.3% lower power consumption.
Ultra 7 265K, on the other hand, has 400% more physical cores and 150% more threads, and a 633.3% more advanced lithography process.
We couldn't decide between Core i7-3940XM Extreme Edition and Core Ultra 7 265K. We've got no test results to judge.
Be aware that Core i7-3940XM Extreme Edition is a notebook processor while Core Ultra 7 265K is a desktop one.
Should you still have questions on choice between Core i7-3940XM Extreme Edition and Core Ultra 7 265K, 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.
