i5-14600KF vs i7-975 Extreme Edition
Primary details
Comparing Core i7-975 Extreme Edition and Core i5-14600KF processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 198 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 67.26 |
| Market segment | Desktop processor | Desktop processor |
| Series | Intel Core i7EE | no data |
| Power efficiency | no data | 18.73 |
| Architecture codename | Nehalem (2008−2010) | Raptor Lake-R (2023−2024) |
| Release date | 2 June 2009 (15 years ago) | 17 October 2023 (1 year ago) |
| Launch price (MSRP) | no data | $294 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-975 Extreme Edition and Core i5-14600KF 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) | 14 (Tetradeca-Core) |
| Threads | 8 | 20 |
| Base clock speed | no data | 3.5 GHz |
| Boost clock speed | 3.33 GHz | 5.3 GHz |
| Bus type | QPI | no data |
| Bus rate | 6.4 GT/s | no data |
| Multiplier | 25 | no data |
| L1 cache | no data | 80 KB (per core) |
| L2 cache | 1 MB | 2 MB (per core) |
| L3 cache | 8 MB | 24 MB (shared) |
| Chip lithography | 45 nm | Intel 7 nm |
| Die size | 263 mm2 | 257 mm2 |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | 731 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Core i7-975 Extreme Edition and Core i5-14600KF 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 | no data | FCLGA1700 |
| Power consumption (TDP) | 130 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-975 Extreme Edition and Core i5-14600KF. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Deep Learning Boost | - | + |
Security technologies
Core i7-975 Extreme Edition and Core i5-14600KF technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-975 Extreme Edition and Core i5-14600KF are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-975 Extreme Edition and Core i5-14600KF. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5-5600, DDR4-3200 |
| Maximum memory size | 24 GB | 192 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 89.6 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Core i7-975 Extreme Edition and Core i5-14600KF.
| PCIe version | no data | 5.0 and 4.0 |
| PCI Express lanes | no data | 16 |
Pros & cons summary
| Recency | 2 June 2009 | 17 October 2023 |
| Physical cores | 4 | 14 |
| Threads | 8 | 20 |
| Power consumption (TDP) | 130 Watt | 125 Watt |
i5-14600KF has an age advantage of 14 years, 250% more physical cores and 150% more threads, and 4% lower power consumption.
We couldn't decide between Core i7-975 Extreme Edition and Core i5-14600KF. We've got no test results to judge.
Should you still have questions on choice between Core i7-975 Extreme Edition and Core i5-14600KF, ask them in Comments section, and we shall answer.
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