Ryzen Z1 vs i7-975 Extreme Edition
Primary details
Comparing Core i7-975 Extreme Edition and Ryzen Z1 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 646 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | Intel Core i7EE | Phoenix (Zen 4, Ryzen 7040) |
| Power efficiency | no data | 75.21 |
| Architecture codename | Nehalem (2008−2010) | Phoenix (Zen4) (2023) |
| Release date | 2 June 2009 (15 years ago) | May 2023 (1 year ago) |
Detailed specifications
Core i7-975 Extreme Edition and Ryzen Z1 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) | 6 (Hexa-Core) |
| Threads | 8 | 12 |
| Base clock speed | no data | 3.2 GHz |
| Boost clock speed | 3.33 GHz | 4.9 GHz |
| Bus type | QPI | no data |
| Bus rate | 6.4 GT/s | no data |
| Multiplier | 25 | no data |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | 1 MB | 1 MB (per core) |
| L3 cache | 8 MB | 16 MB (shared) |
| Chip lithography | 45 nm | 4 nm |
| Die size | 263 mm2 | 137 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 731 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Core i7-975 Extreme Edition and Ryzen Z1 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 | FP8 |
| Power consumption (TDP) | 130 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-975 Extreme Edition and Ryzen Z1. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-975 Extreme Edition and Ryzen Z1 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-975 Extreme Edition and Ryzen Z1. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 |
| Maximum memory size | 24 GB | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 740M |
Peripherals
Specifications and connection of peripherals supported by Core i7-975 Extreme Edition and Ryzen Z1.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Physical cores | 4 | 6 |
| Threads | 8 | 12 |
| Chip lithography | 45 nm | 4 nm |
| Power consumption (TDP) | 130 Watt | 15 Watt |
Ryzen Z1 has 50% more physical cores and 50% more threads, a 1025% more advanced lithography process, and 766.7% lower power consumption.
We couldn't decide between Core i7-975 Extreme Edition and Ryzen Z1. We've got no test results to judge.
Note that Core i7-975 Extreme Edition is a desktop processor while Ryzen Z1 is a notebook one.
Should you still have questions on choice between Core i7-975 Extreme Edition and Ryzen Z1, ask them in Comments section, and we shall answer.
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