i7-975 Extreme Edition vs Ryzen 9 8945H
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 451 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Hawk Point (Zen 4/4c, Ryzen 8040) | Intel Core i7EE |
| Power efficiency | 16.20 | no data |
| Designer | AMD | Intel |
| Architecture codename | Hawk Point-HS (Zen 4) (2023−2024) | Nehalem (2008−2010) |
| Release date | 6 December 2023 (2 years ago) | 2 June 2009 (16 years ago) |
Detailed specifications
Ryzen 9 8945H and Core i7-975 Extreme Edition 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 | 8 (Octa-Core) | 4 (Quad-Core) |
| Threads | 16 | 8 |
| Base clock speed | 4 GHz | no data |
| Boost clock speed | 5.2 GHz | 3.33 GHz |
| Bus type | no data | QPI |
| Bus rate | no data | 6.4 GT/s |
| Multiplier | no data | 25 |
| L1 cache | 512 KB | no data |
| L2 cache | 8 MB | 1 MB |
| L3 cache | 16 MB | 8 MB |
| Chip lithography | 4 nm | 45 nm |
| Die size | 178 mm2 | 263 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | no data | 731 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
Compatibility
Information on Ryzen 9 8945H and Core i7-975 Extreme Edition 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 (Uniprocessor) |
| Socket | FP7/FP7r2/FP8 | no data |
| Power consumption (TDP) | 45 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 8945H and Core i7-975 Extreme Edition. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Ryzen AI, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME | no data |
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 8945H and Core i7-975 Extreme Edition. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | no data |
| Maximum memory size | no data | 24 GB |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 780M ( - 2800 MHz) | no data |
Pros & cons summary
| Recency | 6 December 2023 | 2 June 2009 |
| Physical cores | 8 | 4 |
| Threads | 16 | 8 |
| Chip lithography | 4 nm | 45 nm |
| Power consumption (TDP) | 45 Watt | 130 Watt |
Ryzen 9 8945H has an age advantage of 14 years, 100% more physical cores and 100% more threads, a 1025% more advanced lithography process, and 189% lower power consumption.
We couldn't decide between AMD Ryzen 9 8945H and Intel Core i7-975 Extreme Edition. We've got no test results to judge.
Be aware that Ryzen 9 8945H is a notebook processor while Core i7-975 Extreme Edition is a desktop one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
