EPYC 7443P vs i7-975 Extreme Edition
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 166 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 21.27 |
| Market segment | Desktop processor | Server |
| Series | Intel Core i7EE | AMD EPYC |
| Power efficiency | no data | 6.86 |
| Designer | Intel | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | Nehalem (2008−2010) | Milan (2021−2023) |
| Release date | 2 June 2009 (16 years ago) | 15 March 2021 (5 years ago) |
| Launch price (MSRP) | no data | $1,337 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Basic parameters of Core i7-975 Extreme Edition and EPYC 7443P: 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) | 24 (Tetracosa-Core) |
| Threads | 8 | 48 |
| Base clock speed | no data | 2.85 GHz |
| Boost clock speed | 3.33 GHz | 4 GHz |
| Bus type | QPI | no data |
| Bus rate | 6.4 GT/s | no data |
| Multiplier | 25 | 28.5 |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | 1 MB | 512 KB (per core) |
| L3 cache | 8 MB | 128 MB (shared) |
| Chip lithography | 45 nm | 7 nm+ |
| Die size | 263 mm2 | 4x 81 mm2 |
| Number of transistors | 731 Million | 16,600 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Core i7-975 Extreme Edition and EPYC 7443P 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 | SP3 |
| Power consumption (TDP) | 130 Watt | 200 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-975 Extreme Edition and EPYC 7443P. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-975 Extreme Edition and EPYC 7443P are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-975 Extreme Edition and EPYC 7443P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4-3200 |
| Maximum memory size | 24 GB | 4 TiB |
| Maximum memory bandwidth | no data | 204.795 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 EPYC 7443P.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 128 |
Pros & cons summary
| Recency | 2 June 2009 | 15 March 2021 |
| Physical cores | 4 | 24 |
| Threads | 8 | 48 |
| Chip lithography | 45 nm | 7 nm |
| Power consumption (TDP) | 130 Watt | 200 Watt |
i7-975 Extreme Edition has 54% lower power consumption.
EPYC 7443P, on the other hand, has an age advantage of 11 years, 500% more physical cores and 500% more threads, and a 543% more advanced lithography process.
We couldn't decide between Intel Core i7-975 Extreme Edition and AMD EPYC 7443P. We've got no test results to judge.
Note that Core i7-975 Extreme Edition is a desktop processor while EPYC 7443P is a server/workstation one.
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