i7-975 Extreme Edition vs EPYC 4345P
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 346 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 58.42 | no data |
| Market segment | Server | Desktop processor |
| Series | no data | Intel Core i7EE |
| Power efficiency | 13.40 | no data |
| Designer | AMD | Intel |
| Manufacturer | TSMC | no data |
| Architecture codename | Grado (2025) | Nehalem (2008−2010) |
| Release date | 13 May 2025 (1 year ago) | 2 June 2009 (16 years ago) |
| Launch price (MSRP) | $329 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Basic parameters of EPYC 4345P and Core i7-975 Extreme Edition: 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 | 3.8 GHz | no data |
| Boost clock speed | 5.5 GHz | 3.33 GHz |
| Bus type | no data | QPI |
| Bus rate | no data | 6.4 GT/s |
| Multiplier | no data | 25 |
| L1 cache | 80 KB (per core) | no data |
| L2 cache | 1 MB (per core) | 1 MB |
| L3 cache | 32 MB (shared) | 8 MB |
| Chip lithography | 4 nm | 45 nm |
| Die size | 70.6 mm2 | 263 mm2 |
| Number of transistors | 8,315 million | 731 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
Compatibility
Information on EPYC 4345P 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 | 1 | 1 (Uniprocessor) |
| Socket | AM5 | no data |
| Power consumption (TDP) | 65 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 4345P and Core i7-975 Extreme Edition. 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 EPYC 4345P and Core i7-975 Extreme Edition are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 4345P 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 Graphics | no data |
Peripherals
Specifications and connection of peripherals supported by EPYC 4345P and Core i7-975 Extreme Edition.
| PCIe version | 5.0 | no data |
| PCI Express lanes | 24 | no data |
Pros & cons summary
| Recency | 13 May 2025 | 2 June 2009 |
| Physical cores | 8 | 4 |
| Threads | 16 | 8 |
| Chip lithography | 4 nm | 45 nm |
| Power consumption (TDP) | 65 Watt | 130 Watt |
EPYC 4345P has an age advantage of 15 years, 100% more physical cores and 100% more threads, a 1025% more advanced lithography process, and 100% lower power consumption.
We couldn't decide between AMD EPYC 4345P and Intel Core i7-975 Extreme Edition. We've got no test results to judge.
Be aware that EPYC 4345P is a server/workstation processor while Core i7-975 Extreme Edition is a desktop one.
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