EPYC 9645 vs i7-5775C
Primary details
Comparing Core i7-5775C and EPYC 9645 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1235 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.77 | no data |
| Market segment | Desktop processor | Server |
| Series | Intel Core i7 (Desktop) | no data |
| Power efficiency | 7.06 | no data |
| Architecture codename | Broadwell (2015−2019) | Turin (2024) |
| Release date | 15 May 2015 (9 years ago) | 10 October 2024 (recently) |
| Launch price (MSRP) | $366 | $11,048 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-5775C and EPYC 9645 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) | 96 |
| Threads | 8 | 192 |
| Base clock speed | 3.3 GHz | 2.3 GHz |
| Boost clock speed | 3.7 GHz | 3.7 GHz |
| Bus type | DMI 2.0 | no data |
| Bus rate | 5 GT/s | no data |
| Multiplier | 33 | no data |
| L1 cache | 64 KB (per core) | 80 KB (per core) |
| L2 cache | 256 KB (per core) | 1 MB (per core) |
| L3 cache | 6 MB (shared) | 256 MB (shared) |
| Chip lithography | 14 nm | 3 nm |
| Die size | 182 mm2 | no data |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i7-5775C and EPYC 9645 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) | 2 |
| Socket | FCLGA1150 | SP5 |
| Power consumption (TDP) | 65 Watt | 320 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-5775C and EPYC 9645. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | no data |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| eDRAM | 128 MB | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| FDI | + | no data |
| Precision Boost 2 | no data | + |
Security technologies
Core i7-5775C and EPYC 9645 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Secure Key | + | no data |
| Identity Protection | + | - |
| OS Guard | + | no data |
| Anti-Theft | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-5775C and EPYC 9645 are enumerated here.
| AMD-V | + | + |
| VT-d | + | no data |
| VT-x | + | no data |
| VT-i | - | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-5775C and EPYC 9645. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5 |
| Maximum memory size | 32 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 25.6 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel Iris Pro Graphics 6200 | N/A |
| Max video memory | 32 GB | no data |
| Quick Sync Video | + | - |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.15 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i7-5775C and EPYC 9645 integrated GPUs.
| Number of displays supported | 3 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| DVI | + | no data |
| VGA | + | no data |
Graphics image quality
Maximum display resolutions supported by Core i7-5775C and EPYC 9645 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 4096x2304@24Hz | no data |
| Max resolution over eDP | 3840x2160@60Hz | no data |
| Max resolution over DisplayPort | 3840x2160@60Hz | no data |
| Max resolution over VGA | 1920x1200@60Hz | no data |
Graphics API support
APIs supported by Core i7-5775C and EPYC 9645 integrated GPUs, sometimes API versions are included.
| DirectX | 11.2 | no data |
| OpenGL | 4.3 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-5775C and EPYC 9645.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 16 | 128 |
Pros & cons summary
| Recency | 15 May 2015 | 10 October 2024 |
| Physical cores | 4 | 96 |
| Threads | 8 | 192 |
| Chip lithography | 14 nm | 3 nm |
| Power consumption (TDP) | 65 Watt | 320 Watt |
i7-5775C has 392.3% lower power consumption.
EPYC 9645, on the other hand, has an age advantage of 9 years, 2300% more physical cores and 2300% more threads, and a 366.7% more advanced lithography process.
We couldn't decide between Core i7-5775C and EPYC 9645. We've got no test results to judge.
Note that Core i7-5775C is a desktop processor while EPYC 9645 is a server/workstation one.
Should you still have questions on choice between Core i7-5775C and EPYC 9645, ask them in Comments section, and we shall answer.
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