EPYC 7H12 vs i7-7740K
Primary details
Comparing Core i7-7740K and EPYC 7H12 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 47 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Series | no data | AMD EPYC |
| Power efficiency | no data | 14.82 |
| Architecture codename | Kaby Lake-X (2017) | Zen 2 (2017−2020) |
| Release date | no data (2024 years ago) | 18 September 2019 (5 years ago) |
Detailed specifications
Core i7-7740K and EPYC 7H12 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) | 64 (Tetrahexaconta-Core) |
| Threads | no data | 128 |
| Base clock speed | no data | 2.6 GHz |
| Boost clock speed | 4.3 GHz | 3.3 GHz |
| Multiplier | no data | 26 |
| L1 cache | 64 KB (per core) | 96K (per core) |
| L2 cache | 256 KB (per core) | 512K (per core) |
| L3 cache | 8192 KB (shared) | 256 MB (shared) |
| Chip lithography | 14 nm | 7 nm, 14 nm |
| Die size | no data | 192 mm2 |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | + | + |
Compatibility
Information on Core i7-7740K and EPYC 7H12 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 | 2 (Multiprocessor) |
| Socket | 1151 | TR4 |
| Power consumption (TDP) | 112 Watt | 280 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-7740K and EPYC 7H12. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| TSX | + | - |
| Precision Boost 2 | no data | + |
Security technologies
Core i7-7740K and EPYC 7H12 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-7740K and EPYC 7H12 are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-7740K and EPYC 7H12. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4 Eight-channel |
| Maximum memory size | no data | 4 TiB |
| Max memory channels | no data | 8 |
| Maximum memory bandwidth | no data | 204.763 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | HD 630 | no data |
Pros & cons summary
| Physical cores | 4 | 64 |
| Chip lithography | 14 nm | 7 nm |
| Power consumption (TDP) | 112 Watt | 280 Watt |
i7-7740K has 150% lower power consumption.
EPYC 7H12, on the other hand, has 1500% more physical cores, and a 100% more advanced lithography process.
We couldn't decide between Core i7-7740K and EPYC 7H12. We've got no test results to judge.
Note that Core i7-7740K is a desktop processor while EPYC 7H12 is a server/workstation one.
Should you still have questions on choice between Core i7-7740K and EPYC 7H12, ask them in Comments section, and we shall answer.
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