EPYC 8434PN vs EPYC 7H12
Primary details
Comparing EPYC 7H12 and EPYC 8434PN processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 47 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Series | AMD EPYC | no data |
| Power efficiency | 14.82 | no data |
| Architecture codename | Zen 2 (2017−2020) | Siena (2023−2024) |
| Release date | 18 September 2019 (5 years ago) | 18 September 2023 (1 year ago) |
| Launch price (MSRP) | no data | $3,150 |
Detailed specifications
EPYC 7H12 and EPYC 8434PN 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 | 64 (Tetrahexaconta-Core) | 48 (Octatetraconta-Core) |
| Threads | 128 | 96 |
| Base clock speed | 2.6 GHz | 2 GHz |
| Boost clock speed | 3.3 GHz | 3 GHz |
| Multiplier | 26 | no data |
| L1 cache | 96K (per core) | 64 KB (per core) |
| L2 cache | 512K (per core) | 1 MB (per core) |
| L3 cache | 256 MB (shared) | 128 MB (shared) |
| Chip lithography | 7 nm, 14 nm | 5 nm |
| Die size | 192 mm2 | 4x 73 mm2 |
| Maximum case temperature (TCase) | no data | 85 °C |
| Number of transistors | 4,800 million | 35,500 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on EPYC 7H12 and EPYC 8434PN 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 | 2 (Multiprocessor) | 1 |
| Socket | TR4 | SP6 |
| Power consumption (TDP) | 280 Watt | 155 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7H12 and EPYC 8434PN. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 7H12 and EPYC 8434PN are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 7H12 and EPYC 8434PN. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Eight-channel | DDR5 |
| Maximum memory size | 4 TiB | no data |
| Max memory channels | 8 | no data |
| Maximum memory bandwidth | 204.763 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by EPYC 7H12 and EPYC 8434PN.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 96 |
Pros & cons summary
| Recency | 18 September 2019 | 18 September 2023 |
| Physical cores | 64 | 48 |
| Threads | 128 | 96 |
| Chip lithography | 7 nm | 5 nm |
| Power consumption (TDP) | 280 Watt | 155 Watt |
EPYC 7H12 has 33.3% more physical cores and 33.3% more threads.
EPYC 8434PN, on the other hand, has an age advantage of 4 years, a 40% more advanced lithography process, and 80.6% lower power consumption.
We couldn't decide between EPYC 7H12 and EPYC 8434PN. We've got no test results to judge.
Should you still have questions on choice between EPYC 7H12 and EPYC 8434PN, ask them in Comments section, and we shall answer.
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