EPYC 7H12 vs A4-4020
Aggregate performance score
EPYC 7H12 outperforms A4-4020 by a whopping 5382% based on our aggregate benchmark results.
Primary details
Comparing A4-4020 and EPYC 7H12 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2599 | 46 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Series | no data | AMD EPYC |
| Power efficiency | 1.16 | 14.82 |
| Architecture codename | Richland (2013−2014) | Zen 2 (2017−2020) |
| Release date | January 2014 (10 years ago) | 18 September 2019 (5 years ago) |
Detailed specifications
A4-4020 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 | 2 (Dual-core) | 64 (Tetrahexaconta-Core) |
| Threads | 2 | 128 |
| Base clock speed | 3.2 GHz | 2.6 GHz |
| Boost clock speed | 3.4 GHz | 3.3 GHz |
| Multiplier | no data | 26 |
| L1 cache | 96K | 96K (per core) |
| L2 cache | 1 MB (shared) | 512K (per core) |
| L3 cache | no data | 256 MB (shared) |
| Chip lithography | 32 nm | 7 nm, 14 nm |
| Die size | 246 mm2 | 192 mm2 |
| Maximum case temperature (TCase) | 70 °C | no data |
| Number of transistors | 1,303 million | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | + |
| Unlocked multiplier | - | + |
Compatibility
Information on A4-4020 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 | FM2 | TR4 |
| Power consumption (TDP) | 65 Watt | 280 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A4-4020 and EPYC 7H12. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| PowerNow | + | - |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A4-4020 and EPYC 7H12 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A4-4020 and EPYC 7H12. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1333 | 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 | AMD Radeon HD 7480D | no data |
Peripherals
Specifications and connection of peripherals supported by A4-4020 and EPYC 7H12.
| PCIe version | 2.0 | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Performance score | 0.83 | 45.50 |
| Physical cores | 2 | 64 |
| Threads | 2 | 128 |
| Chip lithography | 32 nm | 7 nm |
| Power consumption (TDP) | 65 Watt | 280 Watt |
A4-4020 has 330.8% lower power consumption.
EPYC 7H12, on the other hand, has a 5381.9% higher aggregate performance score, 3100% more physical cores and 6300% more threads, and a 357.1% more advanced lithography process.
The EPYC 7H12 is our recommended choice as it beats the A4-4020 in performance tests.
Note that A4-4020 is a desktop processor while EPYC 7H12 is a server/workstation one.
Should you still have questions on choice between A4-4020 and EPYC 7H12, ask them in Comments section, and we shall answer.
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