Xeon E7520 vs EPYC 7H12
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 94 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Series | AMD EPYC | no data |
| Power efficiency | 6.00 | no data |
| Designer | AMD | Intel |
| Manufacturer | TSMC | no data |
| Architecture codename | Zen 2 (2019−2020) | no data |
| Release date | 18 September 2019 (6 years ago) | 1 January 2010 (16 years ago) |
Detailed specifications
EPYC 7H12 and Xeon E7520 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) | 4 (Quad-Core) |
| Threads | 128 | 8 |
| Base clock speed | 2.6 GHz | 1.87 GHz |
| Boost clock speed | 3.3 GHz | 1.87 GHz |
| Multiplier | 26 | no data |
| L1 cache | 96K (per core) | no data |
| L2 cache | 512K (per core) | no data |
| L3 cache | 256 MB (shared) | 18 MB L3 Cache |
| Chip lithography | 7 nm, 14 nm | 45 nm |
| Die size | 192 mm2 | no data |
| Maximum core temperature | no data | 70 °C |
| Number of transistors | 4,800 million | no data |
| 64 bit support | + | - |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | + | - |
Compatibility
Information on EPYC 7H12 and Xeon E7520 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) | no data |
| Socket | TR4 | FCLGA1567 |
| Power consumption (TDP) | 280 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7H12 and Xeon E7520. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Hyper-Threading Technology | no data | + |
| Precision Boost 2 | + | no data |
Security technologies
EPYC 7H12 and Xeon E7520 technologies aimed at improving security, for example, by protecting against hacks.
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 7H12 and Xeon E7520 are enumerated here.
| AMD-V | + | - |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 7H12 and Xeon E7520. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Eight-channel | no data |
| 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 | + | - |
Pros & cons summary
| Recency | 18 September 2019 | 1 January 2010 |
| Physical cores | 64 | 4 |
| Threads | 128 | 8 |
| Chip lithography | 7 nm | 45 nm |
| Power consumption (TDP) | 280 Watt | 95 Watt |
EPYC 7H12 has an age advantage of 9 years, 1500% more physical cores and 1500% more threads, and a 543% more advanced lithography process.
Xeon E7520, on the other hand, has 195% lower power consumption.
We couldn't decide between AMD EPYC 7H12 and Intel Xeon E7520. We've got no test results to judge.
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