EPYC 7543P vs Itanium 9540
Primary details
Comparing Itanium 9540 and EPYC 7543P processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 55 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 12.50 |
| Market segment | Server | Server |
| Series | no data | AMD EPYC |
| Power efficiency | no data | 17.66 |
| Architecture codename | no data | Milan (2021−2023) |
| Release date | 1 October 2012 (12 years ago) | 12 January 2021 (3 years ago) |
| Launch price (MSRP) | no data | $2,730 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Itanium 9540 and EPYC 7543P 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 | 8 (Octa-Core) | 32 (Dotriaconta-Core) |
| Threads | 16 | 64 |
| Base clock speed | 2.13 GHz | 2.8 GHz |
| Boost clock speed | no data | 3.7 GHz |
| Bus rate | 6.4 GT/s | no data |
| Multiplier | no data | 28 |
| L1 cache | no data | 2 MB |
| L2 cache | no data | 16 MB |
| L3 cache | 24 MB | 256 MB (shared) |
| Chip lithography | 32 nm | 7 nm+ |
| Die size | no data | 8x 81 mm2 |
| Maximum core temperature | 95 °C | no data |
| Number of transistors | no data | 33,200 million |
| 64 bit support | - | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Itanium 9540 and EPYC 7543P 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 | no data | 1 |
| Socket | LGA1248 | SP3 |
| Power consumption (TDP) | 170 Watt | 225 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Itanium 9540 and EPYC 7543P. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
Security technologies
Itanium 9540 and EPYC 7543P technologies aimed at improving security, for example, by protecting against hacks.
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Itanium 9540 and EPYC 7543P 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 Itanium 9540 and EPYC 7543P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4-3200 |
| Maximum memory size | no data | 4 TiB |
| Maximum memory bandwidth | no data | 204.795 GB/s |
| 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 Itanium 9540 and EPYC 7543P.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 128 |
Pros & cons summary
| Recency | 1 October 2012 | 12 January 2021 |
| Physical cores | 8 | 32 |
| Threads | 16 | 64 |
| Chip lithography | 32 nm | 7 nm |
| Power consumption (TDP) | 170 Watt | 225 Watt |
Itanium 9540 has 32.4% lower power consumption.
EPYC 7543P, on the other hand, has an age advantage of 8 years, 300% more physical cores and 300% more threads, and a 357.1% more advanced lithography process.
We couldn't decide between Itanium 9540 and EPYC 7543P. We've got no test results to judge.
Should you still have questions on choice between Itanium 9540 and EPYC 7543P, ask them in Comments section, and we shall answer.
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