EPYC 7401 vs Xeon L5518
Primary details
Comparing Xeon L5518 and EPYC 7401 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 106 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 9.14 |
| Market segment | Server | Server |
| Series | no data | AMD EPYC |
| Power efficiency | no data | 19.37 |
| Architecture codename | Gainestown (2009−2010) | Naples (2017−2018) |
| Release date | 30 March 2009 (15 years ago) | 29 June 2017 (7 years ago) |
| Launch price (MSRP) | no data | $1,850 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon L5518 and EPYC 7401 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) | 24 (Tetracosa-Core) |
| Threads | 8 | 48 |
| Base clock speed | 2.133 GHz | 2 GHz |
| Boost clock speed | 2.4 GHz | 3 GHz |
| Multiplier | no data | 20 |
| L1 cache | 64 KB (per core) | 96K (per core) |
| L2 cache | 256 KB (per core) | 512K (per core) |
| L3 cache | 8 MB (shared) | 64 MB (shared) |
| Chip lithography | 45 nm | 14 nm |
| Die size | 263 mm2 | 192 mm2 |
| Number of transistors | 731 million | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon L5518 and EPYC 7401 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 | 2 (Multiprocessor) |
| Socket | 1366 | TR4 |
| Power consumption (TDP) | 60 Watt | 170 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon L5518 and EPYC 7401. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
Security technologies
Xeon L5518 and EPYC 7401 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon L5518 and EPYC 7401 are enumerated here.
| AMD-V | - | + |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon L5518 and EPYC 7401. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4 Eight-channel |
| Maximum memory size | no data | 2 TiB |
| Max memory channels | no data | 8 |
| Maximum memory bandwidth | no data | 170.671 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by Xeon L5518 and EPYC 7401.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | no data | 128 |
Pros & cons summary
| Recency | 30 March 2009 | 29 June 2017 |
| Physical cores | 4 | 24 |
| Threads | 8 | 48 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 60 Watt | 170 Watt |
Xeon L5518 has 183.3% lower power consumption.
EPYC 7401, on the other hand, has an age advantage of 8 years, 500% more physical cores and 500% more threads, and a 221.4% more advanced lithography process.
We couldn't decide between Xeon L5518 and EPYC 7401. We've got no test results to judge.
Should you still have questions on choice between Xeon L5518 and EPYC 7401, ask them in Comments section, and we shall answer.
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