EPYC 7443P vs Xeon L7455
Aggregate performance score
EPYC 7443P outperforms Xeon L7455 by a whopping 2189% based on our aggregate benchmark results.
Primary details
Comparing Xeon L7455 and EPYC 7443P processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2101 | 102 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 22.83 |
| Market segment | Server | Server |
| Series | no data | AMD EPYC |
| Power efficiency | 2.29 | 17.01 |
| Architecture codename | no data | Milan (2021−2023) |
| Release date | 1 July 2008 (16 years ago) | 12 January 2021 (3 years ago) |
| Launch price (MSRP) | no data | $1,337 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon L7455 and EPYC 7443P 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 | no data | 24 (Tetracosa-Core) |
| Threads | no data | 48 |
| Base clock speed | 2.13 GHz | 2.85 GHz |
| Boost clock speed | no data | 4 GHz |
| Multiplier | no data | 28.5 |
| L1 cache | no data | 1536 KB |
| L2 cache | no data | 12 MB |
| L3 cache | 12 MB L2 Cache | 128 MB (shared) |
| Chip lithography | 45 nm | 7 nm+ |
| Die size | no data | 4x 81 mm2 |
| Maximum core temperature | 73 °C | no data |
| Number of transistors | no data | 16,600 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| VID voltage range | 0.9V-1.45V | no data |
Compatibility
Information on Xeon L7455 and EPYC 7443P 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 | PGA604 | SP3 |
| Power consumption (TDP) | 65 Watt | 200 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon L7455 and EPYC 7443P. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | - | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | - | no data |
| Demand Based Switching | + | no data |
| FSB parity | + | no data |
Security technologies
Xeon L7455 and EPYC 7443P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon L7455 and EPYC 7443P are enumerated here.
| AMD-V | - | + |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon L7455 and EPYC 7443P. 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 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Xeon L7455 and EPYC 7443P.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 128 |
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 | 1.57 | 35.94 |
| Recency | 1 July 2008 | 12 January 2021 |
| Chip lithography | 45 nm | 7 nm |
| Power consumption (TDP) | 65 Watt | 200 Watt |
Xeon L7455 has 207.7% lower power consumption.
EPYC 7443P, on the other hand, has a 2189.2% higher aggregate performance score, an age advantage of 12 years, and a 542.9% more advanced lithography process.
The EPYC 7443P is our recommended choice as it beats the Xeon L7455 in performance tests.
Should you still have questions on choice between Xeon L7455 and EPYC 7443P, ask them in Comments section, and we shall answer.
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