Xeon Platinum 8280L vs 6521P
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 95 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Series | no data | Intel Xeon Platinum |
| Power efficiency | 6.93 | no data |
| Designer | Intel | Intel |
| Architecture codename | no data | Cascade Lake (2019−2020) |
| Release date | 1 January 2025 (less than a year ago) | 2 April 2019 (6 years ago) |
| Launch price (MSRP) | no data | $17,906 |
Detailed specifications
Xeon 6521P and Xeon Platinum 8280L 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 | 24 (Tetracosa-Core) | 28 (Octacosa-Core) |
| Threads | 48 | 56 |
| Base clock speed | 2.6 GHz | 2.7 GHz |
| Boost clock speed | 4.1 GHz | 4 GHz |
| Multiplier | no data | 27 |
| L1 cache | no data | 1.75 MB |
| L2 cache | no data | 28 MB |
| L3 cache | 144 MB | 38.5 MB |
| Chip lithography | Intel 3 nm | 14 nm |
| Maximum core temperature | 82 °C | 84 °C |
| 64 bit support | - | + |
| Windows 11 compatibility | no data | + |
Compatibility
Information on Xeon 6521P and Xeon Platinum 8280L 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 | 8 (Multiprocessor) |
| Socket | FCLGA4710 | FCLGA3647 |
| Power consumption (TDP) | 225 Watt | 205 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon 6521P and Xeon Platinum 8280L. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512, Intel® AMX | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | + | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Turbo Boost Max 3.0 | no data | - |
| Deep Learning Boost | + | + |
Security technologies
Xeon 6521P and Xeon Platinum 8280L technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| SGX | + | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon 6521P and Xeon Platinum 8280L are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon 6521P and Xeon Platinum 8280L. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5(6400MT/s) | DDR4-2933 |
| Maximum memory size | 4 TB | 4.5 TB |
| Max memory channels | 8 | 6 |
| Maximum memory bandwidth | no data | 140.8 GB/s |
| ECC memory support | + | + |
Peripherals
Specifications and connection of peripherals supported by Xeon 6521P and Xeon Platinum 8280L.
| PCIe version | 5.0 | 3.0 |
| PCI Express lanes | 136 | 48 |
Pros & cons summary
| Recency | 1 January 2025 | 2 April 2019 |
| Physical cores | 24 | 28 |
| Threads | 48 | 56 |
| Power consumption (TDP) | 225 Watt | 205 Watt |
Xeon 6521P has an age advantage of 5 years.
Xeon Platinum 8280L, on the other hand, has 16.7% more physical cores and 16.7% more threads, and 9.8% lower power consumption.
We couldn't decide between Intel Xeon 6521P and Intel Xeon Platinum 8280L. We've got no test results to judge.
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