Intel Xeon 6516P-B: specs and benchmarks
Summary
Intel started Xeon 6516P-B sales 24 February 2025 at a recommended price of $1,544. This is a Granite Rapids architecture desktop processor primarily aimed at professional systems. It has 20 cores and 40 threads, and is based on 5 nm manufacturing technology, with a maximum frequency of 3500 MHz and a locked multiplier.
Compatibility-wise, this is Intel BGA 4368 processor with a TDP of 145 Watt and a maximum temperature of 85 °C. It supports DDR5 memory.
Primary details
Xeon 6516P-B processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in the ranking | not rated | |
| Place by popularity | not in top-100 | |
| Market segment | Server | |
| Designer | Intel | |
| Architecture codename | Granite Rapids (2024−2025) | |
| Release date | 24 February 2025 (recently) | |
| Launch price (MSRP) | $1,544 | of 17,906 (Xeon Platinum 8280L) |
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 20 (Icosa-Core) | |
| Threads | 40 | |
| Base clock speed | 2.3 GHz | of 4.7 GHz (FX-9590) |
| Boost clock speed | 3.5 GHz | of 6.2 GHz (Core i9-14900KS) |
| L1 cache | 112 KB (per core) | of 80 KB (EPYC 9965) |
| L2 cache | 2 MB (per core) | of 2 MB (Xeon 6980P) |
| L3 cache | 80 MB (shared) | of 1152 MB (EPYC 9684X) |
| Chip lithography | 5 nm | of 3 nm (Apple M3 Max 16-Core) |
| Die size | 598 mm2 | |
| Maximum case temperature (TCase) | 85 °C | of 105 °C (Core i7-5950HQ) |
| 64 bit support | + |
Compatibility
Information on Xeon 6516P-B compatibility with other computer components and devices: 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 | of 8 (Opteron 842) |
| Socket | Intel BGA 4368 | |
| Power consumption (TDP) | 145 Watt | of 500 Watt (Xeon 6960P) |
Technologies and extensions
Technological capabilities and additional instructions supported by Xeon 6516P-B. You'll probably need this information if you require some particular technology.
| AES-NI | + | |
| AVX | + | |
| TSX | + |
Security technologies
Processor technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + |
Virtualization technologies
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
| VT-d | + | |
| VT-x | + |
Memory specs
Types, maximum amount and channel number of RAM supported by Xeon 6516P-B's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| Supported memory types | DDR5 |
Graphics specifications
General parameters of a GPU integrated into Xeon 6516P-B.
| Integrated graphics card | N/A |
Peripherals
Specifications and connection types of supported peripherals.
| PCIe version | 5.0 | |
| PCI Express lanes | 32 | of 128 (EPYC 7551P) |
Similar processors
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
