Xeon 6516P-B vs Ryzen 7 7840H
Primary details
Comparing Ryzen 7 7840H and Xeon 6516P-B processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 370 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Power efficiency | 47.86 | no data |
| Designer | AMD | Intel |
| Architecture codename | Phoenix (2023−2024) | Granite Rapids (2024−2025) |
| Release date | January 2023 (2 years ago) | 24 February 2025 (recently) |
| Launch price (MSRP) | no data | $1,544 |
Detailed specifications
Ryzen 7 7840H and Xeon 6516P-B 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) | 20 (Icosa-Core) |
| Threads | 16 | 40 |
| Base clock speed | 3.8 GHz | 2.3 GHz |
| Boost clock speed | 5.1 GHz | 3.5 GHz |
| L1 cache | 64K (per core) | 112 KB (per core) |
| L2 cache | 1 MB (per core) | 2 MB (per core) |
| L3 cache | 16 MB (shared) | 80 MB (shared) |
| Chip lithography | 4 nm | 5 nm |
| Die size | 178 mm2 | 598 mm2 |
| Maximum case temperature (TCase) | no data | 85 °C |
| Number of transistors | 25,000 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Ryzen 7 7840H and Xeon 6516P-B 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 | 1 | 2 |
| Socket | FP8 | Intel BGA 4368 |
| Power consumption (TDP) | 35 Watt | 145 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 7 7840H and Xeon 6516P-B. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| TSX | - | + |
| Precision Boost 2 | + | no data |
Security technologies
Ryzen 7 7840H and Xeon 6516P-B technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 7 7840H and Xeon 6516P-B are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 7 7840H and Xeon 6516P-B. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-5600 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 780M | N/A |
Peripherals
Specifications and connection of peripherals supported by Ryzen 7 7840H and Xeon 6516P-B.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 20 | 32 |
Pros & cons summary
| Physical cores | 8 | 20 |
| Threads | 16 | 40 |
| Chip lithography | 4 nm | 5 nm |
| Power consumption (TDP) | 35 Watt | 145 Watt |
Ryzen 7 7840H has a 25% more advanced lithography process, and 314.3% lower power consumption.
Xeon 6516P-B, on the other hand, has 150% more physical cores and 150% more threads.
We couldn't decide between AMD Ryzen 7 7840H and Intel Xeon 6516P-B. We've got no test results to judge.
Be aware that Ryzen 7 7840H is a notebook processor while Xeon 6516P-B is a server/workstation one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
