Xeon 6556P-B vs Gold 5515+
Primary details
Comparing Xeon Gold 5515+ and Xeon 6556P-B processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 432 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 35.41 | no data |
| Market segment | Server | Server |
| Power efficiency | 9.30 | no data |
| Designer | Intel | Intel |
| Architecture codename | Emerald Rapids (2023) | Granite Rapids (2024−2025) |
| Release date | 14 December 2023 (1 year ago) | 24 February 2025 (recently) |
| Launch price (MSRP) | $1,099 | $2,628 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon Gold 5515+ and Xeon 6556P-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) | 36 |
| Threads | 16 | 72 |
| Base clock speed | 3.2 GHz | 2.3 GHz |
| Boost clock speed | 4.1 GHz | 3.5 GHz |
| L1 cache | 80 KB (per core) | 112 KB (per core) |
| L2 cache | 2 MB (per core) | 2 MB (per core) |
| L3 cache | 22.5 MB (shared) | 144 MB (shared) |
| Chip lithography | 10 nm | 5 nm |
| Die size | 2x 763 mm2 | 598 mm2 |
| Maximum case temperature (TCase) | 76 °C | 85 °C |
| 64 bit support | + | + |
Compatibility
Information on Xeon Gold 5515+ and Xeon 6556P-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 | 2 | 2 |
| Socket | 4677 | Intel BGA 4368 |
| Power consumption (TDP) | 165 Watt | 215 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Gold 5515+ and Xeon 6556P-B. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| TSX | + | + |
Security technologies
Xeon Gold 5515+ and Xeon 6556P-B technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Gold 5515+ and Xeon 6556P-B are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Gold 5515+ and Xeon 6556P-B. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | N/A |
Peripherals
Specifications and connection of peripherals supported by Xeon Gold 5515+ and Xeon 6556P-B.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 80 | 32 |
Pros & cons summary
| Recency | 14 December 2023 | 24 February 2025 |
| Physical cores | 8 | 36 |
| Threads | 16 | 72 |
| Chip lithography | 10 nm | 5 nm |
| Power consumption (TDP) | 165 Watt | 215 Watt |
Xeon Gold 5515+ has 30.3% lower power consumption.
Xeon 6556P-B, on the other hand, has an age advantage of 1 year, 350% more physical cores and 350% more threads, and a 100% more advanced lithography process.
We couldn't decide between Intel Xeon Gold 5515+ and Intel Xeon 6556P-B. We've got no test results to judge.
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