Key facts
Production status: Active
Release date: 2025-02-24
Cores / Threads: 36 / 72
Base clock: 2300 MHz
Turbo clock: 3500 MHz
TDP: -
Process: 5 nm
Codename: Granite Rapids
Generation: Xeon 6 (Granite Rapids-D)
All available specs
| Field | Value |
|---|---|
| name | Xeon 6556P-B |
| Socket | Intel BGA 4368 |
| Foundry | Intel |
| Process Size | 5 nm |
| Die Size | 598 mm² |
| Package | FC-BGA18N |
| Market | Server/Workstation |
| Production Status | Active |
| Release Date | Feb 24th, 2025 |
| Part# | SRWG2 |
| Frequency | 2.3 GHz |
| Turbo Clock | up to 3.5 GHz |
| Base Clock | 100 MHz |
| Multiplier | 23.0x |
| Multiplier Unlocked | No |
| Codename | Granite Rapids |
| Generation | Xeon 6 (Granite Rapids-D) |
| Memory Support | DDR5 |
| ECC Memory | Yes |
| # of Cores | 36 |
| # of Threads | 72 |
| SMP # CPUs | 2 |
| Cache L1 | 112 KB (per core) |
| Cache L2 | 2 MB (per core) |
| Features | MMX, SSE, SSE2, SSE3, SSSE3, SSE4.2, AVX, AVX2, AVX-512, AVX-VNNI, FMA3, SHA, HTT, Intel 64, XD bit, VT-x, VT-x EPT, VT-d, AES-NI, TSX, TXT, CLMUL, F16C, BMI1, BMI2, ABM, ADX, AMX, RdRand, 5-level NPT, X2APIC, Intel DSA (1), QAT (1), DLB (1), IAA (0), TDX, TME, SGX (512GB), RDT, VROC, QuickAssist, DLBoost 3.0, vRAN Boost, TBT 2.0 |
| Notes | Intel 200GbE integrated Ethernet.Long term support option until 2035. |
| Rated Speed | 6400 MT/s |
| Memory Bus | Quad-channel |
| Memory Bandwidth | 204.8 GB/s |
| Launch Price | $2,628 |
| PCI-Express | Gen 5, 32 Lanes (CPU only) |
| Cache L3 | 144 MB (shared) |
| tCaseMax | 85°C |
| Secondary PCIe | Gen 4, 16 Lanes |
| All Core Turbo | 2.9 GHz |
| I/O Process Size | 10 nm |
| Uncore | 1600 MHz |
| Max. Memory | 1.13 TB |
| AVX-512 FMA Ports | 2 |