Key facts
Production status: Active
Release date: 2025-02-24
Cores / Threads: 80 / 160
Base clock: 2000 MHz
Turbo clock: 3800 MHz
TDP: -
Process: 5 nm
Codename: Granite Rapids
Generation: Xeon 6 (Granite Rapids-SP)
All available specs
| Field | Value |
|---|---|
| name | Xeon 6781P |
| Socket | Intel Socket 4710 |
| Foundry | Intel |
| Process Size | 5 nm |
| Die Size | 2x 598 mm² |
| Package | FC-LGA18N |
| Market | Server/Workstation |
| Production Status | Active |
| Release Date | Feb 24th, 2025 |
| Part# | SRV5J |
| Frequency | 2000 MHz |
| Turbo Clock | up to 3.8 GHz |
| Base Clock | 100 MHz |
| Multiplier | 20.0x |
| Multiplier Unlocked | No |
| Codename | Granite Rapids |
| Generation | Xeon 6 (Granite Rapids-SP) |
| Memory Support | DDR5 |
| ECC Memory | Yes |
| # of Cores | 80 |
| # of Threads | 160 |
| SMP # CPUs | 1 |
| 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, EIST, Speed Shift, 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 (3), QAT (3), DLB (3), IAA (3), TDX, TME, SGX (128GB), RDT, VROC, QuickAssist, DLBoost 3.0, Speed Select, TBT 2.0 |
| Notes | CXL 2.0 supports Type 3 devices which can provide significant increases to system attached DRAM capacity.Speed Select Technology - Performance Profiles:6781P (0) - 80 Active Cores @ 2.0 GHz 350 W6781P (1) - 80 Active Cores @ 2.1 GHz 350 W6781P (2) - 80 Active Cores @ 2.5 GHz 350 W |
| Rated Speed | 6400 MT/s |
| Memory Bus | Eight-channel |
| Memory Bandwidth | 409.6 GB/s |
| tJMax | 97°C |
| Launch Price | $8,960 |
| PCI-Express | Gen 5, 136 Lanes (CPU only) |
| Cache L3 | 336 MB (shared) |
| tCaseMax | 81°C |
| All Core Turbo | 3.2 GHz |
| I/O Process Size | 10 nm |
| Max. Memory | 4 TB |
| AVX-512 FMA Ports | 2 |
| I/O Die Size | 2x 241 mm² |
| 2 DPC RAM Speed | 5200 MT/s |
| CXL | Gen 2.0, 64 Lanes (Shared with PCI-E) |
| Low Priority Core Freq. | 1.6 GHz |
| High Priority Cores | 30 |
| Low Priority Cores | 50 |
| MCR DIMM Speed | 8000 MT/s |
| High Priority Core Freq. | 2.2 GHz |