Key facts
Production status: Active
Release date: 2024-06-03
Cores / Threads: 144 / 144
Base clock: 1900 MHz
Turbo clock: 2700 MHz
TDP: -
Process: 5 nm
Codename: Sierra Forest
Generation: Xeon 6 (Sierra Forest-SP)
All available specs
| Field | Value |
|---|---|
| name | Xeon 6766E |
| Socket | Intel Socket 4710 |
| Foundry | Intel |
| Process Size | 5 nm |
| Die Size | 578 mm² |
| Package | FC-LGA18N |
| Market | Server/Workstation |
| Production Status | Active |
| Release Date | Jun 3rd, 2024 |
| Part# | SRPFW |
| Frequency | 1900 MHz |
| Turbo Clock | up to 2.7 GHz |
| Base Clock | 100 MHz |
| Multiplier | 19.0x |
| Multiplier Unlocked | No |
| Codename | Sierra Forest |
| Generation | Xeon 6 (Sierra Forest-SP) |
| Memory Support | DDR5 |
| ECC Memory | Yes |
| # of Cores | 144 |
| # of Threads | 144 |
| SMP # CPUs | 2 |
| Cache L1 | 96 KB (per core) |
| Cache L2 | 4 MB (per module) |
| Features | MMX, SSE, SSE2, SSE3, SSSE3, SSE4.2, AVX, AVX2, AVX-VNNI, FMA3, SHA, EIST, Intel 64, XD bit, VT-x, VT-d, AES-NI, TSX, TXT, CLMUL, F16C, BMI1, BMI2, ABM, ADX, RdRand, 5-level NPT, X2APIC, Intel DSA (2), QAT (2), DLB (2), IAA (2), Intel TDX, TME, SGX (512GB), TBT 2.0 |
| Notes | Crestmont cores are arranged in modules of 4 single-threaded cores each sharing 4 MB of L2 cache. L3 cache is globally shared. |
| Rated Speed | 6400 MT/s |
| Memory Bus | Eight-channel |
| Memory Bandwidth | 409.6 GB/s |
| tJMax | 101°C |
| Launch Price | $10,257 |
| PCI-Express | Gen 5, 88 Lanes (CPU only) |
| Cache L3 | 108 MB (shared) |
| tCaseMax | 84°C |
| I/O Process Size | 10 nm |
| Max. Memory | 1 TB |
| AVX-512 FMA Ports | 2 |
| I/O Die Size | 2x 241 mm² |
| CXL | Gen 2.0, 64 Lanes (Shared with PCI-E) |
| UPI Links | 4 x24 24 GT/s |