Key facts
Production status: Active
Release date: 2023-12-14
Cores / Threads: 48 / 96
Base clock: 2000 MHz
Turbo clock: 4000 MHz
TDP: -
Process: 10 nm
Codename: Emerald Rapids
Generation: Xeon Platinum (Emerald Rapids-SP)
All available specs
| Field | Value |
|---|---|
| name | Xeon Platinum 8558U |
| Socket | Intel Socket 4677 |
| Foundry | Intel |
| Process Size | 10 nm |
| Die Size | 2x 763 mm² |
| Package | FC-LGA16A |
| Market | Server/Workstation |
| Production Status | Active |
| Release Date | Dec 14th, 2023 |
| Part# | SRN5B |
| Frequency | 2000 MHz |
| Turbo Clock | up to 4 GHz |
| Base Clock | 100 MHz |
| Multiplier | 20.0x |
| Multiplier Unlocked | No |
| Codename | Emerald Rapids |
| Generation | Xeon Platinum (Emerald Rapids-SP) |
| Memory Support | DDR5 |
| ECC Memory | Yes |
| # of Cores | 48 |
| # of Threads | 96 |
| SMP # CPUs | 1 |
| Cache L1 | 80 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, Intel 64, XD bit, VT-x, VT-d, AES-NI, TSX, TXT, CLMUL, F16C, BMI1, BMI2, ABM, ADX, AMX, RdRand, 5-level NPT, X2APIC, Intel DSA, IAA, DLBoost 2.0, Intel SGX, vPro, TBT 2.0, Speed Select |
| Notes | Speed Select Technology - Performance Profiles:8558U (0) - 48 Active Cores @ 2.0GHz 300 W8558U (1) - 40 Active Cores @ 2.0GHz 270 W8558U (2) - 32 Active Cores @ 2.1GHz 250 W |
| Rated Speed | 4800 MT/s |
| Memory Bus | Eight-channel |
| Memory Bandwidth | 307.2 GB/s |
| tJMax | 95°C |
| Launch Price | $3,720 |
| PCI-Express | Gen 5, 80 Lanes (CPU only) |
| Cache L3 | 260 MB (shared) |
| tCaseMax | 78°C |
| Chipset | C741 |
| All Core Turbo | 2.9 GHz |
| AVX-512 FMA Ports | 2 |
| Low Priority Core Freq. | 1.8 GHz |
| High Priority Cores | 16 |
| Low Priority Cores | 32 |
| High Priority Core Freq. | 2.2 GHz |