FAMILY BRANDING Diamond Rapids Clearwater Forest Granite Rapids Sierra Forest Emerald Rapids Sapphire Rapids Ice Lake-SP Cooper Lake-SP/AP Cascade Lake-SP/AP Skylake-SP
Process Node Intel 20A? Intel 18A Intel 3 Intel 3 Intel 7 Intel 7 10nm+ 14nm++ 14nm+ 14nm+
Platform Name Intel Mountain Stream Intel Mountain Stream Intel Mountain Stream Intel Mountain Stream Intel Eagle Stream Intel Eagle Stream Intel Whitley Intel Cedar Island Intel Purley Intel Purley
Intel Birch Stream Intel Birch Stream Intel Birch Stream Intel Birch Stream
Core Architecture Lion Cove? Darkmont Redwood Cove Sierra Glen Raptor Cove Golden Cove Sunny Cove Cascade Lake Cascade Lake Skylake
MCP (Multi-Chip Package) SKUs Yes TBD Yes Yes Yes Yes No No Yes No
Socket LGA 4677 / 7529 LGA 4677 / 7529 LGA 4677 / 7529 LGA 4677 / 7529 LGA 4677 LGA 4677 LGA 4189 LGA 4189 LGA 3647 LGA 3647
Max Core Count Up To 144? Up To 288 Up To 136? Up To 288 Up To 64? Up To 56 Up To 40 Up To 28 Up To 28 Up To 28
Max Thread Count Up To 288? Up To 288 Up To 272? Up To 288 Up To 128 Up To 112 Up To 80 Up To 56 Up To 56 Up To 56
Max L3 Cache TBD TBD 480 MB L3 108 MB L3 320 MB L3 105 MB L3 60 MB L3 38.5 MB L3 38.5 MB L3 38.5 MB L3
Memory Support Up To 12-Channel DDR6-7200? TBD Up To 12-Channel DDR5-6400 Up To 8-Channel DDR5-6400? Up To 8-Channel DDR5-5600 Up To 8-Channel DDR5-4800 Up To 8-Channel DDR4-3200 Up To 6-Channel DDR4-3200 DDR4-2933 6-Channel DDR4-2666 6-Channel
PCIe Gen Support PCIe 6.0 (128 Lanes)? TBD PCIe 5.0 (136 Lanes) PCIe 5.0 (TBD Lanes) PCIe 5.0 (80 Lanes) PCIe 5.0 (80 lanes) PCIe 4.0 (64 Lanes) PCIe 3.0 (48 Lanes) PCIe 3.0 (48 Lanes) PCIe 3.0 (48 Lanes)
TDP Range (PL1) Up To 500W? TBD Up To 500W Up To 350W Up To 350W Up To 350W 105-270W 150W-250W 165W-205W 140W-205W
3D Xpoint Optane DIMM Donahue Pass? TBD Donahue Pass TBD Crow Pass Crow Pass Barlow Pass Barlow Pass Apache Pass N/A
Competition AMD EPYC Venice AMD EPYC Zen 5C AMD EPYC Turin AMD EPYC Bergamo AMD EPYC Genoa ~5nm AMD EPYC Genoa ~5nm AMD EPYC Milan 7nm+ AMD EPYC Rome 7nm AMD EPYC Rome 7nm AMD EPYC Naples 14nm
Launch 2025? 2025 2024 2024 2023 2022 2021 2020 2018 2017

source：https://wccftech.com/intel-unveils-2023-2025-xeon-cpu-roadmap-emerald-rapids-in-2023-granite-rapids-sierra-forest-in-2024-clearwater-forest-in-2025/