Overview :
Launch Date: Released around November 2021 (Q4 2021)
Architecture: Alder Lake hybrid (Intel 7 / 10 nm Enhanced SuperFin), with 8 Performance‑cores (P‑cores) supporting Hyper‑Threading, and 8 Efficiency‑cores — total 16 cores / 24 threads
Clock Speeds:
P‑cores: ~3.2 GHz base, up to 5.2 GHz Turbo Boost
E‑cores: ~2.4 GHz base, up to ~3.9 GHz
Cache: ~30 MB shared L3 cache; L2 cache around 14 MB total (~1.25 MB per P‑core, cluster-level E‑core)
TDP & Power: PL1: 125 W; PL2 (turbo): up to ~241 W depending on board and cooling
Integrated GPU: Intel UHD Graphics 770 (~32 execution units, turbo up to ~1.55 GHz)
Memory & I/O: Supports DDR4‑3200 or DDR5‑4800, dual-channel, up to ~128 GB; PCIe 5.0 ×16 plus PCIe 4.0 ×4 lanes; compatible with socket LGA 1700
Typical Performance Benchmarks:
Geekbench 6: ~2,800 (SC) / ~17,300 (MC)
Cinebench R23: ~28,000–30,000 multi‑core
PassMark CPU Mark: ~41,400 (MC)
WARRANTY DETAILS:
| Purchase Type | Warranty Coverage |
|---|---|
| Boxed (retail) i9‑12900K | 3 years Intel limited warranty |
| OEM / Tray / Pre-built system CPU | Warranty handled by OEM/retailer |
| Extended Vmin‑Shift coverage | ❌ Not covered — only applies to 13th/14th Gen CPUs |
