Core i9-11900T vs Core i5-1350P

The Core i9-11900T packs 8 cores / 16 threads, while the Core i5-1350P offers 12 cores / 16 threads — the Core i5-1350P has 4 more cores. Boost clocks reach 4.9 GHz on the Core i9-11900T versus 4.7 GHz on the Core i5-1350P — a 4.2% clock advantage for the Core i9-11900T (base: 1.5 GHz vs 1.9 GHz). The Core i9-11900T uses the Rocket Lake (2021) architecture (14 nm), while the Core i5-1350P uses Raptor Lake-P (2023) (Intel 7 nm). In PassMark, the Core i9-11900T scores 18,620 against the Core i5-1350P's 18,781 — a 0.9% lead for the Core i5-1350P. Geekbench 6 single-core — the metric most relevant to gaming — records 2,100 vs 2,400, a 13.3% lead for the Core i5-1350P that directly translates to higher frame rates. Multi-core Geekbench: 9,200 vs 10,000 (8.3% advantage for the Core i5-1350P). L3 cache: 16 MB (total) on the Core i9-11900T vs 18 MB (total) on the Core i5-1350P.

The Core i9-11900T uses the LGA1200 socket (PCIe 3.0), while the Core i5-1350P uses FCBGA1744 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Core i9-11900T versus DDR5-5200 on the Core i5-1350P — the Core i5-1350P supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i9-11900T supports up to 128 GB of RAM compared to 96 GB — 28.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i9-11900T) vs 28 (Core i5-1350P) — the Core i5-1350P offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H510,B560,H570,Z590 (Core i9-11900T) and Raptor Lake-P (Core i5-1350P).

Neither processor supports overclocking. Only the Core i9-11900T supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Both include integrated graphics — Intel UHD Graphics 750 (Core i9-11900T) and Iris Xe Graphics (80EU) (Core i5-1350P) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i9-11900T targets Low Power High Perf Desktop, Core i5-1350P targets Gaming. Direct competitor: Core i5-1350P rivals Ryzen 7 6800U.

The Core i9-11900T launched at $439 MSRP, while the Core i5-1350P debuted at $320. At current prices ($413 vs $250), the Core i5-1350P is $163 cheaper. In terms of value (PassMark points per dollar), the Core i9-11900T delivers 45.1 pts/$ vs 75.1 pts/$ for the Core i5-1350P — making the Core i5-1350P the 50% better value option.