Core i3-1115G4 vs Xeon E5-1620

The Core i3-1115G4 packs 2 cores / 4 threads, while the Xeon E5-1620 offers 4 cores / 8 threads — the Xeon E5-1620 has 2 more cores. Boost clocks reach 4.1 GHz on the Core i3-1115G4 versus 3.8 GHz on the Xeon E5-1620 — a 7.6% clock advantage for the Core i3-1115G4 (base: 2.2 GHz vs 3.6 GHz). The Core i3-1115G4 uses the Tiger Lake-UP3 (2020−2021) architecture (10 nm SuperFin), while the Xeon E5-1620 uses Sandy Bridge-E (2011−2013) (32 nm). In PassMark, the Core i3-1115G4 scores 5,860 against the Xeon E5-1620's 5,848 — a 0.2% lead for the Core i3-1115G4. Geekbench 6 single-core — the metric most relevant to gaming — records 1,579 vs 612, a 88.3% lead for the Core i3-1115G4 that directly translates to higher frame rates. L3 cache: 6 MB (total) on the Core i3-1115G4 vs 10240 kB (total) on the Xeon E5-1620.

The Core i3-1115G4 uses the FCBGA1449 socket (PCIe 4.0), while the Xeon E5-1620 uses LGA2011 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Core i3-1115G4 versus DDR3-1600 on the Xeon E5-1620 — the Core i3-1115G4 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon E5-1620 supports up to 375 GB of RAM compared to 64 GB — 141.7% more capacity for professional workloads. Memory channels: 2 (Core i3-1115G4) vs 4 (Xeon E5-1620). PCIe lanes: 4 (Core i3-1115G4) vs 40 (Xeon E5-1620) — the Xeon E5-1620 offers 36 more lanes for additional GPUs or NVMe drives.

Only the Core i3-1115G4 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, EPT (Core i3-1115G4) vs true (Xeon E5-1620). The Core i3-1115G4 includes integrated graphics (UHD Graphics for 11th Gen (48 EU)), while the Xeon E5-1620 requires a dedicated GPU. Primary use case: Core i3-1115G4 targets Mainstream Laptop. Direct competitor: Core i3-1115G4 rivals Ryzen 3 5300U.