Xeon E5-1620 vs Core i3-1115G4

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

The Xeon E5-1620 uses the LGA2011 socket (PCIe 2.0), while the Core i3-1115G4 uses FCBGA1449 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1600 on the Xeon E5-1620 versus DDR4-3200 on the Core i3-1115G4 — 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: 4 (Xeon E5-1620) vs 2 (Core i3-1115G4). PCIe lanes: 40 (Xeon E5-1620) vs 4 (Core i3-1115G4) — 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: true (Xeon E5-1620) vs VT-x, VT-d, EPT (Core i3-1115G4). 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.