Core i5-3339Y vs Core i5-4302Y

Both the Core i5-3339Y and Core i5-4302Y share an identical 2-core/4-thread configuration. Boost clocks reach 2 GHz on the Core i5-3339Y versus 2.3 GHz on the Core i5-4302Y — a 14% clock advantage for the Core i5-4302Y (base: 1.5 GHz vs 1.6 GHz). The Core i5-3339Y uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Core i5-4302Y uses Haswell (2013−2015) (22 nm). In PassMark, the Core i5-3339Y scores 1,589 against the Core i5-4302Y's 1,580 — a 0.6% lead for the Core i5-3339Y. Geekbench 6 single-core — the metric most relevant to gaming — records 368 vs 676, a 59% lead for the Core i5-4302Y that directly translates to higher frame rates. Multi-core Geekbench: 707 vs 1,086 (42.3% advantage for the Core i5-4302Y). L3 cache: 3 MB (total) on the Core i5-3339Y vs 3 MB on the Core i5-4302Y.

The Core i5-3339Y uses the BGA1023 socket (PCIe 3.0), while the Core i5-4302Y uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1600 on the Core i5-3339Y versus DDR3L-1600 / LPDDR3-1600 on the Core i5-4302Y — the Core i5-3339Y supports 199.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-3339Y supports up to 32 of RAM compared to 16 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i5-3339Y) vs 12 (Core i5-4302Y) — the Core i5-3339Y offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM76,UM77,QM77,QS77 (Core i5-3339Y) and HM86,HM87 (Core i5-4302Y).

Neither processor supports overclocking. Virtualization support: true (Core i5-3339Y) vs VT-x / VT-d / EPT (Core i5-4302Y). Both include integrated graphics — Intel HD Graphics 4000 (Core i5-3339Y) and Intel HD Graphics 4200 (Core i5-4302Y) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-4302Y targets Productivity. Direct competitor: Core i5-3339Y rivals AMD A8-4555M.