Core i5-3340M vs Celeron G4950

The Core i5-3340M packs 2 cores / 4 threads, matching the Celeron G4950's 2 cores. Boost clocks reach 3.4 GHz on the Core i5-3340M versus 3.3 GHz on the Celeron G4950 — a 3% clock advantage for the Core i5-3340M (base: 2.7 GHz vs 3.3 GHz). The Core i5-3340M uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Celeron G4950 uses Coffee Lake (2017−2019) (14 nm). In PassMark, the Core i5-3340M scores 2,692 against the Celeron G4950's 2,714 — a 0.8% lead for the Celeron G4950. L3 cache: 3 MB (total) on the Core i5-3340M vs 2 MB on the Celeron G4950.

The Core i5-3340M uses the PGA988 socket (PCIe 3.0), while the Celeron G4950 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3/L/-RS 1333/1600 on the Core i5-3340M versus DDR4-2400 on the Celeron G4950 — the Celeron G4950 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G4950 supports up to 64 GB of RAM compared to 32 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: HM77,QM77,QS77 (Core i5-3340M) and H310,B360,B365,H370,Z370,Z390 (Celeron G4950).

Neither processor supports overclocking. Virtualization support: VT-x / VT-d / EPT (Core i5-3340M) vs VT-x (Celeron G4950). Both include integrated graphics — Intel HD Graphics 4000 (Core i5-3340M) and UHD Graphics 610 (Celeron G4950) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-3340M targets Professional Laptop, Celeron G4950 targets Budget. Direct competitor: Core i5-3340M rivals AMD A10-4600M; Celeron G4950 rivals Pentium G5420.