Core i5-4440 vs Core i5-6500T

Both the Core i5-4440 and Core i5-6500T share an identical 4-core/4-thread configuration. Boost clocks reach 3.3 GHz on the Core i5-4440 versus 3.1 GHz on the Core i5-6500T — a 6.2% clock advantage for the Core i5-4440 (base: 3.1 GHz vs 2.5 GHz). The Core i5-4440 uses the Haswell (2013−2015) architecture (22 nm), while the Core i5-6500T uses Skylake (2015−2016) (14 nm). In PassMark, the Core i5-4440 scores 4,788 against the Core i5-6500T's 4,764 — a 0.5% lead for the Core i5-4440. Both processors carry 6 MB (total) of L3 cache.

The Core i5-4440 uses the LGA1150 socket (PCIe 3.0), while the Core i5-6500T uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1600 on the Core i5-4440 versus DDR4-2133 on the Core i5-6500T — the Core i5-6500T supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-6500T 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.

Neither processor supports overclocking. Virtualization support: VT-x, VT-d, EPT (Core i5-4440) vs VT-x, VT-d (Core i5-6500T). Both include integrated graphics — HD Graphics 4600 (Core i5-4440) and HD Graphics 530 (Core i5-6500T) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-4440 targets Budget, Core i5-6500T targets Desktop. Direct competitor: Core i5-4440 rivals Ryzen 3 1200.

The Core i5-4440 launched at $184 MSRP, while the Core i5-6500T debuted at $117. At current prices ($101 vs $35), the Core i5-6500T is $66 cheaper. In terms of value (PassMark points per dollar), the Core i5-4440 delivers 47.4 pts/$ vs 136.1 pts/$ for the Core i5-6500T — making the Core i5-6500T the 96.7% better value option.