CPU Comparison

Core i7-3840QM vs Core i7-3940XM

A side-by-side comparison of specs, performance and value. The Intel Core i7-3840QM (Socket G2 variant) is a premium mobile processor released in 2012, leveraging the Ivy Bridge architecture. Operating at 2.8 GHz with a turbo boost up to 3.8 GHz, it features 4 cores and 8 threads to handle demanding mobile workloads. This PGA version utilizes the Socket G2 (988B) interface, a departure from the soldered BGA counterpart, allowing for socketed installation in thicker, upgradeable gaming and workstation laptops. Built on a 22nm process, it packs 1.4 billion transistors into a 160 mm² die and maintains a 45W TDP. The processor includes 8MB of L3 cache to accelerate data retrieval. It is equipped with Intel HD Graphics 4000, offering DirectX 11 support and decent graphical fidelity for integrated graphics of its era. This model was highly favored by enthusiasts who preferred the ability to swap out CPUs, a feature becoming increasingly rare in modern laptops. It supports dual-channel DDR3 memory and PCIe 3.0, ensuring solid system responsiveness for 2012-era high-end mobile computing.