The Seagate Barracuda 2TB and the Seagate Barracuda 4TB are tied in an objective comparison, as each drive leads in one specific category while matching in three others. The Seagate Barracuda 2TB holds a significant advantage in MSRP, which is 31% better than its counterpart. Conversely, the Seagate Barracuda 4TB provides a substantial benefit in storage capacity, offering a 100% increase over the smaller model.

Users prioritizing budget efficiency should select the Seagate Barracuda 2TB to take advantage of its superior MSRP. Those who require maximum storage space for their files should choose the Seagate Barracuda 4TB, as it doubles the capacity available on the 2TB version. Both drives offer identical performance in the remaining three measured categories, making the final decision dependent entirely on whether the buyer values lower cost or higher storage volume.