YETI Tundra 45 outperforms on ice retention by 1-2 days in side-by-side tests from RTINGS and outperforms RTIC on build quality per Consumer Reports durability ratings. RTIC 45 Hard Cooler closes the gap on value with a lower price while matching capacity and basic rotomolded construction. The Tundra wins for serious users who need maximum performance; the RTIC suits occasional use where cost m...