The ASUS ROG Loki SFX-L 1000W Platinum and the Thermaltake Toughpower GF A3 850W are tied in this objective comparison, as each unit secures two category wins with three remaining specifications identical. The most significant differentiator for the ASUS ROG Loki SFX-L 1000W Platinum is its efficiency, which is 25% better than the competitor. Conversely, the Thermaltake Toughpower GF A3 850W holds a substantial lead in affordability, boasting an MSRP that is 57% better than the alternative.

Users prioritizing power efficiency should select the ASUS ROG Loki SFX-L 1000W Platinum for their build. This unit is the superior choice for those who value higher energy performance. Alternatively, budget-conscious builders should opt for the Thermaltake Toughpower GF A3 850W. Because the two power supplies share several identical specifications, the decision rests entirely on whether the user prefers the efficiency gains of the ASUS model or the significant cost savings offered by the Thermaltake unit.