The ASUS ROG STRIX 1000G and the Thermaltake Toughpower GF3 850W result in an objective tie across the evaluated specifications. While both power supplies share identical performance in five categories, they diverge significantly in connectivity options. The ASUS ROG STRIX 1000G holds the most impactful advantage with its PCIe connectors, which offer a 100% improvement over the alternative, providing greater flexibility for high-end graphics configurations that require multiple power inputs.

Choose the ASUS ROG STRIX 1000G if your build requires extensive PCIe connectivity for demanding hardware setups. Conversely, select the Thermaltake Toughpower GF3 850W if your system relies on a high volume of storage drives or peripherals, as it provides a 50% advantage in SATA connectors. Both units offer equivalent performance in the remaining metrics, so your final decision should depend entirely on whether your specific build prioritizes graphics power or peripheral expansion.