Rosewill VSB 650W 80+ Bronze, ATX 3.0 & 3.1 vs Thermaltake Toughpower GX2 80+ Gold 600W
Updated August 2026 — Rosewill VSB 650W 80+ Bronze, ATX 3.0 & 3.1 wins on modularity and compatibility, Thermaltake Toughpower GX2 80+ Gold 600W wins on efficiency and cooling.
The Rosewill VSB 650W offers higher wattage and a lower price, while the Thermaltake Toughpower GX2 provides better efficiency and build quality.
Why Rosewill VSB 650W 80+ Bronze, ATX 3.0 & 3.1 is better
Price
Rosewill is $10 cheaper
Wattage
Rosewill has 650W vs 600W
Compact Size
Rosewill is 35% smaller
Why Thermaltake Toughpower GX2 80+ Gold 600W is better
Efficiency
Thermaltake has 80+ Gold certification
Build Quality
Thermaltake uses high-quality capacitors
Cooling
Thermaltake has superior cooling performance
Overall score
Specifications
| Spec | Rosewill VSB 650W 80+ Bronze, ATX 3.0 & 3.1 | Thermaltake Toughpower GX2 80+ Gold 600W |
|---|---|---|
| Certification | 80+ Bronze | 80+ Gold |
| Modularity | Semi-Modular | Non-Modular |
| Fan Type | ICB Silent | Dynamic Bearing |
| Capacitors | Japanese | High Quality |
| Protection | Six Protections | Industry Grade |
Dimension comparison
Price Comparison
The Rosewill VSB 650W 80+ Bronze is priced at $49.98, making it about 17% cheaper than the Thermaltake Toughpower GX2 80+ Gold, which retails for $59.99. This price difference could be significant for budget-conscious consumers who want reliable power supplies without breaking the bank. While the Rosewill offers an attractive price point, the Thermaltake, although pricier, comes with a Gold certification that often translates into higher efficiency and potentially lower electricity costs over time.
Power Output
The Rosewill VSB provides a total output of 650W, which is 50W more than the Thermaltake Toughpower GX2's 600W. This additional wattage can be critical for users who plan to run power-hungry components, making the Rosewill a better option for high-performance gaming rigs or workstations. The extra power capacity of the Rosewill also allows for greater flexibility when upgrading components in the future.
Efficiency Ratings
The Rosewill boasts an 80+ Bronze certification, while the Thermaltake holds a superior 80+ Gold rating. The Gold certification signifies that the Thermaltake operates at an efficiency of up to 90%, compared to the Bronze's maximum of around 85%. This higher efficiency can lead to reduced energy costs over time, making the Thermaltake a compelling choice for environmentally conscious consumers or those concerned about long-term energy bills.
Build Quality and Reliability
Both power supplies are backed by a 5-year warranty, indicating a commitment to reliability from both brands. The Rosewill features Japanese capacitors rated for high temperatures up to 105°C (221°F), enhancing its durability under load. In contrast, the Thermaltake is equipped with high-quality capacitors that also ensure reliability but lacks the specific high-temperature rating. While both units are designed for stable performance, the Rosewill's robust build may offer an edge in extreme conditions.
Cooling Solutions
Cooling systems are crucial in maintaining the longevity of power supplies. The Rosewill VSB is equipped with a 120mm ICB silent fan, designed to enhance cooling performance efficiently. On the other hand, the Thermaltake Toughpower GX2 also features a 120mm dynamic bearing fan, which is known for its superior cooling and silent operation. While both fans aim for silent operation, the specifics of the Rosewill's ICB technology may provide a slight advantage in cooling efficiency, especially in compact builds.
Connector Options
In terms of connector options, the Rosewill VSB is semi-modular and includes a native PCIe 5.1 cable that supports new graphics cards, delivering up to 450W directly. This can be particularly beneficial for modern gaming setups requiring more power. Conversely, the Thermaltake Toughpower GX2 is non-modular and provides a variety of connectors, including multiple PCI-E connections. While it is versatile, the lack of modularity can lead to cable clutter, which might be a drawback for those who value a clean build.
Size and Compatibility
Both power supplies are designed to fit in standard ATX cases, but the Rosewill VSB has a more compact build, measuring 140×150×86mm, which is 35% smaller than typical models. This smaller size can be advantageous for users with limited space or those building small form-factor systems. The Thermaltake, while slightly larger, still maintains compatibility with most cases but may not fit as comfortably in tighter spaces.
Which should you buy?
Choosing between the Rosewill VSB 650W 80+ Bronze and the Thermaltake Toughpower GX2 80+ Gold ultimately depends on your specific needs. If you prioritize cost-effectiveness and require higher wattage for demanding setups, the Rosewill is the better choice at $49.98. However, if efficiency and reliability are your main concerns, the Thermaltake, despite being $10 more expensive, offers a Gold certification and high-quality build that could save you money in the long run. Both units come with a 5-year warranty, ensuring a level of assurance in their reliability.

