ASUS ROG Thor 1200P2 vs Corsair HX1200i
Efficiency, ATX compliance, 12V-2x6 support, Cybenetics rating, and 5-year total cost of ownership.
| Spec | ASUS ROG Thor 1200P2 | Corsair HX1200i |
|---|---|---|
| Wattage | 1200W | 1200W |
| Efficiency Tier | platinum | platinum |
| ATX Version | ATX 3.1 | ATX 3.1 |
| 12V-2x6 (RTX 5090 safe) | ✓ Yes | ✓ Yes |
| Modular | full | full |
| Cybenetics Rating | ETA-A+ | ETA-A+ |
| MSRP | $449 | $299 |
| Est. Annual Electricity Cost | $246/yr | $246/yr |
| 5-Year Total Cost (TCO) | $1679 | $1529 |
5-Year Total Cost of Ownership
Assuming 500W average draw, 8 hours/day gaming, and $0.15/kWh electricity:
Corsair HX1200i costs ~$1529 over 5 years (purchase + electricity), saving approximately $150 compared to ASUS ROG Thor 1200P2.
Note: ASUS ROG Thor 1200P2 has higher efficiency but higher upfront cost. The TCO crossover depends on your electricity rate and usage.
Frequently Asked Questions
Which is more efficient — ASUS ROG Thor 1200P2 or Corsair HX1200i?
ASUS ROG Thor 1200P2 is rated 80+ Platinum (~89% efficient), making it more efficient than Corsair HX1200i (80+ Platinum (~89% efficient)). Higher efficiency means less electricity waste as heat, lower operating costs, and better thermal performance.
Can ASUS ROG Thor 1200P2 run an RTX 5090?
ASUS ROG Thor 1200P2 includes a native 12V-2x6 cable and supports ATX 3.1 — it is compatible with the RTX 5090, provided the wattage (1200W) is sufficient for your full build.
Which has lower long-term cost?
At $0.15/kWh and 8 hours/day, Corsair HX1200i costs ~$1529 total over 5 years (purchase + electricity) vs ~$1679 for ASUS ROG Thor 1200P2 — a difference of ~$150.