Seasonic PRIME TX-1300
1300W · 80+ Titanium · 12VHPWR
EcoFlow Delta Pro 3
Portable power station · 2024
Seasonic PRIME TX-1300 takes it — here’s why.
In our weighted Specdex score, Seasonic PRIME TX-1300 lands at 93 and EcoFlow Delta Pro 3 at 92. That puts Seasonic PRIME TX-1300 ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Seasonic PRIME TX-1300 if…
- ✓80+ Titanium efficiency
- ✓12-year warranty
- ✓Pure-DC fan profile
Pick EcoFlow Delta Pro 3 if…
- ✓LiFePO4 chemistry on modern SKUs (4000+ cycles)
- ✓Solar input
- ✓Multiple AC/DC/USB-C outputs
Winner by scenario
Derived from the sub-score breakdown · not a separate testEfficiency
Seasonic PRIME TX-1300Compared on the efficiency sub-score
Seasonic PRIME TX-1300 leads on efficiency (100 vs 87).
Value for money
Seasonic PRIME TX-1300Specdex score per dollar at MSRP
Seasonic PRIME TX-1300 more score per dollar ($359 vs $3,699).
Score breakdown
Specs side-by-side
| Spec | Seasonic PRIME TX-1300 | EcoFlow Delta Pro 3 |
|---|---|---|
| Wattage | 1300W | — |
| Efficiency | 80+ Titanium | — |
| Cooling | 135 mm fluid-dynamic-bearing fan | — |
| Modular | Fully modular | — |
| 12VHPWR | Native cable included | — |
| Warranty | 12 years | — |
| Type | — | Portable power station |
| Release year | — | 2024 |
Seasonic PRIME TX-1300
- +80+ Titanium efficiency
- +12-year warranty
- +Pure-DC fan profile
- −Premium pricing
- −Heavier than Gold-rated equivalents
- −Cables stiff
EcoFlow Delta Pro 3
- +LiFePO4 chemistry on modern SKUs (4000+ cycles)
- +Solar input
- +Multiple AC/DC/USB-C outputs
- −Heavy
- −Pricey per Wh
- −Shipping restrictions (Li-ion)
FAQ: Seasonic PRIME TX-1300 vs EcoFlow Delta Pro 3
Which is better, Seasonic PRIME TX-1300 or EcoFlow Delta Pro 3? +
Seasonic PRIME TX-1300 scores 93 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.
Is Seasonic PRIME TX-1300 worth the price? +
At $359, Seasonic PRIME TX-1300 delivers a Specdex score of 93 — strongest in efficiency.
Is EcoFlow Delta Pro 3 worth the price? +
At $3,699, EcoFlow Delta Pro 3 delivers a Specdex score of 92 — strongest in cables.
Does Seasonic PRIME TX-1300 or EcoFlow Delta Pro 3 last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.
Which is better for efficiency, Seasonic PRIME TX-1300 or EcoFlow Delta Pro 3? +
Seasonic PRIME TX-1300 — leads on efficiency (100 vs 87). Compared on the efficiency sub-score.
Which is the better value, Seasonic PRIME TX-1300 or EcoFlow Delta Pro 3? +
Seasonic PRIME TX-1300 — more score per dollar ($359 vs $3,699). Specdex score per dollar at MSRP.