EcoFlow
EcoFlow Delta Pro 3
Portable power station · 2024
92
/ 100
From $3,699
VS
Corsair
Corsair RM1000x Shift
1000 W · 80+ Gold · ATX 3.1
92
/ 100
From $229
Specdex verdict
Dead heat — it comes down to priorities.
In our weighted Specdex score, EcoFlow Delta Pro 3 lands at 92 and Corsair RM1000x Shift at 92. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick EcoFlow Delta Pro 3 if…
- ✓LiFePO4 chemistry on modern SKUs (4000+ cycles)
- ✓Solar input
- ✓Multiple AC/DC/USB-C outputs
Pick Corsair RM1000x Shift if…
- ✓ATX 3.1 + 12V-2x6
- ✓Side-mounted cables
- ✓Quiet zero-RPM
EcoFlow Delta Pro 3 92
vs 92 Corsair RM1000x Shift
Score breakdown
EcoFlow Delta Pro 3
92 efficiency 87
noise 86
cables 90
value 80
Corsair RM1000x Shift
92 efficiency 90
noise 94
cables 96
value 88
Specs side-by-side
| Spec | EcoFlow Delta Pro 3 | Corsair RM1000x Shift |
|---|---|---|
| Type | Portable power station | — |
| Release year | 2024 | — |
| Wattage | — | 1000 W |
| Efficiency | — | 80+ Gold |
| Standard | — | ATX 3.1 |
| Connectors | — | 1× 12V-2x6 (600W) |
| Fan | — | 135 mm FDB |
EcoFlow Delta Pro 3
Pros
- +LiFePO4 chemistry on modern SKUs (4000+ cycles)
- +Solar input
- +Multiple AC/DC/USB-C outputs
Cons
- −Heavy
- −Pricey per Wh
- −Shipping restrictions (Li-ion)
Corsair RM1000x Shift
Pros
- +ATX 3.1 + 12V-2x6
- +Side-mounted cables
- +Quiet zero-RPM
Cons
- −Bulky side depth
- −Price creep
- −Gold not Platinum
FAQ: EcoFlow Delta Pro 3 vs Corsair RM1000x Shift
Which is better, EcoFlow Delta Pro 3 or Corsair RM1000x Shift? +
Both score 92 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is EcoFlow Delta Pro 3 worth the price? +
At $3,699, EcoFlow Delta Pro 3 delivers a Specdex score of 92 — strongest in cables.
Is Corsair RM1000x Shift worth the price? +
At $229, Corsair RM1000x Shift delivers a Specdex score of 92 — strongest in cables.
Does EcoFlow Delta Pro 3 or Corsair RM1000x Shift 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.