Seasonic Focus GX-850
850 W · Gold
EcoFlow Delta 2
Portable power station · 2022
Dead heat — it comes down to priorities.
In our weighted Specdex score, Seasonic Focus GX-850 lands at 88 and EcoFlow Delta 2 at 88. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Seasonic Focus GX-850 if…
- ✓Modular cabling on most
- ✓ATX 3.1 / 12V-2x6 support
- ✓10-year warranty on many
Pick EcoFlow Delta 2 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 testCables
EcoFlow Delta 2Compared on the cables sub-score
EcoFlow Delta 2 leads on cables (90 vs 86).
Noise
TieCompared on the noise sub-score
Effectively tied — neither pulls a 2-point weighted lead.
Efficiency
Seasonic Focus GX-850Compared on the efficiency sub-score
Seasonic Focus GX-850 leads on efficiency (88 vs 83).
Value for money
Seasonic Focus GX-850Specdex score per dollar at MSRP
Seasonic Focus GX-850 more score per dollar ($149 vs $999).
Score breakdown
Specs side-by-side
| Spec | Seasonic Focus GX-850 | EcoFlow Delta 2 |
|---|---|---|
| Wattage | 850 W | — |
| Efficiency | Gold | — |
| Type | — | Portable power station |
| Release year | — | 2022 |
Seasonic Focus GX-850
- +Modular cabling on most
- +ATX 3.1 / 12V-2x6 support
- +10-year warranty on many
- −Bulky on higher wattages
- −Fan noise varies by load
- −Cable length may not fit some cases
EcoFlow Delta 2
- +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 Focus GX-850 vs EcoFlow Delta 2
Which is better, Seasonic Focus GX-850 or EcoFlow Delta 2? +
Both score 88 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is Seasonic Focus GX-850 worth the price? +
At $149, Seasonic Focus GX-850 delivers a Specdex score of 88 — strongest in efficiency.
Is EcoFlow Delta 2 worth the price? +
At $999, EcoFlow Delta 2 delivers a Specdex score of 88 — strongest in cables.
Does Seasonic Focus GX-850 or EcoFlow Delta 2 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 cables, Seasonic Focus GX-850 or EcoFlow Delta 2? +
EcoFlow Delta 2 — leads on cables (90 vs 86). Compared on the cables sub-score.
Which is better for efficiency, Seasonic Focus GX-850 or EcoFlow Delta 2? +
Seasonic Focus GX-850 — leads on efficiency (88 vs 83). Compared on the efficiency sub-score.