Epson - EcoTank ET-5850 vs Epson - WorkForce Pro WF-7840
Between the EcoTank ET-5850 and WorkForce Pro WF-7840, the EcoTank ET-5850 comes out ahead in several specs, while the WorkForce Pro WF-7840 wins on several specs. Overall, the EcoTank ET-5850 scores 60.4 and the WorkForce Pro WF-7840 scores 60.4 on our Mars Score.
Which should you buy?
These two are evenly matched on the broad strokes, with the decision sitting on which individual spec advantages weigh more for your use.
The EcoTank ET-5850 doesn't pull ahead on any single popular-comparison spec — its strengths sit in the spec table groups rather than the headline advantages.
The WorkForce Pro WF-7840 similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable type, color, pages/min (mono), so those specs don't separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.
Why Epson - EcoTank ET-5850 wins
- No decisive advantages.
Why Epson - WorkForce Pro WF-7840 wins
- No decisive advantages.
Spec comparison
Spec
| Spec | Epson - EcoTank ET-5850 | Epson - WorkForce Pro WF-7840 |
|---|---|---|
| Type | Inkjet AIO | Inkjet AIO |
| Color | true | true |
| Pages/min (mono) | 25 | 25 |
| Pages/min (color) | 12 | 12 |
| Resolution | 4800x1200 dpi | 4800x2400 dpi |
| Max paper size | Letter | Tabloidlead |
Features
| Spec | Epson - EcoTank ET-5850 | Epson - WorkForce Pro WF-7840 |
|---|---|---|
| Auto duplex | true | true |
| ADF | true | true |
| Wi-Fi | true | true |
| AirPrint | true | true |
Frequently asked
Spec-level deep dives
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