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 73.1 and the WorkForce Pro WF-7840 scores 73.1 on our Mars Score.
Which should you buy?
These two are evenly matched on the broad strokes; the decision sits on which individual spec advantages weigh more for your use.
The EcoTank ET-5850 does not 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 does not 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 do not 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 says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Epson - EcoTank ET-5850 or Epson - WorkForce Pro WF-7840?
The two products are effectively tied on the current Mars Score.The more useful decision is the trade-off behind that result: compare the highlighted specifications against the way you will actually use the product.
Choose Epson - EcoTank ET-5850 if…
Epson - EcoTank ET-5850 does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
Choose Epson - WorkForce Pro WF-7840 if…
Epson - WorkForce Pro WF-7840 does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
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 |