Between the EcoTank ET-2850 and BM5100ADW, the EcoTank ET-2850 comes out ahead in color and pages/min (color), while the BM5100ADW wins on pages/min (mono) and adf. Overall, the EcoTank ET-2850 scores 43.5 and the BM5100ADW scores 75.8 on our Mars Score.
Which should you buy?
The BM5100ADW is the clear pick on raw spec strength, leading by 32.3 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the EcoTank ET-2850 if you care most about color and pages/min (color). The biggest gaps in its favor are color, pages/min (color).
Pick the BM5100ADW if you care most about pages/min (mono) and adf. Its strongest claims are pages/min (mono), adf.
Both ship with comparable auto duplex, airprint, so those specs don't separate the two — focus on the differences below.
Bottom line: the BM5100ADW is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Epson - EcoTank ET-2850 wins
- ▲Has Color.
- ▲Pages/min (color): 5 vs 0.
Why Pantum - BM5100ADW wins
- ▲Pages/min (mono) — 280.95% more. 40 vs 10.5.
- ▲Has ADF.
Spec comparison
Spec
| Spec | Epson - EcoTank ET-2850 | Pantum - BM5100ADW |
|---|---|---|
| Type | Inkjet AIO | Laser AIO |
| Color | truelead | false |
| Pages/min (mono) | 10.5 | 40lead |
| Pages/min (color) | 5lead | 0 |
| Resolution | 5760x1440 dpi | 1200x1200 dpi |
| Max paper size | Letter | Letter |
Features
| Spec | Epson - EcoTank ET-2850 | Pantum - BM5100ADW |
|---|---|---|
| Auto duplex | true | true |
| ADF | false | truelead |
| Wi-Fi | true | true |
| AirPrint | true | true |
Spec-level deep dives
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