Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Canon - imageCLASS MF656Cdw | Canon - MAXIFY GX7020 |
|---|---|---|
| Pages/min (color) | 23 | 15 |
| Pages/min (mono) | 23 | 24 |
Between the imageCLASS MF656Cdw and MAXIFY GX7020, the imageCLASS MF656Cdw comes out ahead in pages/min (color), while the MAXIFY GX7020 wins on pages/min (mono). Overall, the imageCLASS MF656Cdw scores 71.8 and the MAXIFY GX7020 scores 72.5 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (71.8 vs 72.5). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the imageCLASS MF656Cdw if you care most about pages/min (color). The biggest gaps in its favor are pages/min (color). The single most decisive one: Pages/min (color) — 53.33% more. 23 vs 15.
Pick the MAXIFY GX7020 if you care most about pages/min (mono). Its strongest claims are pages/min (mono). The single most decisive one: Pages/min (mono) — 4.35% more. 24 vs 23.
Both ship with comparable color, auto duplex, adf, 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: Canon - imageCLASS MF656Cdw or Canon - MAXIFY GX7020?
Canon - MAXIFY GX7020 leads the current Mars Score by 0.7 points.The more useful decision is the trade-off behind that result: compare pages/min (mono), pages/min (color) against the way you will actually use the product.
Choose Canon - imageCLASS MF656Cdw if…
Canon - imageCLASS MF656Cdw has the measurable edge on ppm color.
Choose Canon - MAXIFY GX7020 if…
Canon - MAXIFY GX7020 has the measurable edge on ppm mono.
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 Canon - imageCLASS MF656Cdw wins
- ▲Pages/min (color) — 53.33% more. 23 vs 15.
Why Canon - MAXIFY GX7020 wins
- ▲Pages/min (mono) — 4.35% more. 24 vs 23.
Spec comparison
Spec
| Spec | Canon - imageCLASS MF656Cdw | Canon - MAXIFY GX7020 |
|---|---|---|
| Type | Laser AIO (color) | Inkjet AIO (MegaTank) |
| Color | true | true |
| Pages/min (mono) | 23 | 24lead |
| Pages/min (color) | 23lead | 15 |
| Resolution | 1200x1200 dpi | 1200x600 dpi |
| Max paper size | Letter | Letter |
Features
| Spec | Canon - imageCLASS MF656Cdw | Canon - MAXIFY GX7020 |
|---|---|---|
| Auto duplex | true | true |
| ADF | true | true |
| Wi-Fiⓘ | true | true |
| AirPrint | true | true |