17.87 in 7.6 in  | 19.66 in 12.36 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 HP Envy 7640 |  HP OfficeJet Pro 8620 | |
|---|---|---|
| Copier | yes | yes |
| Scanner | yes | yes |
| Fax | yes | yes |
| Noise level | 49.0 dB | 64.0 dB |
| Supports duplex | yes | yes |
| HP Envy 7640 | HP OfficeJet Pro 8620 | |
|---|---|---|
| Height | 7.6 in | 12.36 in |
| Width | 17.87 in | 19.66 in |
| Depth | 16.14 in | 18.46 in |
| Weight | 16.91 lb | 28.62 lb |
| HP Envy 7640 | HP OfficeJet Pro 8620 | |
|---|---|---|
| Colour of product | Black | Black |
| Document feeder | yes | yes |
| Document feeder capacity | 25.0 pages | 50.0 pages |
| HP Envy 7640 | HP OfficeJet Pro 8620 | |
|---|---|---|
| Color technology | Inkjet | Inkjet |
| Max color resolution | 4800 x 1200 dpi | 4800 x 1200 dpi |
| Max B/W resolution | 1200 x 1200 dpi | 1200 x 1200 dpi |
| Memory capacity | 128.0 mB | 128.0 mB |
| HP Envy 7640 | HP OfficeJet Pro 8620 | |
|---|---|---|
| Display | yes | yes |
| Display type | Colour | Colour |
| Touchscreen | yes | yes |
| HP Envy 7640 | HP OfficeJet Pro 8620 | |
|---|---|---|
| Colour printer | yes | yes |
| Automatic duplexing | yes | yes |
| Color print speed | 9.0 ppm | 16.0 ppm |
| B/W print speed | 22.0 ppm | 21.0 ppm |
| HP Envy 7640 | HP OfficeJet Pro 8620 | |
|---|---|---|
| Maximum optical resolution | 1200 x 1200 px | 1200 x 1200 px |
| Scanner color depth | 24.0 bit | 24.0 bit |
| HP Envy 7640 | HP OfficeJet Pro 8620 | |
|---|---|---|
| Maximum copying speed | 21.0 pages/min | 34.0 pages/min |
| HP Envy 7640 | HP OfficeJet Pro 8620 | |
|---|---|---|
| Fax modem | yes | yes |
| Fax modem speed | 33.6 kbps | 33.6 kbps |
| Maximum print speed | 15.0 pages/min | 15.0 pages/min |
| Document memory | 100.0 sheets | 100.0 sheets |
| Number memory | 20 | 99 |
| HP Envy 7640 | HP OfficeJet Pro 8620 | |
|---|---|---|
| Media supported |
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| Feeder capacity | 125 | 250 |
| Number of trays | 2 | 2 |
| HP Envy 7640 | HP OfficeJet Pro 8620 | |
|---|---|---|
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| HP Envy 7640 | HP OfficeJet Pro 8620 | |
|---|---|---|
| Power consumption (standby) | 1.55 W | 6.8 W |
| HP Envy 7640 | HP OfficeJet Pro 8620 | |
|---|---|---|
| EnergyStar | yes | yes |
| Pros | ||
|---|---|---|
| Cons |
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