17.87 in 7.6 in  | 18.26 in 9.0 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 HP Envy 7640 |  HP OfficeJet Pro 6970 | |
|---|---|---|
| Copier | yes | yes |
| Scanner | yes | yes |
| Fax | yes | yes |
| Noise level | 49.0 dB | 50.0 dB |
| Supports duplex | yes | yes |
| HP Envy 7640 | HP OfficeJet Pro 6970 | |
|---|---|---|
| Height | 7.6 in | 9.0 in |
| Width | 17.87 in | 18.26 in |
| Depth | 16.14 in | 15.35 in |
| Weight | 16.91 lb | 17.86 lb |
| HP Envy 7640 | HP OfficeJet Pro 6970 | |
|---|---|---|
| Colour of product | Black | Black |
| Document feeder | yes | yes |
| Document feeder capacity | 25.0 pages | 35.0 pages |
| HP Envy 7640 | HP OfficeJet Pro 6970 | |
|---|---|---|
| Color technology | Inkjet | Inkjet |
| Memory capacity | 128.0 mB | 1.0 mB |
| HP Envy 7640 | HP OfficeJet Pro 6970 | |
|---|---|---|
| Display | yes | yes |
| Display type | Colour | Colour |
| Touchscreen | yes | yes |
| HP Envy 7640 | HP OfficeJet Pro 6970 | |
|---|---|---|
| Colour printer | yes | yes |
| Automatic duplexing | yes | Yes |
| Color print speed | 9.0 ppm | 26.0 ppm |
| B/W print speed | 22.0 ppm | 30.0 ppm |
| HP Envy 7640 | HP OfficeJet Pro 6970 | |
|---|---|---|
| Scanner color depth | 24.0 bit | 24.0 bit |
| Automatic duplexing | yes | Yes |
| HP Envy 7640 | HP OfficeJet Pro 6970 | |
|---|---|---|
| Maximum copying speed | 21.0 pages/min | 30.0 pages/min |
| Automatic duplexing | yes | Yes |
| HP Envy 7640 | HP OfficeJet Pro 6970 | |
|---|---|---|
| Fax modem | yes | yes |
| Fax modem speed | 33.6 kbps | 33.6 kbps |
| Document memory | 100.0 sheets | 100.0 sheets |
| Number memory | 20 | 20 |
| HP Envy 7640 | HP OfficeJet Pro 6970 | |
|---|---|---|
| Media supported |
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| Feeder capacity | 125 | 60 |
| Number of trays | 2 | 1 |
| HP Envy 7640 | HP OfficeJet Pro 6970 | |
|---|---|---|
| Interfaces |
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| Communication protocol |
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| HP Envy 7640 | HP OfficeJet Pro 6970 | |
|---|---|---|
| Power consumption (standby) | 1.55 W | 5.5 W |
| HP Envy 7640 | HP OfficeJet Pro 6970 | |
|---|---|---|
| EnergyStar | yes | yes |
| Pros | ||
|---|---|---|
| Cons |
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