17.87 in 7.6 in  | 17.87 in 8.66 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 HP Envy 7640 |  HP Photosmart 7520 | |
|---|---|---|
| Copier | yes | yes |
| Scanner | yes | yes |
| Fax | yes | yes |
| Noise level | 49.0 dB | 6.3 dB |
| Supports duplex | yes | yes |
| HP Envy 7640 | HP Photosmart 7520 | |
|---|---|---|
| Height | 7.6 in | 8.66 in |
| Width | 17.87 in | 17.87 in |
| Depth | 16.14 in | 17.91 in |
| Weight | 16.91 lb | 18.98 lb |
| HP Envy 7640 | HP Photosmart 7520 | |
|---|---|---|
| Colour of product | Black | Black |
| Document feeder | yes | yes |
| Document feeder capacity | 25.0 pages | 25.0 pages |
| HP Envy 7640 | HP Photosmart 7520 | |
|---|---|---|
| Color technology | Inkjet | Inkjet |
| Max color resolution | 4800 x 1200 dpi | 9600 x 2400 dpi |
| Memory capacity | 128.0 mB | 128.0 mB |
| HP Envy 7640 | HP Photosmart 7520 | |
|---|---|---|
| Display | yes | yes |
| Display type | Colour | Colour |
| Touchscreen | yes | yes |
| HP Envy 7640 | HP Photosmart 7520 | |
|---|---|---|
| Colour printer | yes | yes |
| Automatic duplexing | yes | Yes |
| HP Envy 7640 | HP Photosmart 7520 | |
|---|---|---|
| Maximum optical resolution | 1200 x 1200 px | 1200 x 1200 px |
| Scanner color depth | 24.0 bit | 48.0 bit |
| HP Envy 7640 | HP Photosmart 7520 | |
|---|---|---|
| Automatic duplexing | yes | Yes |
| HP Envy 7640 | HP Photosmart 7520 | |
|---|---|---|
| Fax modem | yes | yes |
| Fax modem speed | 33.6 kbps | 33.6 kbps |
| Document memory | 100.0 sheets | 101.0 sheets |
| HP Envy 7640 | HP Photosmart 7520 | |
|---|---|---|
| Media supported |
|
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| Feeder capacity | 125 | 50 |
| Number of trays | 2 | 2 |
| HP Envy 7640 | HP Photosmart 7520 | |
|---|---|---|
| Interfaces |
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| Communication protocol |
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| HP Envy 7640 | HP Photosmart 7520 | |
|---|---|---|
| Power consumption (standby) | 1.55 W | 5.8 W |
| HP Envy 7640 | HP Photosmart 7520 | |
|---|---|---|
| EnergyStar | yes | yes |
| Pros | ||
|---|---|---|
| Cons |
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