17.52 in 5.04 in  | 17.87 in 7.6 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 HP Envy 4520 |  HP Envy 7640 | |
|---|---|---|
| Copier | yes | yes |
| Scanner | yes | yes |
| Fax | no | yes |
| Noise level | 51.0 dB | 49.0 dB |
| Supports duplex | yes | yes |
| HP Envy 4520 | HP Envy 7640 | |
|---|---|---|
| Height | 5.04 in | 7.6 in |
| Width | 17.52 in | 17.87 in |
| Depth | 14.45 in | 16.14 in |
| Weight | 11.93 lb | 16.91 lb |
| HP Envy 4520 | HP Envy 7640 | |
|---|---|---|
| Colour of product | Black | Black |
| Document feeder | no | yes |
| HP Envy 4520 | HP Envy 7640 | |
|---|---|---|
| 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 | 64.0 mB | 128.0 mB |
| HP Envy 4520 | HP Envy 7640 | |
|---|---|---|
| Display | yes | yes |
| Display type | Monochrome | Colour |
| Touchscreen | yes | yes |
| HP Envy 4520 | HP Envy 7640 | |
|---|---|---|
| Colour printer | yes | yes |
| Automatic duplexing | yes | yes |
| Color print speed | 16.0 ppm | 9.0 ppm |
| B/W print speed | 20.0 ppm | 22.0 ppm |
| HP Envy 4520 | HP Envy 7640 | |
|---|---|---|
| Maximum optical resolution | 1200 x 2400 px | 1200 x 1200 px |
| Scanner color depth | 24.0 bit | 24.0 bit |
| HP Envy 4520 | HP Envy 7640 | |
|---|---|---|
| Maximum copying speed | 7.0 pages/min | 21.0 pages/min |
| HP Envy 4520 | HP Envy 7640 | |
|---|---|---|
| Media supported |
|
|
| Feeder capacity | 25 | 125 |
| Number of trays | 1 | 2 |
| HP Envy 4520 | HP Envy 7640 | |
|---|---|---|
| Interfaces |
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| Communication protocol |
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| HP Envy 4520 | HP Envy 7640 | |
|---|---|---|
| Power consumption (standby) | 0.55 W | 1.55 W |
| HP Envy 4520 | HP Envy 7640 | |
|---|---|---|
| EnergyStar | yes | yes |
| Pros | ||
|---|---|---|
| Cons |
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