Reasons to choose Photosmart 720
Released in 2002, Photosmart 720 has about 38 mm² of sensor area, 3.34 MP effective resolution, and a 266 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
HP Photosmart 720
vs HP Photosmart 850
VS
Sensor area
38 mm²
Photosmart 72038 mm²
Photosmart 850- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The Photosmart 720 and Photosmart 850 have the same sensor area. Compare pixel density, sensor architecture, and release generation to understand likely image-quality differences.
Key specification differences
Photosmart 720MetricPhotosmart 850
3.34 MPEffective pixels4.1 MP
7.11 × 5.33Sensor7.11 × 5.33
3.37 µmPixel pitch3.04 µm
11.35 µm²Pixel area9.24 µm²
8.81 MP/cm²Pixel density10.82 MP/cm²
4.87Crop factor4.87
—Maximum video—
266 gWeight489 g
MultiMedia, Secure DigitalStorageMultiMedia, Secure Digital
AA (4) batteries (NiMH recommended)BatteryAA (4) batteries (NiMH recommended)
Amber marks the value that is generally preferable in this comparison context. It is not an overall camera score.
How to choose between these cameras
The Photosmart 720 and Photosmart 850 have the same sensor area. The Photosmart 720 has the lighter body. The Photosmart 850 has the higher effective resolution. The Photosmart 720 and Photosmart 850 were both released in 2002. Also consider the lens system and subjects you shoot.
Reasons to choose Photosmart 850
Released in 2002, Photosmart 850 has about 38 mm² of sensor area, 4.1 MP effective resolution, and a 489 g body. Use these values to narrow the field, not as an overall image-quality score.