Reasons to choose Photosmart 318
Released in 2001, Photosmart 318 has about 21 mm² of sensor area, 2.3 MP effective resolution, and a 186 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
HP Photosmart 318
vs HP Photosmart 320
VS
Sensor area
21 mm²
Photosmart 31821 mm²
Photosmart 320- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The Photosmart 318 and Photosmart 320 have the same sensor area. Compare pixel density, sensor architecture, and release generation to understand likely image-quality differences.
These cameras were released 1 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
Photosmart 318MetricPhotosmart 320
2.3 MPEffective pixels2.1 MP
5.33 × 4Sensor5.33 × 4
3.04 µmPixel pitch3.19 µm
9.27 µm²Pixel area10.15 µm²
10.79 MP/cm²Pixel density9.85 MP/cm²
6.49Crop factor6.49
—Maximum video—
186 gWeight160 g
CompactFlash type IStorageMultiMedia, Secure Digital
4x AABatteryAA (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 318 and Photosmart 320 have the same sensor area. The Photosmart 320 has the lighter body. The Photosmart 318 has the higher effective resolution. The Photosmart 320 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose Photosmart 320
Released in 2002, Photosmart 320 has about 21 mm² of sensor area, 2.1 MP effective resolution, and a 160 g body. Use these values to narrow the field, not as an overall image-quality score.