Reasons to choose Optio MX4
Released in 2004, Optio MX4 has about 21 mm² of sensor area, 4 MP effective resolution, and a 330 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Pentax Optio MX4
vs Pentax Optio S5n
VS
Sensor area
21 mm²
Optio MX425 mm²
Optio S5n- Area ratio
- 1.17:1
- Absolute difference
- 4 mm²
- Relative difference
- 16.5%
The Optio S5n has the larger sensor area. More area usually means greater light-gathering potential, though real image quality still depends on sensor architecture and generation.
These cameras were released 1 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
Optio MX4MetricOptio S5n
4 MPEffective pixels4.9 MP
5.33 × 4Sensor5.75 × 4.32
2.31 µmPixel pitch2.25 µm
5.33 µm²Pixel area5.07 µm²
18.76 MP/cm²Pixel density19.73 MP/cm²
6.49Crop factor6.02
—Maximum video—
330 gWeight105 g
MultiMedia, Secure DigitalStorageSecure Digital
Lithium-Ion rechargeable Li-ion batteryBatteryLithium-Ion rechargeable Li-ion battery
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 Optio S5n has the larger sensor area. The Optio S5n has the lighter body. The Optio S5n has the higher effective resolution. The Optio S5n is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose Optio S5n
Released in 2005, Optio S5n has about 25 mm² of sensor area, 4.9 MP effective resolution, and a 105 g body. Use these values to narrow the field, not as an overall image-quality score.