Reasons to choose Exilim EX-S20
Released in 2003, Exilim EX-S20 has about 21 mm² of sensor area, 1.9 MP effective resolution, and a 78 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Casio Exilim EX-S20
vs Casio Exilim EX-Z4
VS
Sensor area
21 mm²
Exilim EX-S2025 mm²
Exilim EX-Z4- Area ratio
- 1.17:1
- Absolute difference
- 4 mm²
- Relative difference
- 16.5%
The Exilim EX-Z4 has the larger sensor area. More area usually means greater light-gathering potential, though real image quality still depends on sensor architecture and generation.
Key specification differences
Exilim EX-S20MetricExilim EX-Z4
1.9 MPEffective pixels4 MP
5.33 × 4Sensor5.75 × 4.32
3.35 µmPixel pitch2.49 µm
11.22 µm²Pixel area6.21 µm²
8.91 MP/cm²Pixel density16.1 MP/cm²
6.49Crop factor6.02
—Maximum video—
78 gWeight129 g
MultiMedia, Secure DigitalStorageMultiMedia, Secure 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 Exilim EX-Z4 has the larger sensor area. The Exilim EX-S20 has the lighter body. The Exilim EX-Z4 has the higher effective resolution. The Exilim EX-S20 and Exilim EX-Z4 were both released in 2003. Also consider the lens system and subjects you shoot.
Reasons to choose Exilim EX-Z4
Released in 2003, Exilim EX-Z4 has about 25 mm² of sensor area, 4 MP effective resolution, and a 129 g body. Use these values to narrow the field, not as an overall image-quality score.