Reasons to choose EOS 20D
Released in 2004, EOS 20D has about 338 mm² of sensor area, 8.2 MP effective resolution, and a 770 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Canon EOS 20D
vs Canon EOS 30D
VS
Sensor area
338 mm²
EOS 20D338 mm²
EOS 30D- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The EOS 20D and EOS 30D have the same sensor area. Compare pixel density, sensor architecture, and release generation to understand likely image-quality differences.
These cameras were released 2 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
EOS 20DMetricEOS 30D
8.2 MPEffective pixels8.19 MP
22.5 × 15Sensor22.5 × 15
6.42 µmPixel pitch6.42 µm
41.16 µm²Pixel area41.21 µm²
2.43 MP/cm²Pixel density2.43 MP/cm²
1.6Crop factor1.6
—Maximum video—
770 gWeight784 g
Compact Flash (Type I or II)StorageCompactFlash type I, CompactFlash type II, Microdrive
Canon Lithium-Ion Li-ion batteryBatteryAA (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 EOS 20D and EOS 30D have the same sensor area. The EOS 20D has the lighter body. The EOS 20D has the higher effective resolution. The EOS 30D is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose EOS 30D
Released in 2006, EOS 30D has about 338 mm² of sensor area, 8.19 MP effective resolution, and a 784 g body. Use these values to narrow the field, not as an overall image-quality score.