Reasons to choose Alpha DSLR-A380
Released in 2009, Alpha DSLR-A380 has about 373 mm² of sensor area, 14.2 MP effective resolution, and a 519 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Sony Alpha DSLR-A380
vs Sony Alpha SLT-A57
VS
Sensor area
373 mm²
Alpha DSLR-A380367 mm²
Alpha SLT-A57- Area ratio
- 1.02:1
- Absolute difference
- 6 mm²
- Relative difference
- 1.7%
The Alpha DSLR-A380 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 3 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
Alpha DSLR-A380MetricAlpha SLT-A57
14.2 MPEffective pixels16.1 MP
23.6 × 15.8Sensor23.5 × 15.6
5.12 µmPixel pitch4.77 µm
26.26 µm²Pixel area22.77 µm²
3.81 MP/cm²Pixel density4.39 MP/cm²
1.52Crop factor1.53
—Maximum video1,920 × 1,080
519 gWeight618 g
SD/ SDHC, Memory Stick Pro DuoStorageSD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Lithium-Ion NP-FH50 rechargeable battery Li-ion batteryBatteryRechargeable NP-FM500H 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 Alpha DSLR-A380 has the larger sensor area. The Alpha DSLR-A380 has the lighter body. The Alpha SLT-A57 has the higher effective resolution. The Alpha SLT-A57 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose Alpha SLT-A57
Released in 2012, Alpha SLT-A57 has about 367 mm² of sensor area, 16.1 MP effective resolution, and a 618 g body. Use these values to narrow the field, not as an overall image-quality score.