Here is a specs comparison on Canon EOS 100D/SL1 and Canon EOS 1100D/Rebel T3.
Take a look below:
| Feature | Canon 100D | Canon 1100D |
|---|---|---|
| Sensor Resolution | 18.0 Million | 12.2 Million |
| Sensor Type | CMOS | CMOS |
| Sensor Size | 22.3 x 14.9 mm | 22.2 x 14.8 mm |
| Sensor Type | APS-C | APS-C |
| Image Size | 5184 x 3456 | 4272 x 2848 |
| Image Processor | Digic 5 | Digic 4 |
| Viewfinder Type | Pentaprism | Pentaprism |
| Viewfinder Coverage | 95% | 95% |
| Viewfinder Magnification | 0.87x | 0.80x |
| Storage Media | SD/SDHC/SDXC | SD/SDHC/SDXC |
| Continuous Shooting Speed | 4 FPS | 3 FPS |
| Max Shutter Speed | 1/4000 to 30 sec | 1/4000 to 30 sec |
| Native ISO Sensitivity | ISO 100-12,800 | ISO 100-6,400 |
| Boosted ISO Sensitivity | ISO 25,600 | – |
| Autofocus System | 9 points | 9 points |
| Video Output | H.264, Motion JPEG | H.264, Motion JPEG |
| Video Maximum Resolution | 1920 x 1080 (30, 25, 24 fps) | 1280 x 720 (29.97, 25 fps) |
| LCD Size | 3″ Fixed TFT-LCD | 2.7″ Fixed TFT-LCD |
| LCD Resolution | 1,040,000 dots | 230,000 dots |
| Exposure Compensation | ±5 (at 1/3 EV, 1/2 EV steps) | ±5 (at 1/3 EV, 1/2 EV steps) |
| Bracketing | ±2 (3 frames at 1/3 EV, 1/2 EV steps) | ±2 (3 frames at 1/3 EV, 1/2 EV steps) |
| Battery | LP-E12 | LP-E10 |
| Battery Life | 380 shots (CIPA) | 700 shots (CIPA) |
| USB Version | 2.0 | 2.0 |
| Dimensions | 117 x 91 x 69 mm | 130 x 100 x 78 mm |
| Weight | 407g | 495g |
| MSRP Price | $649 | $429 |