The matrix remains the same as its predecessor (in size and megapixels), is normal, although if you feel like it, you can shoot at ISO3200 and 6400 (in addition, raws are available for them), as well as real photos on my page , starting November 7:
Nikon D3100 DSLR Camera Body (Kit Box) - No Lens Included, International Version with No Warranty
298 Review
Revamped Sony Alpha a6000 Mirrorless Digital Camera: 24.3MP SLR Camera with 3.0-Inch LCD and Power Zoom Lens
103 Review
Discontinued Canon EOS 7D Digital SLR 📷 Camera Body Only with 18 MP CMOS Sensor
88 Review
Nikon COOLPIX L810 Digital Camera: 16.1MP, 26x Zoom, NIKKOR ED Glass Lens, 3-inch LCD (Blue)
95 Review