But what about databases?  23andme seems to have truly unique database of individuals to compare against. And the in-common function that they added earlier this year is a real bonus when dealing with silent cousins. On 8/22/17 9:35 AM, [email protected] wrote: > LivingDNA and 23andMe v4 are very similar, using the same base GSA chip of > ~600K SNPs but with their own custom SNPs added for various reasons. > Segment matching across those two platforms should be roughly comparable to > comparing two Illumina 700K chips and better than comparing say FTDNA vs > AncestryDNA v2 or 23andMe v4. The GSA chip is probably the wave of the > future; LivingDNA has said that they expected the 700K chip to be phased > out at some point, so they chose to use the GSA chip from the get-go.