No proof yet. I will post some if I find some.
I just made this up. Its Future Ideas
Please lay off the insults
AMD Synthronize Technology allows you to use The Grphics Dedicated Memory as Physical.
Meaning if you have a 2GB AMD Synthonizer Capable card with GDDR5 Memory physical memory will have an added 1GB DDR5 when enabled
Radeon XD 5100/5250/AMD 870G
-Intergrated Graphics Part
-up to 2GB shared Memory(2GB/1GB/512MB/256MB/128MB Shared + 256MB/512MB GDDR3 Dedicated)
-AMD Synthronize Technology Capable Allows sharing Graphics Memory as Physical Memory(with maximum of 256MB DDR3 with this IGP)