Family has been manufactured by both Philips and UMC. Given the 2014 date code it is believed that this die was made at UMC.
Package
Markings:
(X) XILINX (R)
XCR3064XL (TM)
VQG44DMN1406
D4680999A
Die
Size is approximately 2880 x 3920 μm (11.29 mm2)
Mask revision markings
Logos
Random logic array stuff
Big bus down the center spine, probably the ZIA