The RX-V375/HTR-3066 is the latest model in that series and
has the following differences over the RX-V373/HTR-3065:
1. Discrete amp configuration
2. Low jitter PLL circuitry helps optimize sound imaging
Power and Demensions are identical.
Rated Output Power (8 ohms, 1 kHz, 0.9 % THD, 2 ch driven) 85 W + 85 W
Dimensions (W x H x D) 17-1/8" x 6" x 12-3/8"
Note on Weight:
Do to improved manufacturing processes, material upgrades, etc. They shaved a few ounces off the weight. Nothing more.