Model 85C645 year 2023 Flat/Curved flat Screen type LCD Type of technology Smart. UHD. Samsung 55″ Smart TV Panel type DLED OS Google TV Dolby Atmos Yes Accuracy 4K UHD Team decision 3840*2160 WIFI 2.4GHz/5GHz dual-band WiFi 802.11 a/b/g/n/ac 2T2R USB translation Sub / Ass / SRT / SMI HDMI inputs 3S (HDMI2.1*1 with ARC/EARC + HDMI2.0*2) HDMI2. 1 (VRR) Yes Up to 1440P@120Hz (JP: To be determined) Dimensions in rack (W x H x D) 402X1167X1894 (mm) TCL QLED 50C645 HDR10, 120HZ, HDMI1.4 HDCP1.4, HDCP2.2,AIPQ PROCESSOR,DOLBY VISION-ATMOS TCL QLED 50C645 HDR10, 120HZ, HDMI1.4 HDCP1.4, HDCP2.2,AIPQ PROCESSOR,DOLBY VISION-ATMOS