Comparison between Hisense H55O8B vs Hisense H55U8B

General Info
Model Number	Hisense H55O8B	Hisense H55U8B

Price	Check on Amazon	Check on Amazon
Type	TV	TV
Year	2019	2019
Brand	Hisense	Hisense
Model Series	O8B	U8B
Model Number	H55O8B	H55U8B
Alias	HE55A8000KWTSG
Display
Screen Size Class	55" (inches)	55" (inches)
Diagonal Size	54.65 in 138.8 cm 1388 mm 4.55 ft	54.65 in 138.8 cm 1388 mm 4.55 ft
Screen Width	47.62 in 121 cm 1209.6 mm 3.97 ft	47.62 in 121 cm 1209.6 mm 3.97 ft
Screen Height	26.79 in 68 cm 680.4 mm 2.23 ft	26.79 in 68 cm 680.4 mm 2.23 ft
Display Type	OLED	VA
Display Bit Depth	10 bits	10 bits (8 bits + FRC)
Frame Rate Control	No	Yes
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	16:9	16:9
Screen Resolution	3840 x 2160	3840 x 2160
Screen Pixel Pitch	0.315 mm	0.315 mm
Screen Pixel Density	80 ppi	80 ppi
Screen-to-Body Ratio	94.93 %
Backlight Source		Edge LED
Rec.2020		74
Screen Brightness	500 cd/m²	450 cd/m²
Max Screen Brightness	700 cd/m²
Static Screen Contrast		4000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag		50 ms
Display Minimum Response Time	1 ms
HDR	HDR10 HLG (Hybrid Log Gamma) Dolby Vision HDR10+	HDR10 HLG (Hybrid Log Gamma) Dolby Vision HDR10+
3D	No	No
Size, weight, color
Case Depth	2.3 in 5.9 cm 58.5 mm 0.19 ft
Case Weight	20.5 kg 45 lbs	18.6 kg 41 lbs
Case Width with Stand	48.26 in 122.6 cm 1225.9 mm 4.02 ft	48.43 in 123 cm 1230 mm 4.04 ft
Case Height with Stand	29.69 in 75.4 cm 754.2 mm 2.47 ft	30.67 in 77.9 cm 779 mm 2.56 ft
Case Depth with Stand	10.7 in 27.2 cm 271.8 mm 0.89 ft	11.65 in 29.6 cm 296 mm 0.97 ft
Case Weight with Stand	22.7 kg 50 lbs	20.6 kg 45 lbs
Case Color	Black	Gray
Hardware
System on Chip or SoC	MStar MSD6886	MStar MSD6886
CPU Cores	4	4
TV Tuner	Analog (NTSC/PAL/SECAM) DVB-T DVB-T2 DVB-C DVB-S2 DVB-S	Analog (NTSC/PAL/SECAM) DVB-T DVB-T2 DVB-C DVB-S2 DVB-S
Built-in Camera	No	No
Network	LAN Wi-Fi 802.11a (IEEE 802.11a-1999) 802.11b (IEEE 802.11b-1999) 802.11g (IEEE 802.11g-2003) 802.11n (IEEE 802.11n-2009) 802.11n 5GHz 802.11ac (IEEE 802.11ac) Bluetooth	LAN Wi-Fi 802.11a (IEEE 802.11a-1999) 802.11b (IEEE 802.11b-1999) 802.11g (IEEE 802.11g-2003) 802.11n (IEEE 802.11n-2009) 802.11n 5GHz 802.11ac (IEEE 802.11ac) Bluetooth
Connectivity	4 x HDMI 2.0 (ARC; CEC) 1 x Satellite In (Main; F-type female) 1 x S/PDIF 1 x CI+ 1.4 1 x Antenna (RF) (female) 1 x AV Composite In (Video + L/R) 2 x USB 2.0 (max 0.5 A) 1 x Ethernet RJ45	4 x HDMI 2.0 (ARC; CEC) 1 x Satellite In (Main; F-type female) 1 x S/PDIF 1 x CI+ 1.4 1 x Antenna (RF) (female) 1 x AV Composite In (Video + L/R) 2 x USB 2.0 (max 0.5 A) 1 x Ethernet RJ45
Audio
Audio Speakers	2 x 10W	2 x 10W
Features
OS	VIDAA U3.0	VIDAA U3.0
Cool Features	PVR Wide Color Gamut 4K Upscaling HDCP (High-bandwidth Digital Content Protection) 2.2	HDCP (High-bandwidth Digital Content Protection) 2.2 Hi-View Engine Plus PVR Ultra Motion Ultra Color Local Dimming 4K Upscaling Wide Color Gamut Backlight Scanning
Ergonomics
Case Width	48.26 in 122.6 cm 1225.9 mm 4.02 ft
Case Height	27.84 in 70.7 cm 707.2 mm 2.32 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	400 x 300	400 x 200
Removable VESA Stand	Yes	Yes
Height Adjustment	No	No
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	No	No
Forward and Backward Tilt Support	No	No
Frequency and Interpolation
Vertical Digital Frequency	120 Hz	120 Hz
Screen Interpolation Technology	Picture Criteria Index	Picture Criteria Index
Screen Interpolation Value	3400	2800
Screen Interpolation Measurement Unit	PCI	PCI
Accessories
Extras	Remote control - ERF6A62	Remote control - ERF6A62
Certificates and Standards
Licenses	RoHS WEEE	RoHS WEEE
Usage and Storage Requirements
Safe Operating Temperature Level	5 °C - 35 °C 41 °F - 95 °F	5 °C - 35 °C 41 °F - 95 °F
Safe Operating Humidity Level	20 % - 80 %	20 % - 80 %

Hisense H55O8B

Hisense H55U8B