Comparison between Hitachi 55HK5W64 vs Hitachi 50HAK6151

General Info
Model Number	Hitachi 55HK5W64	Hitachi 50HAK6151

Price	Check on Amazon	Check on Amazon
Type	TV	TV
Year	2017	2020
Brand	Hitachi	Hitachi
Model Number	55HK5W64	50HAK6151
Display
Screen Size Class	55" (inches)	50" (inches)
Diagonal Size	54.65 in 138.8 cm 1388 mm 4.55 ft	49.49 in 125.7 cm 1257 mm 4.12 ft
Screen Width	47.62 in 121 cm 1209.6 mm 3.97 ft	43.14 in 109.6 cm 1095.84 mm 3.6 ft
Screen Height	26.79 in 68 cm 680.4 mm 2.23 ft	24.27 in 61.6 cm 616.41 mm 2.02 ft
Display Type	IPS	VA
Display Bit Depth	10 bits (8 bits + FRC)	10 bits (8 bits + FRC)
Frame Rate Control	Yes	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	0.285 mm
Screen Pixel Density	80 ppi	89 ppi
Screen-to-Body Ratio		91.12 %
Backlight Source	Direct LED	Direct LED
Screen Brightness	350 cd/m²	350 cd/m²
Static Screen Contrast	1200 : 1	5000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	8 ms
HDR		HDR10 HLG (Hybrid Log Gamma) Dolby Vision
3D	No	No
Size, weight, color
Case Depth		3.19 in 8.1 cm 81 mm 0.27 ft
Case Width with Stand	49.13 in 124.8 cm 1248 mm 4.09 ft	44.49 in 113 cm 1130 mm 3.71 ft
Case Height with Stand	30.91 in 78.5 cm 785 mm 2.58 ft
Case Depth with Stand	10.98 in 27.9 cm 279 mm 0.92 ft
Case Weight with Stand	15.7 kg 35 lbs	11.33 kg 25 lbs
Case Color	Black	Black
Hardware
CPU Cores		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-S DVB-S2
Built-in Camera	No	No
Network	LAN Wi-Fi 802.11b (IEEE 802.11b-1999) 802.11g (IEEE 802.11g-2003) 802.11n (IEEE 802.11n-2009) Bluetooth Wi-Fi Direct DLNA	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 Bluetooth Wi-Fi Direct DLNA
Connectivity	3 x HDMI 1.4 (CEC) 1 x D-sub 1 x Antenna (RF) (female) 1 x SCART 1 x AV Component In (YPbPr + L/R) 1 x CI+ 1.3 1 x AV Composite In (Video + L/R) 1 x Satellite In (Main; F-type female) 2 x USB 2.0 1 x Optical Audio Out 1 x Ethernet RJ45 1 x 3.5 mm Audio Out	4 x HDMI 2.0 (ARC; CEC) 1 x D-sub (Component in (YPbPr)) 1 x AV Composite In (Video + L/R) 1 x 3.5 mm Audio Out 1 x Optical Audio Out 1 x Satellite In (F-type female) 2 x USB 2.0 1 x Antenna (RF) 1 x Ethernet RJ45 1 x CI+
Audio
Audio Speakers	2 x 10W	2 x 10W
Features
OS	SmartVue	Android 9.0 Pie
Cool Features	HDCP (High-bandwidth Digital Content Protection) Picture Master Plus PVR Wide Color Gamut Progressive Scan Digital Noise Reduction Dynamic Contrast	Google Assistant HbbTV 2.0 Wide Color Gamut Netflix UHD Upscaler YouTube Super Resolution Micro Dimming Amazon Prime Video Ultra Contrast Chromecast built-in USB Recording (PVR Ready)
Ergonomics
Case Width		44.49 in 113 cm 1130 mm 3.71 ft
Case Height		25.83 in 65.6 cm 656 mm 2.15 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	300 x 250	200 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	60 Hz	50 Hz / 60 Hz
Screen Interpolation Technology	Backlight Picture Index	Best Picture Index
Screen Interpolation Value	1200	1200
Screen Interpolation Measurement Unit	BPI	BPI
Accessories
Certificates and Standards
Usage and Storage Requirements

Hitachi 55HK5W64

Hitachi 50HAK6151