Comparison between Hitachi 50HAK6151 vs Hitachi 55HK5W64

General Info
Model Number	Hitachi 50HAK6151	Hitachi 55HK5W64

Price	Check on Amazon	Check on Amazon
Type	TV	TV
Year	2020	2017
Brand	Hitachi	Hitachi
Model Number	50HAK6151	55HK5W64
Display
Screen Size Class	50" (inches)	55" (inches)
Diagonal Size	49.49 in 125.7 cm 1257 mm 4.12 ft	54.65 in 138.8 cm 1388 mm 4.55 ft
Screen Width	43.14 in 109.6 cm 1095.84 mm 3.6 ft	47.62 in 121 cm 1209.6 mm 3.97 ft
Screen Height	24.27 in 61.6 cm 616.41 mm 2.02 ft	26.79 in 68 cm 680.4 mm 2.23 ft
Display Type	VA	IPS
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	0.285 mm	0.315 mm
Screen Pixel Density	89 ppi	80 ppi
Screen-to-Body Ratio	91.12 %
Backlight Source	Direct LED	Direct LED
Screen Brightness	350 cd/m²	350 cd/m²
Static Screen Contrast	5000 : 1	1200 : 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	44.49 in 113 cm 1130 mm 3.71 ft	49.13 in 124.8 cm 1248 mm 4.09 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	11.33 kg 25 lbs	15.7 kg 35 lbs
Case Color	Black	Black
Hardware
CPU Cores	4
TV Tuner	Analog (NTSC/PAL/SECAM) DVB-T DVB-T2 DVB-C DVB-S DVB-S2	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 Bluetooth Wi-Fi Direct DLNA	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
Connectivity	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+	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
Audio
Audio Speakers	2 x 10W	2 x 10W
Features
OS	Android 9.0 Pie	SmartVue
Cool Features	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)	HDCP (High-bandwidth Digital Content Protection) Picture Master Plus PVR Wide Color Gamut Progressive Scan Digital Noise Reduction Dynamic Contrast
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	200 x 200	300 x 250
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	50 Hz / 60 Hz	60 Hz
Screen Interpolation Technology	Best Picture Index	Backlight Picture Index
Screen Interpolation Value	1200	1200
Screen Interpolation Measurement Unit	BPI	BPI
Accessories
Certificates and Standards
Usage and Storage Requirements

Hitachi 50HAK6151

Hitachi 55HK5W64