Comparison between Hitachi 55HAK5350 vs Hitachi 58HAK5751

General Info
Model Number	Hitachi 55HAK5350	Hitachi 58HAK5751

Price	Check on Amazon	Check on Amazon
Type	TV	TV
Year	2021	2020
Brand	Hitachi	Hitachi
Model Number	55HAK5350	58HAK5751
Display
Screen Size Class	55" (inches)	58" (inches)
Diagonal Size	54.65 in 138.8 cm 1388 mm 4.55 ft	57.48 in 146 cm 1460 mm 4.79 ft
Screen Width	47.62 in 121 cm 1209.6 mm 3.97 ft	50 in 127 cm 1270.08 mm 4.17 ft
Screen Height	26.79 in 68 cm 680.4 mm 2.23 ft	28.4 in 72.1 cm 721.4 mm 2.37 ft
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	0.331 mm
Screen Pixel Density	80 ppi	76 ppi
Screen-to-Body Ratio	91.96 %
Backlight Source	Direct LED	Direct LED
Screen Brightness	350 cd/m²	350 cd/m²
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
HDR	HLG (Hybrid Log Gamma) HDR HDR10 Dolby Vision	HDR10 HLG (Hybrid Log Gamma) Dolby Vision
3D	No	No
Size, weight, color
Case Depth	3.23 in 8.2 cm 82 mm 0.27 ft
Case Width with Stand	48.94 in 124.3 cm 1243 mm 4.08 ft
Case Height with Stand	29.72 in 75.5 cm 755 mm 2.48 ft
Case Depth with Stand	9.45 in 24 cm 240 mm 0.79 ft
Case Weight with Stand	12.9 kg 28 lbs	14.6 kg 32 lbs
Case Color	Black	Black
Hardware
CPU Cores	4	4
TV Tuner	DVB-T DVB-T2 DVB-C DVB-S DVB-S2 Analog (NTSC/PAL/SECAM)	Analog (NTSC/PAL/SECAM) DVB-T DVB-T2 DVB-C DVB-S DVB-S2
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 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 2.0 (ARC; CEC) 1 x Satellite In (Main; F-type female) 1 x 3.5 mm Audio Out 1 x CI+ 1.4 1 x Antenna (RF) (female) 1 x Optical Audio Out 2 x USB 2.0 1 x Ethernet RJ45	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 12W	2 x 10W
Features
OS	Android TV	Android 9.0 Pie
Cool Features	Amazon Prime Video Chromecast Built-in Micro Dimming Super Resolution Netflix Google Assistant 4K Upscaler USB recording (PVR ready) Alexa YouTube	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	48.94 in 124.3 cm 1243 mm 4.08 ft
Case Height	28.35 in 72 cm 720 mm 2.36 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	200 x 200	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	50 Hz / 60 Hz	50 Hz / 60 Hz
Screen Interpolation Technology		Best Picture Index
Screen Interpolation Value		1200
Screen Interpolation Measurement Unit	NULL	BPI
Accessories
Extras	Remote control
Certificates and Standards
Licenses	CE RoHS
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °F

Hitachi 55HAK5350

Hitachi 58HAK5751