Comparison between Toshiba 55UK4B63DB vs Toshiba 58UL2B63DB

General Info
Model Number	Toshiba 55UK4B63DB	Toshiba 58UL2B63DB

Price	Check on Amazon	Check on Amazon
Type	TV	TV
Year	2020	2020
Brand	Toshiba	Toshiba
Model Series	UK4B	UL2
Model Number	55UK4B63DB	58UL2B63DB
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	93.05 %	92.38 %
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	HDR10 Dolby Vision HDR HLG (Hybrid Log Gamma)	HDR10 Dolby Vision HDR HLG (Hybrid Log Gamma)
3D	No	No
Size, weight, color
Case Depth	2.6 in 6.6 cm 66 mm 0.22 ft	3.19 in 8.1 cm 81 mm 0.27 ft
Case Width with Stand	48.72 in 123.8 cm 1237.5 mm 4.06 ft	51.39 in 130.5 cm 1305.32 mm 4.28 ft
Case Height with Stand	29.07 in 73.8 cm 738.276 mm 2.42 ft	32.07 in 81.5 cm 814.508 mm 2.67 ft
Case Depth with Stand	9.86 in 25 cm 250.402 mm 0.82 ft	9.66 in 24.5 cm 245.34 mm 0.8 ft
Case Weight with Stand	14.399 kg 32 lbs	16.511 kg 36 lbs
Case Color	Silver	Black, Silver
Hardware
CPU Cores	4	4
TV Tuner	Analog (NTSC/PAL/SECAM) DVB-C DVB-S DVB-S2 DVB-T DVB-T2	Analog (NTSC/PAL/SECAM) DVB-C DVB-S DVB-S2 DVB-T DVB-T2
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) 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) Bluetooth
Connectivity	4 x HDMI 2.0 (ARC; CEC) 1 x D-sub 1 x AV Composite In (Video + L/R) 1 x 3.5 mm Audio Out 1 x Optical Audio Out 1 x Satellite In (Main; F-type female) 1 x USB 2.0 1 x Antenna (RF) 1 x Ethernet RJ45 1 x CI+	4 x HDMI 2.0 (ARC; CEC) 1 x D-sub 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	Smart TV	Smart TV
Cool Features	Google Assistant HbbTV 1.5 UHD UPscaler Netflix TRU Flow YouTube Toshiba Gaming Mode MEMC (Motion Estimation Motion Compensation) Alexa TRU Micro Dimming Amazon Prime Video TRU Resolution	HbbTV 1.5 MEMC (Motion Estimation Motion Compensation) UHD Upscaler PVR Ready TRU Flow YouTube Toshiba Gaming Mode Netflix Amazon Prime Video TRU Micro Dimming Google Voice Assistant (sold separately) TRU Resolution
Ergonomics
Case Width	48.7 in 123.7 cm 1237 mm 4.06 ft	51.38 in 130.5 cm 1305 mm 4.28 ft
Case Height	28.15 in 71.5 cm 715 mm 2.35 ft	29.92 in 76 cm 760 mm 2.49 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	Total Picture Quality	Total Picture Quality
Screen Interpolation Value	2200	2000
Screen Interpolation Measurement Unit	TPQ	TPQ
Accessories
Extras	Remote control	Remote control
Certificates and Standards
Usage and Storage Requirements

Toshiba 55UK4B63DB

Toshiba 58UL2B63DB