Comparison between Hisense 55K321 vs Hisense 55A7100F

General Info
Model Number	Hisense 55K321	Hisense 55A7100F

Price	Check on Amazon	Check on Amazon
Type	TV	TV
Year	2015	2020
Brand	Hisense	Hisense
Model Series	K321
Model Number	55K321	55A7100F
Alias	55K321ST2 LTDN55K321UWTSEU
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 Manufacturer	Hisense
Display Type	VA	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	0.315 mm
Screen Pixel Density	80 ppi	80 ppi
Screen-to-Body Ratio	92.64 %	93.98 %
Backlight Source	Edge LED	Direct LED
DCI P3	83%
Rec.2020		52
Screen Brightness	330 cd/m²	300 cd/m²
Static Screen Contrast	3500 : 1	5000 : 1
Screen Horizontal Viewing Angle	170 °	178 °
Screen Vertical Viewing Angle	150 °	178 °
Screen Input Lag	54 ms	20 ms
Display Minimum Response Time	6.5 ms
HDR		HDR10 HLG (Hybrid Log Gamma)
3D	No	No
Size, weight, color
Case Depth	3.27 in 8.3 cm 83 mm 0.27 ft	3.39 in 8.6 cm 86 mm 0.28 ft
Case Weight		12.3 kg 27 lbs
Case Width with Stand	48.78 in 123.9 cm 1239 mm 4.06 ft	48.43 in 123 cm 1230 mm 4.04 ft
Case Height with Stand	33.78 in 85.8 cm 858 mm 2.81 ft	30.43 in 77.3 cm 773 mm 2.54 ft
Case Depth with Stand	6.97 in 17.7 cm 177 mm 0.58 ft	8.9 in 22.6 cm 226 mm 0.74 ft
Case Weight with Stand	17.3 kg 38 lbs	12.6 kg 28 lbs
Case Color	Silver	Black
Hardware
System on Chip or SoC	MediaTek MT5657MCEJ	MStar MSD6886
CPU Cores	4	4
TV Tuner	Analog (NTSC/PAL/SECAM) DVB-S2 DVB-T DVB-T2 DVB-S DVB-C	Analog (NTSC/PAL/SECAM) DVB-T DVB-T2 DVB-C DVB-S2 DVB-S
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) 802.11n 5GHz	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
Connectivity	1 x Ethernet RJ45 1 x HDMI 1.4 1 x 3.5 mm Audio Out 1 x Satellite In (Main; F-type female) 1 x AV Composite In (Video + L/R) 1 x Antenna (RF) (female) 1 x SCART 3 x HDMI 2.0 (ARC; CEC; MHL) 2 x USB 2.0 (max 0.5 A) 1 x CI+ 1.3 1 x AV Component In (YPbPr + L/R) 1 x USB 3.0 (max 1 A) 1 x S/PDIF	3 x HDMI 2.0 (ARC; CEC) 1 x Satellite In (Main; F-type female) 1 x Optical Audio Out 1 x Antenna (RF) (female) 1 x 3.5 mm Audio Out 1 x AV Composite In (Video + L/R) 2 x USB 2.0 (max 0.5 A) 1 x CI+ 1.4 1 x Ethernet RJ45
Audio
Audio Speakers	2 x 10W	2 x 8W
Features
OS	VIDAA 1.0	VIDAA U3.0
Cool Features	Ultra HD Upscaling HDCP (High-bandwidth Digital Content Protection) 2.2 PVR	Anyview Cast Anyview Stream Netflix VEWD Internet browser Noise Reduction HbbTV 2.0.2 4K Upscaling YouTube Amazon Prime Video
Ergonomics
Case Width	48.78 in 123.9 cm 1239 mm 4.06 ft	48.43 in 123 cm 1230 mm 4.04 ft
Case Height	28.23 in 71.7 cm 717 mm 2.35 ft	28.03 in 71.2 cm 712 mm 2.34 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	200 x 200	300 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	Smart Motion Rate
Screen Interpolation Value	800
Screen Interpolation Measurement Unit	SMR	NULL
Accessories
Extras	Remote control - EN2D27
Certificates and Standards
Licenses		RoHS
Usage and Storage Requirements
Safe Operating Temperature Level		5 °C - 35 °C 41 °F - 95 °F
Safe Operating Humidity Level		20 % - 80 %

Hisense 55K321

Hisense 55A7100F