Comparison between Hisense 55A7100F vs Hisense 55K321

General Info
Model Number	Hisense 55A7100F	Hisense 55K321

Price	Check on Amazon	Check on Amazon
Type	TV	TV
Year	2020	2015
Brand	Hisense	Hisense
Model Series		K321
Model Number	55A7100F	55K321
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	93.98 %	92.64 %
Backlight Source	Direct LED	Edge LED
DCI P3		83%
Rec.2020	52
Screen Brightness	300 cd/m²	330 cd/m²
Static Screen Contrast	5000 : 1	3500 : 1
Screen Horizontal Viewing Angle	178 °	170 °
Screen Vertical Viewing Angle	178 °	150 °
Screen Input Lag	20 ms	54 ms
Display Minimum Response Time		6.5 ms
HDR	HDR10 HLG (Hybrid Log Gamma)
3D	No	No
Size, weight, color
Case Depth	3.39 in 8.6 cm 86 mm 0.28 ft	3.27 in 8.3 cm 83 mm 0.27 ft
Case Weight	12.3 kg 27 lbs
Case Width with Stand	48.43 in 123 cm 1230 mm 4.04 ft	48.78 in 123.9 cm 1239 mm 4.06 ft
Case Height with Stand	30.43 in 77.3 cm 773 mm 2.54 ft	33.78 in 85.8 cm 858 mm 2.81 ft
Case Depth with Stand	8.9 in 22.6 cm 226 mm 0.74 ft	6.97 in 17.7 cm 177 mm 0.58 ft
Case Weight with Stand	12.6 kg 28 lbs	17.3 kg 38 lbs
Case Color	Black	Silver
Hardware
System on Chip or SoC	MStar MSD6886	MediaTek MT5657MCEJ
CPU Cores	4	4
TV Tuner	Analog (NTSC/PAL/SECAM) DVB-T DVB-T2 DVB-C DVB-S2 DVB-S	Analog (NTSC/PAL/SECAM) DVB-S2 DVB-T DVB-T2 DVB-S DVB-C
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	LAN Wi-Fi 802.11b (IEEE 802.11b-1999) 802.11g (IEEE 802.11g-2003) 802.11n (IEEE 802.11n-2009) 802.11n 5GHz
Connectivity	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	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
Audio
Audio Speakers	2 x 8W	2 x 10W
Features
OS	VIDAA U3.0	VIDAA 1.0
Cool Features	Anyview Cast Anyview Stream Netflix VEWD Internet browser Noise Reduction HbbTV 2.0.2 4K Upscaling YouTube Amazon Prime Video	Ultra HD Upscaling HDCP (High-bandwidth Digital Content Protection) 2.2 PVR
Ergonomics
Case Width	48.43 in 123 cm 1230 mm 4.04 ft	48.78 in 123.9 cm 1239 mm 4.06 ft
Case Height	28.03 in 71.2 cm 712 mm 2.34 ft	28.23 in 71.7 cm 717 mm 2.35 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	300 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	60 Hz
Screen Interpolation Technology		Smart Motion Rate
Screen Interpolation Value		800
Screen Interpolation Measurement Unit	NULL	SMR
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 55A7100F

Hisense 55K321