Comparison between Xiaomi Mi TV 4X 55" vs Sony KDL-40R455B

General Info
Model Number	Xiaomi Mi TV 4X 55"	Sony KDL-40R455B

Price	Check on Amazon	Check on Amazon
Type	TV	TV
Year	2018	2014
Brand	Xiaomi	Sony
Model Series		R4B
Model Number	Mi TV 4X 55"	KDL-40R455B
Alias		KDL-40R453B KDL-40R450B
Display
Screen Size Class	55" (inches)	40" (inches)
Diagonal Size	54.65 in 138.8 cm 1388 mm 4.55 ft	40 in 101.6 cm 1016 mm 3.33 ft
Screen Width	47.62 in 121 cm 1209.6 mm 3.97 ft	34.87 in 88.6 cm 885.6 mm 2.91 ft
Screen Height	26.79 in 68 cm 680.4 mm 2.23 ft	19.61 in 49.8 cm 498.15 mm 1.63 ft
Display Curvature		1500
Display Type		VA
Display Bit Depth		8 bits (6 bits + FRC)
Frame Rate Control		Yes
Max Number of Colors		16777216
Bits		24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	3840 x 2160	1920 x 1080
Screen Pixel Pitch	0.315 mm	0.461 mm
Screen Pixel Density	80 ppi	55 ppi
Screen-to-Body Ratio	91.75 %	85.69 %
Backlight Source	Direct LED	W-LED
sRGB		105 %
NTSC 1953		91 %
Screen Brightness		350 cd/m²
Static Screen Contrast		3000 : 1
Dynamic Screen Contrast		1000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Average Response Time	8 ms
3D	No	No
Size, weight, color
Case Depth		3.5 in 8.9 cm 89 mm 0.29 ft
Case Weight	12.7 kg 28 lbs	7 kg 15 lbs
Case Width with Stand	48.9 in 124.2 cm 1242 mm 4.07 ft	36.46 in 92.6 cm 926 mm 3.04 ft
Case Height with Stand	30.55 in 77.6 cm 776 mm 2.55 ft	22.99 in 58.4 cm 584 mm 1.92 ft
Case Depth with Stand	9.71 in 24.7 cm 246.7 mm 0.81 ft	6.89 in 17.5 cm 175 mm 0.57 ft
Case Weight with Stand	13 kg 29 lbs	7.4 kg 16 lbs
Case Color	Black	Black
Hardware
CPU	ARM Cortex-A53
CPU Cores	4
CPU Frequency	1500
GPU	ARM Mali-450
GPU Frequency	750
RAM Memory Size	2
Internal Storage	8
TV Tuner	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	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) Wi-Fi Direct DLNA
Connectivity	3 x HDMI 2.0 (ARC; CEC) 1 x AV Composite In (Video + L/R) 1 x S/PDIF 1 x Antenna (RF) (Female) 1 x AV Component In (YPbPr + L/R) 2 x USB 2.0 1 x Ethernet RJ45	2 x HDMI 1.4 (ARC; CEC; MHL) 1 x Satellite In (Main; F-type female) 1 x CI+ 1 x AV Composite In (Video + L/R) 1 x Optical Audio Out 1 x AV Component In (YPbPr + L/R) 1 x SCART 1 x USB 2.0 1 x 3.5 mm Audio Out 1 x Ethernet RJ45 1 x Antenna (RF) (female)
Audio
Audio Speakers	2 x 8W	2 x 8W
Features
OS	MIUI TV
Cool Features	HDCP (High-bandwidth Digital Content Protection) 2.2 Voice command	ClearAudio+ Clear Phase Speaker Dynamic Backlight Control Backlight OFF mode BRAVIA Sync (HDMI-CEC)
Extra Features		Security lock slot
Ergonomics
Case Width	48.9 in 124.2 cm 1242 mm 4.07 ft	36.46 in 92.6 cm 926 mm 3.04 ft
Case Height	28.43 in 72.2 cm 722.2 mm 2.37 ft	21.89 in 55.6 cm 556 mm 1.82 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	300 x 300	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	60 Hz	60 Hz
Horizontal Digital Frequency		30 kHz - 99 kHz
Screen Interpolation Technology		Motionflow XR
Screen Interpolation Value		100
Screen Interpolation Measurement Unit		XR
Accessories
Extras	Remote control - AI Mi Remote	Remote control - RM-ED062
Certificates and Standards
Licenses		UL/cUL
Usage and Storage Requirements
Safe Operating Temperature Level		0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level		10 % - 80 %
Internal Storage Temperature		-25 °C - 55 °C -13 °F - 131 °F
Internal Storage Humidity		5 % - 93 %
Max Operating Altitude		5000
Max Storage Altitude		12192

Xiaomi Mi TV 4X 55"

Sony KDL-40R455B