Comparison between Sony KD-77AG9 vs Sony KD-55XG8196

General Info
Model Number	Sony KD-77AG9	Sony KD-55XG8196

Price	Check on Amazon	Check on Amazon
Type	TV	TV
Year	2019	2019
Brand	Sony	Sony
Model Series	AG9	XG81
Model Number	KD-77AG9	KD-55XG8196
Display
Screen Size Class	77" (inches)	55" (inches)
Diagonal Size	77.01 in 195.6 cm 1956 mm 6.42 ft	54.65 in 138.8 cm 1388 mm 4.55 ft
Screen Width	67.12 in 170.5 cm 1704.8 mm 5.59 ft	47.63 in 121 cm 1209.75 mm 3.97 ft
Screen Height	37.75 in 95.9 cm 958.951 mm 3.15 ft	26.79 in 68 cm 680.483 mm 2.23 ft
Display Manufacturer	LG Display
Display Type	OLED	IPS
Display Bit Depth	10 bits	10 bits (8 bits + FRC)
Frame Rate Control	No	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	0.444 mm	0.315 mm
Screen Pixel Density	57 ppi	81 ppi
Screen-to-Body Ratio	95.37 %	92 %
Backlight Source	W-LED	Direct LED
DCI P3	99%
Adobe RGB 1998		95 %
Screen Brightness	300 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	10000000 : 1	50000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	1 ms	1 ms
Display Average Response Time	14 ms	5 ms
HDR	Dolby Vision HDR10 HLG (Hybrid Log Gamma)	HDR10 HLG (Hybrid Log Gamma)
3D	No	No
Size, weight, color
Case Depth	1.93 in 4.9 cm 49 mm 0.16 ft	3.11 in 7.9 cm 79 mm 0.26 ft
Case Weight	35.3 kg 78 lbs	16.1 kg 35 lbs
Case Width with Stand	67.76 in 172.1 cm 1721 mm 5.65 ft	48.86 in 124.1 cm 1241 mm 4.07 ft
Case Height with Stand	39.41 in 100.1 cm 1001 mm 3.28 ft	30.87 in 78.4 cm 784 mm 2.57 ft
Case Depth with Stand	11.89 in 30.2 cm 302 mm 0.99 ft	13.27 in 33.7 cm 337 mm 1.11 ft
Case Weight with Stand	39.7 kg 87 lbs	17.3 kg 38 lbs
Case Color	Black	Black
Hardware
System on Chip or SoC	MediaTek MT5893	MediaTek MT5596
CPU	ARM Cortex-A73	ARM Cortex-A53
CPU Cores	4	4
CPU Frequency	1500	1100
GPU	ARM Mali-G71	ARM Mali-T860 MP2
GPU Cores	2	2
GPU Frequency	700	700
RAM Memory Size	2.5	3
Internal Storage	16	16
TV Tuner	Analog (NTSC/PAL/SECAM) DVB-T DVB-T2 DVB-C DVB-S DVB-S2	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) Wi-Fi Direct DLNA Bluetooth 4.2	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) Wi-Fi Direct DLNA Bluetooth 4.1
Connectivity	1 x Ethernet RJ45 4 x HDMI 2.0 (eARC; CEC) 1 x IR Out 1 x Satellite In (Sub; F-type female) 1 x Optical Audio Out 1 x AV Composite In 3.5 mm jack 1 x Satellite In (Main; F-type female) 2 x USB 2.0 (max 0.5 A) 1 x 3.5 mm Audio Out 1 x USB 3.0 (max 0.9 A) 1 x Antenna (RF) (female)	1 x Ethernet RJ45 4 x HDMI 2.0 (eARC; CEC) 1 x IR Out 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) 2 x USB 2.0 (max 0.5 A) 1 x Antenna (RF) (female) 1 x USB 3.0 (max 0.9 A) 1 x CI+ 1.4
Audio
Audio Speakers	2 x 20W	2 x 10W
Built-in Subwoofer	2 x 10
Features
OS	Android 8.0 Oreo Android 9.0 Pie	Android 8.0 Oreo Android 9.0 Pie
Cool Features	Voice command ClearAudio+ S-Force Front Surround sound PVR Super Bit mapping 4K HDR Clear Phase Speaker Live Color Technology Dynamic Contrast Enhancer HDCP (High-bandwidth Digital Content Protection) 2.3 Precision Color Mapping Object-based HDR remaster Triluminos Display Dual Database Processing DSEE (Digital Sound Enhancement Engine) 4K X-Reality Pro Pixel Contrast Booster Image Processor - X1 Ultimate BRAVIA Sync (HDMI-CEC) Light sensor	ClearAudio+ Voice command Clear Phase Speaker Live Color Technology Dynamic Backlight Control Frame Dimming Triluminos Display PVR Dynamic Contrast Enhancer Dual database processing 4K X-Reality Pro S-Force Front Surround sound HDCP (High-bandwidth Digital Content Protection) 2.3 BRAVIA Sync (HDMI-CEC) Light sensor
Extra Features	Security lock slot	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	67.76 in 172.1 cm 1721 mm 5.65 ft	48.86 in 124.1 cm 1241 mm 4.07 ft
Case Height	39.21 in 99.6 cm 996 mm 3.27 ft	28.39 in 72.1 cm 721 mm 2.37 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
Forward Tilt	5 °
Backward Tilt	20 °
Frequency and Interpolation
Vertical Digital Frequency	120 Hz	60 Hz
Horizontal Digital Frequency	30 kHz - 86 kHz
Screen Interpolation Technology		Motionflow XR
Screen Interpolation Value		400
Screen Interpolation Measurement Unit		XR
Accessories
Extras	IR extender cable	IR extender cable
Certificates and Standards
Licenses	ENERGY STAR UL/cUL	ENERGY STAR UL/cUL
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °F	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	10 % - 80 %	10 % - 80 %
Internal Storage Temperature	-20 °C - 65 °C -4 °F - 149 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	10 % - 90 %

Sony KD-77AG9

Sony KD-55XG8196