Comparison between Sony KD-55AG9 vs Sony KD-55A1

General Info
Model Number	Sony KD-55AG9	Sony KD-55A1

Price	Check on Amazon	Check on Amazon
Type	TV	TV
Year	2019	2017
Brand	Sony	Sony
Model Series	AG9	A1
Model Number	KD-55AG9	KD-55A1
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	47.63 in 121 cm 1209.75 mm 3.97 ft	47.63 in 121 cm 1209.75 mm 3.97 ft
Screen Height	26.79 in 68 cm 680.483 mm 2.23 ft	26.79 in 68 cm 680.483 mm 2.23 ft
Display Manufacturer	LG Display	LG Display
Display Type	OLED	OLED
Display Bit Depth	10 bits	10 bits
Frame Rate Control	No	No
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	81 ppi	81 ppi
Screen-to-Body Ratio	94.57 %	94.29 %
Backlight Source	W-LED	Direct LED
DCI P3	99%	100%
Rec.2020	75	75
Screen Brightness	300 cd/m²	400 cd/m²
Max Screen Brightness	700 cd/m²	700 cd/m²
Static Screen Contrast	1000 : 1
Dynamic Screen Contrast		1000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	25 ms	30 ms
Display Minimum Response Time	1 ms
Display Average Response Time	5 ms
HDR	Dolby Vision HDR10 HLG (Hybrid Log Gamma)	Dolby Vision HDR10 HLG (Hybrid Log Gamma)
3D	No	No
Size, weight, color
Case Depth	1.57 in 4 cm 40 mm 0.13 ft	3.39 in 8.6 cm 86 mm 0.28 ft
Case Weight	18.7 kg 41 lbs	25 kg 55 lbs
Case Width with Stand	48.27 in 122.6 cm 1226 mm 4.02 ft	48.35 in 122.8 cm 1228 mm 4.03 ft
Case Height with Stand	28.11 in 71.4 cm 714 mm 2.34 ft	27.99 in 71.1 cm 711 mm 2.33 ft
Case Depth with Stand	10.04 in 25.5 cm 255 mm 0.84 ft	13.35 in 33.9 cm 339 mm 1.11 ft
Case Weight with Stand	22.3 kg 49 lbs	28.8 kg 63 lbs
Case Color	Black	Black
Hardware
System on Chip or SoC	MediaTek MT5893	MediaTek MT5891
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	2
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) Bluetooth Wi-Fi Direct DLNA
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 (ARC; CEC) 1 x CI+ 1.3 1 x Satellite In (Sub; F-type female) 1 x Optical Audio Out 1 x IR 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)
Audio
Audio Speakers	2 x 20W	2 x 10W
Built-in Subwoofer	2 x 10	1 x 10
Features
OS	Android 8.0 Oreo Android 9.0 Pie	Android 6.0.1 Marshmallow Android 7.0 Nougat Android 8.0 Oreo
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+ Super Bit Mapping 4K HDR S-Force Front Surround sound Triluminos Display Clear Phase Speaker Live Color Technology Dynamic Contrast Enhancer HDCP (High-bandwidth Digital Content Protection) 2.2 PVR Object-based HDR remaster Voice command Dual Database Processing DSEE (Digital Sound Enhancement Engine) 4K X-Reality Pro Precision Color Mapping Image Processor - X1 Extreme BRAVIA Sync (HDMI-CEC) Light sensor
Extra Features	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	48.27 in 122.6 cm 1226 mm 4.02 ft	48.35 in 122.8 cm 1228 mm 4.03 ft
Case Height	27.95 in 71 cm 710 mm 2.33 ft	27.99 in 71.1 cm 711 mm 2.33 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	300 x 300	400 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	10 °
Backward Tilt	29 °
Frequency and Interpolation
Vertical Digital Frequency	120 Hz	120 Hz
Screen Interpolation Technology		Active Motion
Screen Interpolation Value		100
Screen Interpolation Measurement Unit		AM
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 - 60 °C -4 °F - 140 °F

Sony KD-55AG9

Sony KD-55A1