Comparison between Sony KD-55A1 vs Sony KD-55A8

General Info
Model Number	Sony KD-55A1	Sony KD-55A8

Price	Check on Amazon	Check on Amazon
Type	TV	TV
Year	2017	2020
Brand	Sony	Sony
Model Series	A1	A8
Model Number	KD-55A1	KD-55A8
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	47.62 in 121 cm 1209.6 mm 3.97 ft
Screen Height	26.79 in 68 cm 680.483 mm 2.23 ft	26.79 in 68 cm 680.4 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	80 ppi
Screen-to-Body Ratio	94.29 %	94.21 %
Backlight Source	Direct LED
DCI P3	100%
Rec.2020	75
Screen Brightness	400 cd/m²
Max Screen Brightness	700 cd/m²
Dynamic Screen Contrast	1000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	30 ms
HDR	Dolby Vision HDR10 HLG (Hybrid Log Gamma)	Dolby Vision HDR10 HLG (Hybrid Log Gamma)
3D	No	No
Size, weight, color
Case Depth	3.39 in 8.6 cm 86 mm 0.28 ft	2.05 in 5.2 cm 52 mm 0.17 ft
Case Weight	25 kg 55 lbs	16.8 kg 37 lbs
Case Width with Stand	48.35 in 122.8 cm 1228 mm 4.03 ft	48.31 in 122.7 cm 1227 mm 4.03 ft
Case Height with Stand	27.99 in 71.1 cm 711 mm 2.33 ft	28.86 in 73.3 cm 733 mm 2.4 ft
Case Depth with Stand	13.35 in 33.9 cm 339 mm 1.11 ft	12.83 in 32.6 cm 326 mm 1.07 ft
Case Weight with Stand	28.8 kg 63 lbs	18.6 kg 41 lbs
Case Color	Black	Black
Hardware
System on Chip or SoC	MediaTek MT5891
CPU	ARM Cortex-A53
CPU Cores	4	4
CPU Frequency	1100
GPU	ARM Mali-T860 MP2
GPU Cores	2
GPU Frequency	700
RAM Memory Size	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-S2 DVB-S
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 DLNA	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
Connectivity	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)	1 x Ethernet RJ45 4 x HDMI 2.0 (CEC) 1 x CI+ 1.4 1 x Satellite In (Sub; F-type female) 1 x Optical Audio Out 1 x IR Out 1 x AV Composite In (Video + L/R) 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 10W	2 x 10W
Built-in Subwoofer	1 x 10	2 x 5
Features
OS	Android 6.0.1 Marshmallow Android 7.0 Nougat Android 8.0 Oreo	Android 9.0 Pie
Cool Features	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	TRILUMINOS Display Apple AirPlay Pixel Contrast Booster Object-based Super Resolution Voice command Precision Color Mapping Apple HomeKit Light Sensor Dual Database Processing Google Assistant Object-based HDR remaster Live Color Technology Super Bit Mapping HDR Dynamic Contrast Enhancer X-Motion Clarity Chromecast Built-in 4K X-Reality Pro Netflix Calibrated Mode Image Processor - X1 Ultimate Alexa IMAX Enhanced
Extra Features		One Slate Design
Ergonomics
Case Width	48.35 in 122.8 cm 1228 mm 4.03 ft	48.31 in 122.7 cm 1227 mm 4.03 ft
Case Height	27.99 in 71.1 cm 711 mm 2.33 ft	28.03 in 71.2 cm 712 mm 2.34 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	400 x 200	300 x 300
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	120 Hz	100 Hz / 120 Hz
Screen Interpolation Technology	Active Motion	Motion Clarity Index
Screen Interpolation Value	100
Screen Interpolation Measurement Unit	AM	MCI
Accessories
Extras	IR extender cable	Voice remote control
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 %

Sony KD-55A1

Sony KD-55A8