Comparison between Sony XBR-55X850G vs Sony XBR-55A8F

General Info
Model Number	Sony XBR-55X850G	Sony XBR-55A8F

Price	Check on Amazon	Check on Amazon
Type	TV	TV
Year	2019	2018
Brand	Sony	Sony
Model Series	X850G	A8F
Model Number	XBR-55X850G	XBR-55A8F
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 Curvature	1600
Display Manufacturer		LG Display
Display Type	VA	OLED
Display Bit Depth	10 bits	10 bits
Frame Rate Control	Yes	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	93.79 %	94.31 %
Backlight Source	Edge LED	W-LED
DCI P3	95%	99%
Rec.2020	70	76
Screen Brightness	350 cd/m²	300 cd/m²
Max Screen Brightness	600 cd/m²	800 cd/m²
Static Screen Contrast	1200 : 1	1000 : 1
Dynamic Screen Contrast	50000000 : 1	50000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	14 ms	21 ms
Display Minimum Response Time	5 ms	1 ms
Display Average Response Time		14 ms
HDR	Dolby Vision HDR10 HLG (Hybrid Log Gamma)	Dolby Vision HDR10 HLG (Hybrid Log Gamma)
3D	No	No
Size, weight, color
Case Depth	2.05 in 5.2 cm 52 mm 0.17 ft	2.17 in 5.5 cm 55 mm 0.18 ft
Case Weight	18.7 kg 41 lbs	18.7 kg 41 lbs
Case Width with Stand	48.46 in 123.1 cm 1231 mm 4.04 ft	48.27 in 122.6 cm 1226 mm 4.02 ft
Case Height with Stand	30.55 in 77.6 cm 776 mm 2.55 ft	28.23 in 71.7 cm 717 mm 2.35 ft
Case Depth with Stand	12.44 in 31.6 cm 316 mm 1.04 ft	10.04 in 25.5 cm 255 mm 0.84 ft
Case Weight with Stand	19.7 kg 43 lbs	22.2 kg 49 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	3	2
Internal Storage	16	16
TV Tuner	Analog (NTSC/PAL/SECAM) ATSC Clear QAM	Analog (NTSC/PAL/SECAM) ATSC Clear QAM
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 AV Composite In 3.5 mm jack 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 RS232 (C) 1 x USB 3.0 (max 0.9 A) 1 x IR Out	1 x Ethernet RJ45 4 x HDMI 2.0 (ARC; CEC) 1 x AV Composite In 3.5 mm jack 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 RS232 (C) 1 x USB 3.0 (max 0.9 A) 1 x IR Out
Audio
Audio Speakers	2 x 10W	2 x 10W
Built-in Subwoofer		1 x 10
Features
OS	Android 8.0 Oreo Android 9.0 Pie	Android 7.0 Nougat Android 8.0 Oreo
Cool Features	ClearAudio+ Triluminos Display S-Force Front Surround sound Voice command Clear Phase Speaker Image Processor - X1 Dual database processing Dynamic Contrast Enhancer Object-based HDR remaster Light sensor Dynamic Backlight Control DSEE (Digital Sound Enhancement Engine) 4K X-Reality Pro Live Color Technology Frame Dimming BRAVIA Sync (HDMI-CEC) HDCP (High-bandwidth Digital Content Protection) 2.3	Voice command ClearAudio+ Super Bit mapping 4K HDR S-Force Front Surround sound S-Force Front Surround sound Clear Phase Speaker Live Color Technology Dynamic Contrast Enhancer HDCP (High-bandwidth Digital Content Protection) 2.2 PVR Object-based HDR remaster Triluminos Display 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	Security lock slot	Security lock slot
Ergonomics
Case Width	48.46 in 123.1 cm 1231 mm 4.04 ft	48.27 in 122.6 cm 1226 mm 4.02 ft
Case Height	28.07 in 71.3 cm 713 mm 2.34 ft	28.03 in 71.2 cm 712 mm 2.34 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	200 x 300	200 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
Forward Tilt	2 °	5 °
Backward Tilt	10 °	20 °
Frequency and Interpolation
Vertical Digital Frequency	120 Hz	120 Hz
Horizontal Digital Frequency	52.3 kHz - 108.3 kHz	30 kHz - 83 kHz
Screen Interpolation Technology	Motionflow XR
Screen Interpolation Value	960
Screen Interpolation Measurement Unit	XR
Accessories
Extras	IR extender cable	IR extender cable Remote control - RMF-TX220U
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	-25 °C - 55 °C -13 °F - 131 °F	-25 °C - 55 °C -13 °F - 131 °F
Internal Storage Humidity	5 % - 93 %	5 % - 93 %
Max Operating Altitude	5000	5000
Max Storage Altitude	12192	12192

Sony XBR-55X850G

Sony XBR-55A8F