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Comparison between Sony XBR-49X850B vs Sony KD-49XF8577

General Info
Model Number Sony XBR-49X850B Sony KD-49XF8577
Price
Type TV TV
Year 2014 2018
Brand Sony Sony
Model Series X85B XF85
Model Number XBR-49X850B KD-49XF8577
Display
Screen Size Class 49" (inches) 49" (inches)
Diagonal Size 48.46 in
123.1 cm
1231 mm
4.04 ft
48.46 in
123.1 cm
1231 mm
4.04 ft
Screen Width 42.24 in
107.3 cm
1072.91 mm
3.52 ft
42.24 in
107.3 cm
1072.91 mm
3.52 ft
Screen Height 23.76 in
60.4 cm
603.512 mm
1.98 ft
23.76 in
60.4 cm
603.512 mm
1.98 ft
Display Manufacturer LG Display
Display Type IPS VA
Display Bit Depth 10 bits (8 bits + FRC) 10 bits
Frame Rate Control Yes 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 0.279 mm 0.279 mm
Screen Pixel Density 91 ppi 91 ppi
Screen-to-Body Ratio 89.14 % 91.57 %
Backlight Source Edge LED Edge LED
DCI P3 85%
Rec.2020 65
Screen Brightness 550 cd/m² 300 cd/m²
Max Screen Brightness 450 cd/m²
Static Screen Contrast 3500 : 1
Dynamic Screen Contrast 1000000 : 1
Screen Horizontal Viewing Angle 178 ° 178 °
Screen Vertical Viewing Angle 178 ° 178 °
Screen Input Lag 13 ms
Display Coating Glossy
HDR HDR10
HLG (Hybrid Log Gamma)
HDR10
HLG (Hybrid Log Gamma)
3D Yes No
Size, weight, color
Case Depth 2.61 in
6.6 cm
66.3 mm
0.22 ft
2.28 in
5.8 cm
58 mm
0.19 ft
Case Weight 18.1 kg
40 lbs
13.2 kg
29 lbs
Case Width with Stand 43.07 in
109.4 cm
1094 mm
3.59 ft
43.23 in
109.8 cm
1098 mm
3.6 ft
Case Height with Stand 27.72 in
70.4 cm
704 mm
2.31 ft
27.68 in
70.3 cm
703 mm
2.31 ft
Case Depth with Stand 8.86 in
22.5 cm
225 mm
0.74 ft
10.98 in
27.9 cm
279 mm
0.92 ft
Case Weight with Stand 18.6 kg
41 lbs
13.7 kg
30 lbs
Case Color Black Silver
Hardware
System on Chip or SoC MediaTek MT5891
CPU ARM Cortex-A53
CPU Cores 2 4
CPU Frequency 1100
GPU ARM Mali-T860 MP2
GPU Cores 2
GPU Frequency 700
RAM Memory Size 2
Internal Storage 16
TV Tuner Analog (NTSC/PAL/SECAM)
ATSC
Clear QAM
Analog (NTSC/PAL/SECAM)
DVB-T
DVB-T2
DVB-S2
DVB-S
DVB-C
Built-in Camera Yes 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
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)
Bluetooth
Wi-Fi Direct
DLNA
Connectivity 4 x HDMI 2.0 (ARC; CEC; MHL)
1 x Satellite In (Main; F-type female)
1 x AV Component In (YPbPr + L/R)
1 x 3.5 mm Audio Out
1 x Optical Audio Out
1 x AV Composite In (Video + L/R)
3 x USB 2.0
1 x RS232 (C)
1 x Ethernet RJ45
1 x IR Out
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 (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
Features
OS Smart TV.3 Android 7.0 Nougat
Android 8.0 Oreo
Cool Features BRAVIA Sync (HDMI-CEC)
ClearAudio+
S-Force Front Surround sound
Dynamic Backlight Control
HDCP (High-bandwidth Digital Content Protection)
X-tended Dynamic Range
Social Viewing
Frame Dimming
Clear Phase Speaker
4K X-Reality Pro
Triluminos Display
Light sensor
Backlight OFF mode
NFC
ClearAudio+
Triluminos Display
Super Bit mapping 4K HDR
Voice command
Clear Phase Speaker
Light sensor
Dynamic Backlight Control
Frame Dimming
S-Force Front Surround sound
Live Color Technology
Dynamic Contrast Enhancer
DSEE (Digital Sound Enhancement Engine)
4K X-Reality Pro
Object-based HDR remaster
HDCP (High-bandwidth Digital Content Protection) 2.2
BRAVIA Sync (HDMI-CEC)
Image Processor - X1
Ergonomics
Case Width 43.07 in
109.4 cm
1094 mm
3.59 ft
43.23 in
109.8 cm
1098 mm
3.6 ft
Case Height 26.14 in
66.4 cm
664 mm
2.18 ft
25.35 in
64.4 cm
644 mm
2.11 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 120 Hz
Screen Interpolation Technology Motionflow XR Motionflow XR
Screen Interpolation Value 240 1000
Screen Interpolation Measurement Unit XR XR
Accessories
Extras 2 x 3D active glasses - TDG-BT500P
IR extender cable
Remote control - RM-YD102; RMF-YD003
IR extender cable
Certificates and Standards
Licenses 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 -15 °C - 45 °C
5 °F - 113 °F
Internal Storage Humidity 10 % - 90 %
Sony XBR-49X850B Sony KD-49XF8577