Sony is one of the better rated TV brands according to average reviews from experts and owners, and Sony also has good ratings for its 4K and 8K TVs.
The KD-55X8509 is 3D compatible, which is unusual. Most of the other televisions of this age and spec are not 3D compatible.
We think you might also be interested in some of the other 3D compatible televisions currently available including a cheaper TV such as the Panasonic TX-55CX400[plb_2955151_price] or you might consider a higher scoring TV such as the Sony KD-65S8005[plb_2986581_price].
If you want a TV that is 3D compatible then you might want to consider the LG 55UF860[plb_2834087_price].
Supports Smart TV Features
The KD-55X8509 supports smart TV features, as do most of the other TVs that were launched more than a year ago.
We compared all the other TVs which support smart TV features to this TV and we think the Sony KD-49X8307[plb_2796458_price] which is cheaper; or the Samsung UE40JU6510[plb_2827582_price] which has better reviews are also worth considering.
There are a number of alternative TVs which also support smart TV features which you might want to consider including the LG 55UF860[plb_2834087_price].
Has a WiFi Connection
Like most of the other 4K and 8K TVs that came out around the same time as the KD-55X8509, the KD-55X8509 has a WiFi connection.
Other TVs with a WiFi connection currently available which you might also want to consider include a cheaper TV such as the Sony KD-49X8307[plb_2796458_price] or you might consider a higher scoring TV such as the Samsung UE40JU6510[plb_2827582_price].
Other TVs which also have a WiFi connection that you might also want to consider include the LG 55UF860[plb_2834087_price].
Two Composite Video in Ports
The KD-55X8509 has more composite video in ports than most of the 4K and 8K TVs that have been on the market for around the same time as the KD-55X8509. Most of the 4K and 8K TVs that have been on the market for around the same time as the KD-55X8509 only have one composite video in port, however this Sony television has two composite video in ports.
2 HDMI Version
This TV has a 2 HDMI version, which is typical of many televisions that have been around for around the same time as it.
+4 More reasons for
3 MHL Version
The KD-55X8509 supports a 3 MHL version which is newer than the 1.3 MHL version supported by most TVs of this age and type.
A 3 MHL version is in fact the best supported MHL version across all TVs of a similar age and type to the KD-55X8509.
A 1.3 MHL version is the worst supported MHL version across comparable types of TV.
Quite Fast Motion Interpolation Frequency
With a motion interpolation frequency of 1,000 hertz, the KD-55X8509 has one of the faster motion interpolation frequencies amongst 4K and 8K TVs of this age. The motion interpolation frequencies of 4K and 8K TVs that have been available for a similar time to the KD-55X8509 range from 100Hz to 2,400Hz.
Has Five Smart Modes
The number of smart modes found on the KD-55X8509 is more than most similar spec TVs that were launched around the same time as it. The most frequently found smart mode is Game, but this smart mode is not found on this TV. The smart modes Movie, Personal, Photo, Standard and Vivid are also found on this television.
3 Reasons Against
Does Not Have a Built-In Camera
Most 4K and 8K TVs that are a similar age to the KD-55X8509 do not have a built-in camera. The Sony KD-55X8509 is no exception to this as it too does not have a built-in camera.
Very Slow Refresh Rate
With a refresh rate of only 100 hertz, the KD-55X8509 has a fairly slow refresh rate compared to most of the other televisions of this age and spec. Across all the 4K and 8K TVs that are a similar age to the KD-55X8509 the refresh rates range from 50Hz to 2,000Hz.
If you want a faster refresh rate then you might also want to consider the TX-55CX680[pl_2800952_price] (200Hz and higher rated), or the TX-50CX680[pl_2800986_price] (200Hz and higher rated) both from Panasonic or the Hisense LTDN50K321[plb_2936927_price] (800Hz and cheaper).
Does Not Feature OLED Technology
Like most of the other 4K and 8K TVs that have been on the market for a comparable time to the KD-55X8509, the KD-55X8509 does not feature OLED technology.
3 Other reasons to consider the Sony KD-55X8509
4K Ultra HD HD Type
The display resolution of this TV is 4K Ultra HD, which is typical of many TVs of this age and type. 4K Ultra HD TVs have a resolution of 3840 x 2160 pixels.
4K Ultra HD TVs have a resolution of 3840 x 2160 pixels.
Released Over a Year Ago
Sony released the KD-55X8509 over a year ago.
At 60 millimeters, the KD-55X8509 has a fairly average thickness compared to most of the other 4K and 8K TVs that came out more than a year ago.
Alternative 60mm thick TVs currently available that you might also want to look at include the Sony KD-49X8305[plb_2796114_price] which has better reviews; or the Sony KD-49X8307[plb_2796458_price] which is cheaper.
Digital, Digital Plus, Digital, Pulse, Digital Pulse, Digital
Movie, Music, Sports, Standard
Audio Decoding Technologies
Dolby Digital Plus, Dolby Digital Pulse
Ports & Interfaces
Common Interface Plus (CI+)
Ethernet LAN (RJ-45) Ports
RF Ports Quantity
SCART Ports Quantity
Composite Video in
Component Video (YPbPr/YCbCr) in
USB 2.0 Ports Quantity
HDMI Ports Quantity
CardBus PCMCIA Slots Quantity
Mobile High-Definition Link (MHL)
Audio (L,R) Out
Near Field Communication (NFC)
Movie, Personal, Photo, Standard, Vivid
On Screen Display (OSD)
Electronic Programme Guide (EPG)
On Screen Display (OSD) Languages
BUL, CAT, CRO, DAN, ENG, ESP, EST, FIN, FRE, GRE, HEB, HUN, ITA, KAZ, LAT, LIT, NOR, POL, POR, RUM, RUS, SER, SLV, SWE, TUR, UKR
Wide Color Enhancer
Ambient Light Sensor
Screen Saving Functions
Picture Processing Technology
Samsung Wide Color Enhancer
Colour of Product
VESA Mounting Interfaces
300 x 300
Power Consumption (typical)
Power Consumption (standby)
Energy Efficiency Class
AC Input Voltage
20-24, 220 - 240
Digital Living Network Alliance (DLNA) Certified
Weight & Dimensions
Weight With Stand
Depth (with Stand)
Height (with Stand)
Width (with Stand)
3D Glasses Included
Handheld Remote Control
4K X-Reality Pro
Hours of Use Per Day: hours
Show running costs over: years
Electricity cost when switched on
Electricity cost when on standby
@ $0.10555233 per kwh - Edit electricity price and usage
kwh per hour
kwh per hour left on standby
Electricity price $per kilowatt hour
Annual electricity price inflation %
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Water cost when switched on
@ $0.0015066844 per litre - Edit water usage and price
litres per hour
Water price $per litre
Annual water price inflation %
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Submit Energy Consumption Figures
Total running cost over 5 years
Running costs for this TV have been estimated based on other similar TVs. If you know how much electricity and water the Sony KD-55X8509uses then please let us know by entering those figures in the boxes above.
Running this TV over 5 years will generate 0.93 tonnes of carbon dioxide (CO2).
To offset that much CO2 you would need to plant 24 tree seedlings and grow them for 10 years.
Previous and future annual running costs of the Sony KD-55X8509 assuming future electricity price inflation of 0.0600% per year. Edit inflation assumptions
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