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Sharp 55GK4245K

55-inch · UK Plug · Sharp UK catalogue

Screen diagonal
55 in
Manufacturer-listed display technology
LED backlight; LCD cell subtype not specified in this field.
Native resolution
3840 x 2160

Sharp 55GK4245K is a 55-inch 3840 x 2160 television listed with TiVo OS. Its manufacturer Display Systems table gives a maximum 60 Hz panel-refresh specification, separately from the Active Motion processing index.

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THE ACTUAL PRODUCT
Sharp 55GK4245K television, official exact-model product image.
Official product image · Image source detailsProduct imagery does not establish a retailer’s bundle or condition.
Compare with Sharp 55GM6245K

Specifications checked 17 Oct 2026Manufacturer specifications, not a hands-on test.

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Sharp 55GM6245K television, official exact-model product image.Sharp 55GM6245K55GM6245K · 55-inch · UK Plug · Sharp UK catalogue
Inputs and connections
Antenna Input; Satellite Input; 3 × HDMI 4K @ 60 Hz (2.1); 2 × USB; 3.5mm Headphone jack / line-out; RJ 45 (LAN – 10BASE-T/100BASE-TX); Remote Control (IR+BLE); Bluetooth; Mini Composite/CVBS + Audio input; Digital Optical Audio OutputThis one: Antenna Input; Satellite Input; 3 × HDMI 4K @ 60 Hz (2.1); 2 × USB; 3.5mm Headphone jack / line-out; RJ 45 (LAN – 10BASE-T/100BASE-TX); Remote Control (IR); Bluetooth; Mini Composite/CVBS + Audio input; Digital Optical Audio Output
Sharp 55HJ6225K television, official exact-model product image.Sharp 55HJ6225K55HJ6225K · 55-inch · UK Plug · Sharp UK catalogue
Inputs and connections
Antenna Input; Satellite Input; 3 × HDMI 4K @ 60 Hz (2.1); 2 × USB; 3.5mm Headphone jack / line-out; RJ 45 (LAN – 10BASE-T/100BASE-TX); Remote Control (IR); Digital Optical Audio Output; Video/Audio input (3 x RCA)This one: Antenna Input; Satellite Input; 3 × HDMI 4K @ 60 Hz (2.1); 2 × USB; 3.5mm Headphone jack / line-out; RJ 45 (LAN – 10BASE-T/100BASE-TX); Remote Control (IR); Bluetooth; Mini Composite/CVBS + Audio input; Digital Optical Audio Output
Smart platform
Roku TVThis one: TiVo OS
Sharp 55HJ6025K television, official exact-model product image.Sharp 55HJ6025K55HJ6025K · 55-inch · UK Plug · Sharp UK catalogue
Inputs and connections
Antenna Input; Satellite Input; 3 × HDMI 4K @ 60 Hz (2.1); 2 × USB; 3.5mm Headphone jack / line-out; RJ 45 (LAN – 10BASE-T/100BASE-TX); Remote Control (IR); Digital Optical Audio Output; Video/Audio input (3 x RCA)This one: Antenna Input; Satellite Input; 3 × HDMI 4K @ 60 Hz (2.1); 2 × USB; 3.5mm Headphone jack / line-out; RJ 45 (LAN – 10BASE-T/100BASE-TX); Remote Control (IR); Bluetooth; Mini Composite/CVBS + Audio input; Digital Optical Audio Output
Smart platform
Roku TVThis one: TiVo OS
The useful part.

Key strengths

The 55-inch screen and 3840 x 2160 resolution are paired with the listed TiVo OS platform. Inputs, stand dimensions and mounting details are retained for checking your setup.

The checks that matter.

Before you buy

Motion indices, HDR format support and audio-processing claims are not independent picture or sound-quality measurements. Check exact input-mode requirements, app availability and the regional plug configuration before buying.

Every specification. With its source.

Full specifications

Exact configuration: 55GK4245K · 55-inch · UK Plug · Sharp UK catalogue

66 specifications in 8 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.

Screen & picture

7 items
Screen diagonal
55 inSource
Manufacturer-listed display technology
LED backlight; LCD cell subtype not specified in this field.

The official display table names the backlight technology. No IPS, VA or OLED subtype inferred.

Source
Native resolution
3840 x 2160Source
Diagonal Screen Size cm
139Source
Dynamic Contrast
1 000 000:1Source
Colour Gamut
StandardSource
Gift Box, 4 Colour
YesSource

Refresh & gaming modes

3 items
Published maximum panel refresh rate
60 Hz

Exact manufacturer Display Systems field: Maximum refresh rate (Hz). Active Motion and frame interpolation are separate processing claims; not used as panel Hz. Variable-refresh input limits remain separate.

Source
Auto Low Latency Mode (ALLM)
YesSource
Manufacturer Active Motion index
400

Manufacturer motion-processing index, not a refresh frequency or independent motion-clarity score.

Source

Connections & tuners

20 items
Inputs and connections
Antenna Input; Satellite Input; 3 × HDMI 4K @ 60 Hz (2.1); 2 × USB; 3.5mm Headphone jack / line-out; RJ 45 (LAN – 10BASE-T/100BASE-TX); Remote Control (IR); Bluetooth; Mini Composite/CVBS + Audio input; Digital Optical Audio Output

Manufacturer-listed connections. Connector version or ARC/CEC support does not establish every gaming input mode. Source field: Antenna Input. Source field: Satellite Input. Source field: HDMI 4K @ 60 Hz (2.1). Source field: USB. Source field: 3.5mm Headphone jack / line-out. Source field: RJ 45 (LAN – 10BASE-T/100BASE-TX). Source field: Remote Control. Source field: Bluetooth. Source field: Mini Composite/CVBS + Audio input. Source field: Digital Optical Audio Output.

Source
Digital tuners
DVB-T/T2/C/S/S2 (MPEG4 + H.265/HEVC (10-bit))Source
USB Video
MKV, MP4, MOV, AVI, MPG, MPEG, 3GP, 3GPP, ASF, FLV, WEBM, VOB, DAT, TS, TRP, TPSource
USB Music
MP3, M4A, AAC, AC3, EAC3, DTS, WAV, FLAC, LPCMSource
USB Photo
JPG, JPEG, BMP, PNG, GIF, MPOSource
Media Network Streaming (Video, Photo, Music)
Yes / Yes / YesSource
HbbTV
Yes (v 2.0.3)Source
USB File System
FAT16, FAT32, NTFSSource
USB 4K Video
YesSource
Digital Programme List
YesSource
HDMI CEC
YesSource
Antenna Input
YesSource
Satellite Input
YesSource
HDMI 4K @ 60 Hz (2.1)
x3Source
USB
x2Source
3.5mm Headphone jack / line-out
YesSource
RJ 45 (LAN – 10BASE-T/100BASE-TX)
YesSource
Bluetooth
YesSource
TV System (ATV)
PAL, SECAMSource
Video system
HEVC/H.265 (10-bit), MPEG4/H.264, VP9, AV1Source

Smart platform & support

8 items
Smart platform
TiVo OS

Manufacturer-listed operating system. Apps may require accounts/subscriptions; regional availability and software changes apply.

Source
Pre-installed Apps
Youtube, Netflix, Prime Video, Disney+ and many moreSource
USB Software Update
YesSource
OTA Updates
YesSource
Freely
YesSource
Remote Control
IRSource
Remote Control Design
AN4512C-2UM-021Source
HDR support
HDR10, HLG, Dolby Vision™Source

Audio

9 items
Enhanced audio return channel
Yes (HDMI1)Source
Mini Composite/CVBS + Audio input
YesSource
Digital Optical Audio Output
YesSource
Speaker
2Source
Manufacturer speaker output
2 x 10Source
Sound System
BG, DK, I, L/L’, MN, NICAM/A2Source
Sound Settings
Sound EqualiserSource
Audio decoder
Dolby Digital, Dolby Digital Plus, Dolby AC-4Source
3D sound processing
Dolby Atmos®Source

Size, stand & mounting

6 items
Dimensions with stand
1231 x 773 x 260 mm (width × height × depth, with stand)

Exact manufacturer Net Size with Stand tuple. Product-only, packaging dimensions and foot spacing remain separate.

Source
VESA mounting pattern
400 x 300Source
Dimensions without stand (W × H × D)
1231 x 716 x 80 mm

Manufacturer Unit Size, separate from its explicit Net Size with Stand entry.

Source
Unit weight without stand
11 kg

Manufacturer Unit Weight; product-only mass, not package/gross weight. Supplied stand mass is not inferred.

Source
Gross Weight (kg)
15,6Source
Dimension Between Stand Feet (in mm)
1004Source

Power & energy

10 items
Wi-Fi Max Transmitter Power
100 mW at 2,412 GHz – 2,472 GHz; 100 mW at 5,150 GHz – 5,350 GHz; 100 mW at 5,470 GHz – 5,725 GHzSource
Power Requirements
AC 220-240V ~ 50/60HzSource
Power Consumption (W)
63Source
Standby Power Consumption (W)
<0,50Source
Off Mode Power Consumption (W)
Not applicableSource
Energy efficiency class
E

Manufacturer-listed energy class; see the linked exact EPREL declaration for SDR/HDR mode and jurisdictional basis.

Source
Plug
UK PlugSource
Auto Power Off
YesSource
AC Operated
YesSource
EPREL
https://eprel.ec.europa.eu/qr/2053821Source

Box & regional model

3 items
Safety Logo Certification
UKCA, REACH/PAH/SCCPSource
Included items
Product, Remote control, 2x AAA batteries, TV stand installation pack, Quick start guideSource
Box Size (W x H x D in mm)
1335 x 875 x 160Source
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