55JJ6425K · 55-inch · UK Plug · Sharp UK catalogue
Sharp 55JJ6425K is a 55-inch 3840 x 2160 television listed with Roku TV. Its manufacturer Display Systems table gives a maximum 60 Hz panel-refresh specification, separately from the Active Motion processing index.
Specifications checked 17 Oct 2026.
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Manufacturer specifications55GK4245I · 55-inch · UK Plug · Sharp UK catalogue
Sharp 55GK4245I 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.
Specifications checked 17 Oct 2026.
Amazon links open search results. Check the exact variant, current price and availability with the retailer.
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Differences first. Select a topic for its graphic, sources and conditions.
Check the exact configuration and source conditions for your use.
Manufacturer specification · 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: Digital Optical Audio Output. Source field: Video/Audio input (3 x RCA).
Manufacturer specification · 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.
Check the exact configuration. Manufacturer specifications describe the listed variant. Confirm compatibility and the seller’s exact model before buying; no overall winner is inferred from incomplete evidence.
18 verified differences, most decision-relevant first. 7 are also drawn in Visual facts above. Missing information stays separate.
Manufacturer specification · 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: Digital Optical Audio Output. Source field: Video/Audio input (3 x RCA).
Sharp 55JJ6425K — exact UK model specificationsManufacturer specification · 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.
Sharp 55GK4245I — exact UK model specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Manufacturer-listed operating system. Apps may require accounts/subscriptions; regional availability and software changes apply.
Sharp 55JJ6425K — exact UK model specificationsManufacturer specification · Manufacturer-listed operating system. Apps may require accounts/subscriptions; regional availability and software changes apply.
Sharp 55GK4245I — exact UK model specificationsCheck the exact configuration and source conditions for your use.
Check the exact configuration and source conditions for your use.
Manufacturer specification · Exact manufacturer Net Size with Stand tuple. Product-only, packaging dimensions and foot spacing remain separate.
Sharp 55JJ6425K — exact UK model specificationsManufacturer specification · Exact manufacturer Net Size with Stand tuple. Product-only, packaging dimensions and foot spacing remain separate.
Sharp 55GK4245I — exact UK model specificationsA size or weight trade-off; it does not establish the better product.
Manufacturer specification · Manufacturer-listed energy class; see the linked exact EPREL declaration for SDR/HDR mode and jurisdictional basis.
Sharp 55JJ6425K — exact UK model specificationsManufacturer specification · Manufacturer-listed energy class; see the linked exact EPREL declaration for SDR/HDR mode and jurisdictional basis.
Sharp 55GK4245I — exact UK model specificationsCheck the exact configuration and source conditions for your use.
Check the exact configuration and source conditions for your use.
Check the exact configuration and source conditions for your use.
Check the exact configuration and source conditions for your use.
Check the exact configuration and source conditions for your use.
A size or weight trade-off; it does not establish the better product.
Check the exact configuration and source conditions for your use.
Check the exact configuration and source conditions for your use.
Check the exact configuration and source conditions for your use.
Check the exact configuration and source conditions for your use.
Check the exact configuration and source conditions for your use.
Check the exact configuration and source conditions for your use.
Check the exact configuration and source conditions for your use.
Manufacturer specification · Manufacturer Unit Size, separate from its explicit Net Size with Stand entry.
Sharp 55JJ6425K — exact UK model specificationsManufacturer specification · Manufacturer Unit Size, separate from its explicit Net Size with Stand entry.
Sharp 55GK4245I — exact UK model specificationsA size or weight trade-off; it does not establish the better product.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
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Evidence is missing or conflicting on at least one side. This is not a verified difference.
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Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
39 shared fields have the same recorded value.
| Specification | Sharp 55JJ6425K | Sharp 55GK4245I |
|---|---|---|
Screen diagonal Sources | 55 in | 55 in |
Native resolution Sources | 3840 x 2160 | 3840 x 2160 |
Manufacturer-listed display technology SourcesSharp 55JJ6425K Manufacturer specification · The official display table names the backlight technology. No IPS, VA or OLED subtype inferred. Sharp 55JJ6425K — exact UK model specificationsSharp 55GK4245I Manufacturer specification · The official display table names the backlight technology. No IPS, VA or OLED subtype inferred. Sharp 55GK4245I — exact UK model specifications | LED backlight; LCD cell subtype not specified in this field. | LED backlight; LCD cell subtype not specified in this field. |
Diagonal Screen Size cm Sources | 139 | 139 |
Dynamic Contrast Sources | 1 000 000:1 | 1 000 000:1 |
HLG HDR SourcesSharp 55GK4245I No source recorded. | Yes | Not provided |
Colour GamutDifferent Sources | Quantum Dot | Standard |
Gift Box, 4 Colour SourcesSharp 55JJ6425K No source recorded. | Not provided | Yes |
Published maximum panel refresh rate SourcesSharp 55JJ6425K Manufacturer specification · 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. Sharp 55JJ6425K — exact UK model specificationsSharp 55GK4245I Manufacturer specification · 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. Sharp 55GK4245I — exact UK model specifications | 60 Hz | 60 Hz |
Manufacturer Active Motion index SourcesSharp 55JJ6425K Manufacturer specification · Manufacturer motion-processing index, not a refresh frequency or independent motion-clarity score. Sharp 55JJ6425K — exact UK model specificationsSharp 55GK4245I Manufacturer specification · Manufacturer motion-processing index, not a refresh frequency or independent motion-clarity score. Sharp 55GK4245I — exact UK model specifications | 400 | 400 |
Auto Low Latency Mode (ALLM) SourcesSharp 55JJ6425K No source recorded. | Not provided | Yes |
Inputs and connectionsDifferent SourcesSharp 55JJ6425K Manufacturer specification · 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: Digital Optical Audio Output. Source field: Video/Audio input (3 x RCA). Sharp 55JJ6425K — exact UK model specificationsSharp 55GK4245I Manufacturer specification · 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. Sharp 55GK4245I — exact UK model specifications | 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) | 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 |
USB VideoDifferent Sources | MKV, MP4, MOV, AVI, MPG, VOB, DAT, TS | MKV, MP4, MOV, AVI, MPG, MPEG, 3GP, 3GPP, ASF, FLV, WEBM, VOB, DAT, TS, TRP, TP |
USB MusicDifferent Sources | MP3, M4A, AAC, WAV | MP3, M4A, AAC, AC3, EAC3, DTS, WAV, FLAC, LPCM |
USB PhotoDifferent Sources | JPG, JPEG, BMP, PNG, MPO | JPG, JPEG, BMP, PNG, GIF, MPO |
Media Network Streaming (Video, Photo, Music) Sources | Yes / Yes / Yes | Yes / Yes / Yes |
HbbTVDifferent Sources | Yes (v 2.0.2) | Yes (v 2.0.3) |
USB File System Sources | FAT16, FAT32, NTFS | FAT16, FAT32, NTFS |
USB 4K Video Sources | Yes | Yes |
Digital Programme List Sources | Yes | Yes |
Home Media Server SourcesSharp 55GK4245I No source recorded. | Yes | Not provided |
HDMI CEC Sources | Yes | Yes |
Antenna Input Sources | Yes | Yes |
Satellite Input Sources | Yes | Yes |
HDMI 4K @ 60 Hz (2.1) Sources | x3 | x3 |
USB Sources | x2 | x2 |
3.5mm Headphone jack / line-out Sources | Yes | Yes |
RJ 45 (LAN – 10BASE-T/100BASE-TX) Sources | Yes | Yes |
TV System (ATV) Sources | PAL, SECAM | PAL, SECAM |
Digital tunersDifferent Sources | DVB-T/T2 (MPEG4 + H.265/HEVC) | DVB-T/T2/C/S/S2 (MPEG4 + H.265/HEVC (10-bit)) |
Video system Sources | HEVC/H.265 (10-bit), MPEG4/H.264, VP9, AV1 | HEVC/H.265 (10-bit), MPEG4/H.264, VP9, AV1 |
Bluetooth SourcesSharp 55JJ6425K No source recorded. | Not provided | Yes |
Smart platformDifferent SourcesSharp 55JJ6425K Manufacturer specification · Manufacturer-listed operating system. Apps may require accounts/subscriptions; regional availability and software changes apply. Sharp 55JJ6425K — exact UK model specificationsSharp 55GK4245I Manufacturer specification · Manufacturer-listed operating system. Apps may require accounts/subscriptions; regional availability and software changes apply. Sharp 55GK4245I — exact UK model specifications | Roku TV | TiVo OS |
Pre-installed AppsDifferent Sources | Youtube, Netflix, Prime Video, Disney+, Apple TV and many more | Youtube, Netflix, Prime Video, Disney+ and many more |
BBC iPlayer SourcesSharp 55GK4245I No source recorded. | Yes | Not provided |
USB Software Update Sources | Yes | Yes |
OTA Updates Sources | Yes | Yes |
Freely SourcesSharp 55GK4245I No source recorded. | Yes | Not provided |
Remote Control Sources | IR | IR |
HDR support Sources | HDR10, HLG, Dolby Vision™ | HDR10, HLG, Dolby Vision™ |
Remote Control Design SourcesSharp 55JJ6425K No source recorded. | Not provided | AN4512C-2UM-021 |
Enhanced audio return channel Sources | Yes (HDMI1) | Yes (HDMI1) |
Digital Optical Audio Output Sources | Yes | Yes |
Video/Audio input (3 x RCA) SourcesSharp 55GK4245I No source recorded. | Yes | Not provided |
Manufacturer speaker output Sources | 2 x 10 | 2 x 10 |
Sound System Sources | BG, DK, I, L/L’, MN, NICAM/A2 | BG, DK, I, L/L’, MN, NICAM/A2 |
Sound Settings Sources | Sound Equaliser | Sound Equaliser |
Audio decoder Sources | Dolby Digital, Dolby Digital Plus, Dolby AC-4 | Dolby Digital, Dolby Digital Plus, Dolby AC-4 |
Mini Composite/CVBS + Audio input SourcesSharp 55JJ6425K No source recorded. | Not provided | Yes |
Speaker SourcesSharp 55JJ6425K No source recorded. | Not provided | 2 |
3D sound processing SourcesSharp 55JJ6425K No source recorded. | Not provided | Dolby Atmos® |
Dimensions with standDifferent SourcesSharp 55JJ6425K Manufacturer specification · Exact manufacturer Net Size with Stand tuple. Product-only, packaging dimensions and foot spacing remain separate. Sharp 55JJ6425K — exact UK model specificationsSharp 55GK4245I Manufacturer specification · Exact manufacturer Net Size with Stand tuple. Product-only, packaging dimensions and foot spacing remain separate. Sharp 55GK4245I — exact UK model specifications | 1226 x 786 x 256 mm (width × height × depth, with stand) | 1231 x 773 x 260 mm (width × height × depth, with stand) |
Dimensions without stand (W × H × D)Different SourcesSharp 55JJ6425K Manufacturer specification · Manufacturer Unit Size, separate from its explicit Net Size with Stand entry. Sharp 55JJ6425K — exact UK model specificationsSharp 55GK4245I Manufacturer specification · Manufacturer Unit Size, separate from its explicit Net Size with Stand entry. Sharp 55GK4245I — exact UK model specifications | 1226 x 713 x 84 mm | 1231 x 716 x 80 mm |
Unit weight without stand SourcesSharp 55JJ6425K Manufacturer specification · Manufacturer Unit Weight; product-only mass, not package/gross weight. Supplied stand mass is not inferred. Sharp 55JJ6425K — exact UK model specificationsSharp 55GK4245I Manufacturer specification · Manufacturer Unit Weight; product-only mass, not package/gross weight. Supplied stand mass is not inferred. Sharp 55GK4245I — exact UK model specifications | 11 kg | 11 kg |
Gross Weight (kg)Different Sources | 15.6 | 15,6 |
Dimension Between Stand Feet (in mm)Different Sources | 1103 | 1004 |
VESA mounting pattern Sources | 400 x 300 | 400 x 300 |
Wi-Fi Max Transmitter Power Sources | 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 GHz | 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 GHz |
Power Requirements Sources | AC 220-240V ~ 50/60Hz | AC 220-240V ~ 50/60Hz |
Power Consumption (W)Different Sources | 71 | 63 |
Standby Power Consumption (W) Sources | <0,50 | <0,50 |
Energy efficiency classDifferent SourcesSharp 55JJ6425K Manufacturer specification · Manufacturer-listed energy class; see the linked exact EPREL declaration for SDR/HDR mode and jurisdictional basis. Sharp 55JJ6425K — exact UK model specificationsSharp 55GK4245I Manufacturer specification · Manufacturer-listed energy class; see the linked exact EPREL declaration for SDR/HDR mode and jurisdictional basis. Sharp 55GK4245I — exact UK model specifications | F | E |
Plug Sources | UK Plug | UK Plug |
Auto Power Off Sources | Yes | Yes |
AC Operated Sources | Yes | Yes |
EPRELDifferent Sources | https://eprel.ec.europa.eu/qr/2752219 | https://eprel.ec.europa.eu/qr/2053821 |
Off Mode Power Consumption (W) SourcesSharp 55JJ6425K No source recorded. | Not provided | Not applicable |
Safety Logo CertificationDifferent Sources | UKCA, REACH/PAH/SCCP | CE (RED, RoHS, ErP), REACH/PAH/SCCP |
Included items Sources | Product, Remote control, 2x AAA batteries, TV stand installation pack, Quick start guide | Product, Remote control, 2x AAA batteries, TV stand installation pack, Quick start guide |
Box Size (W x H x D in mm)Different Sources | 1340 x 840 x 130 | 1335 x 875 x 160 |
Closest tvs to this pair by shared key specifications. Not a popularity ranking.
Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.
