| Model No |
55E77NQ |
55S421-CA |
| TV Type |
Smart TV |
Smart TV |
| Screen Size |
55 Inch (139 cm) |
55 Inch (139 cm) |
| Resolution |
4K 3840 x 2160 |
4K 3840 x 2160 |
| Aspect Ratio |
16:9 |
16:9 |
| Motion Rate |
60 Hz |
120 Hz |
| Viewing Angle |
178°/178° |
178°/178° |
| USB |
| USB Version |
: 2.0 |
| Supported Audio Formats |
: MPEG, WMA, FLAC, MP3, AAC, WAV, OPUS |
| Supported Video Formats |
: HEVC, AVC, WEBM, MPEG, MOV, WMV, FLV, TS, MKV, MP4, AVI |
| Supported Picture Formats |
: GIF, PNG, BMP, JPEG |
|
| USB Version |
: 2.0 |
| Supported Audio Formats |
: AAC, MP3, WMA, WAV ( PCM ), AIFF, FLAC, AC3 |
| Supported Video Formats |
: MKV (H.264), MP4, MOV ( H.264 ), TS ( H.264 ) |
| Supported Picture Formats |
: JPEG, PNG, GIF |
|
| Video |
| Backlight |
: 4K UHD DLED QLED |
| HLG |
: Yes |
| HDR |
: Yes |
| HDR10 |
: Yes |
| Dolby Vision |
: Yes |
| Filmmaker Mode |
: Yes |
| HDR10+ Decoding |
: Yes |
| MEMC Technology |
: Yes |
| Immersive 4K HDR |
: Yes |
| Upscaling Ultra HD |
: Yes |
| Wide Color Spectrum |
: Yes |
| Digital 3D Comb Filter |
: Yes |
| MPEG Noise Reduction |
: Yes |
| Image Noise Reduction |
: Yes |
| Quantum Dot Technology |
: Yes |
| Panel Response Time |
: 8 ms |
| Contrast |
: 4000:1 |
| Brightness |
: 330 Nits |
| Input Delay In Game Mode |
: ≤ 10 ms |
|
| Backlight |
: 4K UHD HDR LED |
| HDR10 |
: Yes |
| Resolution |
: UHD |
| Clear Motion Index |
: 120Hz CMI |
| Display Colors |
: 1.07 Billion |
| Picture Engine |
: 4K Creative Pro Upscaling Engine |
|
| Audio |
| Sound Output ( RMS ) |
: 2 X 10 W |
| EzPlay |
: Yes |
| TV Mode |
: Yes |
| Custom Equalizer |
: Yes |
| Dolby Atmos System |
: Yes |
| Sound Technology |
: Dolby Atmos DTS Virtual X Decoding |
|
| Audio Output ( RMS ) |
: 2 Channel X 8 W |
| Dolby Processing |
: Dolby Digital |
| Audio Passthrough |
: Dolby Digital Plus |
|
| Connectivity Options |
| HDMI ( 2.1 ) |
: 3 ( HDMI1, 2 X 2.1 ALLM, VRR ( 60Hz ), HDMI3 X 2.1 eARC, ALLM, VRR ( 60HZ )) |
| USB ( 2.0 ) |
: 2 |
| RF Tuner |
: 2 |
| Ethernet / LAN |
: 1 |
| S/PDIF Outputs |
: 1 |
| Headphone Jacks |
: 1 |
| Audio Inputs ( L / R ) |
: 1 |
| Composite Inputs ( AV ) |
: 1 |
| Bluetooth |
: Yes |
| Standard Interface ( CI+ ) |
: V2.0 |
| Wi-Fi Technology |
: IEEE 802.11 a/b/g/n/ac-2.4G,5G |
|
| HDMI 2.0 |
: 3, w/HDCP 2.2 ( 1 ARC ) |
| USB 2.0 |
: 1 |
| Ethernet / LAN |
: 1 Yes |
| RF Input ( NTSC, ATSC ) |
: 1 Yes |
| Audio Output Headphone |
: 1 Yes |
| SPDIF Digital Audio Optical |
: 1 Yes |
| AV Input |
: Composite Video + L&R Audio In |
| Wireless Connection |
: 802.11ac 2X2 Dual Band ( support 2.4GHz & 5GHz ) |
|
| Smart TV Features |
| Operating System |
: VIDAA Smart OS |
| Netflix |
: Yes |
| Amazon |
: Yes |
| YouTube |
: Yes |
| Share Screen |
: Yes |
| Share To TV |
: Yes |
| AirPlay 2 Support |
: Yes |
| Sharing Content |
: DMP, DMR |
| Important Apps |
: Hungama Play, Disney+, NBA, FIFA+, Apple TV+, SWEET.TV, Tet+, AccuWeather, VIDAA Art, VIDAA Free, App Store, Game Center, Plex, Redbull TV, Deezer, Toon Goggles, Kidoodle tv, UEFA TV, EON, DAZN, YouTube Kids, Rakuten TV, Prime Video, YouTube, Netflix |
|
| Operating System |
: Roku TV |
| CPU |
: Dual-core |
| GPU |
: Dual-core |
| Powerful Mobile App |
: Yes |
| Advanced PQ Setting With Mobile App |
: Yes |
|
| Other Features |
| Design |
: Bezel-Less Design |
| Color |
: Black |
| Child Lock |
: Yes |
| Light Sensor |
: Yes |
| Digital & Analog Tuner |
: DVB-T2, T, C, S2, S |
| Media Player |
: Audio, Picture, Video |
| Time Shift |
: Yes, Depending On The Location |
| PVR Function |
: Yes, Depending On The Location |
|
| Closed Caption |
: Yes |
| 1 Year Limited Warranty |
: Yes |
| Parental Control ( V-Chip ) |
: Yes |
| Accessible Menu System ( CVAA ) |
: Yes |
| Control Buttons |
: Power/Power/Menu, <,> |
| Multilingual On-Screen-Display |
: English, Spanish, French |
| Signal Format Capability |
: ATSC / NTSC / Clear QAM |
|
| General Details |
| Power Supply |
: AC 100 V-240V 50/60Hz |
| Power Consumption |
: 130 W |
| Power Consumption Standby |
: 0.5 W |
| Energy Efficiency Class SDR |
: E |
| Energy Efficiency Class HDR |
: G |
| Product Weight Without Stand |
: 11.3 Kg |
| Product Weight With Stand |
: 11.3 Kg |
| Product Weight Packaged |
: 16.9 Kg |
| VESA Wall Mount Compatible |
: 200 mm X 400 mm |
|
| Power Supply (Voltage, Hz) |
: AC 100V-240V 50/60Hz |
| Annual Power Consumption |
: 150 kWh/Y |
| Power Consumption Standby |
: <0.5 W |
| Weight Without Stand |
: 12.11 Kg |
| Weight With Stand |
: 12.29 Kg |
| Packaging Weight |
: 17.78 Kg |
| VESA Walll Mount Pattern |
: 200 mm X 200 mm |
|
| Supplied Accessories |
| Remote Control |
: Yes |
| User Manual |
: Yes |
| Quick Set Up Guide |
: Yes |
|
| Remote Control |
: Roku TV RC280 |
| 2 AAA Batteries |
: Yes |
| Screw Size |
: M6 X 12 |
| Quick Start Guide |
: Yes English |
|
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Compare Hisense 55E77NQ with:
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Compare TCL 55S421-CA with:
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Key Differences
In general, both TVs cater to modern entertainment needs, including streaming, gaming, and everyday viewing. TCL 55S421-CA and Hisense 55E77NQ differ in resolution (UHD vs 4K 3840 x 2160), which can affect overall clarity and sharpness of the display. If you're comparing TCL 55S421-CA and Hisense 55E77NQ, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. Both TVs come with smart platforms that support popular streaming apps and voice control features. TCL 55S421-CA and Hisense 55E77NQ offer different motion rates (120 Hz vs 60 Hz), which can impact smoothness during fast-moving scenes like sports and gaming. Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Verdict: Both TVs are strong contenders, and your final choice should depend on your preference for screen size, motion performance, and smart features.
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