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Overview
Here we are comparing to to reveal their common strengths and weaknesses as well as the differences between them which will help you in making a correct decision before the purchase. Both models have the same resolution and none of them support HDR.
Let us first have a glance at the highlights of the models.
TCL 43S425 Highlights
TCL 43S421 Highlights
- 4K UHD (3840 x 2160) LCD Display
- HDR10, HDR10+, Dolby Vision, HLG support
- No
- No
- 4K UHD (3840 x 2160) LCD Display
- HDR10, HDR10+, Dolby Vision, HLG support
- No
- No
We have evaluated the TVs from available features and specifications. They both get the same overall score in our ranking system which is based on the display specifications, video, audio and other features, connectivity and format support.
TCL 43S425
TCL 43S421
Detailed Specifications
And in the end we display all the specifications which are present for both models.
Note: The following table shows only those details which are applicable for both models and excludes the ones that are applicable for only one model. If you want to see a full list of specs for each model please visit their individual pages here - and here - .
| BASICS | TCL 43S425 | TCL 43S421 |
|---|---|---|
| Brand | TCL | TCL |
| Country | USA | USA |
| Series 2 | 4 | 4 |
| Model | 43S425 | 43S421 |
| Release Year | 2018 | 2018 |
| Size | 43" | 43" |
| Smart TV | Yes | Yes |
| DISPLAY | TCL 43S425 | TCL 43S421 |
|---|---|---|
| Actual Size (Diagonal) | 42.5" | 42.5" |
| Resolution | 4K UHD (3840 x 2160) | 4K UHD (3840 x 2160) |
| Refresh Rate | 50 Hz/60 Hz | 50 Hz/60 Hz |
| Screen Design | Flat | Flat |
| Display Type | LCD | LCD |
| Panel Type | VA | VA |
| Backlight Type | LED | LED |
| LED Type | Direct LED | Direct LED |
| Color | No | No |
| Viewing Angle | No | No |
| Panel Bit Depth | 8 bits + FRC | 8 bits + FRC |
| Color Depth | 1.07 billion | 1.07 billion |
| VIDEO | TCL 43S425 | TCL 43S421 |
|---|---|---|
| 3D Capability | No | No |
| HDR10 | Yes | Yes |
| HDR10+ | No | No |
| Dolby Vision | No | No |
| Advanced HDR by Technicolor® | No | No |
| IMAX Enhanced | No | No |
| AMD Freesync™ | No | No |
| NVidia G-Sync | No | No |
| 4K HFR | No | No |
| 2K HFR | No | No |
| VRR | No | No |
| HGIG Compatibility | No | No |
| Upscaling | 4K Creative Pro | 4K Creative Pro |
| Frame Interploation Technique | Clear Motion | Clear Motion |
| Frame Interpolation Frequency | 120Hz | 120Hz |
| Black Frame Insertion | No | No |
| Filmmaker Mode | No | No |
| Auto Low Latency Mode | No | No |
| AUDIO | TCL 43S425 | TCL 43S421 |
|---|---|---|
| Speaker Power Rating | 8W + 8W | 8W + 8W |
| Dolby Digital Plus | Yes | Yes |
| WiSA Ready | No | No |
| CONNECTIVITY | TCL 43S425 | TCL 43S421 |
|---|---|---|
| Ethernet Input | Yes | Yes |
| Wi-Fi | Yes | Yes |
| Wi-Fi Frequency | 2.4 GHz, 5 GHz | 2.4 GHz, 5 GHz |
| Wi-Fi Protocol | 802.11ac 2x2 Dual Band (support 2.4GHz & 5GHz) | 802.11ac 2x2 Dual Band (support 2.4GHz & 5GHz) |
| Bluetooth | No | No |
| Chromecast | No | No |
| Google Home | No | No |
| Virtual Assistant | No | No |
| Works with Alexa | No | No |
| HDMI Inputs | 3 | 3 |
| HDMI Version | 2.0 | 2.0 |
| HDMI Audio Return Channel (ARC) | Yes | Yes |
| HDCP Version | 2.2 | 2.2 |
| HDMI-CEC | Yes | Yes |
| USB Inputs | 1 | 1 |
| USB 3.0 Ports | No | No |
| RF (Terrestrial / Cable ) Inputs | 1 | 1 |
| IF (Satellite) Inputs | No | No |
| Component Inputs | No | No |
| Composite Inputs | Yes | Yes |
| RCA Audio Outputs | No | No |
| 3.5mm headphone Audio Output | Yes | Yes |
| Optical Audio Output | Yes | Yes |
| RS-232C Remote | No | No |
| OTHER | TCL 43S425 | TCL 43S421 |
|---|---|---|
| CPU Cores | 2 | 2 |
| GPU Cores | 2 | 2 |
| Operating System | Roku | Roku |
| Parental Control (V-Chip) | Yes | Yes |
| Mobile App | Yes | Yes |
| Teletext | No | No |
| Closed Captions | Yes | Yes |
| On-Screen Display Languages | English, Spanish, French | English, Spanish, French |
| Advanced PQ Setting with Mobile App | Yes | Yes |
| VIDEO FORMATS | TCL 43S425 | TCL 43S421 |
|---|---|---|
| Accessible Menu System (CVAA) | Yes | Yes |
| Quick Start Guide (QSG) | 1 English | 1 English |
| 3GPP | No | No |
| AV1 | No | No |
| AVI | Yes | Yes |
| ASF | No | No |
| DivX | Yes | Yes |
| Flash Video | No | No |
| H.263 | Yes | Yes |
| H.264 | Yes | Yes |
| H.265 | No | No |
| MKV | Yes | Yes |
| M2TS | No | No |
| MP4 | Yes | Yes |
| MPEG-4 | Yes | Yes |
| QuickTime | No | No |
| RealVideo | No | No |
| TS | Yes | Yes |
| VC-1 | No | No |
| VP7 | No | No |
| VP8 | No | No |
| VP9 | No | No |
| VOB | No | No |
| VRO | No | No |
| WebM | No | No |
| WMV | Yes | Yes |
| Xvid | No | No |
| AUDIO FORMATS | TCL 43S425 | TCL 43S421 |
|---|---|---|
| AAC | Yes | Yes |
| AC4 | No | No |
| AIFF | No | No |
| ALAC | No | No |
| APE | No | No |
| aptX | No | No |
| eAAC+ | No | No |
| EAC3 | No | No |
| FLAC | Yes | Yes |
| HE-AAC | No | No |
| LPCM | No | No |
| M4A | No | No |
| MIDI | No | No |
| MP2 | No | No |
| MP3 | Yes | Yes |
| OGG | No | No |
| RealAudio | No | No |
| WMA | Yes | Yes |
| WAV | Yes | Yes |
| IMAGE FORMATS | TCL 43S425 | TCL 43S421 |
|---|---|---|
| BMP | Yes | Yes |
| GIF | Yes | Yes |
| JPEG | Yes | Yes |
| JPS | No | No |
| MPO | No | No |
| PNG | Yes | Yes |
| TUNER | TCL 43S425 | TCL 43S421 |
|---|---|---|
| Digital Tuner | Yes 1 | Yes 1 |
| SAT Tuner | No | No |
| Analog Tuner | NTSC | NTSC |
| NEXTGEN TV (ATSC 3.0) | No | No |
| Digital Terrestrial TV System | ATSC | ATSC |
| Digital Cable TV System | Clear QAM | Clear QAM |
| Color system | PAL / SECAM / NTSC | PAL / SECAM / NTSC |
| GENERAL | TCL 43S425 | TCL 43S421 |
|---|---|---|
| Power Supply | AC 120 V, 60 Hz | AC 120 V, 60 Hz |
| Power Consumption (Typical) | 40 W | 45 W |
| Power Consumption (In Standby) | 0.5W | 0.5W |
| Dimension Without Stand (W x H x D) | 38.2" x 22.4" x 3.0" | 38.3" x 22.2" x 2.9" |
| Dimension With Stand (W x H x D) | 38.2" x 24.5" x 7.6" | 38.3" x 24.4" x 7.5" |
| Stand Size | 32.4" | 30.0" |
| Dimension of Package (W x H x D) | 45.1" x 26.2" x 5.2" | 44.6" x 26.2" x 5.7" |
| VESA Wall Mount | Yes | Yes |
| VESA Hole Pitch (W x H) | 100 mm x 100 mm | 100 mm x 100 mm |
| Wall mount screw | M6 x 12 | M6 x 12 |
| Weight Without Stand | 16.3 lbs | 16.6 lbs |
| Weight With Stand | 16.5 lbs | 16.8 lbs |
| Weight of Package (Gross) | 23.1 lbs | 23.6 lbs |
| ACCESSORIES | TCL 43S425 | TCL 43S421 |
|---|---|---|
| Remote | RC280 | RC282 |
| WARRANTY | TCL 43S425 | TCL 43S421 |
|---|---|---|
| Warranty | 1 year limited warranty | 1 year limited warranty |
