TCL 43S421 Review and Specs
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TCL 43S421 (USA version)

SCORE:
84

Highlights

  • 4K UHD (3840 x 2160) LCD Display
  • HDR10, HLG support
  • Ethernet, Wi-Fi

Disclosure: We earn money from the affiliate links to products associated with content in this article.

TCL 43S421 Overview

TCL 43S421 was introduced in 2018. It has a LCD screen with 4K UHD (3840 x 2160) resolution and 50 Hz/60 Hz refresh rate. The TV is HDR compatible. It supports HDR10.

We give TCL 43S421 TV 84 overall score out of 100. Our ranking system is based on the display specifications, video, audio and other features, connectivity and format support.

DISPLAY
90
VIDEO FEATURES
84
AUDIO FEATURES
56
OTHER FEATURES
82
CONNECTIVITY
81
FORMAT SUPPORT
76
OVERALL
84

Pros and Cons

In this section we highlight pros and cons of TCL 43S421.

PROS
High Resolution ๐Ÿ‘
LED Type ๐Ÿ‘
Color Depth ๐Ÿ‘
HDR10 ๐Ÿ‘
Wi-Fi ๐Ÿ‘
CONS
Limited Viewing Angle ๐Ÿ‘Ž
No HDR10+ ๐Ÿ‘Ž
No Dolby Vision ๐Ÿ‘Ž
No IMAX Enhanced ๐Ÿ‘Ž
No AMD Freesyncโ„ข ๐Ÿ‘Ž
No NVidia G-Sync ๐Ÿ‘Ž
No 4K HFR ๐Ÿ‘Ž
No 2K HFR ๐Ÿ‘Ž
No VRR ๐Ÿ‘Ž
No NEXTGEN TV (ATSC 3.0) ๐Ÿ‘Ž

Selected Features

VA Panel

TCL 43S421 has a vertical alignment (VA) panel which is most commonly used in LCD TVs as it provides deeper blacks compared to the IPS panel. However, it is still limited with the viewing angle compared to the IPS panel or OLED display.

Detailed Specifications

In this section we present all the features and specifications available for TCL 43S421.

BASICS
BrandTCL
CountryUSA
Series 24
Model43S421
Release Year2018
Size43"
Smart TVโœ”
DISPLAY
Actual Size (Diagonal)42.5"
Resolution4K UHD (3840 x 2160)
Refresh Rate50 Hz/60 Hz
Screen DesignFlat
Display TypeLCD
Panel TypeVA
Backlight TypeLED
LED TypeDirect LED
Colorโœ–
Viewing Angleโœ–
Panel Bit Depth8 bits + FRC
Color Depth1.07 billion
VIDEO
3D Capabilityโœ–
HDR10โœ”
HDR10+โœ–
Dolby Visionโœ–
Advanced HDR by Technicolorยฎโœ–
IMAX Enhancedโœ–
AMD Freesyncโ„ขโœ–
NVidia G-Syncโœ–
4K HFRโœ–
2K HFRโœ–
VRRโœ–
HGIG Compatibilityโœ–
Upscaling4K Creative Pro
Frame Interploation TechniqueClear Motion
Frame Interpolation Frequency120Hz
Black Frame Insertionโœ–
Filmmaker Modeโœ–
Auto Low Latency Modeโœ–
AUDIO
Speaker Power Rating8W + 8W
Dolby Digital Plusโœ”
WiSA Readyโœ–
CONNECTIVITY
Ethernet Inputโœ”
Wi-Fiโœ”
Wi-Fi Frequency2.4 GHz, 5 GHz
Wi-Fi Protocol802.11ac 2x2 Dual Band (support 2.4GHz & 5GHz)
Bluetoothโœ–
Chromecastโœ–
Google Homeโœ–
Virtual Assistantโœ–
Works with Alexaโœ–
HDMI Inputs3
HDMI Version2.0
HDMI Audio Return Channel (ARC)โœ”
HDCP Version2.2
HDMI-CECโœ”
USB Inputs1
USB 3.0 Portsโœ–
RF (Terrestrial / Cable ) Inputs1
IF (Satellite) Inputsโœ–
Component Inputsโœ–
Composite Inputsโœ”
RCA Audio Outputsโœ–
3.5mm headphone Audio Outputโœ”
Optical Audio Outputโœ”
RS-232C Remoteโœ–
OTHER
CPU Cores2
GPU Cores2
Operating SystemRoku
Parental Control (V-Chip)โœ”
Mobile Appโœ”
Teletextโœ–
Closed Captionsโœ”
On-Screen Display LanguagesEnglish, Spanish, French 
Advanced PQ Setting with Mobile Appโœ”
VIDEO FORMATS
Accessible Menu System (CVAA)โœ”
Quick Start Guide (QSG)1 English
3GPPโœ–
AV1โœ–
AVIโœ”
ASFโœ–
DivXโœ”
Flash Videoโœ–
H.263โœ”
H.264โœ”
H.265โœ–
MKVโœ”
M2TSโœ–
MP4โœ”
MPEG-4โœ”
QuickTimeโœ–
RealVideoโœ–
TSโœ”
VC-1โœ–
VP7โœ–
VP8โœ–
VP9โœ–
VOBโœ–
VROโœ–
WebMโœ–
WMVโœ”
Xvidโœ–
AUDIO FORMATS
AACโœ”
AC4โœ–
AIFFโœ–
ALACโœ–
APEโœ–
aptXโœ–
eAAC+โœ–
EAC3โœ–
FLACโœ”
HE-AACโœ–
LPCMโœ–
M4Aโœ–
MIDIโœ–
MP2โœ–
MP3โœ”
OGGโœ–
RealAudioโœ–
WMAโœ”
WAVโœ”
IMAGE FORMATS
BMPโœ”
GIFโœ”
JPEGโœ”
JPSโœ–
MPOโœ–
PNGโœ”
TUNER
Digital Tunerโœ” 1
SAT Tunerโœ–
Analog TunerNTSC
NEXTGEN TV (ATSC 3.0)โœ–
Digital Terrestrial TV SystemATSC
Digital Cable TV SystemClear QAM
Color systemPAL / SECAM / NTSC
GENERAL
Power SupplyAC 120 V, 60 Hz
Power Consumption (Typical)45 W
Power Consumption (In Standby)0.5W
Dimension Without Stand (W x H x D)38.3" x 22.2" x 2.9"
Dimension With Stand (W x H x D)38.3" x 24.4" x 7.5"
Stand Size30.0"
Dimension of Package (W x H x D)44.6" x 26.2" x 5.7"
VESA Wall Mountโœ”
VESA Hole Pitch (W x H)100 mm x 100 mm
Wall mount screwM6 x 12
Weight Without Stand16.6 lbs
Weight With Stand16.8 lbs
Weight of Package (Gross)23.6 lbs
ACCESSORIES
RemoteRC282
WARRANTY
Warranty1 year limited warranty

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