TCL 43S425 vs TCL 43S421 Detailed Comparison
SCORE:
54
SCORE:
55

As an Amazon Associate I earn from qualifying purchases.

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

DISPLAY
63
VIDEO FEATURES
46
AUDIO FEATURES
39
OTHER FEATURES
61
CONNECTIVITY
49
FORMAT SUPPORT
37
OVERALL
54
DISPLAY
67
VIDEO FEATURES
46
AUDIO FEATURES
39
OTHER FEATURES
61
CONNECTIVITY
49
FORMAT SUPPORT
37
OVERALL
55

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
BrandTCLTCL
CountryUSAUSA
Series 244
Model43S42543S421
Release Year20182018
Size43"43"
Smart TVYesYes
DISPLAY TCL 43S425 TCL 43S421
Actual Size (Diagonal)42.5"42.5"
Resolution4K UHD (3840 x 2160)4K UHD (3840 x 2160)
Refresh Rate50 Hz/60 Hz50 Hz/60 Hz
Screen DesignFlatFlat
Display TypeLCDLCD
Panel TypeVAVA
Backlight TypeLEDLED
LED TypeDirect LEDDirect LED
ColorNoNo
Viewing AngleNoNo
Panel Bit Depth8 bits + FRC8 bits + FRC
Color Depth1.07 billion1.07 billion
VIDEO TCL 43S425 TCL 43S421
3D CapabilityNoNo
HDR10YesYes
HDR10+NoNo
Dolby VisionNoNo
Advanced HDR by Technicolor®NoNo
IMAX EnhancedNoNo
AMD Freesync™NoNo
NVidia G-SyncNoNo
4K HFRNoNo
2K HFRNoNo
VRRNoNo
HGIG CompatibilityNoNo
Upscaling4K Creative Pro4K Creative Pro
Frame Interploation TechniqueClear MotionClear Motion
Frame Interpolation Frequency120Hz120Hz
Black Frame InsertionNoNo
Filmmaker ModeNoNo
Auto Low Latency ModeNoNo
AUDIO TCL 43S425 TCL 43S421
Speaker Power Rating8W + 8W8W + 8W
Dolby Digital PlusYesYes
WiSA ReadyNoNo
CONNECTIVITY TCL 43S425 TCL 43S421
Ethernet InputYesYes
Wi-FiYesYes
Wi-Fi Frequency2.4 GHz, 5 GHz2.4 GHz, 5 GHz
Wi-Fi Protocol802.11ac 2x2 Dual Band (support 2.4GHz & 5GHz)802.11ac 2x2 Dual Band (support 2.4GHz & 5GHz)
BluetoothNoNo
ChromecastNoNo
Google HomeNoNo
Virtual AssistantNoNo
Works with AlexaNoNo
HDMI Inputs33
HDMI Version2.02.0
HDMI Audio Return Channel (ARC)YesYes
HDCP Version2.22.2
HDMI-CECYesYes
USB Inputs11
USB 3.0 PortsNoNo
RF (Terrestrial / Cable ) Inputs11
IF (Satellite) InputsNoNo
Component InputsNoNo
Composite InputsYesYes
RCA Audio OutputsNoNo
3.5mm headphone Audio OutputYesYes
Optical Audio OutputYesYes
RS-232C RemoteNoNo
OTHER TCL 43S425 TCL 43S421
CPU Cores22
GPU Cores22
Operating SystemRokuRoku
Parental Control (V-Chip)YesYes
Mobile AppYesYes
TeletextNoNo
Closed CaptionsYesYes
On-Screen Display LanguagesEnglish, Spanish, French English, Spanish, French 
Advanced PQ Setting with Mobile AppYesYes
VIDEO FORMATS TCL 43S425 TCL 43S421
Accessible Menu System (CVAA)YesYes
Quick Start Guide (QSG)1 English1 English
3GPPNoNo
AV1NoNo
AVIYesYes
ASFNoNo
DivXYesYes
Flash VideoNoNo
H.263YesYes
H.264YesYes
H.265NoNo
MKVYesYes
M2TSNoNo
MP4YesYes
MPEG-4YesYes
QuickTimeNoNo
RealVideoNoNo
TSYesYes
VC-1NoNo
VP7NoNo
VP8NoNo
VP9NoNo
VOBNoNo
VRONoNo
WebMNoNo
WMVYesYes
XvidNoNo
AUDIO FORMATS TCL 43S425 TCL 43S421
AACYesYes
AC4NoNo
AIFFNoNo
ALACNoNo
APENoNo
aptXNoNo
eAAC+NoNo
EAC3NoNo
FLACYesYes
HE-AACNoNo
LPCMNoNo
M4ANoNo
MIDINoNo
MP2NoNo
MP3YesYes
OGGNoNo
RealAudioNoNo
WMAYesYes
WAVYesYes
IMAGE FORMATS TCL 43S425 TCL 43S421
BMPYesYes
GIFYesYes
JPEGYesYes
JPSNoNo
MPONoNo
PNGYesYes
TUNER TCL 43S425 TCL 43S421
Digital TunerYes 1Yes 1
SAT TunerNoNo
Analog TunerNTSCNTSC
NEXTGEN TV (ATSC 3.0)NoNo
Digital Terrestrial TV SystemATSCATSC
Digital Cable TV SystemClear QAMClear QAM
Color systemPAL / SECAM / NTSCPAL / SECAM / NTSC
GENERAL TCL 43S425 TCL 43S421
Power SupplyAC 120 V, 60 HzAC 120 V, 60 Hz
Power Consumption (Typical)40 W45 W
Power Consumption (In Standby)0.5W0.5W
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 Size32.4"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 MountYesYes
VESA Hole Pitch (W x H)100 mm x 100 mm100 mm x 100 mm
Wall mount screwM6 x 12M6 x 12
Weight Without Stand16.3 lbs16.6 lbs
Weight With Stand16.5 lbs16.8 lbs
Weight of Package (Gross)23.1 lbs23.6 lbs
ACCESSORIES TCL 43S425 TCL 43S421
RemoteRC280RC282
WARRANTY TCL 43S425 TCL 43S421
Warranty1 year limited warranty1 year limited warranty

Amazon Affiliate Disclosure

ZKelectronics is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for website owners to earn advertising fees by advertising and linking to Amazon (.com, .co.uk, .ca, etc) and any other websites that may be affiliated with Amazon Service LLC Associates Program.