Premium subscription

Limited offer: $9.99 FREE

Subscription benefits:

  • Receive exclusive deals
  • Receive promo codes for monitors and TVs
  • Be the first to read our premium content

As Amazon associates we earn from qualifying purchases.

Comparison between TCL 55S421 vs Samsung UN55NU6900

General Info
Model Number TCL 55S421 Samsung UN55NU6900
Price
Type TV TV
Year 2018 2018
Brand TCL Samsung
Model Series S421 NU6900
Model Number 55S421 UN55NU6900
Alias UN55NU6900FXZA
Display
Screen Size Class 55" (inches) 55" (inches)
Diagonal Size 54.65 in
138.8 cm
1388 mm
4.55 ft
54.65 in
138.8 cm
1388 mm
4.55 ft
Screen Width 47.62 in
121 cm
1209.6 mm
3.97 ft
47.63 in
121 cm
1209.75 mm
3.97 ft
Screen Height 26.79 in
68 cm
680.4 mm
2.23 ft
26.79 in
68 cm
680.483 mm
2.23 ft
Display Type VA VA
Display Bit Depth 10 bits (8 bits + FRC) 10 bits (8 bits + FRC)
Frame Rate Control Yes Yes
Max Number of Colors 1073741824 1073741824
Bits 30 30
Screen Aspect Ratio 16:9 16:9
Screen Resolution 3840 x 2160 3840 x 2160
Screen Pixel Pitch 0.315 mm 0.315 mm
Screen Pixel Density 80 ppi 81 ppi
Screen-to-Body Ratio 91.16 % 93.82 %
Backlight Source Direct LED Edge LED
DCI P3 80%
Rec.2020 60
Screen Brightness 250 cd/m²
Max Screen Brightness 350 cd/m²
Static Screen Contrast 6000 : 1
Screen Horizontal Viewing Angle 178 °
Screen Vertical Viewing Angle 178 °
Screen Input Lag 23 ms
Display Minimum Response Time 8 ms
Display Average Response Time 15 ms
HDR HDR10 HDR10
HLG (Hybrid Log Gamma)
HDR10+
3D No No
Size, weight, color
Case Depth 3 in
7.6 cm
76.2 mm
0.25 ft
2.3 in
5.8 cm
58.4 mm
0.19 ft
Case Weight 13.4 kg
29 lbs
7.8 kg
17 lbs
Case Width with Stand 49.1 in
124.7 cm
1247.1 mm
4.09 ft
48.4 in
122.9 cm
1229.4 mm
4.03 ft
Case Height with Stand 30.8 in
78.2 cm
782.3 mm
2.57 ft
29.8 in
75.7 cm
756.9 mm
2.48 ft
Case Depth with Stand 8.7 in
22.1 cm
221 mm
0.73 ft
9.5 in
24.1 cm
241.3 mm
0.79 ft
Case Weight with Stand 13.6 kg
30 lbs
7.9 kg
17 lbs
Case Color Black Black
Hardware
CPU Cores 2 4
GPU Cores 2
TV Tuner Analog (NTSC/PAL/SECAM)
Clear QAM
ATSC
Analog (NTSC/PAL/SECAM)
Clear QAM
ATSC
Built-in Camera No No
Network LAN
Wi-Fi
802.11a (IEEE 802.11a-1999)
802.11b (IEEE 802.11b-1999)
802.11g (IEEE 802.11g-2003)
802.11n (IEEE 802.11n-2009)
802.11n 5GHz
802.11ac (IEEE 802.11ac)
LAN
Wi-Fi
802.11a (IEEE 802.11a-1999)
802.11b (IEEE 802.11b-1999)
802.11g (IEEE 802.11g-2003)
802.11n (IEEE 802.11n-2009)
802.11n 5GHz
802.11ac (IEEE 802.11ac)
Wi-Fi Direct
DLNA
Connectivity 3 x HDMI 2.0 (ARC; CEC)
1 x Satellite In (Main; F-type female)
1 x S/PDIF
1 x 3.5 mm Audio Out
1 x AV Composite In (Video + L/R)
1 x USB 2.0 (max 0.5 A)
1 x Ethernet RJ45
2 x HDMI 2.0 (ARC; CEC)
1 x Satellite In (Main; F-type female)
1 x RS232 (C)
1 x Optical Audio Out
1 x USB 2.0
1 x Ethernet RJ45
Audio
Audio Speakers 2 x 8W 2 x 10W
Features
OS Roku TV Tizen 4.0
Cool Features 4K Creative Pro
HDCP (High-bandwidth Digital Content Protection) 2.2
DIRECTV
Essential Contrast
Light sensor
UHD Upscaling
PurColor
HDCP (High-bandwidth Digital Content Protection) 2.2
Anynet+ (HDMI-CEC)
Digital Clean View
Ergonomics
Case Width 49.1 in
124.7 cm
1247.1 mm
4.09 ft
48.4 in
122.9 cm
1229.4 mm
4.03 ft
Case Height 28.5 in
72.4 cm
723.9 mm
2.38 ft
28.1 in
71.4 cm
713.7 mm
2.34 ft
Vesa Mount Support Yes Yes
VESA Interface Standard Size 200 x 200 200 x 200
Removable VESA Stand Yes Yes
Height Adjustment No No
Landscape or Portrait Pivot Support No No
Left or Right Swivel Support No No
Forward and Backward Tilt Support No No
Frequency and Interpolation
Vertical Digital Frequency 60 Hz 60 Hz
Screen Interpolation Technology Clear Motion Index Motion Rate
Screen Interpolation Value 120 120
Screen Interpolation Measurement Unit CMI MR
Accessories
Extras Remote control - RC282 Remote control - TM1240A
Certificates and Standards
Licenses RoHS ENERGY STAR
RoHS
Usage and Storage Requirements
Safe Operating Temperature Level 5 °C - 35 °C
41 °F - 95 °F
Safe Operating Humidity Level 20 % - 80 %
Internal Storage Temperature -15 °C - 45 °C
5 °F - 113 °F
Internal Storage Humidity 10 % - 90 %
TCL 55S421 Samsung UN55NU6900