Sansui S55P28UA vs Insignia NS-55D421NA16 – Detailed Comparison & Verdict (2026)

ALERT

Sansui S55P28UA
Rs.24,364.00

Insignia NS-55D421NA16
Rs.32,599.00

Model No

S55P28UA

NS-55D421NA16

TV Type

LED TV

LED TV

Screen Size

55 Inch (139 cm)

55 Inch (139 cm)

Resolution

4K 3840 x 2160

1920 x 1080

Aspect Ratio

16:9

16:9

Motion Rate

60 Hz

60 Hz

Viewing Angle

178°/178°

178°/178°

USB

USB Version	: 2.0
Supported Audio Formats	: AAC, AMR, LPCM, M4A, MP3, MPEG
Supported Video Formats	: AVI, MKV, H264 /MPEG-4 AVC, MPEG-1, MPEG-2, MPEG-4
Supported Picture Formats	: JPEG

USB Version	: 2.0
Supported Audio Formats	: AAC, MP3, WMA, WAV ( PCM ), FLAC, AIFF, AC3 ( Dolby Audio™ )
Supported Video Formats	: MKV, MP4, MOV, TS
Supported Picture Formats	: JPEG, PNG, GIF

Video

Display Type	: DLED
Panel Maker	: CSOT / AUO
Brightness	: 250 cd / m2
Contrast	: 5000 : 1
Display Colors	: 16.7 Million
Response Time	: 6.5 ms
Progressive Scan	: Yes
HD Ready	: Yes
Color Temperature Adjustment	: Yes
ATV	: NTSC
DTV	: ATSC

Backlight	: FHD LED
HDR	: Yes
Comb Filter	: Yes
Response Time	: 8 ms
Contrast Ratio Typical	: 4000:1
Brightness	: 260 Nits
Contrast Ratio Dynamic	: 500000:1

Audio

Audio Output ( RMS )	: 2 x 8 W
Dolby MS12	: Yes
Dolby Plus	: Yes
Equalizers	: Yes
Effects	: Yes
ATV	: M
DTV	: AC-3
Stereo Sound	: NICAM

Audio Output ( RMS )	: 2 X 8 W
Number Of Speakers	: 2
Built-In Speakers	: Yes
DTS Sound™	: Yes

Connectivity Options

HDMI	: 3
USB	: 2
RJ45	: Yes
OPTICAL	: Yes
EARPHONE	: Yes
AV IN	: Yes
ATV & DTV	: Yes
WIFI	: Yes
Chromecast Build In	: Yes

HDMI	: 3 ( Side )
USB 2.0	: 1 ( Side )
Headphone Jack	: 1 Yes
RF Antenna Input	: 1 Yes
Analog Audio Output	: 1 Yes
Composite Video Input	: 1 Yes
Digital Optical Audio Output	: 1 Yes
Built-in Wi-Fi	: Dual-Band, 802.11 A/B/G/N

Smart TV Features

OS	: Android 9.0
CPU	: ARM CA55 Quad Core With TEE 1.2GHz
GPU	: Mali470MP3
DDR	: 1.5 GB
eMMC FLASH	: 8 GB
Youtube	: Yes
Google Assistant	: Yes
Google Play	: Yes
NETFLIX	: Yes
Amazon	: Yes
Live TV	: Yes
VUDU	: Yes
Local Multimedia	: Yes

Smart TV

: Yes

Other Features

Color	: Black
V-Chip	: Yes
Sleep Timer	: Yes
Game Mode	: Yes
Stand Included	: Yes
IN link	: Yes
Channel Labelling	: Yes
Tuner Analog	: NTSC
Manufacturer's Warranty	: 1 Year Limited
Tuner Digital	: ATSC, 8-VSB, Clear-QAM
OSD Language	: English, French, Spanish

General Details

Power Supply	: AC 100 - 240 V 50 / 60 Hz
Power Consumption	: 135 W
Power Consumption ( Standby )	: u22660.5 W
Net Weight Without Stand	: NA
Net Weight With Stand	: NA
Energy Meter	: Yes

Power Supply ( Voltage, Hz )	: AC 100 ~240 V 50-60 Hz
Power Consumption	: 120 W
Power Consumption Standby	: <0.5 W
Power Consumption Annual	: 158 kWh/Y
Set Weight Without Stand	: 13.6 Kg
Set Weight With Stand	: 13.8 Kg
VESA Wall Mount	: 400 mm X 400 mm

Supplied Accessories

Remote Control	: Yes
Batteries	: Yes
User Manual	: Yes
Stand	: Yes
Wall-mount Bracket	: Optional

Remote Control - 1N	: Yes
User Manual - 1N	: Yes
2 AAA Batteries - 2N	: Yes

Compare Sansui S55P28UA with:

Philips 52PFL8605-98

Compare Insignia NS-55D421NA16 with:

Key Differences

In general, both TVs cater to modern entertainment needs, including streaming, gaming, and everyday viewing. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. Sansui S55P28UA and Insignia NS-55D421NA16 differ in resolution (4K 3840 x 2160 vs 1920 x 1080), which can affect overall clarity and sharpness of the display. Audio output differs between the two (2 x 8 W vs 2 X 8 W), which can influence overall sound clarity and loudness. Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. Sansui S55P28UA and Insignia NS-55D421NA16 are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Both TVs come with smart platforms that support popular streaming apps and voice control features.

Verdict: Both models offer good value, and the better option depends on your specific requirements and viewing preferences.

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