Samsung Q70A vs Q80B

Which TV Is Better?

Products

Samsung Q70A
Samsung Q80B

Tested using Methodology v1.11

Updated Sep 24, 2025 06:40 PM

SEE PRICE
Amazon.com

Tested using Methodology v1.11

Updated Jan 12, 2024 08:30 PM

SEE PRICE
Amazon.com

Our Verdict

Samsung Q70A

Samsung Q80B [Q80, Q80BD] QLED

The Samsung Q70A and the Samsung Q80B are both good TVs with different strengths and weaknesses. Although the Q70A doesn't have a local dimming feature like the Q80B, it's still better for dark rooms because it displays deep blacks and has less blooming around bright objects. However, the Q80B gets brighter, especially in HDR, and it's a better choice for wide seating arrangements because it has a wider viewing angle. They each have HDMI 2.1 bandwidth, but the Q80B has it on all four inputs, while it's just limited to one input on the Q70A.

0 

Variants

  • QN55Q70AAFXZA (55")
  • QN65Q70AAFXZA (65")
  • QN75Q70AAFXZA (75")
  • QN85Q70AAFXZA (85")
  • QN50Q80BAFXZA (50")
  • QN55Q80BAFXZA (55")
  • QN65Q80BAFXZA (65")
  • QN75Q80BAFXZA (75")
  • QN85Q80BAFXZA (85")

Check Price

50"
 
50"
QN50Q80BAFXZA
SEE PRICE
Amazon.com
55"
QN55Q70AAFXZA
SEE PRICE
Amazon.com
55"
QN55Q80BAFXZA
SEE PRICE
Amazon.com
65"
QN65Q70AAFXZA
SEE PRICE
Amazon.com
65"
QN65Q80BAFXZA
SEE PRICE
Amazon.com
75"
QN75Q70AAFXZA
SEE PRICE
Amazon.com
75"
QN75Q80BAFXZA
SEE PRICE
Amazon.com
85"
QN85Q70AAFXZA
SEE PRICE
Amazon.com
85"
QN85Q80BAFXZA
SEE PRICE
Amazon.com

Main Differences for
Mixed Usage

Threshold 

0.10

Mixed Usage 

7.5
7.5

Contrast 
 

7.2
5.7

Black Uniformity 
 

8.5
4.3

HDR Native Gradient 
 

6.0
8.5

Blooming 
 

10
6.0

Viewing Angle 
 

5.5
7.7

Full Comparison

Design

Style  

Design Picture  

Curved  

No
No
Show Text 

Accelerated Longevity Test 
 

Uniformity Pictures  

50-gray-30
Month 30
50% Gray
50-gray-00
Month 00
50% Gray

Longevity Graph  

See details
Show Text 

Stand  

Stand Picture  

Show Text 

Back  

Back Picture  

Wall Mount  

VESA 200x200
VESA 400x300
Show Text 

Borders  

Borders Picture  

Borders  

0.47" (1.2 cm)
0.43" (1.1 cm)

Thickness  

Thickness Picture  

Max Thickness  

1.10" (2.8 cm)
2.13" (5.4 cm)

Build Quality 
 

7.5
7.0

Build quality picture  

Show Text 
Picture Quality

Contrast 
 

7.2
5.7

Contrast Picture  

Contrast 
 

9,237 : 1
5,626 : 1

Native Contrast 
 

9,237 : 1
1,486 : 1
Show Text 

Blooming 
 

10
6.0

Blooming Photo  

Show Text 

Lighting Zone Transitions 
 

10
5.5

Preferred LD Video, Moving Object  

Local Dimming 
 

No
Yes

Backlight 
 

Edge
Full-Array

Dimming Zones Count Of Tested TV 
 

N/A
48
Show Text 

Contrast And Dark Details In Game Mode 
 

7.5
5.5

Blooming Photo In Game Mode  

Preferred LD Video, Moving Object In Game Mode  

Game Transitions With VRR And Preferred LD  

Show Text 

HDR Brightness 
 

7.2
7.4

HDR Hallway Photo  

HDR Cityscape Photo  

HDR Landscape Photo  

Hallway Lights (~1950 cd/m²) 
 

430 cd/m²
439 cd/m²

Yellow Skyscraper (~700 cd/m²) 
 

402 cd/m²
400 cd/m²

Landscape Pool (~300 cd/m²) 
 

172 cd/m²
169 cd/m²

Peak 2% Window 
 

562 cd/m²
724 cd/m²

Peak 10% Window 
 

562 cd/m²
839 cd/m²

Peak 25% Window 
 

562 cd/m²
642 cd/m²

Peak 50% Window 
 

561 cd/m²
526 cd/m²

Peak 100% Window 
 

560 cd/m²
512 cd/m²

Sustained 2% Window 
 

561 cd/m²
716 cd/m²

Sustained 10% Window 
 

561 cd/m²
828 cd/m²

Sustained 25% Window 
 

560 cd/m²
640 cd/m²

Sustained 50% Window 
 

560 cd/m²
524 cd/m²

Sustained 100% Window 
 

559 cd/m²
511 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.000
0.028
Show Text 

HDR Brightness In Game Mode 
 

6.8
7.1

HDR Hallway Photo  

HDR Cityscape Photo  

HDR Landscape Photo  

Hallway Lights (~1950 cd/m²) 
 

429 cd/m²
387 cd/m²

Yellow Skyscraper (~700 cd/m²) 
 

377 cd/m²
367 cd/m²

Landscape Pool (~300 cd/m²) 
 

127 cd/m²
162 cd/m²

Peak 2% Window 
 

251 cd/m²
362 cd/m²

Peak 10% Window 
 

566 cd/m²
826 cd/m²

Peak 25% Window 
 

563 cd/m²
814 cd/m²

Peak 50% Window 
 

561 cd/m²
578 cd/m²

Peak 100% Window 
 

561 cd/m²
494 cd/m²

Sustained 2% Window 
 

249 cd/m²
334 cd/m²

Sustained 10% Window 
 

563 cd/m²
809 cd/m²

Sustained 25% Window 
 

561 cd/m²
806 cd/m²

Sustained 50% Window 
 

560 cd/m²
578 cd/m²

Sustained 100% Window 
 

559 cd/m²
493 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.052
0.052
Show Text 

PQ EOTF Tracking 
 

7.1
7.4

PQ EOTF Graph  

See details
See details

600 Nit Tracking Delta 
 

0.0310
0.0206

1000 Nit Tracking Delta 
 

0.0313
0.0206

4000 Nit Tracking Delta 
 

0.0029
0.0080
Show Text 

SDR Brightness 
 

8.5
8.7

Real Scene Peak Brightness 
 

544 cd/m²
677 cd/m²

Peak 2% Window 
 

557 cd/m²
851 cd/m²

Peak 10% Window 
 

565 cd/m²
898 cd/m²

Peak 25% Window 
 

564 cd/m²
722 cd/m²

Peak 50% Window 
 

564 cd/m²
569 cd/m²

Peak 100% Window 
 

564 cd/m²
506 cd/m²

Sustained 2% Window 
 

556 cd/m²
783 cd/m²

Sustained 10% Window 
 

564 cd/m²
880 cd/m²

Sustained 25% Window 
 

563 cd/m²
719 cd/m²

Sustained 50% Window 
 

563 cd/m²
568 cd/m²

Sustained 100% Window 
 

562 cd/m²
504 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.001
0.031
Show Text 

Color Gamut 
 

7.9
8.0

Wide Color Gamut 
 

Yes
Yes

Color Gamut DCI-P3 Picture  

DCI P3 xy 
 

86.43%
89.65%

DCI P3 uv 
 

93.28%
92.87%

Color Gamut Rec.2020 Picture  

Rec 2020 xy 
 

64.06%
65.15%

Rec 2020 uv 
 

73.32%
70.38%
Show Text 

Color Volume 
 

7.4
8.0

P3 Color Volume ITP Picture  

1,000 cd/m² DCI P3 Coverage ITP 
 

65.4%
76.0%

2020 Color Volume ITP Picture  

10,000 cd/m² Rec 2020 Coverage ITP 
 

29.5%
35.5%

White Luminance 
 

556 cd/m²
712 cd/m²

Red Luminance 
 

106 cd/m²
157 cd/m²

Green Luminance 
 

391 cd/m²
551 cd/m²

Blue Luminance 
 

29 cd/m²
54 cd/m²

Cyan Luminance 
 

399 cd/m²
612 cd/m²

Magenta Luminance 
 

140 cd/m²
220 cd/m²

Yellow Luminance 
 

497 cd/m²
646 cd/m²
Show Text 

Pre Calibration 
 

8.6
8.1

Pre White Balance Picture  

Pre Gamma Curve Picture  

Pre Color Picture  

White Balance dE 
 

1.89
2.74

Color dE 
 

1.92
2.40

Gamma 
 

2.01
2.21

Color Temperature 
 

6,438 K
6,409 K

Picture Mode 
 

Movie
Movie

Color Temp Setting 
 

Warm 2
Warm 2

Gamma Setting 
 

2.2
2.2
Show Text 

Post Calibration 
 

9.5
9.5

Post White Balance Picture  

Post Gamma Curve Picture  

Post Color Picture  

White Balance dE 
 

0.53
0.25

Color dE 
 

1.07
1.17

Gamma 
 

2.20
2.19

Color Temperature 
 

6,508 K
6,594 K

White Balance Calibration 
 

20 point
20 point

Color Calibration 
 

Yes
Yes
Show Text 

Gray Uniformity 
 

6.9
7.1

50% Uniformity Picture  

50% Std. Dev. 
 

4.372%
4.459%

50% DSE 
 

0.195%
0.207%

5% Uniformity Picture  

5% Std. Dev. 
 

1.163%
0.558%

5% DSE 
 

0.133%
0.064%
Show Text 

Black Uniformity 
 

8.5
4.3

Black Uniformity Picture With Preferred Local Dimming  

Std. Dev. 
 

N/A
3.561%

Native Black Uniformity Picture  

Native Std. Dev. 
 

0.771%
1.955%
Show Text 

Viewing Angle 
 

5.5
7.7

Viewing Angle Video  

Chroma Graph  

Color Washout 
 

28°
33°

Hue Graph  

Color Shift 
 

34°
67°

Lightness Graph  

Brightness Loss 
 

33°
34°

Black Level Raise 
 

17°
70°

Gamma Shift 
 

17°
44°
Show Text 

Reflections 
 

7.2
7.3

Reflections Picture  

Average Room Off Picture  

Bright Room Off Picture  

Screen Finish 
 

Semi-gloss
Semi-gloss

Total Reflections 
 

5.7%
5.3%

Indirect Reflections 
 

0.6%
0.4%

Calculated Direct Reflections 
 

5.1%
4.9%
Show Text 

HDR Native Gradient 
 

6.0
8.5

HDR Gradient Picture  

100% Black to 50% Gray  

6.0
8.0

50% Gray to 100% White  

6.0
8.0

100% Black to 50% Red  

6.0
8.0

50% Red to 100% Red  

6.0
10

100% Black to 50% Green  

6.0
10

50% Green to 100% Green  

4.0
6.0

100% Black to 50% Blue  

8.0
10

50% Blue to 100% Blue  

6.0
8.0
Show Text 

Low-Quality Content Smoothing 
 

5.9
6.3

Low-Quality Content Smoothing Picture  

Smoothing 
 

5.0
6.0

Detail Preservation 
 

8.0
7.0
Show Text 

Upscaling: Sharpness Processing 
 

6.0
7.5

Sharpness Picture - 480p  

Show Text 

Pixels 
 

Pixels Picture  

Subpixel Layout 
 

BGR
RGB

Type  

LED
LED

Sub-Type 
 

VA
IPS
Show Text 
Motion

Response Time 
 

8.4
8.5

Motion Blur Picture  

Response Time Chart  

80% Response Time 
 

4.5 ms
3.8 ms

100% Response Time 
 

9.5 ms
10.1 ms
Show Text 

Flicker-Free 
 

9.9
9.9

Backlight chart 
 

Flicker-Free 
 

No
No

PWM Dimming Frequency 
 

960 Hz
960 Hz
Show Text 

Black Frame Insertion (BFI) 
 

BFI Picture  

BFI Frequency Picture  

Optional BFI 
 

Yes
Yes

Min Flicker For 60 fps 
 

60 Hz
60 Hz

60Hz For 60 fps 
 

Yes
Yes

120Hz For 120 fps 
 

Yes
Yes

Min Flicker for 60 fps in Game Mode 
 

60 Hz
60 Hz
Show Text 

Motion Interpolation 
 

Motion Interpolation (30 fps) Picture  

Motion Interpolation (30 fps) 
 

Yes
Yes

Motion Interpolation (60 fps) Picture  

Motion Interpolation (60 fps) 
 

Yes
Yes
Show Text 

Stutter 
 

6.7
6.8

Frame Hold Time @ 24 fps 
 

32.2 ms
31.6 ms

Frame Hold Time @ 60 fps 
 

7.1 ms
6.6 ms
Show Text 

24p Judder 
 

10
10

Judder-Free 24p 
 

Yes
Yes

Judder-Free 24p via 60p 
 

Yes
Yes

Judder-Free 24p via 60i 
 

Yes
Yes

Judder-Free 24p via Native Apps 
 

Yes
Yes
Show Text 

Variable Refresh Rate 
 

9.4
9.4

Native Refresh Rate 
 

120 Hz
120 Hz (except 50")

Variable Refresh Rate 
 

Yes
Yes

HDMI Forum VRR 
 

Yes
Yes

FreeSync 
 

Yes
Yes

G-SYNC Compatible 
 

Yes
Yes

4k VRR Maximum 
 

120 Hz
120 Hz

4k VRR Minimum 
 

< 20 Hz
< 20 Hz

1080p VRR Maximum 
 

120 Hz
120 Hz

1080p VRR Minimum 
 

< 20 Hz
< 20 Hz

1440p VRR Maximum 
 

120 Hz
120 Hz

1440p VRR Minimum 
 

< 20 Hz
< 20 Hz

VRR + Local Dimming  

No Local Dimming
Yes
Show Text 
Inputs

Input Lag 
 

9.7
9.7

1080p @ 60Hz 
 

11.0 ms
10.0 ms

1080p @ 60Hz Outside Game Mode 
 

83.3 ms
88.3 ms

1080p @ 120Hz 
 

5.6 ms
5.5 ms

1080p @ 144Hz 
 

N/A
N/A

1440p @ 60Hz 
 

10.2 ms
10.0 ms

1440p @ 120Hz 
 

5.6 ms
5.4 ms

1440p @ 144Hz 
 

N/A
N/A

4k @ 60Hz 
 

10.0 ms
10.0 ms

4k @ 60Hz + 10-Bit HDR 
 

10.9 ms
10.0 ms

4k @ 60Hz @ 4:4:4 
 

10.0 ms
10.0 ms

4k @ 60Hz Outside Game Mode 
 

70.0 ms
79.5 ms

4k @ 60Hz With Interpolation 
 

20.9 ms
23.6 ms

4k @ 120Hz 
 

5.6 ms
5.4 ms

4k @ 144Hz 
 

N/A
N/A

8k @ 60Hz 
 

N/A
N/A
Show Text 

Supported Resolutions 
 

9.6
9.6

Resolution  

4k
4k

480p @ 59.94Hz (Widescreen) 
 

Yes
Yes

720p @ 59.94Hz 
 

Yes
Yes

1080p @ 60Hz @ 4:4:4 
 

Yes
Yes

1080p @ 120Hz 
 

Yes
Yes

1080p @ 144Hz 
 

No
No

1440p @ 60Hz 
 

Yes
Yes

1440p @ 120Hz 
 

Yes
Yes

1440p @ 144Hz 
 

No
No

4k @ 60Hz 
 

Yes
Yes

4k @ 60Hz @ 4:4:4 
 

Yes
Yes

4k @ 120Hz 
 

Yes
Yes

4k @ 120Hz @ 4:4:4 
 

Yes
Yes

4k @ 144Hz 
 

No
No

8k @ 30Hz or 24Hz 
 

No
No

8k @ 60Hz 
 

No
No
Show Text 

PS5 Compatibility 
 

PS5 Screenshot  

Auto Low Latency Mode (ALLM) 
 

Yes
Yes

4k @ 120Hz 
 

Yes
Yes

1440p @ 120Hz 
 

Yes
Yes

1080p @ 120Hz 
 

Yes
Yes

HDR 
 

Yes
Yes

VRR 
 

Yes
Yes
Show Text 

Xbox Series X|S Compatibility 
 

Xbox Series X Screenshot  

Auto Low Latency Mode (ALLM) 
 

Yes
Yes

4k @ 120Hz 
 

Yes
Yes

1440p @ 120Hz 
 

Yes
Yes

1080p @ 120Hz 
 

Yes
Yes

HDR 
 

Yes
Yes

VRR 
 

Yes
Yes
Show Text 

Inputs Specifications  

HDR10 
 

Yes
Yes

HDR10+ 
 

Yes
Yes

Dolby Vision 
 

No
No

HLG 
 

Yes
Yes

HDMI 2.0 Full Bandwidth 
 

Yes (HDMI 1,2,3,4)
Yes (HDMI 1,2,3,4)

HDMI 2.1 Class Bandwidth 
 

Yes (HDMI 4)
Yes (HDMI 1,2,3,4)

CEC  

Yes
Yes

HDCP 2.2  

Yes (HDMI 1,2,3,4)
Yes (HDMI 1,2,3,4)

ATSC Tuner 
 

1.0
1.0

USB 3.0 
 

No
No

Variable Analog Audio Out  

No
No

Wi-Fi Support  

Yes (2.4 GHz, 5 GHz)
Yes (2.4 GHz, 5 GHz)
Show Text 

Input Photos  

Side Inputs Picture  

Rear Inputs Picture  

Total Inputs  

HDMI  

4
4

USB  

2
2

Digital Optical Audio Out  

1
1

Analog Audio Out 3.5mm  

0
0

Analog Audio Out RCA  

0
0

Component In  

0
0

Composite In  

0
0

Tuner (Cable/Ant)  

1
1

Ethernet  

1
1

DisplayPort  

0
0

IR In  

0
0

Audio Passthrough 
 

ARC/eARC Port 
 

eARC
eARC

eARC: Dolby Atmos Over Dolby Digital Plus 
 

Yes
Yes

eARC: Dolby Digital Plus 7.1 
 

Yes
Yes

eARC: LPCM 7.1 Over Dolby MAT 
 

Yes
Yes

eARC: Dolby TrueHD 7.1 
 

Yes
Yes

eARC: DTS:X Over DTS-HD MA 
 

No
No

eARC: DTS-HD Master Audio 7.1 
 

No
No

eARC: LPCM Channels (Bitstream) 
 

7.1
7.1

ARC: Dolby Digital 5.1 
 

Yes
Yes

ARC: DTS 5.1 
 

No
No

Optical: Dolby Digital 5.1 
 

Yes
Yes

Optical: DTS 5.1 
 

No
No
Show Text 
Sound Quality

Frequency Response 
 

4.7
7.2

Frequency Response  

See details
See details

Low-Frequency Extension 
 

151.02 Hz
59.93 Hz

Std. Dev. @ 70 
 

4.18 dB
3.44 dB

Std. Dev. @ 80 
 

6.09 dB
4.12 dB

Std. Dev. @ Max 
 

6.56 dB
5.51 dB

Max 
 

83.4 dB SPL
88.7 dB SPL

Dynamic Range Compression 
 

3.96 dB
4.36 dB
Show Text 

Distortion 
 

6.4
7.7

Total Harmonic Distortion 
 

See details
See details

Weighted THD @ 80 
 

0.866
0.112

Weighted THD @ Max 
 

1.125
0.261

IMD @ 80 
 

5.39%
1.23%

IMD @ Max 
 

5.01%
2.44%
Show Text 
Smart Features

Interface 
 

8.5
8.5

Smart TV Picture  

Smart OS  

Tizen
Tizen

Version  

2021
2022

Ease of Use 
 

Easy
Easy

Smoothness 
 

Very Smooth
Very Smooth

Time Taken to Select YouTube 
 

2 s
2 s

Time Taken to Change Backlight 
 

7 s
5 s

Advanced Options 
 

Many
Many
Show Text 

Ad-Free 
 

0.0
0.0

Ads Picture  

Ads 
 

Yes
Yes

Opt-out 
 

No
No

Suggested Content in Home 
 

Yes
Yes

Opt-out of Suggested Content 
 

No
No
Show Text 

Apps and Features 
 

8.5
8.5

Apps Picture  

App Selection 
 

Great
Great

App Smoothness 
 

Very Smooth
Average

Cast Capable 
 

Yes
Yes

USB Drive Playback 
 

Yes
Yes

USB Drive HDR Playback 
 

Yes
Yes

HDR in Netflix 
 

Yes
Yes

HDR in YouTube 
 

Yes
Yes
Show Text 

Remote 
 

8.5
8.5

Remote Picture  

Size 
 

Small
Small

Voice Control 
 

Many Features
Many Features

CEC Menu Control 
 

Yes
Yes

Other Smart Features 
 

Yes
Yes

Remote App  

Samsung SmartThings
Samsung SmartThings
Show Text 

TV Controls  

Controls Picture  

Show Text 

In The Box  

In The Box Picture  

Show Text 

Misc  

Power Consumption  

45 W
76 W

Power Consumption (Max)  

149 W
181 W

Firmware  

1054
1098

Check Price

50"
 
50"
QN50Q80BAFXZA
SEE PRICE
Amazon.com
55"
QN55Q70AAFXZA
SEE PRICE
Amazon.com
55"
QN55Q80BAFXZA
SEE PRICE
Amazon.com
65"
QN65Q70AAFXZA
SEE PRICE
Amazon.com
65"
QN65Q80BAFXZA
SEE PRICE
Amazon.com
75"
QN75Q70AAFXZA
SEE PRICE
Amazon.com
75"
QN75Q80BAFXZA
SEE PRICE
Amazon.com
85"
QN85Q70AAFXZA
SEE PRICE
Amazon.com
85"
QN85Q80BAFXZA
SEE PRICE
Amazon.com

Samsung Q70A

Samsung Q80B [Q80, Q80BD] QLED

Comments

  1. Comparison

Samsung Q70A vs Samsung Q80B: Main Discussion

What do you think of these products? Let us know below.


Looking for a personalized buying advice from the RTINGS.com experts? Insiders have direct access to buying advice on our insider forum.

PreviewBack to editorFormat guide
No comments yet, refresh to see new ones