The Samsung Q8F / Q8 is a 2018 QLED TV with great picture quality, especially in a bright room due to the high peak brightness and excellent reflection handling. It performs very well for any usage with great motion handling, an excellent response time, and very low input lag. Unfortunately, the image loses accuracy when viewed at an angle and the gray uniformity is only decent.
The design of the Samsung 2018 Q8 is great. It has a very modern look with sleek lines and a nice finish. The legs are solid and wide set, but they might not fit on some tables. It includes the same excellent cable management system found in the NU8000. The TV does not include the OneConnect box found on the higher-end Q9FN. The connections are all side-facing but in the TV frame, so it is difficult to reach the connections when the TV is wall-mounted.
The back of the Q8FN is nearly identical to the NU8000. It has the same cable management system which works exceptionally well for guiding all of the cables either through the legs or through the bottom of the TV when wall-mounted.
The inputs are all inset into the back of the TV and are difficult to reach if wall mounted.
Very uniform temperature, almost no difference across the entire TV. The top edge is warm to the touch, but not enough to cause any issues.
Excellent build quality. There are no gaps in the construction. It is mostly plastic but there are some metal parts. It feels well built and solid. The back panel has a lot of flex in the middle where the VESA mounts are located, and the corners of the bezel are slightly cracked but this should not cause any issues.
The 2018 Samsung Q8F QLED TV has great picture quality. It has an excellent native contrast ratio with really deep blacks, and the full array local dimming feature is able to boost the black levels for great dark room viewing. Real scene brightness is good, and small highlights stand out really well. HDR highlights are extremely bright and are able to surpass the 1000 cd/m² target for HDR content. Like all VA panels it has a narrow viewing angle, but it has excellent reflection handling which is great for a bright room. The color management system is not very effective, but with the proper settings colors are accurate for most people. The Q8FN has an excellent color gamut, and has the best color volume we have ever measured.
Excellent contrast ratio on the Samsung Q8F. It features a full array local dimming feature and is able to get very deep blacks. To measure the native contrast ratio without local dimming we had to disable it in the advanced service menu, as local dimming cannot be disabled in the standard menu.
Decent local dimming on the Q8FN, very similar to the Sony X900F. The Q8FN does not completely turn off zones that were far away from our test dot. The Q8FN has less visible blooming than the X900F, but the black levels are not as deep.
Update 01/08/2019: The Q8FN in Europe does not have a full array local dimming feature, but is instead edge-lit. Samsung has instead released the Q8DN, which has the same full array local dimming feature as the one we have tested.
Excellent peak brightness with SDR content. Highlights are very bright and stand out. The 2018 Q8FN is much brighter than last year's Q8C. Real scenes are not as bright as our test windows, but still bright enough for most rooms.
Very good brightness with HDR content. Small highlights are hitting the target 1000 cd/m² that HDR is mastered for. The screen brightness dips considerably with very bright scenes, but is still good for a bright room. Similar brightness to the LG C8, but with brighter highlights in very dark scenes, as shown by the small window tests.
Update 04/27/2018: The text has been edited for clarification.
Decent gray uniformity, but worse than last year's Q8. The sides of the Q8FN are darker than the rest of the screen, but this isn't as noticeable as when it is in the center. The center of the screen is not uniform, this will be noticeable when watching sports like hockey or football with large areas of uniform color in the center of the screen.
The Samsung Q8 has a poor viewing angle, the picture quality degrades when viewed off angle. Blacks turn gray and colors shift even with a small angle. This TV is not a good choice for a room with side seating or even with a large couch. These results are typical of VA-type panels. OLED panels like the LG C7 have much better viewing angles.
Great black uniformity. We disabled the local dimming feature in the hidden service menu to get an accurate test. Without local dimming there is some clouding visible around the cross, but dark room viewing should still be great for most people.
With local dimming on max there is less clouding around the cross. The full array local dimming is effective at turning off zones.
This is a significant improvement over the 2017 Q8F/C, as it was edge-lit and could not fully disable the dimming zones around the test cross, which causes lots of vertical blooming.
The 2018 Q8FN has excellent reflection handling. Reflections are well defined but at a much lower intensity, as such there is much less glare. The anti-reflection coating gives reflections a slight purple tint, but this isn't really noticeable. This TV is excellent even for a very bright room.
Sub-par color accuracy out of the box. The best settings pre-calibration are with the Movie picture mode. Even in this mode, the Gamma does not tracking our target, and both white balance and color dE are too high. The color temperature is too warm, colors are shifted with more of a red-yellowish tint.
After calibrating on the Movie picture mode, with color temperature set to 'Warm1', white balance is corrected and the color temperature is much closer to our target. Gamma follows our target curve perfectly. The color space settings are not very useful and it was not possible to fully correct color accuracy, although it is good enough that most people won't notice.
You can see our recommended settings here.
Excellent wide color gamut. The Q8FN can display nearly 100% of the P3 color space, and has the highest Rec.2020 coverage we have ever seen, although it is very close to the 2017 Q9F.
The Movie mode follows the PQ curve almost perfectly until it rolls off at the TV's peak brightness. The Game EOTF curve also follows our input closely, which is good.
Update 04/26/2018: PC mode's EOTF also follows the target fairly well, although it is a little dimmer.
The Samsung Q8FN does a good job displaying our test gradient. There is some banding visible, especially in the darker colors.
Like most Samsung TVs, there is no temporary image retention on the Q8FN.
We don't expect VA panels to experience burn-in, as the VA panel in our long-term test appears immune.
Great motion handling on the Samsung Q8FN. The backlight does flicker, but with normal viewing, it is at a high refresh rate and should not be noticeable. It has an excellent response time and supports 120 fps motion interpolation even in game mode. The backlight adjusts depending on the content played and options selected, so there are fewer motion duplications. It is very good at removing 24p judder, but wide-panning shots at 24fps stutter due to the excellent response time.
The Q8FN has an excellent response time with very little overshoot. The left and right sides of the chart do not line up due to the local dimming feature.
The Q8FN uses PWM to dim the backlight, and it flickers regardless of backlight setting, even at 100%. The flicker changes considerably depending on settings. Normally, it flickers at 480 Hz, which shouldn't be noticeable and creates little motion duplication. This is much better than last year's Q8C, and almost as good as Sony's X900F.
When in 'Game Mode', or if 'Auto Motion Plus' is enabled, the backlight changes to a 120 Hz flicker which is more noticeable. When we sent a 1080p 120 Hz signal, the backlight changed to 360 Hz.
Here is a plot of the different backlight settings.
The Samsung Q8FN has an optional BFI mode called 'LED Clear Motion' that adjusts the flicker depending on the content to help motion appear more clear.
BFI on the Q8FN is able to flicker at a variety of frequencies, as low as 60Hz to help fluidity of motion with 60 fps content. Similarly to the NU8000, it is also available in 'Game Mode'.
When in 'Game Mode', or if 'Auto Motion Plus' is enabled, the backlight changes to a 120 Hz flicker, and with a 1080p 120 Hz signal it changed to 360 Hz. You can see a plot of the results here.
The Samsung 2018 Q8FN has a 120Hz panel, and can interpolate lower frame rate content up to 120 Hz. This helps motion appear much smoother, but it can sometimes get it wrong and cause motion artifacts. In scenes with lots of motion the TV stops interpolating, preferring to maintain quality similar to the LG C8. This effect can look strange to many people and is also known as the 'Soap Opera Effect'.
Interpolation is activated by setting 'Auto Motion Plus' to 'Custom'. The 'Judder Reduction' can be adjusted for low frame rate content, and the 'Blur Reduction' slider can be adjusted to help clear up motion on 60 fps content.
The flicker changes to 120 Hz when 'Auto Motion Plus' is enabled as seen here
Each 24 fps frame is displayed for nearly half the cycle, which can make this type of content stutter, especially with wide panning shots. 60 fps content appears smooth and is a good improvement over the 2017 Q8.
The Q8FN is almost always judder-free, but when playing 24p content through a streaming device at 60i, it was inconsistent. This result is unexpected, although we have similar results with other Samsungs we have tested. We will retest this with each firmware update. This will not be an issue for most people.
The Samsung Q8FN does not support FreeSync from our Radeon RX 580 GPU. We tried multiple combinations of 'Game Mode', 'PC Mode' and different refresh rates but FreeSync was never detected as supported.
Update 05/23/2018: Firmware version 1103 has added Freesync support. We are currently testing it and will update the review shortly.
Update 06/08/2018: FreeSync has been tested and the score has been updated. FreeSync was supported from our Xbox One S and our Radeon RX 580 GPU, in 1080p, 1440p and 4k resolutions. FreeSync is activated by enabling the TV's Game mode and FreeSync settings; PC mode is not required. We tested in Ultimate mode because it has the widest range, and we only recommend Basic mode when you experience problems with Ultimate.
Excellent low input lag on the Samsung Q8FN QLED TV. Input lag is exceptionally low with 120 Hz content, similar to the NU8000, and better than the LG C8. It can display most resolutions without any issues, but chroma 4:4:4 is not supported in PC Mode with a 1440p@120Hz signal. Like other 2018 Samsung TVs, the Q8FN does not support DTS passthrough to an external receiver, but this shouldn't be an issue since most media supports both. The Q8FN supports auto low latency mode (Also known as auto game mode), and it works perfectly with an Xbox One S/X or Playstation 4.
1440p @ 120 Hz: 10.0 ms
Excellent low input lag across all input resolutions and refresh rates, as long as 'Game Mode' is activated. The 1080@120 Hz input lag is exceptionally low, which is great for Xbox One X gamers, as the Xbox One X will soon support 120Hz @ 1080p and at 1440p.
2018 Samsung TVs including the QLEDs and the NU8000 support 'Game Motion Plus', which interpolates lower frame rate games up to 120 Hz while in 'Game Mode'. This feature causes a small increase in input lag. When interpolating up to 60 Hz input lag is 20.8 ms, and when interpolating up to 120 Hz it is 26.6 ms. This is still low and most games should feel responsive.
The NU8000 and the Samsung 2018 QLEDs added support for Auto Game Mode. When it is enabled from the input menu, the TV will automatically switch to Game Mode when it detects a game being played on a console. We tested it on a PS4 and Xbox One S and it worked perfectly.
Update 06/08/2018: The input lag with VRR has been tested and added to the review.
Update 06/11/2018: 1440p @ 120 Hz performance has improved as of firmware version 1103. The 1440p @ 120 Hz input lag is now 10.0 ms, down from 25.0 ms.
Most common resolutions and refresh rates are supported without issue. Like the NU8000, the Q8FN does not support 1440p@60Hz, and in PC mode with a 1440p@120Hz signal the TV does not display chroma 4:4:4 properly, as colors appear washed out.
Unlike last year's Q8C and other 2017 Samsungs the Q8FN supports 120Hz input.
The Q8FN does not support DTS passthrough like the NU8000. This should not be an issue since most media provides both DTS and Dolby Digital sound streams.
The Samsung Q8F has an average sound quality. This TV gets decently loud, but it may not be loud enough for all scenarios, especially large and busy environments. It also produces a decent amount bass for a TV and has a well-balanced sound. However, compared to a good dedicated speaker setup, it lacks thump and rumble in the bass range and doesn't have a built-in room correction system.
The frequency response of of the Q8FN is below-average. Low-frequency extension (LFE) is at 76Hz, which is quite decent for a TV. This means that this TV will be able to produce some punch and kick, but no thump or rumble in the bass range. The response above the TV's LFE is decently flat and well-balanced, but because this TV doesn't have a room correction system, it wasn't able to remove the modes of our test room around 200Hz. The Max SPL of 85.5dB is above-average, but may not be enough for loud environments.
The Samsung Q8 has a decent distortion performance. The overall THD response is elevated, especially in the bass range. Also, there is very little difference between the amount of THD produced at 80dB SPL compared to max volume, which is good, but this TV doesn't get very loud.
The Samsung Q8F runs Samsung's 2018 Tizen Smart Interface. It is well organized and easy to use, but the performance is inconsistent and animations sometimes drop frames. The smart features are not as advanced as the new offerings from LG and Sony, and the remote app is very basic. The remote itself is of good quality, small but easy to use and durable. Like all Samsung TVs, there are ads throughout the interface and there is no way to disable them through the settings.
The interface of the Q8FN is well organized and intuitive. The interface is inconsistent, occasionally dropping frames on animations. The 2018 Q8FN and NU8000 are worse than last year's models.
Like all Samsung TVs, the Q8FN has ads throughout the home menu, as well as suggested content within the app store. They are not always there, and there is no option to disable them.
Samsung's app store has one of the widest selections of apps, although not quite as many as the Google Play Store on Sony TVs.
The Samsung Q8 features a new Ambient Mode, which allows you to customize what the TV displays when it is inactive. There are options to display a clock, the current weather, photos, etc...
The remote is the same as the one found with the NU8000. It provides basic access to the most common functions, but for more advanced options you have to either navigate the menu or use Samsung's Bixby voice assistant.
The voice assistant works well, but is not as advanced as LG's. It can change inputs, open apps, or answer basic questions ("How's the weather in Montreal?"), but it cannot search within apps or do wider content searches.
The remote app is very basic. It can only function as a limited replacement remote. Competing remote apps from LG and Sony provide voice control and the ability to stream files from your mobile device.
It can also control the new 'Ambient Mode', allow you to customize what the TV displays when it is in sleep mode.
Update 04/27/2018: 'Launches Apps and Inputs' has been corrected to 'No', because the app's 'Source' button only acts like the 'Source' button on many remotes, and does not launch inputs directly.
Update 06/04/2018: We have retested the SmartThings remote app with a Moto E4 and the voice control now works. The remote app can perform the same voice commands as the smart remote. The score has been updated.
We tested the 55" (QN55Q8FN) version FA02. For the most part, we expect our review to be valid for the 65" version (QN65Q8FN) and 75" version (QN75Q8FN).
In the EU, Samsung has released both a curved variant and the flat version of the Q8FN. Both of these are edge-lit TVs and will not feature Full-Array Local Dimming. While we will not be reviewing the EU variant, we expect the performance to more closely match that of the Q7FN.
If someone comes across a different type of panel or if their Samsung Q8FN doesn't correspond to our review, let us know and we will update the review.
Update 07/06/2018: We estimate our 55" model to have 40 local dimming zones. There was initially a rumor that the 65" model has many more (240) however this doesn't appear to be true, so we do expect these larger sizes to offer similar dark scene performance.
Update 08/01/2018: Samsung has announced that they will begin selling the Q8DN in Europe. The Q8DN is the European equivalent of the U.S. model, including Full-Array Local Dimming.
Update 08/20/2018: Samsung has announced that they will be releasing an 82" model.
The Samsung Q8FN is a strong performer in both dark and bright rooms. It is great for any usage but comes at a very high price. See some of our comparisons below for how it compares to other TVs on the market. See our recommendations for the best flatscreen TVs and the best smart TVs.
The Samsung Q8FN is slightly better than the Sony X900F. The Q8FN has better reflection handling, although the Sony X900F is brighter. The Samsung Q8FN is better for gaming, as it has lower input lag, and it supports FreeSync and automatic low latency mode. The Sony X900F has a better response time, so motion is clearer with less blur, but the Q8FN is excellent as well. While both TVs have an optional black frame insertion feature, the Q8FN can flicker at a lower frequency, which is good for content with a lower frame rate.
The Samsung Q9FN is slightly better than the Samsung Q8FN. The Q9FN has better dark room performance thanks to the better local dimming feature and better black uniformity. Overall performance is very similar between the two. The Samsung Q8FN does not use the One Connect box and all connections run to the back of the TV towards the side.
The Samsung Q8FN is a bit better than the Samsung Q7FN for most users, unless you want a cleaner wall mount installation with the One Connect box. The two TVs offer nearly identical picture quality, but the Samsung Q8FN has a better local dimming feature.
The Samsung Q8FN is better than the Samsung Q6FN. The Q8FN has better local dimming and can produce better blacks, which is great for movies in a dark room. It also has better reflection handling, so you can place it in a bright room with no issues. The Samsung Q8FN handles fast action and sports slightly better as it has a better response time.
The LG C8 is better than the Samsung Q8FN, unless the possibility of burn-in with an OLED TV concerns you. The C8 delivers perfect dark room performance with perfect blacks, as well as much wider viewing angles great for a large seating area, as well as perfect black uniformity and a near instantaneous response time. This comes at a cost, as the OLED panel is prone to temporary image retention and permanent burn-in. The Samsung Q8FN is brighter and doesn't experience image retention.
The Samsung Q8FN is better than the Samsung NU8000. The Samsung Q8FN has a full array local dimming and can deliver a better dark room performance. Also, the Samsung Q8FN can handle reflections better thus minimizing distractions.
The LG B8 is better than the Samsung Q8FN for most people, unless burn-in is a concern. The LG B8 is an OLED TV with perfect blacks that delivers outstanding dark room performance. The LG is better for a room with a wide seating arrangement, as it has better viewing angles and can handle the reflections of multiple small light sources better. On the other hand, the Samsung Q8FN is more responsive to your actions due to the lower input lag, supports FreeSync VRR, and can get very bright to fight glare of bright rooms.
The Samsung Q8FN is marginally better than the Sony X950G. The Samsung Q8FN has better reflection handling and better BFI implementation. Also, if you are a fan of gaming, the Samsung is loaded with gaming goodies like auto low latency, low input lag with motion interpolation in game mode, and FreeSync variable refresh rate support.
The Samsung Q8FN 2018 QLED TV is better than the Samsung Q8C 2017 QLED TV. The Q8FN features a full array local dimming system that delivers a better dark room experience than with the Q8C's edge-lighting. The Q8FN is much brighter, good for overcoming glare in a bright room and has new features for gamers including VRR and Auto Low Latency Mode.