The Hisense U7KAU 2023 is a mid-range Mini LED and Quantum Dot VA LCD TV. It has a mini-LED backlight, local dimming zones, and colourful Quantum Dot colour with an LCD technology panel. It has 1000 nits and 200-500 dimming zones (size dependent).
Below this is the U6KAU (600 nits and <200 dimming zones), and above it is the U8KAU (1500 nits, 500-1000 dimming zones) or the UXAU (2500 nits, 5000+ dimming zones). It is the ‘better’ in the ‘good, better, best and fantastic’ range.
Joe and Jane Average will love it
It presents an attractive feature/price package for Joe and Jane Average. Its best use is in a bright Aussie Loungeroom, watching SDR (Standard dynamic range) Free-to-Air TV, occasional HDR (high dynamic range and Dolby Vision) and listening via its 2.1 speakers. Gamers will also appreciate the full HDMI 2.1 implementation for 4K@120/144Hz and its game mode.
Videophiles will eschew it.
We are not bagging the Hisense U7KAU. It is just that a lower price is incompatible with videophiles’ performance expectations. They should look at the Hisense U8KAU and UXAU because, on paper, at least, these look closer to satisfying the HDR/HDR10+/Dolby Vision IQ standards. So, apologies to Hisense – it is not you but those damned videophiles.
We only have two caveats that average users need to know.
First, VIDAA 7 does not support all Australian digital streaming channels like 7 Plus. If you need digital streaming over Wi-Fi/Ethernet, get a low-cost 4K HDMI streaming dongle like the Google TV Chromecast, Amazon Fire TV, or Fetch Mighty. To be clear, it does support all TV channels via the TV aerial.
Second, the TV sound is loud and pretty good, but a low-cost 3.1 soundbar (or 5.1.2 or higher Dolby Atmos soundbar) will increase sound quality. Read How to buy a soundbar that meets your needs? and Five Tips for Better TV sound – Dolby Atmos for beginners.
Note: All specs are for the 65” 65U7KAU model. The letter K is for the 2023 model, and AU is for Australia. You must disregard any international reviews as these are invariably based on different panels, operating systems, and electronics to those used in UK, European, Chinese, and US models (uses Google TV).
We use Fail (below expectations), Pass (meets expectations) and Exceed (surpasses expectations or is the class leader) against many of the items below. We occasionally give a Pass(able) rating that is not as good as it should be and a Pass ‘+’ rating to show it is good but does not quite make it to Exceed. You can click on most images for an enlargement.
First Impression – Bright and colourful – Pass+
TVs are big glass slabs with little to distinguish them apart. It is well-finished, made from quality materials and should last the distance we expect from TVs.
That, however, is entirely dependent on TV Operating system updates and security patches. We know Google (Android) TV, LG, and Samsung have made overtures about three years of support, but we have no firm indication of Hisense’s policy (we will update this if we find an official policy). What you must remember is that you pay more for products with longer support.
We have a 75” for review. As far as we know, the panel size and weight are the only differences in teh range. All images are from the review set.
It has a claimed 1000 nits peak brightness/5000:1 contrast/384 dimming zones (the Hi View vision processor independently controls these groups of LEDs).
It is a big step up from the entry-level 6KAU (600 nits/1200:1 contrast/192 dimming zones). And regrettably, it is a fair step down from the U8KAU (not reviewed – 1500 nits/5000:1 contrast/672 dimming zones). I suspect that the 8KAU is its biggest competitor, with the 65” seen as low as $2300.
Overall, it is an attractive package with aluminium bezels, two adjustable feet (width, not height), a metal and plastic back, and an imposing sub-woofer at the rear. At the bottom bezel is a power button/indicator, microphone, and mic on/off switch (for use with Hey VIDAA or Alexa).
The power socket is on the right, and the AV sockets are on the left. It is 79mm thick, 400 x 300 VESA wall mountable and, at 20kg, should not need wall reinforcement.
Hisense U7KAU test preamble (75” 100 nits, 5000:1 contrast, 512 dimming zones)
The 55/65/75/85” each use a similar 1000 nits, 5000:1 contrast, 8bit+FRC/1.07 billion colour, 95% DCI-P3, 100/120Hz, VA Mini LED panel. They all use the Hi-View 4K MediaTek MT9618 engine and ARM Mali-G52 GPU.
The larger the screen, the more energy it uses (100” is over 500W), and the same processor must control more dimming zones. We make the point because the image quality/appearance/upscale performance may decrease as you get a larger screen.
Joe and Jane Average will see a bright, saturated screen (especially in-store demo mode). The reality is this is not reality.
When you get it home (out-of-the-box), it is not calibrated to show the best image. What is the best image? To Joe and Jane, it is a bright, overly colourful one. To a videophile, it lacks natural colours, full dynamic range, and much more.
The SDR (standard dynamic range) video presets include:
Standard: Bright and colourful but in no way natural colours or contrast (default setting)
Cinema Day: Closer to natural colours but looks dull.
Cinema Night: Closest to natural colours but even duller unless you are in a dark room.
Dynamic: Overblown, little detail in highlights or shadow and over-saturated colours. For rooms with poor ambient light control but overpowering in the dark.
Sports: Best for football or other grass oval sports – handles large patches of green well. It tends to remove colours and tones – it is all ‘green’.
Filmmaker: What the filmmaker intended but not what users like unless viewing in low light.
The other setting is Content Auton Detection (turn it on) when it receives HDR (movie x movie), HDR10 (movie x movie), HDR10+ (frame x frame) and Dolby Vision (frame x frame) metadata. That calibrates the image automatically.
Hisense also has a tutorial here that explains calibration.
Our test calibration
We used Cinema Day with local dimming set to high, 50% brightness, 80% contrast, Warm 2, Gamma 2.3, Adaptive contrast high, and Adaptive Light Sensor off. This gives a Delta E of about 3.6 (<4 is good), but professional calibration could get this <2.
Videophiles will still see crushing in dark areas, blown-out highlights, blooming, and more imperfections.
Summary: The out-of-the-box presets need work, and Hisense should address this. Standard mode is suitable for SDR free-to-air TV but not outstanding for HDR/HDR10/HDR10+ and Dolby Vision.
Colour – Pass
It can reproduce 1.07 billion colours/shades with a 100% SRGB and 97% DCI-P3 colour gamut.
Our tests’ primary colours, red, green, and blue (RGB), were 100% accurate in SDR (standard dynamic range), although that was after a bit of tweaking.
Primary colours are accurate
The more shadow boxes you can see then better.
Gradients are good.
Dolby Vision/HDR10+/HDR10/HDR/IMAX Enhanced – Pass
We extensively test with HDR content up to Dolby Vision.
The TV handles HDR/HDR10 (metadata sets the calibration for the entire movie) quite well.
It has an average representation for Dolby Vision and HDR10+ (frame-by-frame). It overly brightens all HDR content. Blacks are crushed, and shadow detail is harder to make out when watching in dim surroundings.
We feel Dolby Vision IQ is a tad too aggressive. However, leave it on as it adjusts the gamma and tone mapping to match the room conditions.
Cinema Day calibrated – pretty good image.
Standard mode – not calibrated
Dynamic Mode – not calibrated.
Brightness – Pass
Hisense claims 1000 nits, and it probably can achieve that in Dynamic mode with ALS on in a tiny part of the screen (2 and 10% for a microsecond)
But after tweaking and repeated tests with SDR content, we could only get 375/580 nits. The highest was 720 nits in 25% of the screen. This is odd.
1% 270
2% 375
5% 530
10% 580
25% 760
50% 650
75% 620
100% 550
After investigation, we discovered that the Local Dimming is overly aggressive to reduce blooming (more later), and as a result, the TV does not (at least in our tests) reach 1000 nits.
SDR TV content is acceptable at 375/580 nits in a typical Aussie lounge. Images look natural and colourful. Blacks are not inky, and there is some visible crush within mixed-contrast scenes, but we don’t think users will notice for normal day-to-day viewing.
Tone Mapping clips detail in the over about 700 nits. Subtle, dark colours, a.k.a. Blade Runner, look like they are merging.
Calibrated Standard mode.
Contrast – Pass
Contrast is the difference between the panel’s blackest black and the whitest white. The lower the ratio, the greyer the blacks are. This claims 5000:1, which is static contrast – a popular marketing term.
Test with local dimming set to maximum was 5175:1 and 4050:1 set off. The actual dynamic contrast ratio is about 2500:1, which is still well above an IPS panel (around 1500:1) but well below OLED’s infinite ∞:1 contrast (on/off 100% white/black)
Calibrated – shows bars to 99%
Standard – bar to 89%
Dimming Zones and Blooming – Pass
As we found in Brightness, the 384 diming zones have overly aggressive brightness control to minimise blooming between zones. For SDR TV, you won’t notice it, but there is a noticeable blooming cloud around white, letting on a dark background. It gets worse as the image moves between sones. Content tends to wash out in overly bright or dark areas.
Our moving test shows what happens when it entres a new dimming zone.
Motion smoothing – Pass
It is a 100Hz panel (Australian electricity is 50Hz) and offers Motion Smoothing 200 (this is not a Hz rating). As far as we can tell, it is a mix of BFI and AI predictive insertion (the difference between the actual frame and the subsequent frames and recognised shapes); ergo, there is some motion tearing and a little lack of sharpness at 50Hz or more. There are visible artefacts around fast-moving objects.
Calibrated Standard
Upscale – Pass
Hisense’s Hi-View Engine controls everything. We test with 480/7320/1080p content. In the most basic sense, it upscales to 4K (in 1080p’s case) by surrounding each real pixel with four more.
The 75” tested was not good at 480p/720p content. It must create so much detail that this content looks too soft, blurry, and lacks dynamic range, especially in action scenes.
While Hisense has sufficient AI (from machine learning) to recognise specific objects and colours to temper straight pixel insertion and sharpen the image, it only really works well on 1080p. Even then, object edges can be false.
Caliibrated – maximum sharpness Standard
CyberShack’s view – The Hisense U7KAU is a good SDR and an average HDR TV.
As I expect that only videophiles will have read to this point, let me say that you get what you pay for. This is second up the Hisense mini-LED ladder and does a creditable job.
Joe and Jane will love it, never knowing what they are missing. The kindest thing for them would be for the salesperson to upsell to the U8KAU (not tested, but the specs look pretty good). However, as we in-the-know, know, Aussies that don’t know buy the biggest TV they can for the price. Their kids will love the gaming potential of HDMI 2.1 and games mode.
Videophiles are a hard lot to please. If you spend the time (or money) calibrating this, it outperforms any Quantum Dot FALD, Direct-lit, Back-lit or Edge-lit LED/LCD TV. You may be surprised to see how many so-called great TVs are edge-lit (for example, Samsung’s Frame and its Q70, Q60 and Crystal range).
Competition – Hisense U7KAU
The battle for the mini-LED market has begun with Hisense having four models.
TCL is its closest competitor with the C845 (45 means 2023). It is ahead with 2000 nits (vs 1000), 500 dimming zones (vs 384) and some impressive AI technology that is like putting an automatic car in drive and letting it figure out how to get the best picture. It also has a Google TV operating system. On paper, at least, it is above the U8KAU. Read TCL C845 – a superior Mini-LED with the lot.
LG does not have a current 2023 Mini-Led, and Samsung TVs universally do not support Dolby Vision content.
Rating – Hisense U7KAU
Features: 85 – It has all the hardware you need but not as much AI as some competitors. It loses points for the IR remote chock-a-block with streaming presets that most will not use. The sound is quite good.
Value: 85 – It is good value if you get it for $1795 (seen at JB, so most will price match). If you pay RRP $2299, the TCL C845 at $2195 is better value and performance. Its real competition is the Hisense U8KAU RRP $2499, which savvy shoppers will get for <$2200.
Performance: 85 – It loses points for out-of-the-box calibration. Standard and Dynamic modes are overly bright with over-saturated colours. If you take the time to read up on Calibration and do the basics, it can produce a 9/10 picture.
Ease of Use: 80 – VIDAA is easy to use but lacks a few digital streaming services. It is also full of bloatware that you cannot delete. The absence of online manuals for VIDAA U7 and user guides for the hardware must be addressed.
Design: 80 nothing is outstanding – a big glass slab with two ordinary legs. It loses points for the IR remote (most competitors provide a combination Bluetooth and IR remote).
Final Comment – Hisense U7KAU
Joe and Jane will love it. A 65” Mini-LED at that price beats all the LED/LCD QNED, QLED, Crystal, UHD, FALD, and Edge-lit TVs.
Videphiles may be tempted by the U8KAU and definitely tempted by the UXAU that, on paper, looks spectacular.
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