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Using our colorimeter, I found the Galaxy A51 covers 99% of the sRGB colour gamut in ‘Normal’ mode, with a total volume of 113%. Thanks to the screen’s AMOLED panel, contrast is effectively perfect and the screen is plenty bright, too. I measured a peak luminance of 478cd/m² with the auto-brightness setting engaged and a torch aimed directly at the ambient light sensor to simulate the brightest outdoor lighting. Samsung Galaxy A51 review: Performance and battery life External Memory may be used to store media (photos, video, and music files) but application storage on external device may be limited or unavailable on certain handset models. The A51’s camera works well enough when the light begins to fade, too. There’s a dedicated night mode in the “‘more” section of the phone’s camera app and it does a good job of brightening up low-light images while keeping visual noise to a minimum. The below picture was taken in my flat, with the curtains closed: There's no zoom, which is the classic sign of a multi-camera setup where extra lenses are used to bulk up the numbers. We can't blame Samsung completely for this, as it is not easy to fit a good zoom camera into a reasonably priced phone. As for video, the Galaxy A51 can record fully stabilised footage at up to 4K resolution, which is a nice addition for a phone at this price. Whatever resolution you choose, however, the A51 is limited to 30fps recording – the far cheaper Redmi Note 8T can shoot Full HD footage at 60fps. Samsung Galaxy A51 review: Verdict
There are a few little issues. You don't get a reliable view of the shot you take in the camera app. What you see is before the processing has been applied, with no indication of how much better HDR will make the picture look. The good news? That means the final image will actually be a lot better. The image quality of the A51’s FHD+ (2,400 x 1,080) screen is good for the price. There are two display modes to choose from, but I found the ‘Normal’ setting to be the most colour accurate with an average Delta E of 1.82. Likewise, If you prefer your phone screens with colour vibrancy dialled up to the max, then you’ll feel right at home with the phone’s ‘Vivid’ setting. The Samsung Galaxy A51's 5MP macro camera will not see you win a Wildlife Photographer of the Year award, but it is fun to play around with. You can get extremely close to your subject, and shoot objects the main camera won't even focus on. Its main issue, other than only passable image quality, is blurring. A little handshake movement will ruin your photos unless the light level is good. The Samsung Galaxy A51 performance with games that use the Vulkan graphics standard seems fairly poor. You have to run Ark: Survival Evolved at low graphics and reduced resolution to get it to a playable state, with greater visual sacrifices than a Snapdragon-powered phone with a GPU that should be similarly capable. You might have noticed that the A51’s Geekbench 4 benchmark results are roughly 15% weaker than those of last year’s model, the Galaxy A50, and the single-core test is 32% slower as well. Just to make sure this wasn’t a rogue anomaly, I ran the tests multiple times and got the same result each time.Features - Some Samsung Health/Fitness applications and related software is not intended for use in the diagnosis of disease or other conditions, or in the cure, mitigation, treatment, or prevention of disease. User Available Memory : User memory is less than the total memory due to storage of the operating system and software used to operate the device features. Actual user memory will vary depending on the operator and may change after software upgrades are performed. However, this phone holds on to its reporting of ‘100%’ charge level for quite some time. On a second attempt, with the battery level starting below full, it lost 10%. We also re-ran the test in bright conditions to make the Samsung Galaxy A51 use its boosted brightness mode. It lost 13% charge at max brightness. All of these results are good, suggesting any shortfall in battery is not down to the display. Battery capacity(mAh, Typical) - Typical value tested under third-party laboratory condition. Typical value is the estimated average value considering the deviation in battery capacity among the battery samples tested under IEC 61960 standard. Rated (minimum) capacity is 3,890 mAh. Actual battery life may vary depending on network environment, usage patterns and other factors. br>**Requires access to Samsung Account and acceptance to customized service prior to using the usage pattern analysis based service.
Estimated against the usage profile of an average/typical user. Independently assessed by Strategy Analytics between 2021.12.08–12.20 in USA and UK with pre-release versions of SM-S901, SM-S906, SM-S908 under default setting using 5G Sub6 networks (NOT tested under 5G mmWave network). Actual battery life varies by network environment, features and apps used, frequency of calls and messages, number of times charged, and many other factors. The Galaxy A51 has a 4,000mAh battery, which is about as low a capacity as we are comfortable with in a phone with a 6.5-inch screen. This is still a useful macro camera, and offers another way to think about how you take photos. The Samsung Galaxy A51 is one of the cheaper phones we've seen with an acceptable macro camera. Samsung does not seem too proud of it, though, as you have to dig into the extended menu to find the macro mode. We would not be surprised if many A51 owners never do.
Plan Benefits
Like most phones at the price, the Samsung Galaxy A51 offers no official water resistance. But it does have a 3.5mm headphone port, which is handy if you are yet to make the jump to Bluetooth headphones. The Galaxy A51 gains a slight advantage in the graphics tests. Here, the A51 delivers more frames per second in the GFXBench Manhattan 3.0 benchmark than both the A50 and Redmi Note 8T but it doesn’t quite reach the same score achieved by the Pixel 3a, which employs the Snapdragon 670: Data - Internet connection required. Data and subscription charges may apply. Content subject to availability in country.
It's not hard to spot the filler: those two 5MP cameras. But this case is much less egregious than, for example, what Oppo has tried recently. The Oppo A9 2020 has a couple of intensely useless 2MP cameras.The Samsung Galaxy A51 has a 6.5-inch Super AMOLED screen with a 1080 x 2400 resolution. This is an instant win on paper, as many phones at the price have LCD screens.
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