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The best Redmi: Xiaomi Redmi 9A vs Redmi 9C vs Redmi 9

If you are looking for an affordable entry-level Smartphone at Xiaomi, you will find it three times with Redmi 9A, Redmi 9C and Redmi 9. We explain the differences.

There are three Redmi-9-models. However, Xiaomi obviously does not want buyers to easily understand which device can or which is the best. The naming of the Smartphones cannot be explained otherwise. While other providers follow a largely logical nomenclature, Xiaomi seems to use an inscrutable jumble of additional letters.

Redmi stands for cheap at Xiaomi – so far, so good. But why a device without an additional letter is better than a model with, remains a secret of the manufacturer. Especially since this is exactly the other way around with the Redmi Note 9 models, as we have already done in our article differences: Xiaomi Redmi Note 9 vs Note 9S vs Note 9 Pro.


Visually, the biggest difference is the placement of the cameras (s) on the back. With the Redmi 9a, the manufacturer places the camera unit upright in the upper left corner, with the 9C it is also top left, but Square and with the Redmi 9 (review) again elongated, but in the middle of the upper area with adjacent sensors and LED flash. The Rest is largely identical: plastic instead of glass for the back, which is perfectly fine in this price range, drop Notch on the Front and similar dimensions as well as weight.

With the Display there is the first big difference. Although the panel size of 6.53 inches in diagonal is the same for all three models, only the Redmi 9 without additional features offers Full HD+ (2340 × 1080 pixels) and thus comes to almost 400 pixels per inch (PPI). On the first two models with only 1600 × 720 pixels, it is hardly more than 260 PPI. Otherwise, there is still Gorilla Glass 3 on the Redmi 9, with the other two models the manufacturer is silent about the Material. The Rest is the same.


With the main camera, all three models go different ways. The cheapest model, the Redmi 9A offers just a single lens with 13 megapixels and f / 2.2 aperture. The Redmi 9C adds macro lens and depth sensor with 5 and 2 megapixels and the Redmi 9 also offers a wide-angle lens with 8 megapixels and f/2.2 aperture. This makes the most expensive model the most universally applicable, at least on paper. This also works quite well in practice, under proper light conditions the image quality in the Test convinces in Relation to the price on the whole line. In low light and for Videos, however, interested parties should rather resort to high – priced models-this should apply to all three Redmi-9 devices. The front camera also has the Redmi 9 in front. The cheaper models offer only 5 megapixels, with the 9er there are 8.

Xiaomi also ranks the three Redmi-9 models according to price. The 9A comes with a Mediatek Helio G25, the Redmi 9C with a Helio G35 and the Redmi 9 with Helio G80 to the customer. In the Antutu Benchmark, the chipset in the Redmi 9 is about twice as strong as the G25 in the 9A model, just as important is the amount of RAM. Because while there are Redmi 9A and 9C only with a maximum of 2 GByte, the most expensive Redmi 9 model with 3 and 4 GByte RAM is offered. In the longer term, this should offer tangible benefits in everyday life as the Redmi 9 does not reach its limits so quickly. This also applies to the internal memory. All three Smartphones are available with 32 GB, the Redmi 9 is also available with a variant with 64 GB.


All versions accept Micro SD cards with up to 512 GByte. Apart from chipset and memory, the biggest difference is the lack of NFC in Redmi 9A and 9C – if you want to pay contactless with your Smartphone, you can’t avoid the Redmi 9. Xiaomi also saves on security with the cheapest model: it is the only device in this comparison without a fingerprint sensor. It is installed on the back of Redmi 9C and Redmi 9. All three models come with Android 10 and MIUI 11.

At first glance, the battery is in a tie: all three Redmi-9 models have a powerpack with 5020 mAh. However, due to the different display resolutions and chipsets (every 12 nm strong), the running times may vary-we are counting on the Redmi 9 (test report) as the tail light, but due to the lack of test equipment availability of the two cheapest Redmi 9 models, we cannot substantiate this assumption. However, the Redmi 9 showed a solid value in the test report with around 9 hours of continuous use, so the other two models should perform even better. There is a difference in the charging speed. Although all three models come with 10-Watt chargers to the customer, the charging time of the Redmi 9 can be shortened with a charger of at least 18 watts.

For the Redmi Note 9 models, we have recommended in our comparison article the middle model, the Redmi Note 9S, because in our opinion it offers the best price-performance ratio. With the Redmi-9 Smartphones in this article it is different, here is for us clearly the most expensive model, the Redmi 9 (review), the number one. Because it is the only one of the three Smartphones to offer a sharp Display, the most universal camera, the fastest chipset with the largest memory, the largest internal memory and NFC. Even with the battery there is a small advantage, at least with the charging speed. All of this makes the Redmi 9 the best of the three Redmi 9 models-especially since it is no more expensive than the hard-to – get Redmi 9C in the small storage variant

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