Processor and memory
CPU: MediaTek Helio G88
GPU: Arm Mali-G52
Storage: 4 + 64GB, 4 + 128GB, 6 + 128GB (LPDDR4X + eMMC)
Memory extension: Yes
Display diagonal: 6,5 inches
Display resolution: 2400 x 1080 pixels
Display frequency: 90 Hz
Display Type: LCD
Screen Protector: Corning Gorilla Glass 3
Multitouch: 10 fingers
Main camera: 50 MP Samsung S5KJN1 (f / 1.8 aperture)
Ultra wide angle camera: 8 MP Sony IMX355 (120 ° - f / 2.2 aperture)
Macro camera: 2 MP (f / 2.4 aperture)
Depth camera: 2 MP (f / 2.4 aperture)
Front camera: 8 MP (f / 2.0 aperture)
Dual SIM: Yes
SIM size: Nano SIM
2G GSM: 850 900 1800 1900MHz
3G WCDMA: 1/2/4/5/8
4G LTE FDD: 1/2/3/4/5/7/8/20/28
4G LTE TDD: 38/40/41
WiFi: 802.11 a / b / g / n / ac
NFC: Yes (EU version)
* Ambient light sensor
* Proximity Sensor
* Gyroscope (virtual)
* Fingerprint Sensor
* IR transmitter
Battery: 5.000 mAh
Fast charge function: 18 Watt
Qi store: no
Operating system: Android 11 (MIUI 12.5)
Audio: 3.5mm headphones / stereo speakers
Size: 161.95 75.53 x x 8.92 mm
1x protective cover
1x charger (22.5W)
1x USB cable
1x SIM needle
Test: Redmi 10
Just over a year after the Redmi 9 was released, Xiaomi is sending the successor - the Redmi 10 - into the race. In addition to numerous upgrades, we can also expect a fresh design. This is also where we start the test.
Offer (update September 18, 2021)
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Redmi 10: design, workmanship and scope of delivery
The design of the Redmi 9 has been adopted. Instead, the Redmi 10 has the same design as its big brother - the Redmi Notes 10 (Pro) - copied.
The first glance falls directly on the camera hill, which separates the main camera from the other cameras by a silver border. Next to the main camera there is the writing “50MP Camera”. And also under the camera hill, “AI-CAM PHOTOGRAPHY SYSTEM” indicates that the Redmi 10's camera is being given great value. But more on that later.
Incidentally, the camera bump protrudes a full 2,5 mm from the back, which means that the smartphone inevitably rests on the camera when it is in the supine position and wobbles when operated.
The frame and back of the Redmi 10 are made of plastic. The matt finish of my test device in the color "Carbon Gray" shimmers stylishly in the light. Fingerprints cannot be avoided here either and they cloud the appearance a little. Other colors in which the smartphone is available are "Pebble White" and "Sea Blue".
The 161.95 inch dot display is located on the front of the 75.53 x 8.92 x 181 mm large and 6.5g heavy smartphone. The 8MP front camera has been placed in the top center in the best punch-hole fashion. Above is the narrow and barely visible earpiece. There is no notification LED despite the missing always-on function.
The SIM tray is located on the left of the frame, in which you can insert two nano SIM cards and a microSD memory card. On the opposite side are the volume rocker and the power button, which also houses the fingerprint scanner.
A special feature of the Redmi 10 is the stereo loudspeaker, which is normally not found in this price range. As far as the connections are concerned, we would have a USB-C socket at the bottom and a 3.5 mm headphone connection at the top. Last but not least, we would have an infrared transmitter to control TV sets and two microphones for telephony.
Nothing negative can be said about the build quality of the Redmi 10. Nothing creaks, squeaks or gives up after a two-week test phase. Only the plastic back could be a bit prone to scratches, depending on how it is used.
In addition to the smartphone, the scope of delivery includes a silicone protective cover, a 22.5W fast charger, a USB-C cable, a SIM needle and a quick guide.
Redmi 10: display
The display is a 6.5 inch dot display with a resolution of 2400 x 1080 pixels. Of course, I would have liked an AMOLED display better, but that would not necessarily have been expected at this price. At least Xiaomi offers us a 90 Hz refresh rate, which makes the display appear a lot smoother.
On my test device, I had to change the refresh rate to 90 Hz via the settings. The default setting is 60 Hz. There is no Adaptive Sync mode, i.e. the automatic adjustment of the frame rate, in the settings. Although Xiaomi advertises the Redmi 10 with this feature.
The display's color reproduction is good, albeit moderate and far removed from the crisp colors of an AMOLED. In the settings, the color temperature and the color mode (vivid, saturated and standard) can be adjusted later. The contrast of the display is a bit weak. A decreasing contrast ratio is particularly noticeable when viewing the display at an angle. The content is still legible. It is quite possible that Xiaomi has not installed an IPS panel here, but an ordinary LCD. After all, the display type is not specified in the specifications.
The maximum display brightness is sufficient for the display to remain legible in the sunshine. However, the Redmi 10's display reaches its limits in direct light. The automatic brightness adjustment succeeds promptly.
The display is protected by Corning Gorilla Glass 3, a protective glass that is considered scratch-resistant and shatterproof. The touchscreen reacts quickly and recognizes inputs precisely.
Redmi 10: performance and user interface
The core of the Redmi 10 is the MediaTek Helio G88 system-on-chip, which is made up of an octa-core CPU (2x Cortex A75 @ 2,05 GHz & 6x Cortex A55 @ 1,8 GHz) a Mali G52 MC2 GPU and a Cat7 LTE modem.
The Helio G88 is the successor to the Helio G85. The only differences are the 90 Hz display support and the compatibility with 64 MP camera sensors. When it comes to storage, you can choose between 4 + 64GB, 4 + 128GB or 6 + 128GB. The RAM is of the LPDDR4x type, the internal data memory of the eMMC type. The data memory can be expanded with a microSD memory card.
So much for the technical side. Much more important is how the performance of the Redmi 10 is to be assessed. Although the SoC is not exactly one of the strongest, the smartphone can be operated smoothly for the most part. The Redmi 12.5 copes well with fast scrolling and swiping through the MIUI 11 user interface (Android 10). Only in the web browser, on demanding websites, can it get a bit clunky when scrolling quickly. However, that is grumbling at a high level.
The loading times of apps and games are average. But this point is also not unpleasant and corresponds to the price range. Mobile games such as PUBG were reasonably playable in the test with HD graphics and a high refresh rate. Jerks usually occur when textures are reloaded. Casual gamers definitely get their money's worth. However, if you expect a lot of performance in mobile games, you should look around in a higher price range.
Redmi 10: camera
The back is decorated with a quad camera setup with a 50 MP main camera (f / 1.8), an 8 MP ultra wide angle camera (f / 2.2 FOV 120 °), a 2 MP macro camera (f / 2.4) and a 2 MP depth sensor (f / 2.4). At the front we finally have an 8 MP front camera for selfies.
The Redmi 10 is the first smartphone to use the new 50 MP Samsung S5KJN1 image sensor.
In daylight, usable recordings are possible with the main camera. Image sharpness, colors and level of detail are correct and appropriate for the price range. The noise component is also kept low.
So-called pixel binning, i.e. the grouping of pixel blocks, achieves a higher light sensitivity and at the same time improves the signal-to-noise ratio. That's why photos are only saved in 50 MP despite the 12 MP sensor. A separate 50 MP recording mode is also available, but it is much more a nice-to-have than it offers more added value.
The Redmi 10 is particularly difficult for high-contrast scenes. The dynamic range quickly reaches its limits here. However, the automatic HDR mode offers a good balance. You should definitely activate this!
In poor light conditions, especially at night, the recording quality decreases noticeably. Details are increasingly being lost and colors appear washed out. Night mode only helps to a limited extent by slightly increasing the image dynamics and level of detail.
Ultra wide angle
The ultra-wide-angle camera, which delivers surprisingly good images for this price range, is a positive surprise. Strong colors, good image sharpness and barely noticeable distortion at the edges characterize the recording quality.
Macro camera and depth sensor are - as is so often the case - not a functional gain. At best, you will try the macro function 1-2 times. Bokeh recordings succeed in good lighting conditions with clean blurring. The 8 MP front camera is sufficient for selfies or video calls.
In contrast to the photos, the video function is disappointing. On the one hand, video is recorded in a maximum of 1080p at 30 frames per second, on the other hand there is no useful electronic image stabilization. When you're as shaky as I am, you just can't record any usable videos. You can get an idea of the video quality here:
Redmi 10: connectivity
The Redmi 10 scores particularly well in terms of connectivity. The smartphone covers all of the 2G, 3G and 4G mobile radio frequencies or bands commonly used in Europe. The cell phone reception is strong and the voice quality, both via the handset and the hands-free function, is excellent. Interfering noises are very well suppressed by the second microphone without affecting the quality. VoLTE and VoWiFi are both supported.
Wi-Fi and Bluetooth
Again, there is nothing wrong with it. In the WLAN, the Redmi 10 impresses with a good range and decent data throughput. Bluetooth is available in version 5.1.
GPS and sensors
The Redmi 10 is able to navigate without deviations and dropouts. The smartphone determines the exact position within a few seconds. The smartphone uses GPS and the satellite navigation systems Galileo, GLONASS and Beidou to determine its position.
The sensor system includes an acceleration sensor, an e-compass, a proximity sensor, an ambient light sensor, a virtual gyroscope and an e-compass. That's pretty standard so far.
The IR blaster (infrared transmitter) is a special feature. In combination with the pre-installed "Mi remote control" app, various electrical devices such as televisions, audio systems or DVD players can be controlled via the smartphone. However, it must be a device with an infrared receiver. A wide list of manufacturers and devices is already preconfigured in the app.
The availability of NFC, which is particularly important for mobile payments, is important. Here you have to pay attention to which version of the Redmi 10 you want to get. There is no NFC in the global version. The EU version, on the other hand, supports NFC and thus also enables mobile payment (Google Pay).
The fingerprint scanner is integrated into the power button on the side. The recognition rate is good and the smartphone is unlocked quickly.
A stereo loudspeaker is normally not found in this price range. Instead of using the earphones as an additional loudspeaker, the Redmi 10 has built in a loudspeaker at the top and bottom of the frame. The sound quality is good and exceeds that of an ordinary mono speaker. Still, you shouldn't expect powerful sounds with rich bass.
Redmi 10: battery
With the 5000 mAh battery of the Redmi 10, you can get through the day without any problems. With average usage, i.e. a bit of telephony here and there, WhatsApp, web browsing and a bit of YouTube, more than 2 days of running time are realistic.
The 18 watt “quick charge function” is not as fast as you might think. A charging process of 1 - 100 percent takes just over 2 hours. By the way, you can use the Redmi 10 as a power bank. Devices can be charged with up to 9 watts in the opposite direction (reverse charging).