Xiaomi Redmi 8 Specifications, Tests and Review

Display
6.22", 1520 x 720
Front Camera
8 Megapixel
Main Camera
12 Megapixel
Storage
32 GB
RAM
3 GB
Processor
Qualcomm Snapdragon 439
Battery
5000 mAh

Complete technical specifications, details, expert ratings and review of Xiaomi Redmi 8. Find out how your chosen phone stacks up against the competition and whether it's the one that best meets your expectations with the phone comparison feature.

DESIGN AND DIMENSIONS Xiaomi Redmi 8
Product Type Smartphone
Form Factor Touch
Height 156.5 mm Better than 80 % of phones rated.
Width 75.4 mm Better than 81 % of phones rated.
Depth 9.4 mm Better than 57 % of phones rated.
Body Colour Sapphire blue
Protection Splashproof
Waterproof (Water-resistant) -
SAR Value 1.48 W/kg (body), 0.231 W/kg (head), 2.23 W/kg (limb)
Integrated Components FM radio
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM
SIM Card Qty Dual-SIM
DISPLAY Xiaomi Redmi 8
Screen Size (Display Size) 6.22" Better than 82 % of phones rated.
Screen Resolution (Display Resolution) 1520 x 720 pixels Better than 66 % of phones rated.
Display Format HD+
Pixel Density 270 ppi Worse than 83 % of phones rated.
Aspect Ratio 19:9
Max Brightness 400 cd/m²
Contrast Ratio 1500:1 Better than 50 % of phones rated.
Display Enhancement Technology Sunlight mode
Display Features Reading mode, Colour temperature adjustment, night mode, Dot Drop display
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass)

The screen size reaches 6.22" inches. With a large display, phone offers a great experience for watching videos, playing games and reading. The best phones today are 6.5'' or more. They have the advantage of a large display area that allows you to see more content than with conventional display sizes.

Display Resolution of Xiaomi Redmi 8 is 1520 x 720 pixels. A higher display resolution is a prerequisite for a sharper image. The standard for mid-range phones today is a Full HD resolution of 1920 × 1080 px. Cheaper phones, which usually have a smaller diagonal, have an HD resolution of 1280 × 720 px. Smaller resolutions can only be found in older models. Best phones, on the other hand, have a 4K resolution of 3840 x 2160 px. Display´s pixel density is 270 ppi and represents another significant factor affecting image sharpness besides resolution. The higher the value, the sharper the image. Average value is currently about 350-400 ppi, which guarantees a fine and sufficiently sharp image. Finest modern phone displays reach 450 ppi and above.

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PROCESSOR Xiaomi Redmi 8
Processor Type (CPU) Qualcomm Snapdragon 439
Clock Speed 2 GHz Better than 70 % of phones rated.
Processor Core Qty 8-core Better than 99 % of phones rated.
Graphics System (GPU) Qualcomm ADRENO 505

Xiaomi Redmi 8 is equipped with Qualcomm Snapdragon 439. The number of processor cores is 8. It is a number of cores that plays an important role in evaluating the performance of phone as it is responsible for computing operations. Smartphones already commonly have a core count of around 4 to 8. Multi-core processors can perform better and reduce the processing time of a request to a minimum, which is reflected in the responsiveness of the phone, e.g. in the speed of opening applications. The processor frequency indicates how many instructions phone can process in 1 second. The higher the frequency, the better the performance. Standard processor frequency range today is between 1.8 GHz and 2.8 GHz. Xiaomi Redmi 8 reaches the frequency of 2 GHz.

The processor also includes the graphics accelerator Qualcomm ADRENO 505.

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MEMORY Xiaomi Redmi 8
RAM LPDDR3 SDRAM - 3 GB Better than 67 % of phones rated.
Internal Memory Size (Storage Capacity) 32 GB Better than 62 % of phones rated.
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC

The phone´s internal memory capacity is 32 GB. The size of the internal storage determines e.g., how many photos, songs, movies, or applications you can store on your phone. This memory capacity is ideal for those who have a few basic apps and a few dozen photos on their phone. If you don't expect to use your phone to play games or need to store high-resolution photos, this size should be sufficient. There is almost no probability you're likely to see this low capacity on new smartphones. The standard memory today is around 64 and 128 GB. The best phones have internal memory of 256 GB or more. Luckily, most smartphone manufacturers nowadays offer models with different memory sizes to suit every user.

An additional option to increase the storage capacity of this model is to insert a memory card.

RAM memory of the Xiaomi Redmi 8 is LPDDR3 SDRAM - 3 GB. Most powerful phones currently have an operating memory of 12 GB or more, which is especially useful for demanding users such as gaming enthusiasts. Normally, phones nowadays have 6 to 8 GB of RAM, which means that the phone can easily handle normal operation and more demanding applications. Operating memory of less than 4 GB is found in lower-end phones or older models, and they are suitable for low-end users who don't use demanding applications and have the phone more for basic use.

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CAMERA Xiaomi Redmi 8
MAIN CAMERA
Number of Main Cameras 2
Sensor Resolution 12 Megapixel Better than 62 % of phones rated.
Focus Adjustment Automatic
Special Effects HDR
Camera Modes AI portrait mode, Landscapes, Night scenes, AI Beautify 4.0
Face Recognition (Face ID) Face recognition Better than 79 % of phones rated.
Light Source LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 1280 x 720 (720p) at 60 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), AI Dual camera, AI scene detection
SECOND CAMERA
Sensor Resolution (2nd Camera) 2 Megapixel Worse than 84 % of phones rated.
FRONT CAMERA
Number of Front Cameras 1
Sensor Resolution (Front) 8 Megapixel Better than 68 % of phones rated.
Lens Aperture (Front) F/2.0 Better than 89 % of phones rated.
Pixel Size (Front) 1.12 μm Better than 72 % of phones rated.
Special Effects (Front) HDR
Camera Modes (Front) AI portrait mode, AI Beautify 4.0
Face Recognition (Face ID) Face recognition Better than 92 % of phones rated.
Light Source (Front) Display flash
Camera Features (Front) Self-timer

The rear camera of the Xiaomi Redmi 8 is equipped with 2 lenses, with each lens having a different role in taking pictures. Most common lens you'll see on smartphones is a wide-angle lens, telephoto lens or macro lens. A wide-angle lens is mainly used to capture landscapes and other spatially larger compositions where a wide field of view is needed. A telephoto lens is designed for photographing subjects at a distance and often has an optical zoom. A macro lens is ideal for close-ups and small objects. The resolution of the main lens is 12 Megapixel. Higher resolution does not necessarily mean super high quality photos. Furthermore, it depends on the pixel size but also on other important factors. Some users will also appreciate facial recognition feature, which allows camera to recognise the face of person in frame and automatically focus on it.

Second camera
The resolution reaches size of 2 Megapixel.

Front camera
The front camera of phone Xiaomi Redmi 8 has one lens. This number of lenses is standard on most smartphones nowadays. The resolution of front lens reaches 8 Megapixel. Again, it should be noted that resolution is only one of several other significant factors that affect resulting quality of a photo. The pixel size itself is 1.12 μm. The main lens is also equipped with aperture of F/2.0.

The facial recognition feature is just a nice cherry on top.

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BATTERY AND CHARGING Xiaomi Redmi 8
Battery Capacity (Battery Size) 5000 mAh Better than 99 % of phones rated.
Fast Charging Technology Qualcomm Quick Charge 3.0 Better than 86 % of phones rated.
Recharge Time (Charging Time) 2.2 hour(s) Better than 53 % of phones rated.
Standby Time 625 hours Better than 88 % of phones rated.
Talk Time 1680 minutes Better than 90 % of phones rated.
Run Time Details Standby: up to 625 hrs
Playback (audio): up to 180.5 hrs
Talk: up to 1680 min
Playback (video): up to 17 hrs
Navigation: up to 16.5 hrs

The battery size of Xiaomi Redmi 8 is 5000 mAh. Nevertheless, battery capacity is not the only factor that affects the phone's battery life. For example - the size of the display, the performance of the processor, the use of data functions and, of course, the intensity of use of phone in general all have a significant impact on battery life. Standard for most smartphones today is a battery capacity of around 4500 to 5000 mAH. Phones with this battery size usually guarantee a phone life of at least 1 day. Older or cheaper smartphone models can then reach battery capacities typically around 2500 mAH and below. With this capacity, you may find that if you use your phone heavily, you may need to recharge your phone during the day.

Standby time is 625 hours and it expresses the maximum time your phone can last on a single charge when you are not actively using it. Talk time, or we can say battery life when making calls, then indicates amount of time your phone will last from a full charge if you are constantly on a call. Xiaomi Redmi 8 is provided with a talk time about 1680 minutes. The fast charging function will also please many people. Owing to fast charging, phone charges up to several times faster, which you will appreciate, for example, on the go.

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CELLULAR Xiaomi Redmi 8
Technology WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G Better than 88 % of phones rated.
Navigation GPS, A-GPS, GLONASS, BeiDou

Xiaomi Redmi 8 supports 4G. 5G connectivity, which is slowly replacing standard 4G connectivity, is still more the preserve of the latest phones.

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COMMUNICATIONS Xiaomi Redmi 8
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1900 GSM, 2100 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300
Wireless Interface IEEE 802.11b/g/n
Bluetooth Bluetooth 4.2
Messaging Services SMS, MMS

Basic connectivity standards also include Bluetooth 4.2, making it easy to communicate wirelessly with other devices such as headphones, tablets, speakers and smartwatches.

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MEDIA Xiaomi Redmi 8
Supported Digital Audio Standards AAC, PCM, MP3, FLAC, AAC +, APE (Monkey's Audio), AMR-WB, AMR-NB
Supported Digital Video Standards MKV, MPEG-4, MPEG4-ASP, MPEG-4 SP, H.264 BP, H.264 MP, H.264 HP
Sound Enhancements Large speaker box
FEATURES Xiaomi Redmi 8
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, ambient light sensor, digital compass, distance sensor
Security Devices Face recognition, fingerprint reader
Additional Phone Features Infrared remote control, notification LED, AI face unlock
OTHERS Xiaomi Redmi 8
Included Accessories SIM card removal tool, USB-C cable, TPU case, 10W charger

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