Xiaomi MI 8 vs. Xiaomi Redmi 9A

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI 8 and Xiaomi Redmi 9A. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

Xiaomi MI 8 vs. Xiaomi Redmi 9A Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI 8 Xiaomi Redmi 9A
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 154.9 mm 164.9 mm Xiaomi Redmi 9A has greater height than Xiaomi MI 8.
Width 74.8 mm 77.07 mm Xiaomi Redmi 9A has greater width than Xiaomi MI 8.
Depth 7.6 mm 9 mm Xiaomi MI 8 is narrower than Xiaomi MI 8.
Weight 175 g 196 g Xiaomi MI 8 is lighter than Xiaomi MI 8.
Body Colour Black | Blue Sky blue | Granite grey
Body Material Glass, 7000 Series aluminium -
Waterproof (Water-resistant) - -
SAR Value 1.662 W/kg (body), 0.701 W/kg (head) 0.398 W/kg (head), 1.186 W/kg (body), 2.526 W/kg (limb)
Integrated Components - FM radio
Connector Type USB Type-C - 24 pin USB-C Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Xiaomi MI 8 Xiaomi Redmi 9A
Display Type OLED display -
Display Technology AMOLED -
Screen Size (Display Size) 6.21" 6.53" Xiaomi Redmi 9A has larger screen size than Xiaomi MI 8.
Screen Resolution (Display Resolution) 2248 x 1080 pixels 1600 x 720 pixels Xiaomi MI 8 has better screen resolution than Xiaomi Redmi 9A.
Display Format Full HD+ HD+
Pixel Density 402 ppi -
Aspect Ratio 18.7:9 20:9
Max Brightness 600 cd/m² 400 cd/m² Xiaomi MI 8 has better display brightness than Xiaomi Redmi 9A.
Contrast Ratio 60000:1 1500:1 Xiaomi MI 8 has better display contrast ratio than Xiaomi Redmi 9A.
Display Enhancement Technology Sunlight mode Blue light filter, Sunlight mode
Display Features Always-on display, Reading mode, Colour temperature adjustment, DCI-P3 Wide colour gamut Reading mode, Colour temperature adjustment, Dot Drop display
PROCESSOR Xiaomi MI 8 Xiaomi Redmi 9A
Processor Type (CPU) Qualcomm Snapdragon 845 MediaTek Helio G25
Clock Speed 2.8 GHz 2 GHz Xiaomi MI 8 has higher clock speed than Xiaomi Redmi 9A.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 630 PowerVR GE8320
MEMORY Xiaomi MI 8 Xiaomi Redmi 9A
RAM LPDDR4X SDRAM - 6 GB LPDDR4X SDRAM - 2 GB Xiaomi MI 8 has more RAM than Xiaomi Redmi 9A.
Internal Memory Size (Storage Capacity) 64 GB 32 GB Xiaomi MI 8 has more internal memory than Xiaomi Redmi 9A.
Supported Flash Memory Cards (Expandable Memory) - microSD
CAMERA Xiaomi MI 8 Xiaomi Redmi 9A
MAIN CAMERA
Number of Main Cameras 2 1
Sensor Resolution 12 Megapixel 13 Megapixel Xiaomi Redmi 9A has better camera resolution than Xiaomi MI 8.
Sensor Name Sony Exmor RS IMX363 sensor -
Lens Type Wide-angle lens -
Lens Aperture F/1.8 -
Optical Image Stabiliser (OIS) 4-axis OIS (Optical Image Stabilisation) - Xiaomi MI 8 has optical stabilisation.
Focus Adjustment Automatic Automatic
Special Effects HDR HDR, Kaleidoscope
Camera Modes Burst mode, Panorama, portrait mode, AR Emoji, AI Beautify AI portrait mode, AI Beautify 5.0
Face Recognition (Face ID) Face recognition Face recognition Both phones have face detection.
Light Source LED flash Single tone LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) Dual Pixel Autofocus technology, AI Dual camera, AI scene detection, AI Beautify, AI dynamic bokeh, AI studio lighting, AI short video editing, AI high-res photos Phase Detect Auto-Focus (PDAF), AI scene detection
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel -
Lens Type (2nd Camera) Telephoto lens -
Lens Aperture (2nd Camera) F/2.4 -
Camera Features (2nd Camera) Portrait lens -
FRONT CAMERA
Number of Front Cameras 2 1
Sensor Resolution (Front) 20 Megapixel 5 Megapixel Xiaomi MI 8 has better front camera resolution than Xiaomi Redmi 9A.
Lens Aperture (Front) - F/2.2
Pixel Size (Front) - 1.12 μm
Special Effects (Front) Mirror HDR
Camera Modes (Front) AR Emoji, AI portrait mode AI portrait mode, Portrait, AI Beautify 5.0
Face Recognition (Face ID) Face recognition Face recognition Both phones have face detection.
Light Source (Front) - Display flash
Camera Features (Front) Self-timer, AI detection of 10 different scenes, 3D Beautify Self-timer, Palm shutter
SECOND FRONT CAMERA
Camera Features (2nd Front) Flood Illuminator, Dot Projector -
BATTERY AND CHARGING Xiaomi MI 8 Xiaomi Redmi 9A
Battery Capacity (Battery Size) 3400 mAh 5000 mAh Xiaomi Redmi 9A has larger battery capacity than Xiaomi MI 8.
Fast Charging Technology Qualcomm Quick Charge 4.0+ - Xiaomi MI 8 has fast charging technology.
Standby Time - 816 hours
Talk Time - 2280 minutes
Run Time Details - Standby: up to 816 hrs
Playback (audio): up to 168 hrs
Talk: up to 2280 min
Playback (video): up to 19 hrs
Gaming: up to 14 hrs
CELLULAR Xiaomi MI 8 Xiaomi Redmi 9A
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 8.1 Oreo -
User Interface MIUI 9.5 -
Payment Technology Android Pay -
Navigation GPS, GLONASS, BeiDou, Galileo, QZSS GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS Xiaomi MI 8 Xiaomi Redmi 9A
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 34, Band 38, Band 39, Band 40, Band 41 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11b/g/n
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC Yes - Xiaomi MI 8 has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi MI 8 Xiaomi Redmi 9A
Supported Digital Audio Standards WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), apt-X, AMR-WB, AMR-NB, apt-X HD AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB
Supported Digital Video Standards MKV, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP MKV, MPEG4-ASP, MPEG-4 SP, H.264 BP, H.264 MP, H.264 HP
Sound Enhancements - 0.64cc Sound Chamber
FEATURES Xiaomi MI 8 Xiaomi Redmi 9A
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, ambient light sensor, proximity sensor, digital compass, barometer, gyro sensor, hall sensor, Time of Flight (ToF), infrared (IR) sensor Accelerometer, ambient light sensor, distance sensor
Security Devices Face recognition, fingerprint reader Face recognition
Security Technology IR face unlock -
Additional Phone Features Face Unlock, MU-MIMO technology AI face unlock, HyperEngine technology
OTHERS Xiaomi MI 8 Xiaomi Redmi 9A
Included Accessories Power adapter, SIM card removal tool, USB-C to 3.5 jack adapter, USB-C cable, Mi 8 Protective cover USB cable, SIM card removal tool, 10W charger
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