Xiaomi MI 8 vs. Samsung Galaxy S21 FE 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI 8 and Samsung Galaxy S21 FE 5G. 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. Samsung Galaxy S21 FE 5G Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI 8 Samsung Galaxy S21 FE 5G
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-G990B/DS
Form Factor Touch Touch
Height 154.9 mm 155.7 mm Samsung Galaxy S21 FE 5G has greater height than Xiaomi MI 8.
Width 74.8 mm 74.5 mm Xiaomi MI 8 has greater width than Samsung Galaxy S21 FE 5G.
Depth 7.6 mm 7.9 mm Xiaomi MI 8 is narrower than Xiaomi MI 8.
Weight 175 g 177 g Xiaomi MI 8 is lighter than Xiaomi MI 8.
Body Colour Black | Blue Olive | Graphite | White | Lavender
Body Material Glass, 7000 Series aluminium -
Protection - Dustproof, splashproof, water-resistant
Waterproof (Water-resistant) - -
IP rating - IP68
SAR Value 1.662 W/kg (body), 0.701 W/kg (head) 1.48 W/kg (body), 0.952 W/kg (head), 2.91 W/kg (limb)
Connector Type USB Type-C - 24 pin USB-C USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Xiaomi MI 8 Samsung Galaxy S21 FE 5G
Display Type OLED display OLED display
Display Technology AMOLED Infinity-O Dynamic AMOLED 2X
Screen Size (Display Size) 6.21" 6.4" Samsung Galaxy S21 FE 5G has larger screen size than Xiaomi MI 8.
Screen Resolution (Display Resolution) 2248 x 1080 pixels 2340 x 1080 pixels Samsung Galaxy S21 FE 5G has better screen resolution than Xiaomi MI 8.
Display Format Full HD+ Full HD+
Pixel Density 402 ppi 401 ppi Xiaomi MI 8 has better pixel density than Samsung Galaxy S21 FE 5G.
Aspect Ratio 18.7:9 -
Max Brightness 600 cd/m² -
Colour Depth - 16.7 million colours
Contrast Ratio 60000:1 -
HDR Technology - HDR10+
Display Enhancement Technology Sunlight mode Eye Comfort Shield
Display Refresh Rate - 120 Hz
Display Features Always-on display, Reading mode, Colour temperature adjustment, DCI-P3 Wide colour gamut AOD(Always On Display), Infinity O display, Video Wallpaper
Display Protection (Screen Protector) - Corning Gorilla Glass Victus (scratch resistant glass)
PROCESSOR Xiaomi MI 8 Samsung Galaxy S21 FE 5G
Processor Type (CPU) Qualcomm Snapdragon 845 -
Clock Speed 2.8 GHz 2.84 GHz Samsung Galaxy S21 FE 5G has higher clock speed than Xiaomi MI 8.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Xiaomi MI 8 has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 630 -
MEMORY Xiaomi MI 8 Samsung Galaxy S21 FE 5G
RAM LPDDR4X SDRAM - 6 GB 6 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 64 GB 128 GB Samsung Galaxy S21 FE 5G has more internal memory than Xiaomi MI 8.
User Memory - 101.1 GB
CAMERA Xiaomi MI 8 Samsung Galaxy S21 FE 5G
MAIN CAMERA
Number of Main Cameras 2 3
Sensor Resolution 12 Megapixel 12 Megapixel Both phones have the same camera resolution.
Sensor Size - 1/1.76"
Sensor Name Sony Exmor RS IMX363 sensor -
Lens Type Wide-angle lens Wide-angle lens
Lens Aperture F/1.8 F/1.8 Both phones have the same camera lens aperture.
Field of View (FoV) - 79 degree(s)
Pixel Size - 1.8 μm
Optical Image Stabiliser (OIS) 4-axis OIS (Optical Image Stabilisation) Optical Image Stabiliser (OIS) Both phones have optical image stabilization.
Focus Adjustment Automatic Automatic
Optical Zoom - 3x
Digital Zoom - 30x
Special Effects HDR Face retouch, Grid Line
HDR Mode - Auto HDR mode
Camera Modes Burst mode, Panorama, portrait mode, AR Emoji, AI Beautify Night mode, portrait mode
Face Recognition (Face ID) Face recognition - Xiaomi MI 8 has face detection.
Light Source LED flash 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 Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1280 x 720 (720p) at 960 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 Dual recording
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 12 Megapixel Both phones have the same second camera resolution.
Lens Type (2nd Camera) Telephoto lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.4 F/2.2 Samsung Galaxy S21 FE 5G has better second camera lens aperture than Xiaomi MI 8.
Field of View (2nd Camera) - 123 degree(s)
Pixel Size (2nd Camera) - 1.12 μm
Camera Features (2nd Camera) Portrait lens -
THIRD CAMERA
Sensor Resolution (3rd Camera) - 8 Megapixel
Lens Type (3rd Camera) - Telephoto lens
Lens Aperture (3rd Camera) - F/2.4
Field of View (3rd Camera) - 32 degree(s)
Pixel Size (3rd Camera) - 1 μm
Camera Features (3rd Camera) - Space Zoom x30
FRONT CAMERA
Number of Front Cameras 2 1
Sensor Resolution (Front) 20 Megapixel 32 Megapixel Samsung Galaxy S21 FE 5G has better front camera resolution than Xiaomi MI 8.
Lens Aperture (Front) - F/2.2
Field of View (Front) - 81 degree(s)
Pixel Size (Front) - 0.8 μm
Focus Adjustment - Focus free
Special Effects (Front) Mirror -
Camera Modes (Front) AR Emoji, AI portrait mode -
Face Recognition (Face ID) Face recognition - Xiaomi MI 8 has face detection.
Camera Features (Front) Self-timer, AI detection of 10 different scenes, 3D Beautify -
SECOND FRONT CAMERA
Camera Features (2nd Front) Flood Illuminator, Dot Projector -
BATTERY AND CHARGING Xiaomi MI 8 Samsung Galaxy S21 FE 5G
Battery Capacity (Battery Size) 3400 mAh 4500 mAh Samsung Galaxy S21 FE 5G has larger battery capacity than Xiaomi MI 8.
Fast Charging Technology Qualcomm Quick Charge 4.0+ Samsung Fast Charging Both phones have fast charging technology.
Wireless Charging - Yes Samsung Galaxy S21 FE 5G can be charged wirelessly.
Wireless Charging Standards - Wireless PowerShare
Talk Time - 2220 minutes
Run Time Details - Talk (LTE): up to 2220 min
Active online usage (LTE): up to 13 hrs
Active online usage (Wi-Fi): up to 13 hrs
Playback (video): up to 16 hrs
Playback (audio): up to 79 hrs
CELLULAR Xiaomi MI 8 Samsung Galaxy S21 FE 5G
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy S21 FE 5G has more advanced generation mobile network.
Operating System Android 8.1 Oreo Android 12
User Interface MIUI 9.5 -
Intelligent Assistant - Bixby
Payment Technology Android Pay Samsung Pay
Navigation GPS, GLONASS, BeiDou, Galileo, QZSS GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Xiaomi MI 8 Samsung Galaxy S21 FE 5G
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE, 5G NR FR1
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 12, Band 17, Band 20, Band 26, Band 28, Band 32, Band 38, Band 40, Band 41, Band 66
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 700a, FDD 700b, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
5G NR Band - N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n78, n40
5G NR Frequency - FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3500, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Xiaomi MI 8 Samsung Galaxy S21 FE 5G
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 WAV, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID
Supported Digital Video Standards MKV, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP MKV, FLV, AVI, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements - Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound
FEATURES Xiaomi MI 8 Samsung Galaxy S21 FE 5G
Phone Functions 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, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor
Security Devices Face recognition, fingerprint reader Fingerprint reader
Security Technology IR face unlock -
Additional Phone Features Face Unlock, MU-MIMO technology MIMO technology, Fast Charging, Samsung KNOX, Samsung DeX support, Samsung Smart Switch, Game mode
OTHERS Xiaomi MI 8 Samsung Galaxy S21 FE 5G
Included Accessories Power adapter, SIM card removal tool, USB-C to 3.5 jack adapter, USB-C cable, Mi 8 Protective cover SIM card removal tool, USB-C cable
Compliant Standards - IP68
Max Depth of Water Resistance - 1.5 m
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