Sony XPERIA X vs. Xiaomi MI 9 SE

Phone Comparison, Reviews and Tests

In depth comparison and review of Sony XPERIA X and Xiaomi MI 9 SE. 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

Sony XPERIA X vs. Xiaomi MI 9 SE Comparison Chart
DESIGN AND DIMENSIONS Sony XPERIA X Xiaomi MI 9 SE
Product Type Smartphone Smartphone
Manufacturer Model Number F5121 -
Form Factor Touch Touch
Height 143 mm 147.5 mm Xiaomi MI 9 SE has greater height than Sony XPERIA X.
Width 69 mm 70.5 mm Xiaomi MI 9 SE has greater width than Sony XPERIA X.
Depth 7.7 mm 7.45 mm Xiaomi MI 9 SE is narrower than Sony XPERIA X.
Weight 152 g 155 g Sony XPERIA X is lighter than Sony XPERIA X.
Body Colour White | Lime gold | Rose gold | Graphite black Ocean blue | Piano black
Body Material - Glass
Waterproof (Water-resistant) - -
SAR Value 1.23 W/kg (body), 0.72 W/kg (head) 1.385 W/kg (body), 1.385 W/kg (head)
Integrated Components FM radio -
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty - Dual-SIM
DISPLAY Sony XPERIA X Xiaomi MI 9 SE
Display Type LCD display OLED display
Display Technology IPS AMOLED
Screen Size (Display Size) 5" 5.97" Xiaomi MI 9 SE has larger screen size than Sony XPERIA X.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2340 x 1080 pixels Xiaomi MI 9 SE has better screen resolution than Sony XPERIA X.
Display Format Full HD Full HD+
Pixel Density - 432 ppi
Max Brightness - 600 cd/m²
Colour Depth 16.7 million colours -
Contrast Ratio - 60000:1
HDR - Yes Xiaomi MI 9 SE has HDR.
HDR Technology - HDR10
Display Enhancement Technology Super Vivid mode Sunshine mode 2.0
Display Features Curve edge Always-on display, Colour temperature adjustment, night mode, Wide Colour Gamut (WCG), 256 ranks adjustable Reading mode
Display Protection (Screen Protector) Scratch-resistant glass Corning Gorilla Glass 5 (scratch resistant glass), fingerprint-resistant coating, oil protective coating
PROCESSOR Sony XPERIA X Xiaomi MI 9 SE
Processor Type (CPU) Qualcomm Qualcomm Snapdragon 712
Processor Number MSM8956 -
Clock Speed 1.8 GHz 2.3 GHz Xiaomi MI 9 SE has higher clock speed than Sony XPERIA X.
Processor Core Qty 6-core 8-core Xiaomi MI 9 SE has higher processor core quantity than Sony XPERIA X.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 510 Qualcomm ADRENO 616
MEMORY Sony XPERIA X Xiaomi MI 9 SE
RAM 3 GB LPDDR4X SDRAM - 6 GB Xiaomi MI 9 SE has more RAM than Sony XPERIA X.
Internal Memory Size (Storage Capacity) 32 GB 64 GB Xiaomi MI 9 SE has more internal memory than Sony XPERIA X.
User Memory 20 GB -
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 200 GB -
CAMERA Sony XPERIA X Xiaomi MI 9 SE
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 23 Megapixel 48 Megapixel Xiaomi MI 9 SE has better camera resolution than Sony XPERIA X.
Sensor Name Sony Exmor RS sensor Sony Exmor RS IMX586 sensor
Lens Type Wide-angle lens Wide-angle lens
Lens Aperture F/2.0 F/1.75 Xiaomi MI 9 SE has better lens aperture than Sony XPERIA X.
Focus Adjustment Automatic Automatic
Laser Auto Focus - Yes
Minimum Focal Length (Focal Distance) 24 mm -
Optical Zoom - 2x
Digital Zoom 8x 10x Xiaomi MI 9 SE has better digital zoom than Sony XPERIA X.
Special Effects Night Scene, Creative effect HDR
HDR Mode Auto HDR mode -
Camera Modes Red-Eye Reduction, Sweep Panorama, AR Effect mode, SteadyShot, Timeshift video Burst mode, Panorama, portrait mode, AI Beautify, Smart ultra-wide angle mode, Ultra nightscape mode, Photo timer, Level display, Custom watermark, Full body portrait mode, Moon mode
Face Recognition (Face ID) Smile shutter, Face in Picture Face recognition Both phones have face detection.
Light Source LED light Dual flash
Video Resolutions 1920 x 1080 (1080p) 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 960 fps
Camera Features (Functions) Quick Launch, Superior Auto, Object tracking, G lens, Scene recognition, Sound Photo, Hybrid Auto focus, Sticker Creator Sapphire crystal lens cover, Phase Detect Auto-Focus (PDAF), Dynamic photos, video stabilisation, Contrast Auto-Focus, AI scene detection, AI studio lighting, Video Beautify, AI Triple camera, 960 fps Smart audio pairing, AI lens flare, AI high resolution photos, Portrait mode background blur adjustment, Ultra wide-angle edge distortion correction, Group photo face correction, Portrait mode background blurring, Motion tracking, Quick motion
SECOND CAMERA
Sensor Resolution (2nd Camera) - 13 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.4
Field of View (2nd Camera) - 123 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) - 8 Megapixel
Lens Type (3rd Camera) - Telephoto lens
Lens Aperture (3rd Camera) - F/2.4
Pixel Size (3rd Camera) - 1 μm
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 13 Megapixel 20 Megapixel Xiaomi MI 9 SE has better front camera resolution than Sony XPERIA X.
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/2.0 -
Special Effects (Front) - HDR, Magic mirror
Camera Modes (Front) - AI portrait mode, AI Beautify, AI makeup
Face Recognition (Face ID) - Face recognition Xiaomi MI 9 SE has face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) -
Camera Features (Front) - Self-timer, age recognition, Video Beautify, AI scene detection, AI studio lighting, Eye light, AI feature adjustment, AI lens flare
BATTERY AND CHARGING Sony XPERIA X Xiaomi MI 9 SE
Battery Capacity (Battery Size) 2620 mAh 3070 mAh Xiaomi MI 9 SE has larger battery capacity than Sony XPERIA X.
Fast Charging Technology - Qualcomm Quick Charge 4.0+ Xiaomi MI 9 SE has fast charging technology.
Standby Time 600 hours -
Talk Time 840 minutes -
Run Time Details Talk (GSM): up to 600 min
Standby (GSM): up to 580 hrs
Talk (WCDMA): up to 840 min
Standby (WCDMA): up to 600 hrs
Standby (LTE): up to 540 hrs
Playback (Music): up to 64 hrs
Playback (video): up to 10 hrs
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CELLULAR Sony XPERIA X Xiaomi MI 9 SE
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 6.0.1 (Marshmallow) -
User Interface - MIUI 10
Intelligent Assistant - Google Assistant
Payment Technology - Google Pay
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Sony XPERIA X Xiaomi MI 9 SE
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 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 12, Band 17, Band 19, Band 20, Band 26, Band 28, Band 38, 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
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 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, 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
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.2 Bluetooth 5.0
Bluetooth Profiles HFP, HSP, OPP, PAN, SPP, GAP, A2DP, AVRCP, HID, GAVDP, PBAP, MAP, DIP, GATT, HOGP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
WLAN Security WEP, WPA, WPA2, TKIP, AES, EAP SIM, EAP-TTLS/MSCHAPv2, EAP-AKA, EAP-TLS, PEAPv0/EAP-MSCHAPv2, PEAPv1/EAP-GTC -
Messaging Services SMS, MMS SMS, MMS
MEDIA Sony XPERIA X Xiaomi MI 9 SE
Supported Digital Audio Standards WAV, WMA, AAC, AIFF, ASF, PCM, Ogg Vorbis, AMR, MP3, FLAC, AAC-LC, XMF, AAC +, OGG, eAAC+, MIDI, M4A, apt-X, MXMF, AWB, IMY, RTTTL, RTX, OTA, MP4, ALAC, OPUS WAV, AAC, AMR, MP3, FLAC, eAAC+, APE (Monkey's Audio), apt-X, LDAC, AMR-WB, AMR-NB, M4V, apt-X HD
Supported Digital Video Standards MKV, AVI, XviD, MPEG-4, 3GP, H.264, H.263, M4V, WebM, VP8, VP9, H.265 MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, VP8, VP9, H.265, MP4
Sound Enhancements Digital Sound Enhancement Engine (DSEE HX), 3D surround sound (VPT) Qualcomm TrueWireless Stereo Plus
FEATURES Sony XPERIA X Xiaomi MI 9 SE
Phone Functions Speakerphone, call timer, conference call, flight mode, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, ambient light sensor, proximity sensor, pedometer, digital compass, barometer, magnetometer, gyro sensor, motion sensor, geomagnetic sensor Accelerometer, ambient light sensor, digital compass, gyro sensor, ultrasonic proximity sensor, linear rotation vector sensor
Security Devices Fingerprint reader Fingerprint reader (under display)
Additional Phone Features TTY compatible, Radio Data Service (RDS), DLNA Certified, Text-to-Speech (text recognition), sharing media via DLNA, Screen capture, intelligent typing (Gesture), Wi-Fi Miracast, battery STAMINA mode, Glove mode, TRILUMINOS display, X-Reality engine, Screen mirroring, Clear Audio+, Clear Bass, Dynamic normaliser, Smart Cleaning, Digital Noise Cancelling (DNC), Live Color LED, Hi-Res Audio, Low power audio playback, Smart backlight control, MirrorLink support, High-bandwidth Digital Content Protection (HDCP), S-Force Front surround, Read Mode, Alarm Clock, handwriting recognition, PS4 Remote Play Infrared remote control, MIMO technology, MU-MIMO technology, MI Turbo, GAME Turbo
OTHERS Sony XPERIA X Xiaomi MI 9 SE
Included Accessories Power adapter Protective cover, power adapter, SIM card removal tool, USB-C cable, USB-C to 3.5 jack audio cable
Compliant Standards HAC (Hearing Aid Compatible) TUV Rheinland Certified Safe Fast-Charge System
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