Xiaomi MI 9 Lite vs. OPPO A57s

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI 9 Lite and OPPO A57s. 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 9 Lite vs. OPPO A57s Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI 9 Lite OPPO A57s
Product Type Smartphone Smartphone
Manufacturer Model Number - CPH2385
Form Factor Touch Touch
Height 156.8 mm 163.74 mm OPPO A57s has greater height than Xiaomi MI 9 Lite.
Width 74.5 mm 75.03 mm OPPO A57s has greater width than Xiaomi MI 9 Lite.
Depth 8.67 mm 7.99 mm OPPO A57s is narrower than Xiaomi MI 9 Lite.
Weight 179 g 187 g Xiaomi MI 9 Lite is lighter than Xiaomi MI 9 Lite.
Body Colour Aurora blue Starry black
Body Material - Composite polymer
Waterproof (Water-resistant) - - OPPO A57s is waterproof.
IP rating - IPX4
SAR Value 1.4 W/kg (body), 1.42 W/kg (head), 3.18 W/kg (limb) 1.015 W/kg (body), 0.957 W/kg (head), 2.399 W/kg (limb)
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
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 Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY Xiaomi MI 9 Lite OPPO A57s
Display Type OLED display LCD display
Display Technology AMOLED LCD
Screen Size (Display Size) 6.39" 6.56" OPPO A57s has larger screen size than Xiaomi MI 9 Lite.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 1612 x 720 pixels Xiaomi MI 9 Lite has better screen resolution than OPPO A57s.
Display Format Full HD+ HD+
Pixel Density 403 ppi 269 ppi Xiaomi MI 9 Lite has better pixel density than OPPO A57s.
Aspect Ratio 19.5:9 20.1:9
Max Brightness 600 cd/m² 600 cd/m² Both phones have the same display brightness
Colour Depth - 16.7 million colours
Contrast Ratio 60000:1 1500:1 Xiaomi MI 9 Lite has better display contrast ratio than OPPO A57s.
HDR Yes - Xiaomi MI 9 Lite has HDR.
HDR Technology HDR10 -
Display Enhancement Technology Sunshine mode 2.0 -
Display Refresh Rate - 60 Hz
Touch Sampling Rate - 60 Hz
Display Features Reading mode, Colour temperature adjustment, night mode, 256 ranks adjustable Reading mode, Dark mode, Multi-colour Always-on display, Dynamic display Night mode, Eye comfort mode, 96% NTSC
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) Panda Glass MN228
PROCESSOR Xiaomi MI 9 Lite OPPO A57s
Processor Type (CPU) Qualcomm Snapdragon 710 MediaTek Helio G35
Clock Speed 2.2 GHz 2.3 GHz OPPO A57s has higher clock speed than Xiaomi MI 9 Lite.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Xiaomi MI 9 Lite has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 640 IMG GE8320
MEMORY Xiaomi MI 9 Lite OPPO A57s
RAM LPDDR4X SDRAM - 6 GB LPDDR4X SDRAM - 4 GB Xiaomi MI 9 Lite has more RAM than OPPO A57s.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
Memory Interface - eMMC 5.1
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Xiaomi MI 9 Lite OPPO A57s
MAIN CAMERA
Number of Main Cameras 3 2
Sensor Resolution 48 Megapixel 50 Megapixel OPPO A57s has better camera resolution than Xiaomi MI 9 Lite.
Sensor Size 1/2" 1/2.76" OPPO A57s has better camera sensor size than Xiaomi MI 9 Lite.
Sensor Name - Samsung S5KJN1
Lens Type Wide-angle lens -
Lens Aperture F/1.79 F/1.8 Xiaomi MI 9 Lite has better lens aperture than Xiaomi MI 9 Lite.
Lens Construction 6-element 5-element
Field of View (FoV) - 77 degree(s)
Pixel Size 0.8 μm 0.64 μm Xiaomi MI 9 Lite has larger camera pixel size than OPPO A57s.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Minimum Focal Length (Focal Distance) - 27 mm
Optical Zoom 2x -
Digital Zoom 10x 5x Xiaomi MI 9 Lite has better digital zoom than OPPO A57s.
Special Effects HDR Stickers
Camera Modes Burst mode, Panorama, Pro mode, AI Beautify, Smart ultra-wide angle mode, Photo timer, Custom watermark, Full body portrait mode, Baby Beautify, AI smart slimming Panorama, Time-lapse mode, Pro mode, Portrait, Night
Face Recognition (Face ID) Face recognition - Xiaomi MI 9 Lite has face detection.
Light Source LED flash LED flash
Still Image Resolutions 8000 x 6000 -
Video Resolutions 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 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), Continuous Auto Focus (CAF), video stabilisation, 4-in-1 Super Pixel, 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 -
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 2 Megapixel Xiaomi MI 9 Lite has better second camera resolution than OPPO A57s.
Sensor Size (2nd Camera) - 1/5"
Lens Type (2nd Camera) Ultra wide-angle lens -
Lens Aperture (2nd Camera) - F/2.4
Lens Element Qty (2nd Camera) - 3-element
Field of View (2nd Camera) - 89 degree(s)
Pixel Size (2nd Camera) - 1.75 μm
Minimum Focal Length (2nd Camera) - 21 mm
Camera Functions (2nd Camera) - Monochrome
THIRD CAMERA
Sensor Resolution (3rd Camera) 2 Megapixel -
Camera Functions (3rd Camera) Depth camera -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 32 Megapixel 8 Megapixel Xiaomi MI 9 Lite has better front camera resolution than OPPO A57s.
Sensor Size (Front) - 1/1.4"
Sensor Name (Front) - Omnivision OV08D10 sensor
Lens Aperture (Front) F/2.0 F/2.0 Both phones have the same front camera lens aperture.
Lens Element Qty (Front) - 5-element
Field of View (Front) - 79 degree(s)
Pixel Size (Front) 1.6 μm 1.12 μm Xiaomi MI 9 Lite has larger front camera pixel size than OPPO A57s.
Focus Adjustment - Focus free
Min Focal Length (Front) - 26 mm
Special Effects (Front) HDR, Magic mirror Stickers
Camera Modes (Front) Selfie panorama, AI portrait mode, AI Beautify, AI makeup Panorama, Time-lapse mode, Portrait
Face Recognition (Face ID) Face recognition - Xiaomi MI 9 Lite has face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) Self-timer, age recognition, AI scene detection, AI studio lighting, Eye light, AI feature adjustment, sapphire crystal lens cover, ambient bulb, Palm shutter, AI silhouette detection, wide-angle distortion correction, camera display brightness correction -
BATTERY AND CHARGING Xiaomi MI 9 Lite OPPO A57s
Battery Capacity (Battery Size) 4030 mAh 5000 mAh OPPO A57s has larger battery capacity than Xiaomi MI 9 Lite.
Fast Charging Technology Qualcomm Quick Charge 4.0+ SuperVOOC Flash Charge technology Both phones have fast charging technology.
Standby Time - 304 hours
Talk Time - 1800 minutes
Run Time Details - Talk: up to 1800 min
Standby (4G): up to 304 hrs
Playback (video): up to 13.4 hrs
Playback (audio (via speakers, 50% volume)): up to 40 hrs
Battery Technology Lithium Ion -
CELLULAR Xiaomi MI 9 Lite OPPO A57s
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 9.0 Pie ColorOS 12.1 (based on Android 12)
User Interface MIUI 10 -
Payment Technology Google Pay -
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Xiaomi MI 9 Lite OPPO A57s
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE VoLTE, FDD-LTE, TDD-LTE, VoWiFi
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 Band 1, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40 Band 1, Band 3, 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 800 DD, FDD 700 APT, TDD 2600, TDD 2300 FDD 2100, FDD 1800+, 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 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 Bluetooth 5.3 BLE
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Xiaomi MI 9 Lite OPPO A57s
Supported Digital Audio Standards WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio), apt-X, LDAC, apt-X HD WAV, WMA, AAC, AMR, MP3, FLAC, AC-3, OGG, MIDI, APE (Monkey's Audio), LDAC, OPUS, MID, SBC, apt-X HD
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, H.264, M4V, VP8, VP9 MKV, FLV, AVI, MOV, ASF, 3GP, M4V, TS, M2TS, WebM, MP4
Sound Enhancements Hi-Fi Sound support, Hi-Res audio, Qualcomm TrueWireless Stereo Plus Dirac sound technologies
FEATURES Xiaomi MI 9 Lite OPPO A57s
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, digital compass, gyro sensor, distance sensor, In-screen ambient light sensor Accelerometer, proximity sensor, magnetometer, gravity sensor, brightness sensor
Security Devices Fingerprint reader (under display) Face recognition, fingerprint reader (side)
Additional Phone Features HD Voice, Dual microphones, MU-MIMO technology, Fast Charging, AI Engine, MI Turbo, GAME Turbo 2.0 Noise reduction microphone, Fast Charging, 3 years of Security Updates, 2 years of OS upgrades, Cooling Graphite Thermal Pad, Reverse charging, super-linear dual speakers
OTHERS Xiaomi MI 9 Lite OPPO A57s
Included Accessories Power adapter, SIM card removal tool, USB-C cable, soft case SIM card removal tool, USB-C charging cable, protective film, SuperVOOC 33W power adapter
Compliant Standards VDE IPX4
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