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.
DESIGN AND DIMENSIONS | Xiaomi MI 9 Lite | OPPO A57s |
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Product Type | Smartphone | Smartphone | |
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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 |
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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 |
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Display Type | OLED display | LCD display | |
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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 |
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Processor Type (CPU) | Qualcomm Snapdragon 710 | MediaTek Helio G35 | |
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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 |
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RAM | LPDDR4X SDRAM - 6 GB | LPDDR4X SDRAM - 4 GB | Xiaomi MI 9 Lite has more RAM than OPPO A57s. |
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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 |
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MAIN CAMERA |
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Number of Main Cameras | 3 | 2 | |
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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 |
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Sensor Resolution (2nd Camera) | 8 Megapixel | 2 Megapixel | Xiaomi MI 9 Lite has better second camera resolution than OPPO A57s. |
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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 |
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Sensor Resolution (3rd Camera) | 2 Megapixel | - | |
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Camera Functions (3rd Camera) | Depth camera | - |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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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 |
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Battery Capacity (Battery Size) | 4030 mAh | 5000 mAh | OPPO A57s has larger battery capacity than Xiaomi MI 9 Lite. |
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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 |
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Battery Technology | Lithium Ion | - |
CELLULAR | Xiaomi MI 9 Lite | OPPO A57s |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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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 |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | VoLTE, FDD-LTE, TDD-LTE, VoWiFi | |
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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 |
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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 | |
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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 |
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Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
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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 |
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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 | |
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Compliant Standards | VDE | IPX4 |