Xiaomi MI 8 vs. OPPO A54S

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI 8 and OPPO A54S. 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. OPPO A54S Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI 8 OPPO A54S
Product Type Smartphone Smartphone
Manufacturer Model Number - CPH2273
Form Factor Touch Touch
Height 154.9 mm 163.8 mm OPPO A54S has greater height than Xiaomi MI 8.
Width 74.8 mm 75.6 mm OPPO A54S has greater width than Xiaomi MI 8.
Depth 7.6 mm 8.4 mm Xiaomi MI 8 is narrower than Xiaomi MI 8.
Weight 175 g 190 g Xiaomi MI 8 is lighter than Xiaomi MI 8.
Body Colour Black | Blue Crystal black
Body Material Glass, 7000 Series aluminium -
Waterproof (Water-resistant) - -
SAR Value 1.662 W/kg (body), 0.701 W/kg (head) -
Connector Type USB Type-C - 24 pin USB-C 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
DISPLAY Xiaomi MI 8 OPPO A54S
Display Type OLED display LCD display
Display Technology AMOLED -
Screen Size (Display Size) 6.21" 6.52" OPPO A54S 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 OPPO A54S.
Display Format Full HD+ HD+
Pixel Density 402 ppi 269 ppi Xiaomi MI 8 has better pixel density than OPPO A54S.
Aspect Ratio 18.7:9 -
Max Brightness 600 cd/m² 480 cd/m² Xiaomi MI 8 has better display brightness than OPPO A54S.
Contrast Ratio 60000:1 1500:1 Xiaomi MI 8 has better display contrast ratio than OPPO A54S.
Display Enhancement Technology Sunlight mode -
Display Refresh Rate - 60 Hz
Display Features Always-on display, Reading mode, Colour temperature adjustment, DCI-P3 Wide colour gamut 71% NTSC, AI Eye-Care
Display Protection (Screen Protector) - PDMA+PC
PROCESSOR Xiaomi MI 8 OPPO A54S
Processor Type (CPU) Qualcomm Snapdragon 845 MediaTek Helio G35
Clock Speed 2.8 GHz 2.3 GHz Xiaomi MI 8 has higher clock speed than OPPO A54S.
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 IMG GE8320
MEMORY Xiaomi MI 8 OPPO A54S
RAM LPDDR4X SDRAM - 6 GB LPDDR4X SDRAM - 4 GB Xiaomi MI 8 has more RAM than OPPO A54S.
Internal Memory Size (Storage Capacity) 64 GB 128 GB OPPO A54S has more internal memory than Xiaomi MI 8.
Memory Interface - eMMC 5.1
CAMERA Xiaomi MI 8 OPPO A54S
MAIN CAMERA
Number of Main Cameras 2 3
Sensor Resolution 12 Megapixel 50 Megapixel OPPO A54S 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 F/2.2 Xiaomi MI 8 has better lens aperture than Xiaomi MI 8.
Lens Construction - 5-element
Field of View (FoV) - 80 degree(s)
Optical Image Stabiliser (OIS) 4-axis OIS (Optical Image Stabilisation) - Xiaomi MI 8 has optical stabilisation.
Focus Adjustment Automatic Automatic
Special Effects HDR -
Camera Modes Burst mode, Panorama, portrait mode, AR Emoji, AI Beautify -
Face Recognition (Face ID) Face recognition - Xiaomi MI 8 has face detection.
Light Source LED flash LED flash
Still Image Resolutions - 4160 x 2340, 3120 x 3120, 4160 x 1872, 4080 x 3072
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, 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 AI Triple camera
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 2 Megapixel Xiaomi MI 8 has better second camera resolution than OPPO A54S.
Lens Type (2nd Camera) Telephoto lens -
Lens Aperture (2nd Camera) F/2.4 F/2.4 Both phones have the same second camera lens aperture.
Lens Element Qty (2nd Camera) - 3-element
Field of View (2nd Camera) - 88.8 degree(s)
Camera Functions (2nd Camera) - Depth camera
Camera Features (2nd Camera) Portrait lens -
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Lens Element Qty (3rd Camera) - 3-element
Field of View (3rd Camera) - 88.8 degree(s)
Camera Functions (3rd Camera) - Macro camera
FRONT CAMERA
Number of Front Cameras 2 1
Sensor Resolution (Front) 20 Megapixel 8 Megapixel Xiaomi MI 8 has better front camera resolution than OPPO A54S.
Lens Aperture (Front) - F/2.0
Lens Element Qty (Front) - 5-element
Field of View (Front) - 79 degree(s)
Special Effects (Front) Mirror Bokeh effect
Camera Modes (Front) AR Emoji, AI portrait mode Dazzle Colour Mode
Face Recognition (Face ID) Face recognition - Xiaomi MI 8 has face detection.
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) Self-timer, AI detection of 10 different scenes, 3D Beautify AI beautification
SECOND FRONT CAMERA
Camera Features (2nd Front) Flood Illuminator, Dot Projector -
BATTERY AND CHARGING Xiaomi MI 8 OPPO A54S
Battery Capacity (Battery Size) 3400 mAh 5000 mAh OPPO A54S has larger battery capacity than Xiaomi MI 8.
Fast Charging Technology Qualcomm Quick Charge 4.0+ - Xiaomi MI 8 has fast charging technology.
CELLULAR Xiaomi MI 8 OPPO A54S
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 ColorOS 11.1 (based on Android 11)
User Interface MIUI 9.5 -
Payment Technology Android Pay -
Navigation GPS, GLONASS, BeiDou, Galileo, QZSS GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Xiaomi MI 8 OPPO A54S
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 6, Band 8, Band 19
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 1700, 850, 800, 900, 800
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 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, 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 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
Wireless Interface IEEE 802.11a/b/g/n/ac Wi-Fi
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 OPPO A54S
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, apt-X, LDAC, SBC
Supported Digital Video Standards MKV, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP -
FEATURES Xiaomi MI 8 OPPO A54S
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, ambient light sensor, proximity sensor, pedometer, geomagnetic sensor, gravity sensor
Security Devices Face recognition, fingerprint reader Face recognition, fingerprint reader (side)
Security Technology IR face unlock Face Unlock
Additional Phone Features Face Unlock, MU-MIMO technology Super power saving mode, Game Assistant, super nighttime standby mode, optimised night charge, charging temperature control
OTHERS Xiaomi MI 8 OPPO A54S
Included Accessories Power adapter, SIM card removal tool, USB-C to 3.5 jack adapter, USB-C cable, Mi 8 Protective cover Headset, power adapter, SIM card removal tool, USB-C cable, protective case
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