Fairphone 3 vs. OPPO A57s

Phone Comparison, Reviews and Tests

Detailed comparison and review of Fairphone 3 and OPPO A57s. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.

Phone Specifications Comparison

Fairphone 3 vs. OPPO A57s Comparison Chart
DESIGN AND DIMENSIONS Fairphone 3 OPPO A57s
Product Type Smartphone Smartphone
Manufacturer Model Number - CPH2385
Form Factor Touch Touch
Height 158 mm 163.74 mm OPPO A57s has greater height than Fairphone 3.
Width 71.8 mm 75.03 mm OPPO A57s has greater width than Fairphone 3.
Depth 9.83 mm 7.99 mm OPPO A57s is narrower than Fairphone 3.
Weight 189 g 187 g OPPO A57s is lighter than Fairphone 3.
Body Colour Dark translucent Starry black
Body Material - Composite polymer
Waterproof (Water-resistant) - - OPPO A57s is waterproof.
IP rating - IPX4
SAR Value 1.405 W/kg (body), 0.388 W/kg (head) 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 Fairphone 3 OPPO A57s
Display Type LCD display LCD display
Display Technology IPS LCD
Screen Size (Display Size) 5.65" 6.56" OPPO A57s has larger screen size than Fairphone 3.
Screen Resolution (Display Resolution) 2160 x 1080 pixels 1612 x 720 pixels Fairphone 3 has better screen resolution than OPPO A57s.
Display Format Full HD+ HD+
Pixel Density 427 ppi 269 ppi Fairphone 3 has better pixel density than OPPO A57s.
Aspect Ratio 18:9 20.1:9
Max Brightness - 600 cd/m²
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Contrast Ratio - 1500:1
Display Refresh Rate - 60 Hz
Touch Sampling Rate - 60 Hz
Display Features - Night mode, Eye comfort mode, 96% NTSC
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) Panda Glass MN228
PROCESSOR Fairphone 3 OPPO A57s
Processor Type (CPU) Qualcomm Snapdragon 632 MediaTek Helio G35
Clock Speed 1.8 GHz 2.3 GHz OPPO A57s has higher clock speed than Fairphone 3.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) Qualcomm ADRENO 506 IMG GE8320
MEMORY Fairphone 3 OPPO A57s
RAM 4 GB LPDDR4X SDRAM - 4 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 64 GB 128 GB OPPO A57s has more internal memory than Fairphone 3.
Memory Interface - eMMC 5.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Fairphone 3 OPPO A57s
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 12 Megapixel 50 Megapixel OPPO A57s has better camera resolution than Fairphone 3.
Sensor Size 1/2.55" 1/2.76" OPPO A57s has better camera sensor size than Fairphone 3.
Sensor Name Sony Exmor RS IMX363 sensor Samsung S5KJN1
Lens Aperture F/1.8 F/1.8 Both phones have the same camera lens aperture.
Lens Construction - 5-element
Field of View (FoV) - 77 degree(s)
Pixel Size - 0.64 μm
Focus Adjustment Automatic Automatic
Minimum Focal Length (Focal Distance) - 27 mm
Digital Zoom 8x 5x Fairphone 3 has better digital zoom than OPPO A57s.
Special Effects - Stickers
Camera Modes - Panorama, Time-lapse mode, Pro mode, Portrait, Night
Light Source Dual LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) Dual Phase Detect Auto-Focus (PDAF), digital image stabilisation -
SECOND CAMERA
Sensor Resolution (2nd Camera) - 2 Megapixel
Sensor Size (2nd Camera) - 1/5"
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
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 8 Megapixel Both phones have the same front camera resolution.
Sensor Size (Front) 1/4" 1/1.4" Fairphone 3 has better front camera sensor size than OPPO A57s.
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) - 1.12 μm
Focus Adjustment - Focus free
Min Focal Length (Front) - 26 mm
Special Effects (Front) HDR Stickers
Camera Modes (Front) - Panorama, Time-lapse mode, Portrait
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) Up to 8x digital zoom, digital image stabilisation -
BATTERY AND CHARGING Fairphone 3 OPPO A57s
Battery Capacity (Battery Size) 3000 mAh 5000 mAh OPPO A57s has larger battery capacity than Fairphone 3.
Fast Charging Technology - SuperVOOC Flash Charge technology OPPO A57s has fast charging technology.
Recharge Time (Charging Time) 3.5 hour(s) -
Standby Time 300 hours 304 hours OPPO A57s has longer standby time than Fairphone 3.
Talk Time 1200 minutes 1800 minutes OPPO A57s has longer battery life when making calls than Fairphone 3.
Run Time Details Talk: up to 1200 min
Standby: up to 300 hrs
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 Fairphone 3 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)
Navigation GPS, A-GPS, GLONASS, Galileo GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Fairphone 3 OPPO A57s
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, VoWiFi 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 5, Band 8
3G UMTS Frequency - 2100, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 13, Band 20, Band 26 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 700c, FDD 800 DD, FDD 850+ 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 LE Bluetooth 5.3 BLE
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Fairphone 3 OPPO A57s
Supported Digital Audio Standards AAC, AIFF, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), WMA v10, WMA v9, WMA Lossless 9, WMA 10 Pro, ALAC, AMR-WB, AMR-NB, Vorbis 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 VC-1, MPEG-4, DivX, MPEG-2, H.264, H.263, HEVC, VP8, VP9 MKV, FLV, AVI, MOV, ASF, 3GP, M4V, TS, M2TS, WebM, MP4
Sound Enhancements - Dirac sound technologies
FEATURES Fairphone 3 OPPO A57s
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 Accelerometer, proximity sensor, magnetometer, gravity sensor, brightness sensor
Security Devices Fingerprint reader Face recognition, fingerprint reader (side)
Additional Phone Features MIMO technology, modular and repairable design, recycled and fair materials 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 Fairphone 3 OPPO A57s
Included Accessories Bumper, mini screwdriver SIM card removal tool, USB-C charging cable, protective film, SuperVOOC 33W power adapter
Compliant Standards - IPX4
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