Archos 55 Cobalt Plus vs. OPPO A57s

Phone Comparison, Reviews and Tests

Detailed comparison and review of Archos 55 Cobalt Plus 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

Archos 55 Cobalt Plus vs. OPPO A57s Comparison Chart
DESIGN AND DIMENSIONS Archos 55 Cobalt Plus OPPO A57s
Product Type Smartphone Smartphone
Manufacturer Model Number - CPH2385
Form Factor Touch Touch
Height 152.5 mm 163.74 mm OPPO A57s has greater height than Archos 55 Cobalt Plus.
Width 77 mm 75.03 mm Archos 55 Cobalt Plus has greater width than OPPO A57s.
Depth 8.3 mm 7.99 mm OPPO A57s is narrower than Archos 55 Cobalt Plus.
Weight 130 g 187 g Archos 55 Cobalt Plus is lighter than Archos 55 Cobalt Plus.
Body Colour Grey Starry black
Body Material - Composite polymer
Waterproof (Water-resistant) - - OPPO A57s is waterproof.
IP rating - IPX4
SAR Value 1.277 W/kg (body), 0.251 W/kg (head) 1.015 W/kg (body), 0.957 W/kg (head), 2.399 W/kg (limb)
Integrated Components FM radio -
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Micro SIM, nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY Archos 55 Cobalt Plus OPPO A57s
Display Type LCD display LCD display
Display Technology IPS LCD
Screen Size (Display Size) 5.5" 6.56" OPPO A57s has larger screen size than Archos 55 Cobalt Plus.
Screen Resolution (Display Resolution) 1280 x 720 pixels 1612 x 720 pixels OPPO A57s has better screen resolution than Archos 55 Cobalt Plus.
Display Format HD HD+
Pixel Density 267 ppi 269 ppi OPPO A57s has better pixel density than Archos 55 Cobalt Plus.
Aspect Ratio - 20.1:9
Max Brightness - 600 cd/m²
Colour Depth - 16.7 million colours
Contrast Ratio - 1500:1
Display Refresh Rate - 60 Hz
Touch Sampling Rate - 60 Hz
Display Features Full Lamination, 2.5D curved glass Night mode, Eye comfort mode, 96% NTSC
Display Protection (Screen Protector) - Panda Glass MN228
PROCESSOR Archos 55 Cobalt Plus OPPO A57s
Processor Type (CPU) MediaTek MediaTek Helio G35
Processor Number MT6735P -
Clock Speed 1 GHz 2.3 GHz OPPO A57s has higher clock speed than Archos 55 Cobalt Plus.
Processor Core Qty Quad-core 8-core OPPO A57s has higher processor core quantity than Archos 55 Cobalt Plus.
64-bit Architecture Yes - Archos 55 Cobalt Plus has 64-bit architecture.
Graphics System (GPU) Mali T720 MP3 IMG GE8320
MEMORY Archos 55 Cobalt Plus OPPO A57s
RAM 2 GB LPDDR4X SDRAM - 4 GB OPPO A57s has more RAM than Archos 55 Cobalt Plus.
Internal Memory Size (Storage Capacity) 16 GB 128 GB OPPO A57s has more internal memory than Archos 55 Cobalt Plus.
Memory Interface - eMMC 5.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 64 GB microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Archos 55 Cobalt Plus OPPO A57s
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 13 Megapixel 50 Megapixel OPPO A57s has better camera resolution than Archos 55 Cobalt Plus.
Sensor Size - 1/2.76"
Sensor Name - Samsung S5KJN1
Lens Aperture - F/1.8
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 - 5x
Special Effects - Stickers
Camera Modes - Panorama, Time-lapse mode, Pro mode, Portrait, Night
Light Source LED light LED flash
Video Resolutions 1280 x 720 (720p) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
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) 2 Megapixel 8 Megapixel OPPO A57s has better front camera resolution than Archos 55 Cobalt Plus.
Sensor Size (Front) - 1/1.4"
Sensor Name (Front) - Omnivision OV08D10 sensor
Lens Aperture (Front) - F/2.0
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) - 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
BATTERY AND CHARGING Archos 55 Cobalt Plus OPPO A57s
Battery Capacity (Battery Size) 2700 mAh 5000 mAh OPPO A57s has larger battery capacity than Archos 55 Cobalt Plus.
Fast Charging Technology - SuperVOOC Flash Charge technology OPPO A57s has fast charging technology.
Standby Time 450 hours 304 hours Archos 55 Cobalt Plus has longer standby time than OPPO A57s.
Talk Time 1620 minutes 1800 minutes OPPO A57s has longer battery life when making calls than Archos 55 Cobalt Plus.
Run Time Details Talk: up to 1620 min
Standby (single SIM): up to 450 hrs
Standby (dual SIM): up to 340 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 Archos 55 Cobalt Plus 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 5.1 (Lollipop) ColorOS 12.1 (based on Android 12)
Intelligent Assistant Google Now -
Navigation GPS GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Archos 55 Cobalt Plus OPPO A57s
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, DC-HSPA+ 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 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency - 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 802.11b/g/n IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.0 Bluetooth 5.3 BLE
NFC - Yes OPPO A57s has NFC reader for mobile payments.
Messaging Services Google+ Hangouts, SMS, MMS -
MEDIA Archos 55 Cobalt Plus OPPO A57s
Supported Digital Audio Standards WAV, AAC, PCM, Ogg Vorbis, MP3, ADPCM, AAC + 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 AVI, MPEG-4, 3GP, H.264 MKV, FLV, AVI, MOV, ASF, 3GP, M4V, TS, M2TS, WebM, MP4
Sound Enhancements - Dirac sound technologies
FEATURES Archos 55 Cobalt Plus OPPO A57s
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Ambient light sensor, proximity sensor, G-sensor Accelerometer, proximity sensor, magnetometer, gravity sensor, brightness sensor
Security Devices - Face recognition, fingerprint reader (side)
Additional Phone Features - 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 Archos 55 Cobalt Plus OPPO A57s
Included Accessories Hands-free headset, USB cable, power adapter SIM card removal tool, USB-C charging cable, protective film, SuperVOOC 33W power adapter
Compliant Standards - IPX4
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