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Oppo A57 vs Sharp R1S

 
Brief information about compared phones: Oppo A57 , Sharp R1S

Oppo A57 2016 year of release. cpu Octa-core 1.4 GHz Cortex-A53. screen 5.2". with resolution 720x1280. Smartphone has 16 megapixel front camera and 13 megapixel main camera .

Sharp R1S 2018 year of release. cpu Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53). screen 5.5". with resolution 720x1280. Smartphone has 5 megapixel front camera and 13 megapixel main camera .

Display Technology IPS LCD IPS LCD
Touchscreen capacitive touchscreen capacitive touchscreen
Display colors 16M 16M
Screen size 5.2" inch 5.5" inch
Screen area 74.5 cm2 83.4 cm2
Screen format 16:9 (height:width) 16:9 (height:width)
Screen to body ratio 68.6% %
Screen resolution 720 x 1280 px 720 x 1280 px
PPI /points per inch/ 282 PPI 267 PPI
Screen protection Corning Gorilla Glass 4
Camera and Video Rear camera, main 13 MP, Single 13 MP, Dual
Camera specs 13 MP, PDAF, f/2.2 13 MP, f/2.0, AF -5 MP, depth sensor
Functions LED flash, HDR, panorama Dual-LED dual-tone flash, panorama, HDR
Video 1080p@30fps 1080p@30fps
Front camera, selfie 16 MP, Single 5 MP, Single
Specifications 16 MP, f/2.0, 1.12µm, AF 5 MP, f/2.4
Performance Operating system OS Android 6 (Marshmallow); ColorOS 3 Android 7.0 (Nougat)
Chipset Qualcomm MSM8940 Snapdragon 435 (28 nm) Mediatek MT6750 (28 nm)
Processor CPU Octa-core 1.4 GHz Cortex-A53 Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU Adreno 505 Mali-T860MP2
External memory microSD, up to 256 GB microSD, up to 128 GB (uses SIM 2 slot)
Internal memory 32 GB, 3 GB RAM 32 GB, 3 GB RAM
Antutu 7 score 46782 48572
GeekBench 4 Single Core 657
GeekBench 4 Multi-Core 2764
GeekBench 4 RenderScript 2302
General specs Release date 2016, November 2018, February
Dimensions (HxWxD) 149.1 Х 72.9 Х 7.7 mm Х Х mm
Weight 147 g 0 g
Colors Black, Gold, Rose Gold Black
Battery 2900 mAh,  Non-removable Li-Ion 5000 mAh,  Non-removable Li-Ion
Approximate price 200 EUR 170 EUR
Body build Front glass, aluminum body
Communication and Connectivity SIM card Single SIM (Nano-SIM)Dual SIM (Nano-SIM, dual stand-by) Hybrid Dual SIM (Nano-SIM, dual stand-by)
Network Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 40(2300)
Speed HSPA, LTE HSPA, LTE
GPRS Yes Yes
Edge Yes Yes
Wi-Fi Wi-Fi 802.11 b/g/n, hotspot Wi-Fi 802.11 b/g/n, hotspot
GPS Yes, with A-GPS Yes, with A-GPS
NFC
USB microUSB 2.0, USB Host microUSB 2.0, USB On-The-Go
Bluetooth 4.1, A2DP 4.2, A2DP, LE
Music and Audio Radio FM radio To be confirmed
Headphone jack Yes No
Others Active noise cancellation with dedicated mic
Other features Dop Sensors Fingerprint (front-mounted), accelerometer, proximity, compass - Also known as Oppo F3 Lite in Vietnam Sensors Fingerprint (front-mounted), accelerometer, proximity - Power Bank/Reverse charging - For Indonesia, Vietnam

An overview of the main advantages of each of the devices

Reasons to buy A57
  • Screen 5.2"
  • Front camera 16 MP
  • External memory microSD GB
Reasons to buy R1S
  • Screen 5.5"
  • External memory microSD GB