Compareswap_vert

Rivo Rhythm RX55 vs Oppo A57

2G Network SIM1: 850 / 900/ 1800/ 1900 SIM2: 850 / 900/ 1800/ 1900 SIM1: SIM1 GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Network WCDMA HSDPA 850 / 900 / 2100  
4G Network LTE band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)  
Dimensions 126 x 64.2 x 8.9 mm 163.7 x 75 x 8 mm  
Sim Type Dual Sim, Dual Standby (Nano-SIM)  
Weight N/a 187 g  
Display Type IPS Display IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch   60Hz  
Display Size 6.53 Inches   720 x 1612 Pixels (~270 PPI)  
Memory 4GB built-in 64GB Built-in, 3GB RAM  
Card slot microSD card (supports up to 32GB) microSDXC  
RAM 512MB RAM
GPRS Yes Yes
EDGE Yes
WLAN WLAN (Wi-Fi 802.11 b/g/n) Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot  
BlueTooth Bluetooth v5.0 with A2DP, LE  
USB USB USB-C port  
NFC No  
GPS Yes + A-GPS support  
Main Camera 5 MP, LED Flash, Video, Dual 13 MP, f/2.2, 26mm (wide), 1/3.06", AF + 2 MP, f/2.4, (depth), LED Flash   Geo-tagging, touch focus, face detection, HDR, panorama, Video (1080p@30fps)  
Front Camera VGA 8 MP, f/2.0, (wide), HDR, Video (1080p@30fps)  
OS Android OS, v4.4 (KitKat) Android 11 OS  
Chipset MediaTek MT6765G Helio G35 (12 nm)  
Processor 1.3GHZ Quad-Core Octa-core (4 x 2.3 GHz Cortex-A53 + 4 x 1.8 GHz Cortex-A53)  
GPU PowerVR GE8320  
Sensors Accelerometer, Compass, FingerPrint, Proximity  
Browser HTML5 HTML5  
Sound FM Radio, 3.5mm audio jack, MP4/WMV/H.264/H.263 player, MP3/AAC/WMA/WAV player, SNS integration, Google Talk, Games (built-in + downloadable) 3.5mm Audio Jack, MP4/H.264/FLAC player, MP3/eAAC+/WAV player, Speaker Phone  
Colors Black, White Glowing Green, Glowing Black  
Battery 1500 mAh (Li-Po Non removable), 5000 mAh   - Fast charging 33W, 50% in 30 min (advertised)  
Misc Dual Sim, Dual Stand-by, Google Search, Maps, Gmail, Youtube, Calendar, Speakerphone SMS (threaded view), MMS, Email, Push Email   IPX4 water resistant, IP5X dust resistant ,Glass front, Plastic frame, Plastic back, Document viewer, Photo/video editor