Product
Oppo A37
Oppo A37
Samsung Galaxy M55s
Samsung Galaxy M55s
Battery
Charging - 45W wired
Type Li-Ion 2630 mAh, non-removable 5000 mAh
Body
Build Glass front (Gorilla Glass 4), aluminum back, aluminum frame -
Dimensions 143.1 x 71 x 7.7 mm (5.63 x 2.80 x 0.30 in) 163.9 x 76.5 x 7.8 mm (6.45 x 3.01 x 0.31 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 136 g (4.80 oz) 180 g (6.35 oz)
Comms
Bluetooth 4.0, A2DP 5.2, A2DP, LE
NFC No Yes
Positioning GPS GPS, GALILEO, GLONASS, BDS, QZSS
Radio FM radio No
USB microUSB 2.0 USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n, hotspot Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 4 -
Resolution 720 x 1280 pixels, 16:9 ratio (~294 ppi density) 1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Size 5.0 inches, 68.9 cm2 (~67.8% screen-to-body ratio) 6.7 inches, 108.4 cm2 (~86.4% screen-to-body ratio)
Type IPS LCD Super AMOLED+, 120Hz, 1000 nits (HBM)
Features
Sensors Accelerometer, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2016, June 20. Released 2016, June 2024, September 24
Status Discontinued Available. Released 2024, September 26
Main Camera
Features LED flash, panorama LED flash, panorama, HDR
Single 8 MP, f/2.0, 1/3.2", 1.4µm, AF -
Triple - 50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS 8 MP, f/2.2, 123˚ (ultrawide) 2 MP, f/2.4, (macro)
Video 1080p@30fps 4K@30fps, 1080p@30/60fps, gyro-EIS, OIS
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 16GB 2GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  eMMC 4.5 -
Misc
Colors Gold, Rose Gold Thunder Black, Coral Green
Models A37f, A37fw, A37m SM-M558B, SM-M558B/DS
SAR - 0.93 W/kg (head)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 5, 7, 8, 41 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 38, 40, 41, 66
5G bands - 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Speed HSPA, LTE HSPA, LTE, 5G
Technology GSM / HSPA / LTE GSM / HSPA / LTE / 5G
Platform
Chipset Qualcomm MSM8916 Snapdragon 410 (28 nm) Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU Quad-core 1.2 GHz Cortex-A53 Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Adreno 306 Adreno 644
OS Android 5.1 (Lollipop), ColorOS 3 Android 14, up to 4 major Android upgrades, One UI 6.1
Selfie camera
Single 5 MP, f/2.4, 1/4.0" 50 MP, f/2.4, (wide)
Video 4K@30fps, 1080p@30/60fps
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes, with stereo speakers