Oppo A15 vs Samsung Galaxy A02s

Phones Images
PHONES
Phone Names Oppo A15 Samsung Galaxy A02s
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 3, 5, 8, 38, 40, 411, 3, 5, 7, 8, 20, 28, 38, 40, 41
SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
Launch
Announced2020, October 15. Released 2020, October 272020, November 24. Released 2021, January 04
StatusDiscontinuedDiscontinued
Body
BuildGlass front, plastic back, plastic frameGlass front, plastic back, plastic frame
Dimensions164 x 75.4 x 7.9 mm (6.46 x 2.97 x 0.31 in)164.2 x 75.9 x 9.1 mm (6.46 x 2.99 x 0.36 in)
SIMNano-SIM + Nano-SIM· Nano-SIM· Nano-SIM + Nano-SIM
Weight175 g (6.17 oz)196 g (6.91 oz)
Display
Protection-Scratch-resistant glass
Resolution720 x 1600 pixels, 20:9 ratio (~269 ppi density)720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Size6.52 inches, 102.6 cm2 (~83.0% screen-to-body ratio)6.5 inches, 102.0 cm2 (~81.8% screen-to-body ratio)
TypeIPS LCD, 480 nits (typ)PLS LCD
Platform
CPUOcta-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)Octa-core 1.8 GHz Cortex-A53
ChipsetMediatek MT6765 Helio P35 (12 nm)Qualcomm SDM450 Snapdragon 450 (14 nm)
GPUPowerVR GE8320Adreno 506
OSAndroid 10, ColorOS 7.2Android 10, upgradable to Android 12, One UI 4.1
Memory
Card slotmicroSDXCmicroSDXC (dedicated slot)
Internal32GB 2GB RAM, 32GB 3GB RAM16GB 1GB RAM, 32GB 2GB RAM, 32GB 3GB RAM, 32GB 4GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
 eMMC 5.1eMMC 5.1
Main Camera
FeaturesLED flash, HDR, panoramaLED flash
Single-3.15 MP
Triple13 MP, f/2.2, (wide), 1/3.1", 1.12µm, PDAF 2 MP (macro) Auxiliary lens13 MP, f/2.2, (wide), AF 2 MP (macro) Auxiliary lens
Video1080p@30fps1080p@30fps
Selfie camera
FeaturesHDR-
Single5 MP, f/2.4, (wide)5 MP, f/2.2
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE, aptX4.2, A2DP
NFCNoNo
PositioningGPS, GLONASS, BDSGPS, GLONASS, GALILEO, BDS
RadioFM radioUnspecified
USBmicroUSB 2.0, OTGUSB Type-C 2.0
WLANWi-Fi 802.11 b/g/n, Wi-Fi DirectWi-Fi 802.11 b/g/n, Wi-Fi Direct
Features
SensorsFingerprint (rear-mounted), accelerometer, proximityAccelerometer, proximity
Battery
Charging10W wired15W wired
Stand-by-Up to 530 h (2G) / Up to 530 h (3G)
Talk time-Up to 6 h 12 min (2G) / Up to 6 h 18 min (3G)
TypeLi-Po 4230 mAhLi-Po 5000 mAh
Misc
ColorsDynamic Black, Mystery BlueBlack, White, Red, Blue
ModelsCPH2185SM-A025F, SM-A025F/DS, SM-A025G, SM-A025G/DS, SM-A025M, SM-A025M/DS, SM-A025U, SM-A025V, SM-A025A, SM-A025U1, SM-A025AZ, SM-S124DL
PriceAbout 550 EURAbout 110 EUR
SAR-1.15 W/kg (head)     0.79 W/kg (body)    
SAR EU-0.40 W/kg (head)     1.37 W/kg (body)
Tests
Audio quality- Noise -81.4dB / Crosstalk -80.5dB
Battery life- Endurance rating 114h
Camera- Photo / Video
Display- Contrast ratio: 1765:1 (nominal)
Loudspeaker- -29.8 LUFS (Average)
Performance- AnTuTu: 90811 (v8) GeekBench: 495 (v5.1) GFXBench: 6.1fps (ES 3.1 onscreen)
OUR TESTS
Battery (old)-Endurance rating 114h
Camera-Photo / Video
Display-1765:1 contrast ratio, 406 nits max brightness (measured)
Loudspeaker--29.8 LUFS (Average)
Performance-AnTuTu: 90811 (v8) GeekBench: 495 (v5.1) GFXBench: 6.1fps (ES 3.1 onscreen)