Oppo A3 4G vs Samsung Galaxy A51 5G UW

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PHONES
Phone Names Oppo A3 4G Samsung Galaxy A51 5G UW
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - version 1HSDPA 850 / 900 / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 26, 28, 38, 40, 41, 66 - version 12, 4, 5, 13, 66
5G bands-260, 261 mmWave
SpeedHSPA, LTEHSPA, LTE, 5G
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE / 5G
Launch
Announced2024, August 202020, August 14
StatusAvailable. Released 2024, August 20Available. Released 2020, August 14
Body
Build-Glass front (Gorilla Glass 3), plastic back, aluminum frame
Dimensions165.8 x 76.1 x 7.7 mm (6.53 x 3.00 x 0.30 in)158.8 x 73.4 x 8.6 mm (6.25 x 2.89 x 0.34 in)
SIMNano-SIM + Nano-SIMNano-SIM (pre-installed)
Weight186 g (6.56 oz)188.8 g (6.67 oz)
Display
ProtectionPanda glassCorning Gorilla Glass 3
Resolution720 x 1604 pixels, 20:9 ratio (~264 ppi density)1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
Size6.67 inches, 107.2 cm2 (~85.0% screen-to-body ratio)6.5 inches, 102.0 cm2 (~87.5% screen-to-body ratio)
TypeIPS LCD, 90Hz, 1000 nits (HBM)Super AMOLED
Platform
CPUOcta-core (4x2.1 GHz Cortex-A73 & 4x1.8 GHz Cortex-A53)Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)
ChipsetQualcomm SM-6115 Snapdragon 6s 4G Gen1 (11 nm)Qualcomm SM7250 Snapdragon 765G 5G (7 nm)
GPUAdreno 610Adreno 620
OSAndroid 14, ColorOS 14Android 10, One UI 2
Memory
Card slotmicroSDXCmicroSDXC (uses shared SIM slot)
Internal128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 4GB RAM, 256GB 6GB RAM, 256GB 8GB RAM128GB 6GB RAM
 -UFS 2.1
Main Camera
Dual50 MP, f/1.8, (wide), PDAF Auxiliary lens-
FeaturesLED flash, HDR, panoramaLED flash, panorama, HDR
Quad-48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 123˚ (ultrawide) 5 MP (macro) Auxiliary lens
Single-5 MP, AF
Video1080p@30/60fps4K@30fps, 1080p@30/120fps; gyro-EIS
Selfie camera
Features-HDR
Single5 MP, f/2.2, (wide)32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
Video1080p@30fps4K@30fps, 1080p@30fps
Sound
3.5mm jack -Yes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
NFCYes, 360˚ (market/region dependent)Yes
PositioningGPS, GALILEO, GLONASS, BDS, QZSSGPS, GLONASS, GALILEO, BDS
RadioUnspecifiedFM radio, RDS, recording
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-bandWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
 -ANT+
Battery
Charging45W wired, PD2.0, PPS, 50% in 30 min15W wired
Stand-by-Up to 672 h
Talk time-Up to 5 h
Type5100 mAhLi-Po 4500 mAh
Misc
ColorsSparkle Black, Starry Purple, Starlight WhitePrism Bricks Blue
ModelsCPH2669, CPH3669SM-A516V
PriceAbout 150 EURAbout 470 EUR
SAR-0.70 W/kg (head)     1.25 W/kg (body)    
SAR EU-0.59 W/kg (head)     1.32 W/kg (body)