Oppo A73 vs Samsung Galaxy A31

Phones Images
PHONES
Phone Names Oppo A73 Samsung Galaxy A31
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 1900 / 2100 - SM-A315F
4G bands1, 3, 5, 7, 8, 20, 28, 38, 40, 411, 2, 3, 5, 7, 8, 20, 38, 40, 41 - SM-A315F
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
Launch
Announced2020, October 05. Released 2020, November 202020, March 24. Released 2020, April 27
StatusDiscontinuedDiscontinued
Body
Dimensions159.8 x 72.9 x 7.5 mm (6.29 x 2.87 x 0.30 in)159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in)
SIMNano-SIM + Nano-SIM· Nano-SIM· Nano-SIM + Nano-SIM
Weight163 g (5.75 oz)185 g (6.53 oz)
Display
ProtectionCorning Gorilla Glass 3-
Resolution1080 x 2400 pixels, 20:9 ratio (~409 ppi density)1080 x 2400 pixels, 20:9 ratio (~411 ppi density)
Size6.44 inches, 100.1 cm2 (~86.0% screen-to-body ratio)6.4 inches, 98.9 cm2 (~84.9% screen-to-body ratio)
TypeAMOLED, 430 nits (typ), 600 nits (peak)Super AMOLED
Platform
CPUOcta-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
ChipsetQualcomm SM6115 Snapdragon 662 (11 nm)Mediatek MT6768 Helio P65 (12 nm)
GPUAdreno 610Mali-G52 MC2
OSAndroid 10, ColorOS 7.2Android 10, upgradable to Android 12, One UI 4.1
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal128GB 4GB RAM, 128GB 6GB RAM64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
 UFS 2.1 (single lane)-
Main Camera
FeaturesLED flash, HDR, panoramaLED flash, panorama, HDR
Quad16 MP, f/2.2, (wide), 1/3.06", PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm Auxiliary lens48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm 5 MP (macro) Auxiliary lens
Video1080p@30fps, gyro-EIS1080p@30fps
Selfie camera
FeaturesHDR-
Single16 MP, f/2.0, 26mm (wide), 1/3.1", 1.0µm20 MP, f/2.2, (wide)
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE, aptX5.0, A2DP, LE
NFCYes (market/region dependent)Yes (market/region dependent)
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, GALILEO, BDS
RadioFM radioFM radio, RDS, recording
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, compass
Battery
Charging30W wired, 50% in 30 min, 100% in 53 min15W wired
TypeLi-Po 4015 mAhLi-Po 5000 mAh
Misc
ColorsNavy Blue, Classic SilverPrism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
ModelsCPH2099SM-A315F, SM-A315F/DS, SM-A315G/DS, SM-A315G, SM-A315N
Price-£ 139.00 / € 138.27
SAR EU-0.49 W/kg (head)     1.68 W/kg (body)
Tests
Battery life-Endurance rating 124h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal)
Loudspeaker- -30.9 LUFS (Below average)
Performance- AnTuTu: 151815 (v8) GeekBench: 5096 (v4.4), 1216 (v5.1) GFXBench: 7fps (ES 3.1 onscreen)
OUR TESTS
Battery (old)-Endurance rating 124h
Camera-Photo / Video
Display-635 nits max brightness (measured)
Loudspeaker--30.9 LUFS (Below average)
Performance-AnTuTu: 151815 (v8) GeekBench: 5096 (v4.4), 1216 (v5.1) GFXBench: 7fps (ES 3.1 onscreen)