Tecno Spark 40 vs Oppo A31

Phones Images
PHONES
Phone Names Tecno Spark 40 Oppo A31
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 900 / 2100HSDPA 850 / 900 / 2100 - International
4G bandsLTE1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - International
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
 -1, 3, 5, 7, 8, 38, 40, 41 - Asia
Launch
Announced2025, July 022020, February 13. Released 2020, February 14
StatusAvailable. Released 2025, JulyDiscontinued
Body
Build-Glass front (Gorilla Glass 3), plastic back, plastic frame
Dimensions165.6 x 77 x 7.7 mm (6.52 x 3.03 x 0.30 in)163.9 x 75.5 x 8.3 mm (6.45 x 2.97 x 0.33 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight-180 g (6.35 oz)
Display
Protection-Corning Gorilla Glass 3
Resolution720 x 1600 pixels, 20:9 ratio (~263 ppi density)720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Size6.67 inches, 107.4 cm2 (~84.2% screen-to-body ratio)6.5 inches, 102.0 cm2 (~82.4% screen-to-body ratio)
TypeIPS LCD, 120HzIPS LCD, 480 nits (typ)
Platform
CPUOcta-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
ChipsetMediatek Helio G81 (12 nm)Mediatek Helio G91 (12 nm) - NFC modelMediatek MT6765V/CB Helio P35 (12 nm)
GPUMali-G52 MC2PowerVR GE8320
OSAndroid 15, HIOS 15Android 9.0 (Pie), ColorOS 6.1
Memory
Card slotmicroSDXCmicroSDXC (dedicated slot)
Internal128GB 4GB RAM, 128GB 6GB RAM, 256GB 4GB RAM, 256GB 8GB RAM64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
 -eMMC 5.1
Main Camera
FeaturesDual-LED flashLED flash, HDR, panorama
Single50 MP, (wide), PDAF Auxiliary lens-
Triple-12 MP, f/1.8, (wide), 1/2.86", 1.25µm, PDAF 2 MP (macro) Auxiliary lens
Video1440p@30fps, 1080p@30fps1080p@30fps
Selfie camera
FeaturesDual-LED flashHDR
Single8 MP, (wide)8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack -Yes
35mm jackYesYes
Loudspeaker Yes, with stereo speakersYes
Comms
BluetoothYes5.0, A2DP, LE
Infrared portYes-
NFCYes (market/region dependent)No
PositioningGPSGPS, GLONASS, BDS
RadioFM radioFM radio
USBUSB Type-CmicroUSB 2.0, OTG
WLANYesWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted); unspecified sensorsFingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Battery
Charging45W wired, 55 min to 100%-
Type5200 mAhLi-Po 4230 mAh
Misc
ColorsInk Black, Titanium Grey, Veil White, Mirage BlueFantasy White, Mystery Black, Lake Green
ModelsKM5CPH2015, CPH2073, CPH2081, CPH2029, CPH2031
PriceAbout 110 EURAbout 490 EUR