ZTE Blade A71 vs ZTE Blade A31

Phones Images
PHONES
Phone Names ZTE Blade A71 ZTE Blade A31
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 3, 5, 7, 8, 20, 28, 38, 40, 411, 2, 3, 5, 7, 8, 20, 28, 38
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
Launch
Announced2021, October 072021, July 13
StatusAvailable. Released 2021, October 07Available. Released 2021, July 13
Body
Dimensions165.2 x 75.2 x 8.2 mm (6.50 x 2.96 x 0.32 in)140 x 71 x 8.9 mm (5.51 x 2.80 x 0.35 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight180 g (6.35 oz)166 g (5.86 oz)
Display
Resolution720 x 1600 pixels, 20:9 ratio (~269 ppi density)720 x 1440 pixels, 18:9 ratio (~295 ppi density)
Size6.52 inches, 102.6 cm2 (~82.6% screen-to-body ratio)5.45 inches, 76.7 cm2 (~77.1% screen-to-body ratio)
TypeIPS LCDIPS LCD
Platform
CPUOcta-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
ChipsetUnisoc SC9863A (28 nm)Unisoc SC9863A (28 nm)
GPUIMG8322IMG8322
OSAndroid 11Android 11 (Go edition)
Memory
Card slotmicroSDXCmicroSDXC
Internal64GB 3GB RAM32GB 2GB RAM
Main Camera
FeaturesLED flash, HDRLED flash, HDR
Single-8 MP
Triple16 MP, f/1.8, (wide), AF 8 MP, f/2.2, 120˚, (ultrawide) Auxiliary lens-
Video1080p@30fps720p@30fps
Selfie camera
Single8 MP2 MP (up-scaled to 5 MP)
Video1080p@30fps-
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth4.2, A2DP, LE4.2, A2DP, LE
NFCYesYes (market/region dependent)
PositioningGPS, GLONASSGPS, GLONASS
RadioFM radioFM radio
USBUSB Type-C 2.0microUSB 2.0
WLANWi-Fi 802.11 b/g/nWi-Fi 802.11 b/g/n
Features
SensorsFingerprint (side-mounted), accelerometer, proximityAccelerometer
Battery
TypeLi-Ion 4000 mAhLi-Ion 3000 mAh, removable
Misc
ColorsBlue, Gray, GreenBlue, Gray
ModelsA7030-
PriceAbout 90 EUR-