vivo Y91i vs Xiaomi Redmi 7A

Phones Images
PHONES
Phone Names vivo Y91i Xiaomi Redmi 7A
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 1900 / 2100
4G bands1, 3, 5, 8, 28, 38, 40, 411, 2, 3, 4, 5, 7, 8, 20, 38, 40 - Global
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
 -1, 3, 5, 8, 34, 38, 39, 40, 41 - China
Launch
Announced2018, November. Released 2018, November2019, May 24. Released 2019, July 04
StatusDiscontinuedDiscontinued
Body
Build-Glass front, plastic back, plastic frame
Dimensions155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in)146.3 x 70.4 x 9.6 mm (5.76 x 2.77 x 0.38 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight163.5 g (5.78 oz)165 g (5.82 oz)
 -Splash resistant
Display
Resolution720 x 1520 pixels, 19:9 ratio (~271 ppi density)720 x 1440 pixels, 18:9 ratio (~295 ppi density)
Size6.2 inches, 95.9 cm2 (~82.4% screen-to-body ratio)5.45 inches, 76.7 cm2 (~74.4% screen-to-body ratio)
TypeIPS LCDIPS LCD
Platform
CPUOcta-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)
ChipsetQualcomm SDM439 Snapdragon 439 (12 nm)Qualcomm SDM439 Snapdragon 439 (12 nm)
GPUAdreno 505Adreno 505
OSAndroid 8.1 (Oreo), Funtouch 4.5Android 9.0 (Pie), upgradable to Android 10, MIUI 12
Memory
Card slotmicroSDXCmicroSDXC (dedicated slot)
Internal16GB 2GB RAM16GB 2GB RAM, 32GB 2GB RAM, 32GB 3GB RAM
 eMMC 5.1eMMC 5.1
Main Camera
Dual13 MP, f/2.2, PDAF Auxiliary lens-
FeaturesLED flash, panoramaLED flash, HDR
Single-13 MP, f/2.2, 1/3.1", 1.12µm, PDAF - China or 12 MP, f/2.2, 1/2.9", 1.25µm, PDAF - Global, India
Video1080p@30fps1080p@30fps
Selfie camera
Features-HDR
Single8 MP, f/2.05 MP, f/2.2, 1/5.0", 1.12µm
Video-1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth4.2, A2DP, LE4.2, A2DP, LE
NFCNoNo
PositioningGPS, GLONASS, BDSGPS, GLONASS, BDS
RadioFM radioFM Radio, built-in antenna
USBmicroUSB 2.0, OTGmicroUSB 2.0, OTG
WLANWi-Fi 802.11 b/g/n, Wi-Fi DirectWi-Fi 802.11 b/g/n, Wi-Fi Direct
Features
SensorsFingerprint (rear-mounted), accelerometer, proximity, compassAccelerometer, proximity, compass
Battery
Charging-10W wired
Type4030 mAh, non-removableLi-Po 4000 mAh, non-removable
Misc
ColorsStarry Black, Ocean Blue, RedMatte Black, Morning blue, Matte Blue, Matte Gold, Gem Red, Gem Blue
Models-MZB7995IN, M1903C3EG, M1903C3EH, M1903C3EI
PriceAbout 130 EURAbout 130 EUR
SAR-1.00 W/kg (head)     1.12 W/kg (body)
SAR EU-0.56 W/kg (head)     1.17 W/kg (body)