OPPO A91 vs Infinix Smart 20

OPPO A91

Rs. 39,999

OPPO A91
Key Specs
Display 6.4"
Battery 4025 mAh
Camera 48 MP + 8 MP + 2 MP + 2 MP
Storage 128 GB 8 GB RAM

Network
TechnologyGSM / CDMA / HSPA / LTE
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
 CDMA 800 & TD-SCDMA
3G bandsHSDPA 850 / 1700(AWS) / 1900 / 2100 - International
 HSDPA 850 / 900 / 2100 - Southeast Asia
4G bands1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - International
 1, 3, 5, 7, 8, 38, 40, 41
 1, 3, 5, 8, 38, 40, 41 - Southeast Asia
 1, 3, 4, 5, 8, 34, 38, 39, 40, 41 - China
SpeedHSPA 42.2/11.5 Mbps, LTE-A
Launch
Announced2019, December 20
StatusAvailable. Released 2019, December
Body
Dimensions160.2 x 73.3 x 7.9 mm (6.31 x 2.89 x 0.31 in)
Weight172 g (6.07 oz)
BuildGlass front (Gorilla Glass 5), plastic back, plastic frame
SIMDual SIM (Nano-SIM, dual stand-by)
Display for OPPO A91
TypeAMOLED, 430 nits (typ)
Size6.4 inches, 100.4 cm2 (~85.5% screen-to-body ratio)
Resolution1080 x 2400 pixels, 20:9 ratio (~408 ppi density)
ProtectionCorning Gorilla Glass 5
Platform
OSAndroid 9.0 (Pie), ColorOS 6.1
ChipsetMediatek MT6771V Helio P70 (12nm)
CPUOcta-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPUMali-G72 MP3
Memory
Card slotmicroSDXC (dedicated slot)
Internal128GB 4GB RAM, 128GB 8GB RAM
 UFS 2.1
Main Camera
Quad48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.3, 119˚ (ultrawide), 1/4.0", 1.12µm
2 MP B/W, f/2.4, 1/5.0", 1.75µm
2 MP, f/2.4, (depth)
FeaturesLED flash, HDR, panorama
Video1080p@30fps, gyro-EIS
Selfie camera
Single16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
FeaturesHDR
Video1080p@30fps
Sound
Loudspeaker Yes
3.5mm jack Yes
Comms
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth4.2, A2DP, LE
GPSYes, with A-GPS, GLONASS, BDS
NFCNo
RadioFM radio
USBUSB Type-C 2.0, USB On-The-Go
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
TypeLi-Po 4025 mAh, non-removable
ChargingFast charging 20W, 50% in 30 min (advertised)
VOOC 3.0
space
Key Specs
Display 6.78""
Battery 5200 mAh
Camera 8 MP
Storage 64GB Built-in
Network
Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 41, 40
Speed HSPA, LTE
Launch
Announced 2026, March 04
Status Available. Released 2026, March
Body
Dimensions 167.7 x 78.8 x 7.7 mm (6.60 x 3.10 x 0.30 in)
Weight -
Build Glass front, plastic back, plastic frame
SIM Nano-SIM + Nano-SIM
 IP64 dust tight and water resistant (water splashes)
Drop resistant up to 1.5m
Display for Infinix Smart 20
Type IPS LCD, 120Hz, 700 nits (HBM)
Size 6.78 inches, 109.5 cm2 (~82.9% screen-to-body ratio)
Resolution 720 x 1576 pixels, 19.5:9 ratio (~259 ppi density)
Platform
OS Android 16, XOS 16
Chipset Mediatek Helio G81 Ultimate (12 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
GPU Mali-G52 MC2
Memory
Card slot microSDXC (dedicated slot)
Internal 64GB 4GB RAM, 128GB 4GB RAM
 eMMC 5.1
Main Camera
Single 8 MP, f/2.0, (wide), 1/4.0", 1.12µm, AF
Features Dual-LED flash, panorama
Video 1440p@30fps, 1080p@30fps
Selfie camera
Single 8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Video 1440p@30fps, 1080p@30fps
Sound
Loudspeaker Yes
3.5mm jack Yes
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth Yes
Positioning GPS
NFC Yes
Infrared port Yes
Radio FM radio
USB USB Type-C 2.0, OTG
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass
Battery
Type 5200 mAh
Charging 15W wired
5W reverse wired