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Oppo a91 vs Oppo a57 comparison

Oppo A91
Oppo A57
Network
Technology GSM/HSPA/LTE GSM/HSPA/LTE
2G bands SIM1 and SIM2 (GSM 850/900/1800/1900) SIM1 and SIM2 (GSM 850/900/1800/1900)
3G bands HSDMA 850/900/1700(AWS)/1900/2100 WCDMA 850/900/2100
4G bands 1,3,5,7,8,20,28,38,40,41 1,3,5,7,8,20,28,38,40,41
5G bands N/A N/A
Network Type Speed LTE, HSPA (42.2/5.76 Mbps) LTE, HSPA (42.2/5.76 Mbps)
Launch
Launch Date December 01, 2019 October 24, 2022
Status Discontinued Available
Body
Weight 172g 187g
Build Gorilla Glass 5 Front, Plastic (Back & Frame) Glass Front, Plastic (Back & Frame)
SIM Dual Sim (Nano-SIM) Dual Sim (Nano-SIM)
Display
Display AMOLED IPS LCD
Size 6.4 Inch 6.56 Inch
Resolution (1080x2400) Pixels (720x1612) Pixels
Platform
OS ColorOS 6.1.2 Based Android 9 ColorOS 12.1
CPU Octa-Core (4x2.0 GHz Cortex-A53 / 4x2.1 GHz Cortex-A73) Octa-Core (4x1.8 GHz Cortex-A53 / 4x2.3 GHz Cortex-A53)
GPU Mali-G72 MP3 PowerVR GE8320
Memory
Card slot MicroSDXC (Dedicated Slot) MicroSDXC (Dedicated Slot)
Main Camera
Features HDR, Professional Mode, Panorama, Portrait, Night Scene, Time-Lapse, Slow Motion, Geo-Tagging, and Phase Detection Night, Portrait, Time-Lapse, PRO, Pano, and Sticker, LED Flash, Geo-Tagging, Face Detection, Panorama, and HDR
Video 4K Video Recording (30fps)
1080p Video Recording (30/60fps)
720p Video Recording (30/60fps)
1080p Slow-Motion Video Recording (120fps)
1080p Video Recording (30/60fps)
720p Video Recording (30fps)
Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
Comms
WLAN Wi-Fi 802.11 (a/b/g/n/ac), Dual-Band, Wi-Fi Direct, and Hotspot Wi-Fi 802.11 (a/b/g/n/ac), Dual-Band, Wi-Fi Direct, and Hotspot
Bluetooth Bluetooth v4.2 Bluetooth v5.3
GPS GPS; supports A-GPS, Beidou, and Glonass GPS, GLONASS, Galileo, BDS, and QZSS
NFC N/A N/A
RADIO FM Radio Unspecified
USB USB Type-C 2.0 USB Type-C 2.0
Features
Sensors Fingerprint / Accelerometer / Electronic Compass / Gyroscope / Ambient Light Sensor / Proximity Sensor / Sensor Core / Face Unlock Fingerprint / Face Unlock / Gravity Sensor / Accelerometer / Geomagnetic Sensor / Light Sensor / Proximity Sensor
Battery
Type Li-Po 4025 mAh (Non-Removable) Li-Po 5000 mAh (Non-Removable)
Charging Fast Battery Charging 20W Fast Charging 33W
Misc
Colors Lightening Black, Unicorn White, Blazing Blue, and Red Glowing Black, Glowing Green, and Glowing Gold
Model CPH2001, CPH2021 CPH2387
Price 39,999 49,999
Brand Oppo Oppo
Model Oppo A91 Oppo A57
Oppo A91
Oppo A57
Network
Technology
2G bands
SIM1 and SIM2 (GSM 850/900/1800/1900) SIM1 and SIM2 (GSM 850/900/1800/1900)
3G bands
HSDMA 850/900/1700(AWS)/1900/2100 WCDMA 850/900/2100
4G bands
1,3,5,7,8,20,28,38,40,41 1,3,5,7,8,20,28,38,40,41
5G bands
N/A N/A
Network Type Speed
LTE, HSPA (42.2/5.76 Mbps) LTE, HSPA (42.2/5.76 Mbps)
Launch
Launch Date
December 01, 2019 October 24, 2022
Status
Discontinued Available
Body
Weight
172g 187g
SIM
Dual Sim (Nano-SIM) Dual Sim (Nano-SIM)
Display
Display
AMOLED IPS LCD
Size
6.4 Inch 6.56 Inch
Resolution
(1080x2400) Pixels (720x1612) Pixels
Platform
OS
ColorOS 6.1.2 Based Android 9 ColorOS 12.1
Chipset
Mediatek MT6771V (Helio P70) 12nm MediaTek (Helio G35) 12nm
CPU
Octa-Core (4x2.0 GHz Cortex-A53 / 4x2.1 GHz Cortex-A73) Octa-Core (4x1.8 GHz Cortex-A53 / 4x2.3 GHz Cortex-A53)
GPU
Mali-G72 MP3 PowerVR GE8320
Memory
Card slot
MicroSDXC (Dedicated Slot) MicroSDXC (Dedicated Slot)
Internal
128GB 4GB RAM
128GB 8GB RAM
64GB 4GB RAM
Main Camera
Features
HDR, Professional Mode, Panorama, Portrait, Night Scene, Time-Lapse, Slow Motion, Geo-Tagging, and Phase Detection Night, Portrait, Time-Lapse, PRO, Pano, and Sticker, LED Flash, Geo-Tagging, Face Detection, Panorama, and HDR
Video
4K Video Recording (30fps)
1080p Video Recording (30/60fps)
720p Video Recording (30/60fps)
1080p Slow-Motion Video Recording (120fps)
1080p Video Recording (30/60fps)
720p Video Recording (30fps)
Selfie Camera
Front Camera
16MP (F/2.0 Aperture) Wide 8MP (F/2.0 Aperture) Wide
Video
4K Video Recording (30fps)
1080p Video Recording (30/60fps)
720p Video Recording (30/60fps)
1080p Slow-Motion Video Recording (120fps)
1080p Video Recording (30/60fps)
720p Video Recording (30fps)
Sound
Loudspeaker
Yes Yes
3.5mm jack
Yes Yes
Comms
WLAN
Wi-Fi 802.11 (a/b/g/n/ac), Dual-Band, Wi-Fi Direct, and Hotspot Wi-Fi 802.11 (a/b/g/n/ac), Dual-Band, Wi-Fi Direct, and Hotspot
WLAN
Wi-Fi 802.11 (a/b/g/n/ac), Dual-Band, Wi-Fi Direct, and Hotspot Wi-Fi 802.11 (a/b/g/n/ac), Dual-Band, Wi-Fi Direct, and Hotspot
Bluetooth
Bluetooth v4.2 Bluetooth v5.3
GPS
GPS; supports A-GPS, Beidou, and Glonass GPS, GLONASS, Galileo, BDS, and QZSS
NFC
N/A N/A
RADIO
FM Radio Unspecified
USB
USB Type-C 2.0 USB Type-C 2.0
Features
Sensors
Fingerprint / Accelerometer / Electronic Compass / Gyroscope / Ambient Light Sensor / Proximity Sensor / Sensor Core / Face Unlock Fingerprint / Face Unlock / Gravity Sensor / Accelerometer / Geomagnetic Sensor / Light Sensor / Proximity Sensor
Battery
Type
Li-Po 4025 mAh (Non-Removable) Li-Po 5000 mAh (Non-Removable)
Charging
Fast Battery Charging 20W Fast Charging 33W
Misc
Colors
Lightening Black, Unicorn White, Blazing Blue, and Red Glowing Black, Glowing Green, and Glowing Gold
Model
CPH2001, CPH2021 CPH2387
Price
39999 49999
Brand
Oppo Oppo
Model
Oppo A91 Oppo A57

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