Oppo A31 vs Oppo A91

Oppo A31

Oppo A31

February, 2020


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Oppo A91

Oppo A91

December, 2019


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Oppo A31 vs Oppo A91


Oppo A31 Oppo A91
Price
EUR: €180 EUR: €260
USD: $204 USD: $294
PKR: Rs.29,999 PKR: Rs.41,244
INR: Rs.14,400 INR: Rs.20,800
Body
Form Factor
Candybar, TouchscreenCandybar, Touchscreen
Dimensions
163.9 x 75.5 x 8.3 mm (6.45 x 2.97 x 0.33 in)160.2 x 73.3 x 7.9 mm (6.31 x 2.89 x 0.31 in)
Weight
180 g (6.35 oz)172 g (6.07 oz)
Build
Glass front (Gorilla Glass 3), plastic back, plastic frameGlass front (Gorilla Glass 5), plastic back, plastic frame
Colors
Fantasy White, Mystery Black, Lake GreenLightening Black, Unicorn White, Blazing Blue, Red
SIM
Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
Models
CPH2015, CPH2073, CPH2081, CPH2029, CPH2031PCPM00, CPH2001, CPH2021
Display
Type
IPS LCD, 480 nits (typ)AMOLED, 430 nits (typ)
Size
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
6.5 inches, 102.0 cm2 (~82.4% screen-to-body ratio)
1080 x 2400 pixels, 20:9 ratio (~408 ppi density)
6.4 inches, 100.4 cm2 (~85.5% screen-to-body ratio)
Protection
Corning Gorilla Glass 3Corning Gorilla Glass 5
Brightness
480 nits typ. brightness (advertised)430 nits typ. brightness (advertised)
Network
2G Network
GSM 850 / 900 / 1800 / 1900 SIM 1 & SIM 2GSM 850 / 900 / 1800 / 1900 SIM 1 & SIM 2
CDMA 800 & TD-SCDMA
3G Network
HSDPA 850 / 900 / 2100 International
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 USA
HSDPA 850 / 1700(AWS) / 1900 / 2100 International
HSDPA 850 / 900 / 2100 Southeast Asia
4G Network
1, 3, 5, 7, 8, 20, 28, 38, 40, 41 International
1, 3, 5, 7, 8, 38, 40, 41 Asia
1, 3, 5, 7, 8, 20, 28, 38, 40, 41 International
1, 3, 4, 5, 8, 34, 38, 39, 40, 41 China
Notifications
Speaker Phone
YesYes
Memory
Internal
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM128GB 4GB RAM, 128GB 8GB RAM
Card Slot
microSDXC (dedicated slot)microSDXC (dedicated slot)
Storage Type
eMMC 5.1UFS 2.1
Connectivity
Speed
HSPA 42.2/5.76 Mbps, LTE-AHSPA 42.2/11.5 Mbps, LTE-A
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspotWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth
5.0, A2DP, LE4.2, A2DP, LE
USB
microUSB 2.0, USB On-The-GoUSB Type-C 2.0, USB On-The-Go
GPS
Yes, with A-GPS, GLONASS, BDSYes, with A-GPS, GLONASS, BDS
Camera
Main Camera
Primary: 12 MP, f/1.8, (wide), 1/2.86", 1.25µm, PDAF
Secondary: 2 MP, f/2.4, (macro)
Third: 2 MP, f/2.4, (depth)
Primary: 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
Secondary: 8 MP, f/2.3, 119˚, (ultrawide), 1/4.0", 1.12µm
Third: 2 MP B/W, f/2.4, 1/5.0", 1.75µm
Forth: 2 MP, f/2.4, (depth)
Camera Features
LED flash, HDR, panoramaLED flash, HDR, panorama
Video
1080p@30fps1080p@30fps, gyro-EIS
Selfie Camera
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Features: HDR
Video: 1080p@30fps
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
Features: HDR
Video: 1080p@30fps
Multimedia
Radio
FM radioFM radio
Software
Operating System (OS)
Android OS, v9.0 (Pie)Android OS, v9.0 (Pie)
UI
ColorOS 6.1ColorOS 6.1
Organizer
YesYes
Hardware
Chipset
Mediatek MT6765V/CB Helio P35 (12nm)Mediatek MT6771V Helio P70 (12nm)
CPU
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU
PowerVR GE8320Mali-G72 MP3
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Side / Additional Keys
Volume keys, Power/Lock keyVolume keys, Power/Lock key
Audio Jack
3.5 mm3.5 mm
Battery
Battery Type
Li-Po 4230 mAh, non-removableLi-Po 4025 mAh, non-removable
Charging
Fast charging 20W, 50% in 30 min (advertised)
VOOC 3.0
Additional Features
Features
LED flash, HDR, panoramaLED flash, HDR, panorama

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