Xiaomi Mi 9T vs Oppo A91

General Info

Manufacturer
Xiaomi	Oppo
Announced
June 2019	2019, December
Status
Coming Soon - June 2019	Coming soon. Exp. release 2019, December 26
Colors
Carbon black, Red flame, Glacier blue	Black, Blue, Red
Form Factor
Candybar	Candybar
Dimension
156.7 x 74.3 x 8.8 mm (6.17 x 2.93 x 0.35 in)	7.9 mm thickness (0.31 in thickness)
Weight
191 g (6.74 oz)	172 g (6.07 oz)
SIM Type
Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)
2G Network
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA
3G Network
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 1700(AWS) / 1900 / 2100
4G Network
LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300)	LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
Messaging

Build Features
- Fingerprint Sensor(In-display)	- Fingerprint Sensor(In-display)

OS
Android 9.0 (Pie)	Android 9.0 (Pie)
User Interface
MIUI 10	ColorOS 6.1
Processor
Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm) [Similar]	Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53), Mediatek MT6771V Helio P70 (12nm) [Similar]
GPU
Adreno 618 [Similar]	Mali-G72 MP3 [Similar]
RAM
6 GB [Browse Similar]	8 GB [Browse Similar]
Internal Memory
64/128 GB	128 GB
External Memory
No	microSD, up to 256 GB (dedicated slot)

Type
AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5	Super AMOLED Capacitive Touchscreen
Colors
16M colors	16M colors
Size
6.39 inches [Similar]	6.4 inches [Similar]
Resolution
1080 x 2340 pixels (403 ppi)	1080 x 2340 pixels (403 ppi)
Screen-to-Body Ratio
86.23%	-
Multi-Touch

Rear Camera
48 MP + 8 MP + 13 MP [Similar]	48 MP + 8 MP + 2 MP + 2 MP [Similar]
Flash
Dual-LED Flash	LED flash
Features
48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF 8 MP, f/2.4, 53mm (telephoto), 1/4", 1.12µm, PDAF, 2x optical zoom 13 MP, f/2.4, 12mm (ultrawide), 1/3", 1.12µm HDR, Panorama	48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, 1/5", 1.75µm (dedicated macro camera) 2 MP, f/2.4, 1/5", 1.75µm, depth sensor HDR
Video
2160p@30fps, 1080p@30/120/240fps, 1080p@960fps	2160p@30fps
Front Camera
Motorized pop-up 20 MP, f/2.2, 0.8µm, HDR, 1080p@30fps [Similar]	16 MP, f/2.0, 26mm (wide), 1/3.1", 1.0µm HDR 1080p@30fps [Similar]

GPRS
Yes	Yes
Edge
Yes	Yes
3G
HSPA 42.2/5.76 Mbps, LTE-A	HSPA 42.2/11.5 Mbps, LTE-A
Bluetooth
5.0, A2DP, LE, aptX HD	5.0, A2DP, LE, aptX HD
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB
2.0, Type-C 1.0 reversible connector, USB On-The-Go	2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS	Yes, with A-GPS
Browser
Yes	Yes

Internal
64/128 GB, 6 GB RAM	128 GB, 8 GB RAM
Expandable Storage
No	microSD, up to 256 GB (dedicated slot)
USB OTG
Supported	Supported

Fingerprint

Proximity Sensor

Accelerometer Sensor

Magnetic-field Sensor (Compass)

Gyroscope Sensor

NFC

Type
Non-removable Li-Po Battery Fast battery charging 18W	Non-removable Li-Po Battery Fast battery charging 30W
Capacity
4000 mAh	4000 mAh
Stand by
-	-
Talk Time
-	-