Oppo A1k vs Xiaomi Mi 11 Ultra

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800
3G network

WCDMA 850, 900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 28(700), 38(2600), 40(2300), 41(2500)

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 38, 40, 41, 42, 66 - global; 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 - China
5G network

-

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA - global; 1, 3, 28, 41, 77, 78, 79 SA/NSA - China
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

LTE Cat 4, 150.8 Mbps download, 51 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic body

Glass front (Gorilla Glass Victus), ceramic back, aluminum frame
SIM

Dual SIM (Nano-SIM, dual SIM stand-by)

Dual SIM (Nano-SIM, dual stand-by)
Height

154.5 mm

164.3 mm
Width

73.8 mm

74.6 mm
Thickness

8.4 mm

8.4 mm
Weight

170 g

234 g
Waterproof

-

IP68
Dust proof

-

IP68
Colors

Black, Red

Black, White

Display
Display type

IPS capacitive touchscreen

AMOLED
Physical size

6.1 inches

6.81 inches
Resolution

720 x 1560 pixels

1440 x 3200 pixels
Pixel density

282 ppi

515 ppi
Display colors

16777216

1073741824
Protection

2.5D curved glass screen, scratch resistant, Corning Gorilla Glass 3

Scratch resistant, 3D curved glass screen, Corning Gorilla Glass Victus
Multitouch

Yes

-
Display features

-

120Hz, HDR10+, Dolby Vision, 900 nits, 1700 nits (peak)

Main camera
Camera type

Single

Triple
Main camera

8 MP, f/2.2 , 1/3.2" , 1.4 µm

50 MP, f/2.0 , 1/1.12" , 1.4 µm, (wide) , 24 mm
(periscope telephoto) , 48 MP, f/4.1 , 120 mm, 1/2.0" , 0.8 µm, 5x optical zoom
128˚ , (ultrawide) , 48 MP, f/2.2 , 12 mm, 1/2.0" , 0.8 µm
Primary camera resolution

3264 x 2448 pixels

8160 x 6144 pixels
Primary camera video

1080p@30fps

8K@24fps, 4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR10+ rec.
Primary camera flash

LED flash

dual-LED flash
Camera features

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection

Autofocus, continuous autofocus, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, face unlock, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, laser autofocus, AI 2.0, night mode 2.0, stagger HDR
DxOMark photo

-

148
DxOMark zoom

-

100
DxOMark video

-

117
DxOMark camera score

-

143

Selfie camera
Selfie camera type

-

Single
Selfie camera

5 MP, f/2 , 1/5" , 1.12 µm

20 MP, f/2.2 , 1/3.4" , 0.8 µm, (wide) , 27 mm
Selfie camera resolution

2560 x 1920 pixels

5184 x 3880 pixels
Selfie camera features

-

Face unlock, HDR
Selfie camera video

720p@30fps

1080p@30/60fps, 720p@120fps, gyro-EIS

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

-

Yes
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v4.2

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Bluetooth AptX

-

aptX HD
Infrared

-

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with tri-band A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
Beidou

Yes

-
BDS

-

Yes
QZSS

-

Yes
NavIC

-

Yes