Oppo A57s vs Xiaomi Redmi K30 Ultra

Oppo A57s

Xiaomi Redmi K30 Ultra

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
3G network

HSDPA 850, 900, 2100

HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41

LTE frequency band 1, 3, 5, 7, 8, 34, 38, 39, 40, 41
5G network

-

5G band 1, 3, 41, 78, 79; SA/NSA
HSDPA speed

42.2 Mbps

42 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE

LTE-A
5G speed

-

5G
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Panda Glass), plastic frame, plastic back

Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
SIM

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

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

163.8 mm

163.3 mm
Width

75 mm

75.4 mm
Thickness

8 mm

9.1 mm
Weight

187 g

213 g
Waterproof

IPX4

-
Dust proof

IP5X

-
Colors

Black, Blue

Black, Green, White

Display
Display type

IPS LCD

AMOLED capacitive touchscreen
Physical size

6.56 inches

6.67 inches
Resolution

720 x 1612 pixels

1080 x 2400 pixels
Pixel density

269 ppi

395 ppi
Display colors

16777216

16777216
Protection

-

2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 5
Display features

480 nits (typ), 600 nits (HBM)

HDR10+, 120Hz sampling rate, 500 nits typ. brightness

Main camera
Camera type

Dual

Quad
Main camera

(wide) , 50 MP, f/1.8 , 27 mm, 0.64 µm

64 MP, f/1.9 , 26 mm, 0.8 µm, 1/1.72"
(depth) , 2 MP, f/2.4

13 MP, f/2.4 , 1.12 µm
5 MP, f/2.2 , 50 mm
2 MP, f/2.4
Primary camera resolution

-

5184 x 3800 pixels
Primary camera video

1080p@30fps

4K@30fps, 1080p@30/60/120/240/960fps; gyro-EIS
Primary camera flash

LED flash

dual-LED dual-tone flash
Camera features

HDR, Panorama

Autofocus, continuous shooting, digital zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus, RAW, AI skyscaping

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 8 MP, f/2.0 , 26 mm

20 MP, f/2.24 , 27 mm, 1/3.4" , 0.8 µm
Selfie camera resolution

-

5184 x 3800 pixels
Selfie camera features

Panorama

-
Selfie camera video

1080p@30fps

1080p@30fps, 720p@120fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac

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

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.3

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
Infrared

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

-

Yes
BDS

Yes

-
QZSS

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity
Power bank function

-

Yes

Battery
Battery type

Li-Po

Li-Po
Battery capacity

5000 mAh

4500 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

SuperVOOC, 33W (100% in 69 min)

Qualcomm Quick Charge 4+(100% in 58 min)

Oppo A57s comparisons