Oppo K11x vs Xiaomi Redmi K40

Oppo K11x

Xiaomi Redmi K40

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1700(AWS), 2100

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

LTE frequency band 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42
5G network

5G band 1, 5, 8, 28, 41, 77, 78 SA/NSA

5G band 1, 3, 28, 41, 77, 78 SA/NSA/Sub6
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A, 750 Mbps download, 211 Mbps upload

LTE-A, 1174 Mbps download, 210 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Class 8

Design
Build

Glass front, plastic frame, plastic back

Glass, Metal
SIM

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

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

165.5 mm

163.7 mm
Width

76 mm

76.4 mm
Thickness

8.3 mm

7.8 mm
Weight

195 g

196 g
Colors

Black, Blue

Aurora, Black, White

Display
Display type

IPS LCD

Super AMOLED
Physical size

6.72 inches

6.67 inches
Resolution

1080 x 2400 pixels

1080 x 2400 pixels
Pixel density

392 ppi

395 ppi
Display colors

16777216

16777216
Protection

-

Scratch resistant, 3D curved glass screen, Corning Gorilla Glass 5
Display features

120Hz, 550 nits (typ), 680 nits (peak)

120Hz, HDR10+, 1300 nits (peak), sunscreen 3.0, night light screen

Hardware
CPU

Octa-core

Octa-core
CPU

Dual-core 2.2 GHz Kryo 660 Gold

Single-core 3.2 GHz Kryo 585
CPU(second)

Hexa-core 1.7 GHz Kryo 660 Silver

Triple-core 2.42 GHz Kryo 585
CPU(third)

Quad-core 1.80 GHz Kryo 585
Chipset

Qualcomm SM6375 Snapdragon 695 5G

Qualcomm SM8250-AC Snapdragon 870 5G
GPU

Adreno 619

Adreno 650
Memory RAM

8, 12 GB

6, 8, 12 GB
Internal storage

128, 256 GB

128, 256 GB
Memory card

microSD, microSDHC, microSDXC

No
Memory card max

1 TB

-
Storage

UFS 2.2

UFS 3.1

Main camera
Camera type

Dual

Triple
Main camera

(wide) , 108 MP, f/1.8 , 84˚ , 24 mm, 1/1.67" , 0.64 µm, 10x digital zoom

(wide) , 48 MP, f/1.8 , 26 mm, 1/2" , 0.8 µm
(depth) , 2 MP, f/2.4

(ultrawide) , 8 MP, f/2.2 , 119˚
(macro) , 5 MP, 50 mm, 1/5.0" , 1.12 µm
Primary camera resolution

12000 x 9000 pixels

8000 x 6000 pixels
Primary camera video

1080p@30fps

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

LED flash

LED flash
Camera features

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

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, phase detection autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 16 MP, f/2.4 , 82˚ , 1.0 µm

(wide) , 20 MP, 0.8 µm, 1/3.4"
Selfie camera resolution

4608 x 3456 pixels

5184 x 3880 pixels
Selfie camera features

-

Face unlock, HDR
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
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.1

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

-
Infrared

-

Yes
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes
NavIC

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, color spectrum, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

5000 mAh

4520 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

SuperVOOC, 67W (80% in 33 min)

Quick Charge 3.0 (100% in 52 min)

Oppo K11x comparisons