Oppo Find N2 vs Xiaomi Redmi K40S

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

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

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 66

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

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA

5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A (CA)

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass Victus) - folded, plastic front - unfolded, glass back (Gorilla Glass Victus) or eco leather back, aluminum frame

Glass front (Gorilla Glass 5), plastic back
SIM

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

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

132.2 mm

163.2 mm
Width

72.6 mm

76 mm
Thickness

14.6 mm

7.7 mm
Height unfolded

132.2 mm

-
Width unfolded

140.2 mm

-
Thickness unfolded

7.4 mm

-
Weight

233/237 g

195 g
Stylus

Yes

-
Splash resistant

-

Yes
Colors

Black, Green, White

Black, Blue, Gray, Green

Display
Display type

Foldable LTPO AMOLED

AMOLED
Physical size

7.1 inches

6.67 inches
Resolution

1792 x 1920 pixels

1080 x 2400 pixels
Pixel density

370 ppi

395 ppi
Display colors

16777216

16777216
Protection

-

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

120Hz, HDR10+, 1200 nits (HBM), 1550 nits (peak)

120Hz, HDR10+, 1300 nits (peak)
Cover display

AMOLED

-
Cover display physical size

5.54 inches

-
Cover display resolution

1080 x 2120 pixels

-

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 3.0 GHz Cortex-X2

Single-core 3.2 GHz Kryo 585
CPU(second)

Triple-core 2.75 GHz Cortex-A710

Triple-core 2.42 GHz Kryo 585
CPU(third)

Quad-core 2.0 GHz Cortex-A510

Quad-core 1.80 GHz Kryo 585
Chipset

Qualcomm SM8475 Snapdragon 8+ Gen 1

Qualcomm SM8250-AC Snapdragon 870 5G
GPU

Adreno 730

Adreno 650
Internal storage

256, 512 GB

128, 256 GB
Memory RAM

12, 16 GB

6, 8, 12 GB
Memory card

No

No
Storage

UFS 3.1

UFS 3.1

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 50 MP, f/1.8 , 84˚ , 24 mm, 1/1.56" , 1.0 µm

(wide) , 48 MP, f/1.8 , 1/2" , 0.8 µm
(telephoto) , 32 MP, f/2.0 , 47 mm, 1/2.74" , 0.8 µm, 2x optical zoom

(ultrawide) , 8 MP, 119˚
115˚ , (ultrawide) , 48 MP, f/2.2 , 14 mm, 1/2" , 0.8 µm

(macro) , 2 MP, f/2.4
Primary camera resolution

8192 x 6144 pixels

8000 x 6000 pixels
Primary camera video

4K@30/60fps, 1080p@30/60/240fps, gyro-EIS, HDR

4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS
Primary camera flash

dual-LED dual-tone flash

dual-LED dual-tone flash
Camera features

Autofocus, continuous autofocus, continuous shooting, 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, hasselblad pro mode, hasselblad XPAN mode

Autofocus, continuous shooting, digital zoom, optical 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
Cover camera

32 MP, 22 mm, f/2.4 , 0.8 µm, 1/3.14"

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 32 MP, f/2.4 , 22 mm, 1/3.14" , 0.8 µm

(wide) , 20 MP
Selfie camera resolution

6528 x 4896 pixels

-
Selfie camera features

Digital image stabilization, face detection, face unlock, HDR

Face unlock, HDR
Selfie camera video

1080p@30fps, gyro-EIS

1080p@30/120fps

Sound
3.5mm jack

No

No
Loudspeaker

Yes, with stereo speakers (Dolby support)

Yes, with stereo speakers
Earpiece

Yes

Yes

Connectivity
WLAN

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

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
WiFi Tri-Band

Yes

-
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.3

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

-
NFC

Yes, eSE, HCE, NFC-SIM

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes
NavIC

-

Yes

Features
Sensors

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

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

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4520 mAh

4500 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

VOOC, 67W (37% in 10 min, 100% in 42 min)

Quick Charge 3+, 67W (100% in 38 min)
Wireless reverse charging

Yes, 15W

-
Fast wireless charging

Yes, 10W

-