Oppo Find N3 vs Xiaomi Redmi K40 Gaming

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 1x

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, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
5G network

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78, 79 SA/NSA

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

42.2 Mbps

42.2 Mbps
HSUPA speed

11.52 Mbps

5.76 Mbps
LTE speed

LTE-A (CA)

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Ceramic Guard) (folded), plastic front (unfolded), glass back or eco leather back, aluminum frame

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

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

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

153.4 mm

161.9 mm
Width

73.3 mm

76.9 mm
Thickness

11.7 mm

8.3 mm
Height unfolded

153.4 mm

-
Width unfolded

143.1 mm

-
Thickness unfolded

5.8 mm

-
Weight

239/245 g

205 g
Waterproof

IPX4

IP53
Dust proof

IPX4

IP53
Build features

-

Physical pop-up gaming triggers
Colors

Black, Gold, Green, Rose

Black, Gray, Silver, Yellow

Display
Display type

Foldable LTPO3 OLED

OLED
Physical size

7.82 inches

6.67 inches
Resolution

2268 x 2440 pixels

1080 x 2400 pixels
Pixel density

426 ppi

395 ppi
Display colors

1073741824

1073741824
Protection

-

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

Dolby Vision, 120Hz, 2800 nits (peak)

120Hz, HDR10+, 500 nits (typ)
Cover display

LTPO3 OLED

-
Cover display physical size

6.31 inches

-
Cover display resolution

1116 x 2484 pixels

-

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 3.2 GHz Cortex-X3

Single-core 3.0 GHz Cortex-A78
CPU(second)

dual-core 2.8 GHz Cortex-A715

Triple-core 2.6 GHz Cortex-A78
CPU(third)

Dual-core 2.8 GHz Cortex-A710

Quad-core 2.0 GHz Cortex-A55
CPU(fourth)

Triple-core 2.0 GHz Cortex-A510
Chipset

Qualcomm SM8550-AB Snapdragon 8 Gen 2

MediaTek MT6893 Dimensity 1200 5G
GPU

Adreno 740

Mali-G77 MC9
Memory RAM

12, 16 GB

6, 8, 12 GB
Internal storage

512, 1024 GB

128, 256 GB
Memory card

No

No
Storage

UFS 4.0

UFS 3.1

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 48 MP, f/1.7 , 24 mm, 1/1.43" , 1.12 µm

(wide) , 64 MP, f/1.7 , 26 mm, 1/2" , 0.7 µm
(telephoto) , 64 MP, f/2.6 , 70 mm, 1/2" , 0.7 µm, 3x optical zoom

(ultrawide) , 8 MP, f/2.2 , 120˚
114˚ , (ultrawide) , 48 MP, f/2.2 , 14 mm, 1/2" , 0.8 µm

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

8000 x 6000 pixels

9280 x 6920 pixels
Primary camera video

4K@30/60fps, 1080p@30/60/240fps gyro-EIS, HDR10+, Dolby Vision

4K@30fps, 1080p@30/60/120fps, 720p@960fps, HDR
Primary camera flash

LED flash

dual-LED 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, macro-mode, phase detection autofocus, Hasselblad pro mode, Hasselblad XPAN 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

(ultrawide) , 20 MP, f/2.2 , 20 mm, 1/4" , 0.7 µm

16 MP
Selfie camera resolution

6528 x 4896 pixels

4608 x 3456 pixels
Selfie camera features

Digital image stabilization, HDR, face unlock, face detection

Face unlock, HDR
Selfie camera video

4K@30fps, 1080p@30fps, gyro-EIS

1080p@30fps, 720p@120fps
Selfie cover camera

32 MP f/2.4 22 mm 1/4" 0.7 µm

Sound
3.5mm jack

No

No
Loudspeaker

Yes, with stereo speakers (Dolby Atmos enhanced)

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, 802.11be

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

-
Infrared

-

Yes
NFC

Yes

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

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

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4805 mAh

5065 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

SuperVOOC, 67W (35% in 10 min)

Quick Charge 3+ (100% in 42 min)
Reverse charging

Yes

-