Home/OnePlus/OnePlus 8T vs Xiaomi Redmi K40S
OnePlus 8T

OnePlus 8T

#689
Xiaomi Redmi K40S

Xiaomi Redmi K40S

#693

Category Breakdown

OnePlus 8T
Xiaomi Redmi K40S
Performance
70.870.8
Camera
52.452.4
Display
88.588.5
Battery
60.060.0
Build
77.877.8
Overall
68.868.8

Summary

  • The OnePlus 8T features a premium build with Gorilla Glass 5 on both the front and back, while the Xiaomi Redmi K40S has a similar glass front but uses a plastic back, making the OnePlus feel more upscale.
  • Both devices have a 120Hz AMOLED display, but the K40S offers a higher peak brightness of 1300 nits.
  • In terms of performance, the OnePlus 8T is powered by the Snapdragon 865, while the K40S uses the slightly newer Snapdragon 870, providing marginally better efficiency.
  • Camera-wise, both phones have a 48 MP main sensor with OIS, but the K40S has a higher resolution selfie camera at 20 MP compared to the 16 MP on the 8T.
  • Both models are equipped with a 4500 mAh battery, with the K40S supporting slightly faster charging at 67W versus the 65W of the 8T.
  • The OnePlus runs on OxygenOS based on Android 11, upgradable to Android 14, while the K40S operates on MIUI 13 based on Android 12, offering different software experiences.

Side-by-side Specification Comparison

OnePlus 8T
Xiaomi Redmi K40S

General

Release Date

2020, October 14
2022, March 17

Announced

2020, October 14
2022, March 17

Description

N/A
N/A

Display

Size

6.55"
6.67"

Type

Fluid AMOLED, 120Hz, HDR10+
AMOLED, 120Hz, HDR10+, 1300 nits (peak)

Resolution

1080 x 2400 pixels, 20:9 ratio (~402 ppi density)
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)

PPI

1080
1080

Refresh Rate

120Hz
120Hz

Peak Brightness

N/A
N/A

HDR Support

Protection

Corning Gorilla Glass 5
Corning Gorilla Glass 5

Performance

Chipset

Qualcomm SM8250 Snapdragon 865 5G (7 nm+)
Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)

CPU

Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55)
Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)

GPU

Adreno 650
Adreno 650

Memory

128GB 8GB RAM, 256GB 12GB RAM
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM

Expandable Storage

Card Slot

No
No

Camera

Main Camera

48 MP
48 MP

Main Camera Details

48 MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF, OIS16 MP, f/2.2, 14mm, 123˚ (ultrawide), 1/3.6", 1.0µm5 MP, f/2.4, (macro)2 MP, f/2.4, (monochrome)
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF, OIS8 MP, 119˚ (ultrawide)2 MP, f/2.4, (macro)

Front Camera

16 MP
20 MP

Front Camera Details

16 MP, f/2.4, (wide), 1/3.06", 1.0µm
20 MP, (wide)

Video Recording

4K@30/60fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS
4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS

Selfie Video

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

OIS

Night Mode

RAW Support

Battery

Capacity

4500 mAh
4500 mAh

Battery Details

Li-Po 4500 mAh
Li-Po 4500 mAh

Charging Details

65W wired, 100% in 39 min
67W wired, PD3.0, QC3, 100% in 38 min

Fast Charging

Wireless Charging

Build & Design

Dimensions

160.7 x 74.1 x 8.4 mm (6.33 x 2.92 x 0.33 in)
163.2 x 76 x 7.7 mm (6.43 x 2.99 x 0.30 in)

Weight

188 g
195 g

Materials

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

Water Resistance

N/A
N/A

Colors

Aquamarine Green, Lunar Silver, Cyberpunk 2077 Edition
Black, Gray, Blue, Green

Foldable

Connectivity

SIM

Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM

Network

GSM / CDMA / HSPA / LTE / 5G
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G

Network Speed

HSPA 42.2/5.76 Mbps, LTE (5CA) Cat18 1200/200 Mbps, 5G 7.5 Gbps DL
HSPA, LTE, 5G

5G

4G

WiFi

Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, DLNA
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct

Bluetooth

5.1, A2DP, LE, aptX HD
5.2, A2DP, LE

NFC

USB

USB Type-C 3.1, OTG
USB Type-C 2.0, OTG

IR Blaster

Headphone Jack

Radio

Positioning

GPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a)
GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)

Software

Operating System

Android 11, upgradable to Android 14, OxygenOS 14
Android 12, MIUI 13

OS Version

Android 11, upgradable to Android 14, OxygenOS 14
Android 12, MIUI 13

Security

Fingerprint

Face Unlock

Sensors

Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, barometer (market dependant)
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass

Audio

Stereo Speakers

Loudspeaker

Yes, with stereo speakers
Yes, with stereo speakers

Audio Jack

No
No