OnePlus 9R
#489
Xiaomi Redmi K40S
#580Category Breakdown
OnePlus 9R
Xiaomi Redmi K40S
Performance
90.590.5
Camera
95.685.7
Display
91.993.2
Battery
30.630.6
Build
96.473.7
Connectivity
85.983.9
Audio
87.687.6
Overall
76.174.1
Summary
- The OnePlus 9R features a robust build with Gorilla Glass 5 on both the front and back, while the Xiaomi Redmi K40S has a similar glass front but a plastic back, making the OnePlus slightly more premium.
- Both devices sport a 120Hz AMOLED display, but the K40S offers higher peak brightness at 1300 nits.
- Performance-wise, both are equipped with the Snapdragon 870 chipset, ensuring similar processing capabilities, though the OnePlus offers more RAM options.
- In terms of camera, the OnePlus has a more versatile setup with an ultrawide and macro lens, while the K40S includes an 8 MP ultrawide and a 2 MP macro.
- Both have a 4500 mAh battery, with the K40S supporting slightly faster charging at 67W compared to the 65W of the OnePlus.
- Software experience differs, as the OnePlus runs OxygenOS based on Android 10, upgradable to Android 14, while the K40S operates on MIUI 13 based on Android 12.
Side-by-side Specification Comparison
OnePlus 9R
Xiaomi Redmi K40S
General
Release Date
2021, March 23
2022, March 17
Announced
2021, March 23
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
HDR Support
✓
✓
Protection
Corning Gorilla Glass 5
Corning Gorilla Glass 5
Performance
Chipset
Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
CPU
Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
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 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, 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)
Main Camera Features
Dual-LED flash, HDR, panorama
Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama
Front Camera
16 MP, f/2.4, (wide), 1/3.06", 1.0µm
20 MP, (wide)
Front Camera Features
HDR
N/A
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
Optical Stabilization
✓
✓
Night Mode
✗
✗
Raw Photo 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 & Safety
Dimensions
161 x 74.1 x 8.4 mm (6.34 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
189 g
195 g
Materials
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Glass front (Gorilla Glass 5), plastic back
Colors
Carbon Black, Lake Blue
Black, Gray, Blue, Green
Foldable
✗
✗
SAR
1.17 W/kg (head) 0.85 W/kg (body)
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE / 5G
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Network Speed
HSPA 42.2/5.76 Mbps, LTE (CA) Cat18 1200/200 Mbps, 5G
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)
Audio
Stereo Speakers
✓
✓
Loudspeaker
Yes, with stereo speakers
Yes, with stereo speakers
Audio Jack
No
No
Software & Security
Operating System
Android 10, upgradable to Android 14, OxygenOS 14
Android 12, MIUI 13
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass