Xiaomi Redmi K40 Pro vs OnePlus 9 Pro

Phones Images
PHONES
Phone Names Xiaomi Redmi K40 Pro OnePlus 9 Pro
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 421, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - EU
5G bands1, 3, 28, 41, 77, 78 SA/NSA/Sub61, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78 SA/NSA - EU
SpeedHSPA, LTE, 5GHSPA 42.2/5.76 Mbps, LTE Cat20 2000/200 Mbps, 5G
TechnologyGSM / CDMA / HSPA / CDMA2000 / LTE / 5GGSM / CDMA / HSPA / LTE / 5G
 CDMA2000 1x 1, 3, 28, 41, 78, 79 SA/NSA - CN
Launch
Announced2021, February 252021, March 23
StatusAvailable. Released 2021, March 04Available. Released 2021, March 30
Body
Build-Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Dimensions163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in)163.2 x 73.6 x 8.7 mm (6.43 x 2.90 x 0.34 in)
SIMNano-SIM + Nano-SIM· Nano-SIM· Nano-SIM + Nano-SIM
Weight196 g (6.91 oz)197 g (6.95 oz)
 IP53, dust and splash resistantIP68 dust/water resistant (up to 1.5m for 30 min)
Display
ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 5
Resolution1080 x 2400 pixels, 20:9 ratio (~395 ppi density)1440 x 3216 pixels, 20:9 ratio (~525 ppi density)
Size6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio)6.7 inches, 108.4 cm2 (~90.3% screen-to-body ratio)
TypeSuper AMOLED, 120Hz, HDR10+, 1300 nits (peak)LTPO Fluid2 AMOLED, 1B colors, 120Hz, HDR10+, 1300 nits (peak)
 -Always-on display
Platform
CPUOcta-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55
ChipsetQualcomm SM8350 Snapdragon 888 5G (5 nm)Qualcomm SM8350 Snapdragon 888 5G (5 nm)
GPUAdreno 660Adreno 660
OSAndroid 11, MIUI 12Android 11, upgradable to Android 14, OxygenOS 14
Memory
Card slotNoNo
Internal128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
 UFS 3.1UFS 3.1
Main Camera
FeaturesColor spectrum sensor, LED flash, HDR, panoramaLaser AF, color spectrum sensor, Hasselblad Color Calibration, dual-LED flash, HDR, panorama
Quad-48 MP, f/1.8, 23mm (wide), 1/1.43", 1.12µm, multi-directional PDAF, OIS 8 MP, f/2.4, 77mm (telephoto), 1.0µm, PDAF, OIS, 3.3x optical zoom 50 MP, f/2.2, 14mm (ultrawide), 1/1.56", 1.0µm, AF 2 MP, f/2.4, (monochrome)
Single20 MP, f/2.5, (wide), 1/3.4", 0.8µm16 MP, f/2.4, (wide), 1/3.06", 1.0µm
Triple64 MP, f/1.9, 26mm (wide), 1/1.7", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide) 5 MP, f/2.4, 50mm (macro)-
Video8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS
Selfie camera
FeaturesHDRHDR
Single20 MP, f/2.5, (wide), 1/3.4", 0.8µm16 MP, f/2.4, (wide), 1/3.06", 1.0µm
Video1080p@30fps, 720p@120fps1080p@30fps, gyro-EIS
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
 24-bit/192kHz audio24-bit/192kHz audio
Comms
Bluetooth5.2, A2DP, LE, aptX HD, aptX Adaptive5.2, A2DP, LE, aptX HD
Infrared portYes-
NFCYesYes
PositioningGPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)GPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a)
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 3.1, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, DLNA
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometerFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging33W wired, PD3.0, QC3, 100% in 52 min65W wired, PD, 100% in 29 min 50W wireless, 100% in 43 min 5W reverse wireless
TypeLi-Po 4520 mAhLi-Po 4500 mAh
Misc
ColorsBlack, White, AuroraMorning Mist, Forest Green, Stellar Black
ModelsM2012K11CLE2121, LE2125, LE2123, LE2120, LE2127
PriceAbout 360 EUR€ 246.17 / $ 264.95 / £ 287.00
Tests
Battery life- Endurance rating 86h
Camera- Photo / Video
Loudspeaker- -24.1 LUFS (Very good)
OUR TESTS
Battery (old)-Endurance rating 86h
Camera-Photo / Video
Display-859 nits max brightness (measured)
Loudspeaker--24.1 LUFS (Very good)