Xiaomi Redmi K50i vs vivo iQOO 9 SE

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PHONES
Phone Names Xiaomi Redmi K50i vivo iQOO 9 SE
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 411, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41
5G bands1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA1, 3, 5, 8, 28, 41, 77, 78 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / HSPA / LTE / 5GGSM / HSPA / LTE / 5G
Launch
Announced2022, July 202022, February 23
StatusAvailable. Released 2022, July 23Available. Released 2022, March 02
Body
Dimensions163.6 x 74.3 x 8.9 mm (6.44 x 2.93 x 0.35 in)163.2 x 76.4 x 8.4 mm (6.43 x 3.01 x 0.33 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight200 g (7.05 oz)199 g (7.02 oz)
 -Splash and dust resistant
Display
ProtectionCorning Gorilla Glass 5Panda Glass
Resolution1080 x 2460 pixels (~407 ppi density)1080 x 2400 pixels, 20:9 ratio (~398 ppi density)
Size6.6 inches, 103.4 cm2 (~85.1% screen-to-body ratio)6.62 inches, 105.8 cm2 (~84.9% screen-to-body ratio)
TypeFFS LCD, 144Hz, HDR10, Dolby Vision, 500 nits (typ), 650 nits (HBM)Super AMOLED, 120Hz, HDR10+, 1200 nits (peak)
Platform
CPUOcta-core (4x2.85 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
ChipsetMediatek Dimensity 8100 (5 nm)Qualcomm SM8350 Snapdragon 888 5G (5 nm)
GPUMali-G610 MC6Adreno 660
OSAndroid 12, upgradable to Android 13, MIUI 14Android 12, Funtouch 12
Memory
Card slotNoNo
Internal128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM128GB 8GB RAM, 256GB 12GB RAM
 -UFS 3.1
Main Camera
Dual-48 MP, f/1.8, 25mm (wide), 1/2.0", 0.8µm, PDAF, OIS 13 MP, f/2.2, 16mm, 120˚ (ultrawide), 1/3.1", 1.12µm, AF Auxiliary lens
FeaturesColor spectrum sensor, LED flash, HDR, panoramaDual-LED dual-tone flash, HDR, panorama
Single-16 MP, f/2.0, (wide), 1/3.0", 1.0µm
Triple64 MP, f/1.9, (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 120˚, (ultrawide) 2 MP (macro)-
Video4K@30fps, 1080p@30/60fps4K@24/30/60fps, 1080p@30/60fps
Selfie camera
Features-HDR
Single16 MP, f/2.5, (wide)16 MP, f/2.0, (wide), 1/3.0", 1.0µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack -No
35mm jackYesNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.3, A2DP, LE5.2, A2DP, LE
Infrared portYes-
NFCNoYes
PositioningGPS (L1), GLONASS (L1), BDS (B1I+B1c), GALILEO (E1), QZSS (L1)GPS, GLONASS, GALILEO, BDS
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted), accelerometer, proximity, gyro, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging67W wired, 50% in 15 min, 100% in 46 min66W wired, 50% in 14 min, 100% in 39 min
TypeLi-Po 5080 mAh4500 mAh
Misc
ColorsPhantom Blue, Stealth Black, Quick SilverSpace Fusion, Sunset Sierra
Models22041216I-
PriceAbout 320 EURAbout 400 EUR
Tests
Battery life- Endurance rating 87h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal)
Loudspeaker- -26.1 LUFS (Good)
Performance- AnTuTu: 727771 (v8), 846231 (v9) GeekBench: 3442 (v5.1) GFXBench: 64fps (ES 3.1 onscreen)
OUR TESTS
Battery (old)-Endurance rating 87h
Camera-Photo / Video
Display-863 nits max brightness (measured)
Loudspeaker--26.1 LUFS (Good)
Performance-AnTuTu: 727771 (v8), 846231 (v9) GeekBench: 3442 (v5.1) GFXBench: 64fps (ES 3.1 onscreen)