Xiaomi Redmi K50i vs vivo iQOO Z7

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PHONES
Phone Names Xiaomi Redmi K50i vivo iQOO Z7
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 411, 3, 5, 8, 38, 40, 41
5G bands1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA1, 3, 8, 28, 77, 78 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / HSPA / LTE / 5GGSM / HSPA / LTE / 5G
Launch
Announced2022, July 202023, March 17
StatusAvailable. Released 2022, July 23Available. Released 2023, March 21
Body
Dimensions163.6 x 74.3 x 8.9 mm (6.44 x 2.93 x 0.35 in)158.9 x 73.5 x 7.8 mm (6.26 x 2.89 x 0.31 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight200 g (7.05 oz)173 g (6.10 oz)
 -IP54, dust and water resistant
Display
ProtectionCorning Gorilla Glass 5Schott Xensation glass
Resolution1080 x 2460 pixels (~407 ppi density)1080 x 2400 pixels, 20:9 ratio (~413 ppi density)
Size6.6 inches, 103.4 cm2 (~85.1% screen-to-body ratio)6.38 inches, 98.3 cm2 (~84.1% screen-to-body ratio)
TypeFFS LCD, 144Hz, HDR10, Dolby Vision, 500 nits (typ), 650 nits (HBM)AMOLED, 90Hz, HDR10+, 1300 nits (peak)
Platform
CPUOcta-core (4x2.85 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)Octa-core (2x2.5 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
ChipsetMediatek Dimensity 8100 (5 nm)Mediatek Dimensity 920 (6 nm)
GPUMali-G610 MC6Mali-G68 MC4
OSAndroid 12, upgradable to Android 13, MIUI 14Android 13, upgradable to Android 14, Funtouch 14
Memory
Card slotNomicroSDXC (uses shared SIM slot)
Internal128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM128GB 6GB RAM, 128GB 8GB RAM
 -UFS 2.2
Main Camera
Dual-64 MP, (wide), 1/1.97", 0.7µm, PDAF, OIS Auxiliary lens
FeaturesColor spectrum sensor, LED flash, HDR, panoramaLED flash, HDR, panorama
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@30fps, 1080p@30fps
Selfie camera
Single16 MP, f/2.5, (wide)16 MP, f/2.0, (wide)
Video1080p@30fps1080p@30fps
Sound
3.5mm jack -Yes
35mm jackYesYes
Loudspeaker Yes, with stereo speakersYes
Comms
Bluetooth5.3, A2DP, LE5.2, A2DP, LE
Infrared portYes-
NFCNoNo
PositioningGPS (L1), GLONASS (L1), BDS (B1I+B1c), GALILEO (E1), QZSS (L1)GPS, GLONASS, GALILEO, BDS, QZSS
RadioNoUnspecified
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/6, 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 min44W wired, 50% in 25 min
TypeLi-Po 5080 mAh4500 mAh
Misc
ColorsPhantom Blue, Stealth Black, Quick SilverNorway Blue, Pacific Night
Models22041216II2207
PriceAbout 320 EURAbout 200 EUR
SAR-1.15 W/kg (head)     0.84 W/kg (body)