Xiaomi 12X vs Xiaomi Redmi K50

Phones Images
Xiaomi 12X Xiaomi Redmi K50
PHONES
Phone Names Xiaomi 12X Xiaomi Redmi K50
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 42, 48, 66 - International1, 2, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
5G bands1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA - International1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / CDMA / HSPA / CDMA2000 / LTE / 5G
 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA - ChinaCDMA2000 1x
Launch
Announced2021, December 282022, March 17
StatusAvailable. Released 2021, December 31Available. Released 2022, March 22
Body
Build-Glass front (Gorilla Glass Victus), glass back
Dimensions152.7 x 69.9 x 8.2 mm (6.01 x 2.75 x 0.32 in)163.1 x 76.2 x 8.5 mm (6.42 x 3.00 x 0.33 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight176 g (6.21 oz)201 g (7.09 oz)
 -IP53, dust and splash resistant
Display
ProtectionCorning Gorilla Glass VictusCorning Gorilla Glass Victus
Resolution1080 x 2400 pixels, 20:9 ratio (~419 ppi density)1440 x 3200 pixels, 20:9 ratio (~526 ppi density)
Size6.28 inches, 95.2 cm2 (~89.2% screen-to-body ratio)6.67 inches, 107.4 cm2 (~86.4% screen-to-body ratio)
TypeAMOLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 1100 nits (peak)OLED, 120Hz, Dolby Vision, HDR10+, 1200 nits (peak)
Platform
CPUOcta-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)Octa-core (4x2.85 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
ChipsetQualcomm SM8250-AC Snapdragon 870 5G (7 nm)Mediatek Dimensity 8100 (5 nm)
GPUAdreno 650Mali-G610
OSAndroid 11, MIUI 13Android 12, MIUI 13
Memory
Card slotNoNo
Internal128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
 UFS 3.1UFS 3.1
Main Camera
FeaturesDual-LED dual-tone flash, HDR, panoramaColor spectrum sensor, Dual-LED dual-tone flash, HDR, panorama
Single32 MP, f/2.5, 26mm (wide), 0.7µm20 MP, (wide)
Triple50 MP, f/1.9, 26mm (wide), 1/1.56", 1.0µm, PDAF, OIS 13 MP, f/2.4, 12mm, 123˚ (ultrawide), 1/3.06", 1.12µm 5 MP, f/2.4, 50mm (telephoto macro), AF48 MP, (wide), 1/2.0", 0.8µm, PDAF, OIS 8 MP, 119˚ (ultrawide) 2 MP (macro)
Video8K@24fps, 4K@30/60fps, 1080p@30/120/240/960fps, gyro-EIS4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS
Selfie camera
FeaturesHDR, panorama-
Single32 MP, f/2.5, 26mm (wide), 0.7µm20 MP, (wide)
Video1080p@30/60fps, 720p@120fps, HDR1080p@30/120fps
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
 24-bit/192kHz audio Tuned by Harman Kardon24-bit/192kHz audio
Comms
Bluetooth5.1 / 5.2, A2DP, LE5.3, A2DP, LE
Infrared portYesYes
NFCYes (market/region dependent)Yes
PositioningGPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, Wi-Fi 6 (market dependent), dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, proximity, gyro, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Charging67W wired, PD3.0, QC4, 100% in 39 min67W wired, PD3.0, QC3, 80% in 30 min
TypeLi-Po 4500 mAhLi-Po 5500 mAh
Misc
ColorsGray, Blue, PurpleBlack, Gray, Blue, Green
Models2112123AC, 2112123AG22041211AC
PriceAbout 180 EURAbout 480 EUR
SAR EU0.59 W/kg (head)     1.00 W/kg (body)-
Tests
Battery life Endurance rating 105h -
Camera Photo / Video-
Display Contrast ratio: Infinite (nominal)-
Loudspeaker -25.6 LUFS (Very good) -
Performance AnTuTu: 598003 (v8), 690298 (v9) GeekBench: 3168 (v5.1) GFXBench: 47fps (ES 3.1 onscreen)-
OUR TESTS
Battery (old)Endurance rating 105h-
CameraPhoto / Video-
DisplayContrast ratio: Infinite (nominal)-
Loudspeaker-25.6 LUFS (Very good)-
PerformanceAnTuTu: 598003 (v8), 690298 (v9) GeekBench: 3168 (v5.1) GFXBench: 47fps (ES 3.1 onscreen)-