Product
Oppo K12x (China)
Oppo K12x (China)
Infinix Note 50x
Infinix Note 50x
Battery
Charging 80W wired, PD3.0, 100% in 50 min 45W wired 10W reverse wired Bypass Charging
Type 5500 mAh 5500 mAh
Body
Build Glass front, plastic frame, plastic back -
Dimensions 162.9 x 75.6 x 8.1 mm (6.41 x 2.98 x 0.32 in) 165.4 x 76.4 x 8.0 mm or 8.2 mm
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 191 g (6.74 oz) 195.4 g or 198.9 g (6.88 oz)
  - IP64 dust tight and water resistant (water splashes) RGB notification light (on the back) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
Comms
Bluetooth Yes 5.4, A2DP, LE
Infrared port - Yes
NFC No No
Positioning GPS, GALILEO, GLONASS, BDS, QZSS GPS
Radio No FM radio
USB USB Type-C 2.0 USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Display
Resolution 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) 720 x 1600 pixels, 20:9 ratio (~263 ppi density)
Size 6.67 inches, 107.4 cm2 (~87.2% screen-to-body ratio) 6.67 inches, 107.4 cm2 (~85.0% screen-to-body ratio)
Type OLED, 120Hz, 600 nits (typ), 1200 nits (HBM), 2100 nits (peak) IPS LCD, 120Hz, 560 nits (typ)
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2024, March 14 2025, March 27
Status Available. Released 2024, May 20 Available. Released 2025, April
Main Camera
Dual 50 MP, f/1.8, (wide), 1/2.76", PDAF 2 MP, f/2.4, (depth) -
Features LED flash, HDR, panorama Dual-LED flash, HDR, panorama
Single - 50 MP, f/1.6, (wide), PDAF
Video 1080p@30fps, gyro-EIS 4K@30fps, 1080p@30/120/240fps
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)
Internal 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM 128GB 6GB RAM, 128GB 8GB RAM
  UFS 2.2 UFS 2.2
Misc
Colors Gray, Light Green Titanium Gray, Enchanted Purple, Sea Breeze Green, Sunset Spice Pink
Models PJT110 X6857B
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41, 42, 66
5G bands 1, 5, 8, 28, 41, 77, 78 SA/NSA 1, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 71, 77, 78 SA/NSA
Speed HSPA, LTE, 5G HSPA, LTE, 5G
Technology GSM / CDMA / HSPA / LTE / 5G GSM / HSPA / LTE / 5G
  CDMA 800 -
Platform
Chipset Qualcomm SM6375 Snapdragon 695 5G (6 nm) Mediatek Dimensity 7300 Ultimate (4 nm)
CPU Octa-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver) Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Adreno 619 Mali-G615 MC2
OS Android 14, ColorOS 14 Android 15, up to 2 major Android upgrades, XOS 15
Selfie camera
Features Panorama -
Single 16 MP, f/2.4, (wide) 8 MP, f/2.0, (wide)
Video 1080p@30fps 1440p@30fps, 1080p@30fps
Sound
3.5mm jack Yes No
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers
  - 24-bit/192kHz Hi-Res audio