Product
Oppo K12x (China)
Oppo K12x (China)
Realme 12x (India)
Realme 12x (India)
Battery
Charging 80W wired, PD3.0, 100% in 50 min 45W wired, 50% in 30 min
Type 5500 mAh 5000 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) 165.6 x 76.1 x 7.7 mm (6.52 x 3.00 x 0.30 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 191 g (6.74 oz) 188 g (6.63 oz)
  - IP54 dust protected and water resistant (water splashes)
Comms
Bluetooth Yes 5.3, A2DP, LE, aptX HD, LHDC
NFC No No
Positioning GPS, GALILEO, GLONASS, BDS, QZSS GPS, GLONASS, GALILEO, BDS, QZSS
Radio No Unspecified
USB USB Type-C 2.0 USB Type-C 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band Wi-Fi 802.11 a/b/g/n/ac, dual-band
Display
Resolution 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) 1080 x 2400 pixels, 20:9 ratio (~392 ppi density)
Size 6.67 inches, 107.4 cm2 (~87.2% screen-to-body ratio) 6.72 inches, 109.0 cm2 (~86.5% screen-to-body ratio)
Type OLED, 120Hz, 600 nits (typ), 1200 nits (HBM), 2100 nits (peak) IPS LCD, 120Hz, 800 nits (typ), 950 nits (HBM)
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2024, March 14 2024, April 02
Status Available. Released 2024, May 20 Available. Released 2024, April 10
Main Camera
Dual 50 MP, f/1.8, (wide), 1/2.76", PDAF 2 MP, f/2.4, (depth) 50 MP, f/1.8, 26mm (wide), 1/2.76", 0.64µm, PDAF 2 MP, f/2.4, (depth)
Features LED flash, HDR, panorama LED flash, HDR, panorama
Video 1080p@30fps, gyro-EIS 1080p@30fps
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (dedicated slot)
Internal 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
  UFS 2.2 -
Misc
Colors Gray, Light Green Twilight Purple, Woodland Green
Models PJT110 RMX3998
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41 1, 3, 5, 8, 28, 40, 41
5G bands 1, 5, 8, 28, 41, 77, 78 SA/NSA 1, 3, 5, 8, 28, 40, 41, 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 6100+ (6 nm)
CPU Octa-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver) Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 619 Mali-G57 MC2
OS Android 14, ColorOS 14 Android 14, Realme UI 5.0
Selfie camera
Features Panorama -
Single 16 MP, f/2.4, (wide) 8 MP, f/2.0, 26mm (wide)
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers
  - 24-bit/192kHz Hi-Res audio