Product
Oppo K12 Plus
Oppo K12 Plus
Xiaomi Mi Note 3
Xiaomi Mi Note 3
Battery
Charging 80W wired, PD, UFCS, 50% in 20 min 10W reverse wired 18W wired, QC3
Type 6400 mAh Li-Ion 3500 mAh, non-removable
Body
Build - Glass front (Gorilla Glass 4), glass back, aluminum frame
Dimensions 162.5 x 75.3 x 8.4 mm (6.40 x 2.96 x 0.33 in) 152.6 x 74 x 7.6 mm (6.01 x 2.91 x 0.30 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 192 g (6.77 oz) 163 g (5.75 oz)
  IP54 dust protected and water resistant (water splashes) -
Comms
Bluetooth 5.4, A2DP, LE, aptX HD, LHDC 5.0, A2DP, LE
Infrared port Yes Yes
NFC Yes Yes
Positioning GPS, GALILEO, GLONASS, BDS, QZSS GPS, GLONASS, BDS
Radio No No
USB USB Type-C 2.0, OTG USB Type-C
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, dual-band Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection - Corning Gorilla Glass 4
Resolution 1080 x 2412 pixels, 20:9 ratio (~394 ppi density) 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Size 6.7 inches, 108.0 cm2 (~88.3% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~73.8% screen-to-body ratio)
Type AMOLED, 1B colors, 120Hz, 500 nits (typ), 900 nits (HBM), 1100 nits (peak) IPS LCD
  HDR image support -
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer
Launch
Announced 2024, October 12 2017, September. Released 2017, September
Status Available. Released 2024, October 15 Discontinued
Main Camera
Dual 50 MP, f/1.8, 26mm (wide), 1/1.95", 0.8µm, PDAF, OIS 8 MP, f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm 12 MP, f/1.8, 27mm (wide), PDAF, 4-axis OIS 12 MP, f/2.6, 52mm (telephoto), AF, 2x optical zoom
Features Dual-LED flash, HDR, panorama Dual-LED dual-tone flash, HDR, panorama
Video 4K@30fps, 1080p@30/60/120fps, gyro-EIS, OIS 4K@30fps, 720p@120fps
Memory
Card slot microSDXC (uses shared SIM slot) No
Internal 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM 64GB 6GB RAM, 128GB 6GB RAM
  UFS 3.1 eMMC 5.1
Misc
Colors Black, White Black, Blue
Models PKS110 MCE8
SAR - 0.50 W/kg (head)     1.54 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 850 / 900 / 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, 3, 5, 7, 8, 34, 38, 39, 40, 41
5G bands 1, 5, 8, 28, 41, 77, 78 SA/NSA -
Speed HSPA, LTE, 5G HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Technology GSM / CDMA / HSPA / LTE / 5G GSM / CDMA / HSPA / EVDO / LTE
  CDMA 800 CDMA2000 1xEV-DO
Platform
Chipset Qualcomm SM7550-AB Snapdragon 7 Gen 3 (4 nm) Qualcomm SDM660 Snapdragon 660 (14 nm)
CPU Octa-core (1x2.63 GHz Cortex-A715 & 4x2.4 GHz Cortex-A715 & 3x1.8 GHz Cortex-A510) Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU Adreno 720 Adreno 512
OS Android 14, ColorOS 14.0 Android 7.1 (Nougat), upgradable to Android 9, MIUI 12
Selfie camera
Features Panorama -
Single 16 MP, f/2.4, 26mm (wide), 1/3.0", 1.0µm 16 MP, f/2.5, (wide), 1/3.06" 1.0µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack No No
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers
  - 24-bit/192kHz audio