Product
Oppo K9
Oppo K9
Vivo Y400 Pro
Vivo Y400 Pro
Battery
Charging 65W wired, 100% in 35 min 90W wired, 50% in 19 min 6W reverse wired
Type Li-Po 4300 mAh Li-Ion 5500 mAh
Body
Build - Glass front, plastic back, plastic frame
Dimensions 159.1 x 73.4 x 7.9 mm (6.26 x 2.89 x 0.31 in) 163.8 x 75.0 x 7.5 or 7.7 mm
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 172 g (6.07 oz) 182 g (6.42 oz)
- IP65 dust tight and water resistant (low pressure water jets)
Comms
Bluetooth 5.0, A2DP, LE, aptX HD 5.4, A2DP, LE
Infrared port - Yes
NFC No No
Positioning GPS, GLONASS, GALILEO, BDS, QZSS GPS, GLONASS, GALILEO, BDS, QZSS
Radio No No
USB USB Type-C 2.0, OTG USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band
Display
Resolution 1080 x 2400 pixels, 20:9 ratio (~409 ppi density) 1080 x 2392 pixels (~388 ppi density)
Size 6.43 inches, 99.8 cm2 (~85.5% screen-to-body ratio) 6.77 inches, 110.9 cm2 (~90.3% screen-to-body ratio)
Type Super AMOLED, 90Hz, 430 nits (typ), 750 nits (peak) AMOLED, 120Hz, HDR, 1300 nits (HBM), 4500 nits (peak)
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
- Circle to Search
Launch
Announced 2021, May 06 2025, June 20
Status Available. Released 2021, May 11 Available. Released 2025, June 27
Main Camera
Dual -
Features LED flash, HDR, panorama Ring-LED flash, panorama, HDR
Triple 64 MP, f/1.7, (wide), PDAF 8 MP, f/2.2, (ultrawide) 2 MP, f/2.4, (macro) -
Video 4K@30fps, 1080p@30/60/120fps; gyro-EIS 4K@30fps, 1080p@30fps, gyro-EIS
Memory
Card slot No No
Internal 128GB 8GB RAM, 256GB 8GB RAM 128GB 8GB RAM, 256GB 8GB RAM
- UFS 3.1
Misc
Colors Black, Aurora Fest Gold, Freestyle White, Nebula Purple
Models PEXM00 -
SAR -
SAR EU -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 800 / 850 / 900 / 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, 38, 40, 41
5G bands 1, 3, 28, 41, 77, 78 SA/NSA 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Speed HSPA, LTE, 5G HSPA, LTE, 5G
Technology GSM / CDMA / HSPA / CDMA2000 / LTE / 5G GSM / HSPA / LTE / 5G
CDMA2000 1x -
Platform
Chipset Qualcomm SM7250-AC Snapdragon 768G 5G (7 nm) Mediatek Dimensity 7300 (4 nm)
CPU Octa-core (1x2.8 GHz Kryo 475 Prime & 1x2.4 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver) Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Adreno 620 Mali-G615 MC2
OS Android 11, ColorOS 11.1 Android 15, Funtouch 15
Selfie camera
Single 32 MP, f/2.4, (wide) 32 MP, f/2.5, (wide)
Video 1080p@30fps 4K@30fps, 1080p@30fps
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes, with stereo speakers
- 24-bit/192kHz Hi-Res & Hi-Res wireless audio