Product
Oppo A3x
Oppo A3x
Vivo Y81
Vivo Y81
Battery
Charging 45W wired, PD2.0, 50% in 30 min -
Type 5100 mAh 3260 mAh, non-removable
Body
Build - Glass front (Gorilla Glass), plastic back, plastic frame
Dimensions 165.7 x 76 x 7.7 mm (6.52 x 2.99 x 0.30 in) 155.1 x 75 x 7.8 mm (6.11 x 2.95 x 0.31 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 187 g (6.60 oz) 146.5 g (5.15 oz)
IP54 dust protected and water resistant (water splashes) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions -
Comms
Bluetooth 5.3, A2DP, LE 5.0, A2DP, LE
NFC No No
Positioning GPS, GALILEO, GLONASS, BDS, QZSS GPS, GLONASS, BDS
Radio No No
USB USB Type-C 2.0, OTG microUSB 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Display
Protection Panda glass Corning Gorilla Glass
Resolution 720 x 1604 pixels, 20:9 ratio (~264 ppi density) 720 x 1520 pixels, 19:9 ratio (~270 ppi density)
Size 6.67 inches, 107.2 cm2 (~85.2% screen-to-body ratio) 6.22 inches, 96.6 cm2 (~83.0% screen-to-body ratio)
Type IPS LCD, 120Hz, 1000 nits (HBM) IPS LCD
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass Fingerprint (rear-mounted) - only 4 GB model; accelerometer, proximity, compass
Launch
Announced 2024, August 02 2018, June. Released 2018, June
Status Available. Released 2024, August 02 Discontinued
Main Camera
Dual 8 MP, f/2.0, (wide), PDAF Auxiliary lens -
Features LED flash, HDR, panorama LED flash, HDR, panorama
Single - 13 MP, f/2.2, PDAF
Video 1080p@30/60fps 1080p@30fps
Memory
Card slot microSDXC microSDXC (dedicated slot)
Internal 64GB 4GB RAM, 128GB 4GB RAM 32GB 3GB RAM, 32GB 4GB RAM
eMMC 5.1 eMMC 5.1
Misc
Colors Sparkle Black, Starlight White, Starry Purple Black, Gold
Models CPH2681 1808, 1803, V1732A, 1808i
SAR -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 8, 28, 40, 41 1, 3, 5, 7, 8, 34, 38, 39, 40, 41
5G bands 1, 3, 5, 8, 28, 41, 77, 78 SA/NSA -
Speed HSPA, LTE, 5G HSPA, LTE
Technology GSM / HSPA / LTE / 5G GSM / CDMA / HSPA / LTE
- CDMA 800 & TD-SCDMA
Platform
Chipset Mediatek Dimensity 6300 (6 nm) Mediatek MT6762 Helio P22 (12 nm)
CPU Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Octa-core 2.0 GHz Cortex-A53
GPU Mali-G57 MC2 PowerVR GE8320
OS Android 14, ColorOS 14 Android 8.1 (Oreo), Funtouch 4
Selfie camera
Single 5 MP, f/2.2, (wide) 5 MP, f/2.2
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes