Oppo R15X vs Vivo S12

Product
Oppo R15X
419 USD
Vivo S12
419 USD

Price
419 USD
419 USD
Status
Available
Available
Brand
Oppo Mobiles
Vivo Mobiles
Model No
R15X
V2162A

Launch Date
2018, November 01
2022, January 15

Technology
GSM / CDMA / HSPA / LTE
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 ,CDMA 800 & TD-SCDMA
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800
3G bands
HSDPA 850 / 1700(AWS) / 2100 / 900
HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1x
4G bands
1, 3, 4, 5, 8, 34, 38, 39, 40, 41
1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41
Speed
HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps
HSPA 42.2/5.76 Mbps, LTE-A, 5G
5G bands
1, 3, 5, 8, 28, 41, 77, 78 SA/NSA

Dimensions
158.3 x 75.5 x 7.4 mm (6.23 x 2.97 x 0.29 in)
157.2 x 72.4 x 7.4 or 7.6 mm, Height:-157.20mm Width:-72.42mm Thickness: warm gold 7.55mm; isla
Weight
156 g (5.50 oz)
179 g & 181 g (6.31 oz)
SIM
Dual SIM (Nano-SIM, dual stand-by)
Dual SIM (Nano-SIM, dual stand-by)
Colors
Nebula, Silver Green
Black, Gradient Blue, Yellow

Type
Super AMOLED capacitive touchscreen, 16M colors
AMOLED, 90Hz, HDR10+
Size
6.4 inches, 101.0 cm2 (~84.5% screen-to-body ratio)
6.44 inches, 100.1 cm2 (~88.0% screen-to-body ratio)
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~402 ppi density)
1080 x 2400 pixels, 20:9 ratio (~409 ppi density)

OS
Android 8.1 (Oreo), planned upgrade to Android 9.0 (Pie), ColorOS 6.0
Android 12, OriginOS 2.0
Chipset
Qualcomm SDM660 Snapdragon 660 (14 nm)
MediaTek MT6891Z Dimensity 1100 5G (6 nm)
CPU
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU
Adreno 512
Mali-G77 MC9

RAM
6GB
8GB/12GB
Storage
128GB eMMC 5.1
256GB
Card Slot
No
No

Lens 1
16 MP, f/1.7, 1/2.8", 1.12µm, PDAF
108 MP, f/1.9, 26mm (wide), 1/1.52", PDAF
Lens 2
2 MP, (depth)
8 MP, f/2.2, 120˚, 16mm (ultrawide), 1/4.0", 1.12µm
Features
LED flash, HDR, panorama
HD and rear main camera support EIS image stabilization; HD and wide-angle, rear main camera and wide-angle support video stabilization Both HD and rear main cameras support AF autofocus, Zoom Mode - HD supports 1-2x digital zoom, rear main camera supports 1-20x digital zoom, rear wide-angle supports 0.6-0.9x digital zoom : Night Scene, Portrait, Photo, Video, High Pixel, Dynamic Photo, Slow Motion, AR Cute Shot, Micro Video, Double Exposure, Beautiful File, Dual View Video, Motion Capture Rear: Night Scene, Portrait, Photo, Video, High pixel, panorama, dynamic photo, slow motion, time-lapse photography, professional, AR cute shot, micro video, smart vision, document correction
Video
4K@30fps, 1080p@30fps
4K@30fps, 1080p@30fps, gyro-EIS
Lens 3
2 MP, f/2.4, (macro)

Lens 1
25 MP, f/2.0, 1/2.8", 0.9µm
50 MP, f/2.0, (wide), AF 8 MP, f/2.3, 105˚ (ultrawide)
Features
HDR
Front HD and rear main camera support EIS image stabilization; front HD and wide-angle, rear main camera and wide-angle support video stabilization Both front HD and rear main cameras support AF autofocus Front HD supports 1-2x digital zoom, rear main camera supports 1-20x digital zoom, rear wide-angle supports 0.6-0.9x digital zoom Front: Night Scene, Portrait, Photo, Video, High Pixel, Dynamic Photo, Slow Motion, AR Cute Shot, Micro Video, Double Exposure, Beautiful File, Dual View Video, Motion Capture
Video
1080p@30fps
4K@30fps, 1080p@30fps, gyro-EIS

Capacity
Non-removable Li-Ion 3600 mAh battery
Li-Po 4200 mAh, non-removable
Charging
Charging 10W
Fast charging 44W

Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass

Loudspeaker
Yes
Yes
3.5mm jack
Yes
No, 24-bit/192kHz audio

WLAN
Wi-Fi 802.11 а/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
Bluetooth
5.0, A2DP, LE
5.2, A2DP, LE, aptX HD
GPS
Yes, with A-GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS
Radio
No
No
USB
microUSB 2.0, USB On-The-Go
USB Type-C, USB On-The-Go
NFC
No