Oppo A9x
#3737
vivo S1 (China)
#3819Category Breakdown
Oppo A9x
vivo S1 (China)
Performance
80.180.5
Camera
28.428.4
Display
58.958.9
Battery
29.027.2
Build
0.20.2
Connectivity
63.557.3
Audio
8.98.9
Overall
38.938.3
Summary
- The Oppo A9x and vivo S1 both feature a 6.53-inch IPS LCD display with a resolution of 1080 x 2340 pixels, but differ in camera capabilities and battery specifications.
- The A9x has a dual rear camera setup with a 48 MP main sensor, while the S1 offers a 12 MP main sensor alongside additional ultrawide and depth sensors, resulting in a more versatile camera system.
- In terms of performance, both devices utilize the Mediatek Helio P70 chipset, but the A9x comes with 6GB of RAM compared to the S1's options of 4GB or 6GB.
- The A9x has a slightly larger battery at 4020 mAh with 20W charging, while the S1 has a 3940 mAh battery with 18W charging.
- Both run on Android 9.0, but the A9x uses ColorOS 6, whereas the S1 operates on Funtouch 9.
Side-by-side Specification Comparison
Oppo A9x
vivo S1 (China)
General
Release Date
2019
2019
Announced
2019
2019
Description
N/A
Not to be confused with Vivo S1 for Global marketVersions: V1831A, V1831T (China)
Display
Size
6.53"
6.53"
Type
IPS LCD
IPS LCD
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 5
N/A
Performance
Chipset
Mediatek MT6771V Helio P70 (12 nm)
Mediatek MT6771 Helio P70 (12 nm)
CPU
Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU
Mali-G72 MP3
Mali-G72 MP3
Memory
128GB 6GB RAM
128GB 4GB RAM, 128GB 6GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (uses shared SIM slot)
microSDXC
Camera
Main Camera
48 MP, f/1.7, (wide), 1/2.0", 0.8µm, PDAF2 MP, f/2.4, (depth)
12 MP, f/1.8, 13mm (ultrawide), PDAF8 MP, f/2.2, (wide)5 MP, f/2.4, (depth)
Main Camera Features
Dual-LED dual-tone flash, panorama, HDR
LED flash, HDR, panorama
Front Camera
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
Motorized pop-up 25 MP, f/2.0
Front Camera Features
HDR
HDR
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
4020 mAh
3940 mAh
Battery Details
Li-Po 4020 mAh, non-removable
3940 mAh, non-removable
Charging Details
20W wired
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
162 x 76.1 x 8.3 mm (6.38 x 3.00 x 0.33 in)
162 x 76 x 8.5 mm (6.38 x 2.99 x 0.33 in)
Weight
190 g
189.5 g
Materials
N/A
N/A
Colors
Meteorite Black, Ice Jade White
Blue, Pink, Ice black
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / CDMA / HSPA / LTE
GSM / CDMA / HSPA / LTE
Network Speed
HSPA, LTE
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat7 300/50 Mbps
5G
✗
✗
4G
✓
✓
WiFi
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, Wi-Fi Direct
Bluetooth
4.2, A2DP, LE
5.0, A2DP, LE
NFC
✓
✗
USB
microUSB 2.0, OTG
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS
GPS, GLONASS, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 9.0 (Pie), ColorOS 6
Android 9.0 (Pie), Funtouch 9
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Fingerprint (rear-mounted), accelerometer, proximity, compass