Samsung Galaxy A9 (2018)
#2004
vivo X20 Plus UD
#2686Category Breakdown
Samsung Galaxy A9 (2018)
vivo X20 Plus UD
Performance
74.579.5
Camera
47.419.1
Display
82.882.8
Battery
27.127.2
Build
96.377.8
Connectivity
66.356.6
Audio
8.98.9
Overall
52.746.9
Summary
- The Samsung Galaxy A9 (2018) features a 6.3-inch Super AMOLED display with a resolution of 1080 x 2220 pixels, while the vivo X20 Plus UD has a slightly larger 6.43-inch Super AMOLED display at 1080 x 2160 pixels.
- Both devices are powered by the Qualcomm Snapdragon 660 chipset, but the A9 offers more RAM options, up to 8GB, compared to the X20 Plus UD's maximum of 4GB.
- In terms of camera capabilities, the A9 has a more versatile quad-camera setup with a 24 MP main sensor, whereas the X20 Plus UD has a dual-camera system with a 12 MP main sensor.
- The A9's battery capacity is 3800 mAh with 18W charging, while the X20 Plus UD has a slightly larger 3900 mAh battery and faster 22.5W charging.
- Software-wise, the A9 runs Android 8.0 (Oreo) with One UI, while the X20 Plus UD operates on Android 7.1.1 (Nougat) with Funtouch OS.
Side-by-side Specification Comparison
Samsung Galaxy A9 (2018)
vivo X20 Plus UD
General
Release Date
2018
2018
Announced
2018
2018
Description
Also known as Samsung Galaxy A9 Star Pro, Samsung Galaxy A9sVersions: SM-A920F/DS (Global); SM-A9200 (China)
N/A
Display
Size
6.3"
6.43"
Type
Super AMOLED
Super AMOLED
Resolution
1080 x 2220 pixels, 18.5:9 ratio (~393 ppi density)
1080 x 2160 pixels, 18:9 ratio (~376 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 5
N/A
Performance
Chipset
Qualcomm SDM660 Snapdragon 660 (14 nm)
Qualcomm SDM660 Snapdragon 660 (14 nm)
CPU
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU
Adreno 512
Adreno 512
Memory
64GB 6GB RAM, 64GB 8GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
128GB 4GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (uses shared SIM slot)
Camera
Main Camera
24 MP, f/1.7, 27mm (wide), 1/2.8", 0.9µm, PDAF10 MP f/2.4, 52mm (telephoto), 1/3.9", 1.0µm, AF, 2x optical zoom8 MP, f/2.4, 12mm (ultrawide), 1/4.0", 1.12µm5 MP, f/2.2, (depth)
12 MP, f/1.8, AF5 MP, f/2.4, (depth)
Main Camera Features
LED flash, panorama, HDR
LED flash, HDR, panorama
Front Camera
24 MP, f/2.0, 27mm (wide), 1/2.8", 0.9µm
12 MP, f/2.0, (wide), 1/2.8", 1.28µm
Front Camera Features
HDR
N/A
Video Recording
4K@30fps, 1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3800 mAh
3900 mAh
Battery Details
Li-Ion 3800 mAh, non-removable
Li-Ion 3900 mAh, non-removable
Charging Details
18W wired
22.5W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
162.5 x 77 x 7.8 mm (6.40 x 3.03 x 0.31 in)
155.3 x 80.1 x 7.5 mm (6.11 x 3.15 x 0.30 in)
Weight
183 g
181.5 g
Materials
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Glass front, aluminum back, aluminum frame
Colors
Caviar Black, Lemonade Blue, Bubblegum Pink
Matte Black, Gold, Rose gold
Foldable
✗
✗
SAR
0.27 W/kg (head) 0.84 W/kg (body)
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / CDMA / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE (3CA) Cat9 450/50 Mbps
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 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
5.0, A2DP, LE
5.0, A2DP, LE
NFC
✓
✗
USB
USB Type-C 2.0
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS, GALILEO
GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 8.0 (Oreo), upgradable to Android 10, One UI
Android 7.1.1 (Nougat), Funtouch 3.2
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, proximity, compass