Samsung Galaxy S6 Duos vs Vivo S2
Product
Price
420 USD
420 USD
Status
Discontinued
Available
Brand
Samsung Mobile
Vivo Mobiles
Model No
Galaxy S6 Duos
vivo S2
Launch Date
2015, June 03
2026, July 06
Wikipedia
Technology
GSM / HSPA / LTE
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 2100
4G bands
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26
1, 3, 5, 8, 20, 28, 38, 40, 41
Speed
HSPA 42.2/5.76 Mbps, LTE-A Cat6 300/50 Mbps
HSPA, LTE, 5G
5G bands
1, 3, 5, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA
Dimensions
143.4 x 70.5 x 6.8 mm (5.65 x 2.78 x 0.27 in)
164.4 x 75.3 x 8 mm (6.47 x 2.96 x 0.31 in)
Weight
138 g (4.87 oz)
197 g or 199 g (6.95 oz)
Build
Glass front (Gorilla Glass 4), glass back (Gorilla Glass 4), aluminum frame
Glass front, plastic frame, plastic back
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
MIL-STD-810H compliant*
* does not guarantee ruggedness or use in extreme conditions
Drop resistant up to 1m
SIM
Dual SIM (Nano-SIM, dual stand-by)
Samsung Pay (Visa, MasterCard certified)
Nano-SIM + Nano-SIM
Colors
White Pearl, Black Sapphire, Gold Platinum
Sapphire Blue, Regal Bronze, Silk White
Type
Super AMOLED capacitive touchscreen, 16M colors
AMOLED, 1B colors, 120Hz
Size
5.1 inches, 71.7 cm2 (~70.9% screen-to-body ratio)
6.83 inches, 112.6 cm2
Resolution
1440 x 2560 pixels, 16:9 ratio (~576 ppi density)
1260 x 2800 pixels, 20:9 ratio (~450 ppi density)
OS
Android 5.0.2 (Lollipop), upgradable to Android 8.0 (Oreo), TouchWiz UI
Android 16, up to 3 major OS updates, OriginOS 6
Chipset
Exynos 7420 Octa (14 nm)
Mediatek Dimensity 7360 Turbo (4 nm)
CPU
Octa-core (4x2.1 GHz Cortex-A57 & 4x1.5 GHz Cortex-A53)
Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU
Mali-T760MP8
Mali-G615 MC2
RAM
3GB
8GB
Storage
32GB/ 64GB /128GB
128GB/256GB
Card Slot
No
Lens 1
16 MP, f/1.9, 28mm (wide), 1/2.6", 1.12µm, AF, OIS
50 MP, f/1.8, (wide), 1/2.93", PDAF
Features
LED flash, auto-HDR, panorama
LED flash, HDR, panorama
Video
4K@30fps, 1080p@30/60fps, 720p@120fps, HDR, stereo sound rec., OIS, gyro-EIS
4K@30fps, 1080p@30fps, gyro-EIS
Lens 2
Auxiliary lens
Lens 1
5 MP, f/1.9, 22mm (wide)
32 MP, f/2.0, (wide)
Features
Dual video call, Auto-HDR
Video
1440p@30fps
4K@30fps, 1080p@30fps
Capacity
Li-Ion 2550 mAh, non-removable
Li-Ion 7050 mAh
Charging
Fast charging 15W
Qi/PMA wireless charging - market dependent
44W wired
Reverse wired
Bypass charging
Talk Time
Up to 17 h (3G)
Sensors
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2
ANT+
S-Voice natural language commands and dictation
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Loudspeaker
YES
Yes, with stereo speakers
3.5mm jack
24-bit/192kHz audio
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
4.1, A2DP, LE, aptX
5.4, A2DP, LE
GPS
Yes, with A-GPS, GLONASS, BDS
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
Yes
Radio
No
USB
microUSB 2.0, USB On-The-Go
USB Type-C 2.0, OTG