Vivo Y3s vs Xiaomi Redmi 15
Product
Price
159 USD
159 USD
Status
Available
Available
Brand
Vivo Mobiles
Xiaomi Mobiles
Model No
V1901A, V1901T
25057RN09E
Launch Date
2020, October 26
2025, August 01
Technology
GSM / CDMA / HSPA / LTE
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 & TD-SCDMA
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 2100
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 3, 5, 8, 34, 38, 39, 40, 41
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 38, 40, 41, 42, 48, 66, 71
Speed
HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps
HSPA, LTE, 5G
5G bands
1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78, 71 SA/NSA
Dimensions
159.4 x 76.8 x 8.9 mm (6.28 x 3.02 x 0.35 in)
169.5 x 80.5 x 8.4 mm (6.67 x 3.17 x 0.33 in)
Weight
190.5 g (6.74 oz)
217 g (7.65 oz)
Build
Glass front, plastic back, plastic frame
Corning Gorilla Glass 3, Mohs level 6
IP64 dust tight and water resistant (water splashes)
SIM
Dual SIM (Nano-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Colors
Dark Blue, Light Blue, Red
Midnight Black, Titan Gray, Ripple Green
Type
IPS LCD
IPS LCD, 144Hz, 600 nits (typ), 700 nits (HBM), 850 nits (peak)
Size
6.35 inches, 99.6 cm2 (~81.4% screen-to-body ratio)
6.9 inches, 116.9 cm2 (~85.7% screen-to-body ratio)
Resolution
720 x 1544 pixels (~268 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~374 ppi density)
OS
Android 9.0 (Pie), Funtouch 9
Android 15, HyperOS 2.2
Chipset
Mediatek MT6765 Helio P35 (12nm)
Qualcomm SM6375 Snapdragon 6s Gen 3 (6 nm)
CPU
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Octa-core (2x2.3 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
GPU
PowerVR GE8320
Adreno 619
RAM
4GB
eMMC 5.1
4GB/6GB/8GB
Storage
128GB
128GB/256GB
UFS 2.2
Card Slot
microSDXC (dedicated slot)
microSDXC (uses shared SIM slot)
Lens 1
13 MP, f/2.2, PDAF
50 MP, f/1.8, (wide), 1/2.88" 0.61μm, PDAF
Lens 2
2 MP, f/2.4, (depth)
Auxiliary lens
Features
LED flash, HDR, panorama
LED flash, HDR
Video
1080p@30fps, 720p@120fps
1080p@30fps
Lens 1
8 MP, f/1.8
8 MP, f/2.0, (wide)
Video
1080p@30fps
1080p@30fps
Features
HDR
Capacity
Li-Po 5000 mAh, non-removable
7000 mAh
Charging
Charging 10W
33W wired, PD 2.0, PPS, QC3
18W reverse wired
Sensors
Fingerprint (rear-mounted), accelerometer, proximity, compass
Fingerprint (side-mounted), accelerometer, compass
Virtual proximity sensing
Circle to Search
Loudspeaker
Yes
Yes
3.5mm jack
Yes
No
24-bit/192kHz Hi-Res audio
WLAN
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE
5.1, A2DP, LE, aptX
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS
GPS, GLONASS, GALILEO, BDS
NFC
No
Yes (market/region dependent)
Radio
Unspecified
USB
microUSB 2.0, USB On-The-Go
USB Type-C 2.0, OTG