Category Breakdown
vivo Y15a
Xiaomi Redmi 3x
Performance
72.860.3
Camera
19.119.1
Display
56.556.5
Battery
33.729.3
Build
67.975.6
Connectivity
51.547.9
Audio
8.98.9
Overall
43.336.4
Summary
- The vivo Y15a features a larger 6.51-inch IPS LCD display with a resolution of 720 x 1600 pixels, while the Xiaomi Redmi 3x has a smaller 5.0-inch IPS LCD with a resolution of 720 x 1280 pixels, resulting in a higher pixel density.
- In terms of performance, the Y15a is powered by the Mediatek Helio P35 chipset with 4GB of RAM, compared to the Snapdragon 430 in the Redmi 3x with only 2GB of RAM, offering better multitasking capabilities.
- Both phones have a 13 MP rear camera, but the Y15a includes a secondary 2 MP depth sensor, while the Redmi 3x has a slightly faster f/2.0 aperture.
- The Y15a also boasts a larger 5000 mAh battery compared to the 4100 mAh in the Redmi 3x, providing longer usage time.
- In terms of software, the Y15a runs on Android 11 with Funtouch 11.1, whereas the Redmi 3x operates on the older Android 6.0.1 with MIUI 7.3, indicating a more modern software experience on the Y15a.
- Both devices have a plastic frame, but the Redmi 3x features an aluminum back, giving it a slightly more premium feel.
Side-by-side Specification Comparison
vivo Y15a
Xiaomi Redmi 3x
General
Release Date
2021, November 15
2016
Announced
2021, November 15
2016
Description
N/A
N/A
Display
Size
6.51"
5"
Type
IPS LCD
IPS LCD
Resolution
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Mediatek MT6765 Helio P35 (12 nm)
Qualcomm MSM8937 Snapdragon 430 (28 nm)
CPU
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Octa-core 1.4 GHz Cortex-A53
GPU
PowerVR GE8320
Adreno 505
Memory
64GB 4GB RAM
32GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (uses shared SIM slot)
Camera
Main Camera
13 MP, f/2.2, 27mm (wide), AF2 MP, f/2.4, (depth)
13 MP, f/2.0, PDAF
Main Camera Features
LED flash, panorama
LED flash, HDR, panorama
Front Camera
8 MP, f/2.0
5 MP, f/2.2
Front Camera Features
N/A
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
5000 mAh
4100 mAh
Battery Details
5000 mAh
Li-Ion 4100 mAh, non-removable
Charging Details
10W wired5W reverse wired
10W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
164 x 75.2 x 8.3 mm (6.46 x 2.96 x 0.33 in)
139.3 x 69.6 x 8.5 mm (5.48 x 2.74 x 0.33 in)
Weight
179 g
144 g
Materials
Glass front, plastic back, plastic frame
Glass front, aluminum/plastic back, aluminum frame
Colors
Wave Green, Mystic Blue
Gold, Dark Gray, Silver
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Micro-SIM
Network
GSM / HSPA / LTE
GSM / CDMA / HSPA / EVDO / LTE
Network Speed
HSPA, LTE
HSPA, LTE, EV-DO Rev.A 3.1 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE
4.1, A2DP
NFC
✗
✗
USB
microUSB 2.0, OTG
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, GALILEO, BDS
GPS, GLONASS, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 11, Funtouch 11.1
Android 6.0.1 (Marshmallow), MIUI 7.3
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

