Ulefone Armor X31 Pro
#1875
vivo Y300i
#1066Category Breakdown
Ulefone Armor X31 Pro
vivo Y300i
Performance
90.791.3
Camera
36.819.1
Display
78.777.9
Battery
38.138.3
Build
0.265.8
Connectivity
82.278.2
Audio
8.987.6
Overall
53.963.6
Summary
- The Ulefone Armor X31 Pro features a robust build designed for durability, weighing 306g and measuring 173.8 x 82 x 13.7 mm, while the vivo Y300i is lighter at 205g with a sleeker profile of 165.7 x 76.3 x 8.1 mm, utilizing a glass front and plastic back.
- Both devices offer a 120Hz IPS LCD display, but the X31 Pro has a slightly larger 6.56-inch screen compared to the Y300i's 6.68 inches.
- In terms of performance, the Armor X31 Pro is powered by the Mediatek Dimensity 6300, while the Y300i uses the Qualcomm Snapdragon 4 Gen 2, with both models featuring 256GB storage and 8GB RAM.
- The camera capabilities differ, with the X31 Pro boasting a 64 MP main sensor and a 16 MP selfie camera, compared to the Y300i's 50 MP rear camera and 5 MP front camera.
- Battery capacity is higher in the Y300i at 6500mAh with faster 44W charging, while the X31 Pro has a 6050mAh battery with 18W charging.
- Software-wise, the X31 Pro runs Android 14, while the Y300i operates on Android 15 with OriginOS 5, and the latter includes stereo speakers, unlike the former.
Side-by-side Specification Comparison
Ulefone Armor X31 Pro
vivo Y300i
General
Release Date
2024, December 21
2025, March 10
Announced
2024, December 21
2025, March 10
Description
N/A
N/A
Display
Size
6.56"
6.68"
Type
IPS LCD, 120Hz, 800 nits (HBM)
IPS LCD, 120Hz
Resolution
720 x 1612 pixels, 20:9 ratio (~269 ppi density)
720 x 1608 pixels, 20:9 ratio (~264 ppi density)
PPI
720
720
Refresh Rate
120Hz
120Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 5
N/A
Performance
Chipset
Mediatek Dimensity 6300 (6 nm)
Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
CPU
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)
GPU
Mali-G57 MC2
Adreno 613
Memory
256GB 8GB RAM
256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
No
Camera
Main Camera
64 MP, f/1.9, (wide), 0.8µm, PDAF25 MP, f/1.8, (night vision), 2 infrared lights2 MP, (macro)
50 MP, f/1.8, (wide), PDAF
Main Camera Features
LED flash, HDR, panorama
LED flash, HDR, panorama
Front Camera
16 MP, f/2.3, (wide), 1.0µm
5 MP, f/2.0, (wide)
Front Camera Features
N/A
N/A
Video Recording
1440p@30fps, 1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
6050 mAh
6500 mAh
Battery Details
Li-Po 6050 mAh
Si/C Li-Ion 6500 mAh
Charging Details
18W wired
44W wiredReverse wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
173.8 x 82 x 13.7 mm (6.84 x 3.23 x 0.54 in)
165.7 x 76.3 x 8.1 mm (6.52 x 3.00 x 0.32 in)
Weight
306 g
205 g
Materials
N/A
Glass front, plastic frame, plastic back
Colors
Black, Black/Orange, Black/Green
Black, Blue, Titanium
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / CDMA / HSPA / LTE / 5G
GSM / CDMA / HSPA / LTE / 5G
Network Speed
HSPA, LTE, 5G
HSPA, LTE, 5G
5G
✓
✓
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.2, A2DP, LE
4.2, A2DP, aptX Adaptive
NFC
✓
✓
USB
USB Type-C 2.0
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
GPS, GLONASS, GALILEO, BDS
GPS, GALILEO, GLONASS, BDS, QZSS
Audio
Stereo Speakers
✗
✓
Loudspeaker
Yes
Yes, with stereo speakers
Audio Jack
Yes
No
Software & Security
Operating System
Android 14
Android 15, OriginOS 5
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity, compass