Ulefone Armor X31
#2214
Umidigi Bison GT2
#2089Category Breakdown
Ulefone Armor X31
Umidigi Bison GT2
Performance
64.864.8
Camera
44.145.7
Display
75.575.5
Battery
63.563.5
Build
63.863.8
Overall
61.561.9
Summary
- The Ulefone Armor X31 features a 6.56-inch IPS LCD display with a resolution of 720 x 1612 pixels, while the Umidigi Bison GT2 has a slightly smaller 6.5-inch IPS LCD with a higher resolution of 1080 x 2400 pixels, resulting in a sharper image.
- In terms of performance, the Armor X31 is powered by the Mediatek Helio G91 chipset, whereas the Bison GT2 utilizes the more advanced Helio G95, offering better processing capabilities.
- The camera setup on the Armor X31 includes a 48 MP main sensor, while the Bison GT2 boasts a 64 MP main camera along with additional ultrawide and macro lenses.
- Battery capacity is similar, with the Armor X31 at 6050 mAh and the Bison GT2 slightly higher at 6150 mAh, both supporting 18W charging.
- The Armor X31 runs on Android 14, providing a more recent software experience compared to the Bison GT2's Android 12.
Side-by-side Specification Comparison
Ulefone Armor X31
Umidigi Bison GT2
General
Release Date
2025
2022
Announced
2025
2022
Description
N/A
N/A
Display
Size
6.56"
6.5"
Type
IPS LCD, 90Hz, 600 nits
IPS LCD, 90Hz
Resolution
720 x 1612 pixels, 20:9 ratio (~269 ppi density)
1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
PPI
720
1080
Refresh Rate
90Hz
90Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
Corning Gorilla Glass 5
N/A
Performance
Chipset
Mediatek Helio G91 (12 nm)
Mediatek Helio G95 (12 nm)
CPU
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Mali-G52 MC2
Mali-G76 MC4
Memory
128GB 6GB RAM
128GB 8GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (uses shared SIM slot)
Camera
Main Camera
48 MP
64 MP
Main Camera Details
48 MP, f/1.8, (wide), 0.8µm, PDAF20 MP, f/1.8, (night vision), 2 infrared lights2 MP, (macro)
64 MP, f/1.8, (wide), AF8 MP, f/2.2, 117˚ (ultrawide)5 MP, f/2.4, (macro)
Front Camera
16 MP
24 MP
Front Camera Details
16 MP, f/2.3, (wide), 1.0µm
24 MP, f/2.0, (wide)
Video Recording
1440p@30fps, 1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
6050 mAh
6150 mAh
Battery Details
Li-Po 6050 mAh
6150 mAh
Charging Details
18W wired
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
173.8 x 82 x 13.7 mm (6.84 x 3.23 x 0.54 in)
172.2 x 83.9 x 12.9 mm (6.78 x 3.30 x 0.51 in)
Weight
305.5 g
280 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Black, Black/Orange, Black/Green
Storm Grey
Foldable
✗
✗
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / CDMA / HSPA / LTE
GSM / CDMA / HSPA / LTE
Network Speed
HSPA, LTE
HSPA, LTE
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, Wi-Fi Direct
Bluetooth
5.2, A2DP, LE
5.0, A2DP, LE
NFC
✓
✓
USB
USB Type-C 2.0, OTG
USB Type-C
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, GALILEO, BDS
GPS, GLONASS, GALILEO, BDS
Software
Operating System
Android 14
Android 12
OS Version
Android 14
Android 12
Security
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Fingerprint (side-mounted), accelerometer, proximity, compass, barometer, thermometer (skin temperature)
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes