Home/Doogee/Doogee Blade20 Ultra vs Ulefone Armor X31
Doogee Blade20 Ultra

Doogee Blade20 Ultra

#2618
Ulefone Armor X31

Ulefone Armor X31

#2145

Category Breakdown

Doogee Blade20 Ultra
Ulefone Armor X31
Performance
83.879.5
Camera
19.136.8
Display
73.078.0
Battery
39.138.1
Build
0.20.2
Connectivity
59.267.4
Audio
8.98.9
Overall
47.551.4

Summary

  • The Doogee Blade20 Ultra features a larger 6.6-inch IPS LCD display with a resolution of 720 x 1612 pixels and a 90Hz refresh rate, while the Ulefone Armor X31 has a slightly smaller 6.56-inch display with the same resolution and refresh rate but offers higher brightness at 600 nits.
  • In terms of performance, the Blade20 Ultra is powered by the Unisoc T7250 chipset with 8GB RAM, compared to the Armor X31's Mediatek Helio G91 and 6GB RAM.
  • The Blade20 Ultra has a 50 MP rear camera and an 8 MP selfie camera, while the Armor X31 includes a 48 MP main camera, a 20 MP night vision camera, and a 16 MP selfie camera, offering more versatility.
  • Battery capacity is significantly higher in the Blade20 Ultra at 10,300 mAh versus 6,050 mAh in the Armor X31, both supporting 18W charging.
  • Both devices run on Android 14, but the Armor X31 includes a headphone jack, which the Blade20 Ultra lacks.

Side-by-side Specification Comparison

Doogee Blade20 Ultra
Ulefone Armor X31

General

Release Date

2025
2025

Announced

2025
2025

Description

N/A
N/A

Display

Size

6.6"
6.56"

Type

IPS LCD, 90Hz
IPS LCD, 90Hz, 600 nits

Resolution

720 x 1612 pixels, 20:9 ratio (~267 ppi density)
720 x 1612 pixels, 20:9 ratio (~269 ppi density)

PPI

720
720

Refresh Rate

90Hz
90Hz

HDR Support

Protection

N/A
Corning Gorilla Glass 5

Performance

Chipset

Unisoc T7250 (12 nm)
Mediatek Helio G91 (12 nm)

CPU

Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)

GPU

Mali-G57 MP1
Mali-G52 MC2

Memory

512GB 8GB RAM
128GB 6GB RAM

Expandable Storage

Card Slot

microSDXC (dedicated slot)
microSDXC (dedicated slot)

Camera

Main Camera

50 MP, f/1.8, (wide), 1/2.5", AF
48 MP, f/1.8, (wide), 0.8µm, PDAF20 MP, f/1.8, (night vision), 2 infrared lights2 MP, (macro)

Main Camera Features

Dual-LED flash, HDR, panorama
LED flash, HDR, panorama

Front Camera

8 MP, f/2.2, (wide), 1/4.0"
16 MP, f/2.3, (wide), 1.0µm

Front Camera Features

N/A
N/A

Video Recording

1080p@30fps
1440p@30fps, 1080p@30fps

Selfie Video

720p@30fps
1080p@30fps

Optical Stabilization

Night Mode

Raw Photo Support

Battery

Capacity

10300 mAh
6050 mAh

Battery Details

10300 mAh
Li-Po 6050 mAh

Charging Details

18W wiredReverse wired
18W wired

Fast Charging

Wireless Charging

Build & Safety

Dimensions

174 x 81.2 x 15.8 mm (6.85 x 3.20 x 0.62 in)
173.8 x 82 x 13.7 mm (6.84 x 3.23 x 0.54 in)

Weight

326 g
305.5 g

Materials

N/A
N/A

Colors

Red, Silver
Black, Black/Orange, Black/Green

Foldable

SAR

N/A
N/A

Connectivity

SIM

Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM

Network

GSM / 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

Bluetooth

5.0, A2DP, LE
5.2, A2DP, LE

NFC

USB

USB Type-C 2.0, OTG
USB Type-C 2.0, OTG

IR Blaster

Headphone Jack

Radio

Positioning

GPS, GLONASS, BDS, GALILEO
GPS, GLONASS, GALILEO, BDS

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

No
Yes

Software & Security

Operating System

Android 14
Android 14

Fingerprint

Face Unlock

Sensors

Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer