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Armor X31 Pro vs Redmi 15

UleFone Armor X31 Pro vs Xiaomi Redmi 15

What Armor X31 Pro does better (10) and where Redmi 15 wins (11) — every spec side by side.

UleFone · 2025Armor X31 Pro

7.3Score

10 advantages≈ $220

Higher score

Xiaomi · 2025Redmi 15

7.2Score

11 advantages≈ $220

5.7Display7.4

6.1Camera4.6

7.2Battery8.3

7.6Features6.2

Dimensions

Size comparison

Armor X31 ProRedmi 15

	Armor X31 Pro	Redmi 15	Difference
Height	173.8 mm	169.5 mm	+4.3 mm
Width	82 mm	80.5 mm	+1.5 mm
Thickness	13.7 mm	8.4 mm	+5.3 mm
Weight	306 g	217 g	+89 g

Drawn to the same scale from the official dimensions (front and side).

Why is Armor X31 Pro better than Redmi 15?

Water resistance (IPx)IPx8 vs IPx42×
Main camera64 MP vs 50 MP+28%
Storage (base)256 GB vs 128 GB2×
Rear cameras2 vs 12×
Selfie camera16 MP vs 8 MP2×
3.5 mm headphone jackYes · Redmi 15: No
Energy classA vs B
Drop resistance classA vs D
CPU frequency2.4 GHz vs 2.3 GHz+4%
Endurance per cycle82 h vs 67 h+22%

Why is Redmi 15 better than Armor X31 Pro?

Wired charging18 W vs 33 W+83%
Battery capacity6,050 mAh vs 7,000 mAh+16%
Refresh rate120 Hz vs 144 Hz+20%
Weight306 g vs 217 g+41%
Pixel density269 ppi vs 374 ppi+39%
Peak brightness800 nits vs 850 nits+6%
Screen size6.6″ vs 6.9″+5%
Thickness13.7 mm vs 8.4 mm+63%
Resolution (width)720 px vs 1,080 px+50%
Screen-to-body ratio72.5% vs 85.7%+18%
Main camera aperturef/1.9 vs f/1.8+6%

Specifications

Side by side

Only differences	UleFone Armor X31 Pro≈ $2207.3	Xiaomi Redmi 15≈ $2207.2
Design
Weight	306 g	217 g
Thickness	13.7 mm	8.4 mm
Height	173.8 mm	169.5 mm
Width	82 mm	80.5 mm
Frame	—	Plastic
Back	—	Plastic
Ingress protection	IP68	IP64
Water resistance (IPx)	IPx8	IPx4
Glass protection	Corning Gorilla Glass 5	Corning Gorilla Glass 3
Colours	Black, Black/Orange, Black/Green	Midnight Black, Titan Gray, Ripple Green
Display
Screen size	6.6″	6.9″
Panel	IPS LCD	IPS LCD
OLED panel	No	No
Resolution (width)	720 px	1,080 px
Resolution (height)	1,612 px	2,340 px
Pixel density	269 ppi	374 ppi
Refresh rate	120 Hz	144 Hz
Peak brightness	800 nits	850 nits
Screen-to-body ratio	72.5%	85.7%
Performance
Chipset	Mediatek Dimensity 6300	Qualcomm SM6375 Snapdragon 6s Gen 3
Chip maker	MediaTek	Qualcomm
Process	6 nm	6 nm
CPU cores	8	8
CPU frequency	2.4 GHz	2.3 GHz
GPU	Mali-G57 MC2	Adreno 619
AnTuTu score	—	459,712
Geekbench 6 (multi-core)	—	2,179
3DMark Wild Life Extreme	—	421
Memory
RAM	8 GB	8 GB
Storage (max)	256 GB	256 GB
Storage (base)	256 GB	128 GB
Storage type	—	UFS 2.2
Memory card slot	Yes	Yes
Camera
Main camera	64 MP	50 MP
Main camera aperture	f/1.9	f/1.8
Main sensor size	—	1/2.88"
Rear cameras	2	1
Optical stabilisation	No	No
Ultra-wide camera	No	No
Telephoto camera	No	No
Max video	1080p	1080p
Selfie camera	16 MP	8 MP
4K selfie video	No	No
Battery
Battery capacity	6,050 mAh	7,000 mAh
Battery type	Li-Po	—
Wired charging	18 W	33 W
Wireless charging	No	No
Connectivity
5G	Yes	Yes
eSIM	No	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 5	Wi-Fi 5
Bluetooth	5.2	5.1
NFC	Yes	Yes
USB	USB Type-C 2.0	USB Type-C 2.0
USB version	2	2
Satellite navigation	GLONASS, GALILEO, BDS	GLONASS, GALILEO, BDS
Features
Stereo speakers	No	No
3.5 mm headphone jack	Yes	No
Fingerprint sensor	Side	Side
Sensors	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass	Fingerprint (side-mounted), accelerometer, compass
SAR (head)	—	1 W/kg
Software
OS at launch	Android 14	Android 15
Platform	Android	Android
Interface	—	HyperOS 3
EU label
Energy class	A	B
Battery charge cycles	1,000	1,000
Endurance per cycle	82 h	67 h
Repairability class	C	C
Drop resistance class	A	D