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Armor 12 5G vs Redmi K40 Pro

UleFone Armor 12 5G vs Xiaomi Redmi K40 Pro

What Armor 12 5G does better (5) and where Redmi K40 Pro wins (17) — every spec side by side.

UleFone · 2021Armor 12 5G

6.6Score

5 advantages≈ $400

Xiaomi · 2021Redmi K40 Pro

7.8Score

17 advantages≈ $390

Higher score

2.9Display7.9

6.4Camera8.2

6.8Battery4.2

7.6Features7.0

Dimensions

Size comparison

Armor 12 5GRedmi K40 Pro

	Armor 12 5G	Redmi K40 Pro	Difference
Height	175.9 mm	163.7 mm	+12.2 mm
Width	82.5 mm	76.4 mm	+6.1 mm
Thickness	14.3 mm	7.8 mm	+6.5 mm
Weight	296 g	196 g	+100 g

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

Why is Armor 12 5G better than Redmi K40 Pro?

Water resistance (IPx)IPx8 vs IPx32.7×
Wireless chargingYes · Redmi K40 Pro: No
Battery capacity5,180 mAh vs 4,520 mAh+15%
Memory card slotYes · Redmi K40 Pro: No
Main camera aperturef/1.8 vs f/1.9+6%

Why is Redmi K40 Pro better than Armor 12 5G?

Refresh rate60 Hz vs 120 Hz2×
Wired charging18 W vs 33 W+83%
RAM8 GB vs 12 GB+50%
OLED panelNo · Armor 12 5G: Yes
Storage (max)128 GB vs 256 GB2×
Stereo speakersNo · Armor 12 5G: Yes
Main camera48 MP vs 64 MP+33%
Weight296 g vs 196 g+51%
Pixel density264 ppi vs 395 ppi+50%
CPU frequency2.2 GHz vs 2.84 GHz+29%
Thickness14.3 mm vs 7.8 mm+83%
Screen size6.5″ vs 6.7″+2%

Specifications

Side by side

Only differences	UleFone Armor 12 5G≈ $4006.6	Xiaomi Redmi K40 Pro≈ $3907.8
Design
Weight	296 g	196 g
Thickness	14.3 mm	7.8 mm
Height	175.9 mm	163.7 mm
Width	82.5 mm	76.4 mm
Frame	Aluminium	—
Back	Aluminium	—
Ingress protection	IP68	IP53
Water resistance (IPx)	IPx8	IPx3
Glass protection	—	Corning Gorilla Glass 5
Colours	Black/Orange, Gray/Black	Black, White, Aurora
Display
Screen size	6.5″	6.7″
Panel	IPS LCD	Super AMOLED
OLED panel	No	Yes
Resolution (width)	720 px	1,080 px
Resolution (height)	1,560 px	2,400 px
Pixel density	264 ppi	395 ppi
Refresh rate	60 Hz	120 Hz
Peak brightness	—	1,300 nits
Screen-to-body ratio	71.9%	85.9%
HDR	—	Yes
Performance
Chipset	Mediatek Dimensity 700	Qualcomm SM8350 Snapdragon 888 5G
Chip maker	MediaTek	Qualcomm
Process	7 nm	5 nm
CPU cores	8	8
CPU frequency	2.2 GHz	2.84 GHz
GPU	Mali-G57 MC2	Adreno 660
Memory
RAM	8 GB	12 GB
Storage (max)	128 GB	256 GB
Storage (base)	128 GB	128 GB
Storage type	—	UFS 3.1
Memory card slot	Yes	No
Camera
Main camera	48 MP	64 MP
Main camera aperture	f/1.8	f/1.9
Main sensor size	1/2.0"	1/1.7"
Rear cameras	2	2
Optical stabilisation	No	No
Ultra-wide camera	Yes	Yes
Telephoto camera	No	No
Max video	—	8K
4K video frame rate	—	60 fps
Selfie camera	16 MP	20 MP
4K selfie video	No	No
Battery
Battery capacity	5,180 mAh	4,520 mAh
Battery type	Li-Po	Li-Po
Wired charging	18 W	33 W
Charged in 30 min	—	58%
Wireless charging	Yes	No
Wireless charging power	15 W	—
Connectivity
5G	Yes	Yes
eSIM	No	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 5	Wi-Fi 6E
Bluetooth	5.1	5.2
NFC	Yes	Yes
USB	USB Type-C 2.0	USB Type-C 2.0
USB version	2	2
Dual-band GPS	—	Yes
Satellite navigation	GLONASS, GALILEO, BDS	GLONASS, GALILEO, BDS, QZSS, NavIC
Features
Stereo speakers	No	Yes
3.5 mm headphone jack	No	No
Fingerprint sensor	Side	Side
Barometer	—	Yes
Sensors	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, coulombmeter	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Software
OS at launch	Android 11	Android 11
Platform	Android	Android
Interface	—	MIUI 12