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400 Smart 4G vs Poco X7

Honor 400 Smart 4G vs Xiaomi Poco X7

What 400 Smart 4G does better (10) and where Poco X7 wins (20) — every spec side by side.

Honor · 2025400 Smart 4G

7.4Score

10 advantages≈ $320

Xiaomi · 2025Poco X7

8.4Score

20 advantages≈ $320

Higher score

6.1Display8.8

5.6Camera8.2

8.3Battery5.4

6.4Features8.9

Dimensions

Size comparison

400 Smart 4GPoco X7

	400 Smart 4G	Poco X7	Difference
Height	166.9 mm	162.3 mm	+4.6 mm
Width	76.8 mm	74.4 mm	+2.4 mm
Thickness	8.2 mm	8.4 mm	−0.2 mm
Weight	208 g	186 g	+22 g

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

Why is 400 Smart 4G better than Poco X7?

Main camera108 MP vs 50 MP2.2×
Battery capacity6,500 mAh vs 5,110 mAh+27%
Stereo speakersYes · Poco X7: No
Energy classA vs C
Repairability classB vs C
Drop resistance classA vs B
CPU frequency2.8 GHz vs 2.5 GHz+12%
Endurance per cycle70 h vs 41 h+70%
Battery charge cycles1,600 vs 1,000+60%
Thickness8.2 mm vs 8.4 mm+2%

Why is Poco X7 better than 400 Smart 4G?

Peak brightness850 nits vs 3,000 nits3.5×
RAM8 GB vs 12 GB+50%
Water resistance (IPx)IPx4 vs IPx82×
OLED panelNo · 400 Smart 4G: Yes
Storage (max)256 GB vs 512 GB2×
Optical stabilisationNo · 400 Smart 4G: Yes
Wired charging35 W vs 45 W+29%
Pixel density261 ppi vs 446 ppi+71%
Selfie camera8 MP vs 20 MP2.5×
Rear cameras1 vs 22×
Ultra-wide cameraNo · 400 Smart 4G: Yes
Max video1080p vs 4K

Specifications

Side by side

Only differences	Honor 400 Smart 4G≈ $3207.4	Xiaomi Poco X7≈ $3208.4
Design
Weight	208 g	186 g
Thickness	8.2 mm	8.4 mm
Height	166.9 mm	162.3 mm
Width	76.8 mm	74.4 mm
Frame	—	Plastic
Back	—	Silicone polymer
Ingress protection	IP54	IP68
Water resistance (IPx)	IPx4	IPx8
Glass protection	—	Corning Gorilla Glass Victus 2
Colours	Desert Gold, Velvet Black	Black, Green, Silver
Display
Screen size	6.8″	6.7″
Panel	TFT LCD	AMOLED
OLED panel	No	Yes
Resolution (width)	720 px	1,220 px
Resolution (height)	1,610 px	2,712 px
Pixel density	261 ppi	446 ppi
Refresh rate	120 Hz	120 Hz
Peak brightness	850 nits	3,000 nits
Measured brightness	—	1,111 nits
Screen-to-body ratio	86%	88.9%
HDR	—	Yes
Performance
Chipset	Qualcomm SM6225 Snapdragon 685	Mediatek Dimensity 7300 Ultra
Chip maker	Qualcomm	MediaTek
Process	6 nm	4 nm
CPU cores	8	8
CPU frequency	2.8 GHz	2.5 GHz
GPU	Adreno 610	Mali-G615 MC2
AnTuTu score	—	677,093
Geekbench 6 (multi-core)	—	2,846
3DMark Wild Life Extreme	—	846
Memory
RAM	8 GB	12 GB
Storage (max)	256 GB	512 GB
Storage (base)	128 GB	128 GB
Storage type	—	UFS 2.2
Memory card slot	No	No
Camera
Main camera	108 MP	50 MP
Main camera aperture	f/1.8	f/1.5
Main sensor size	—	1/1.95"
Rear cameras	1	2
Optical stabilisation	No	Yes
Ultra-wide camera	No	Yes
Telephoto camera	No	No
Max video	1080p	4K
4K video frame rate	—	30 fps
Selfie camera	8 MP	20 MP
4K selfie video	No	No
Battery
Battery capacity	6,500 mAh	5,110 mAh
Battery type	Li-Po	Li-Po
Active use (test)	—	11.1 h
Wired charging	35 W	45 W
Charged in 30 min	—	58%
Wireless charging	No	No
Connectivity
5G	—	Yes
eSIM	No	Yes
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 5	Wi-Fi 6
Bluetooth	5	5.4
NFC	Yes	Yes
USB	USB Type-C 2.0	USB Type-C 2.0
USB version	2	2
Infrared port	—	Yes
Satellite navigation	GLONASS, GALILEO, BDS	GLONASS, GALILEO, BDS, QZSS
Features
Stereo speakers	Yes	No
3.5 mm headphone jack	No	No
Loudspeaker loudness	—	-26.8 LUFS
Fingerprint sensor	Side	Under display
Sensors	Fingerprint (side-mounted), accelerometer, proximity, compass	Fingerprint (under display, optical), accelerometer, gyro, compass, proximity
SAR (head)	—	0.99 W/kg
Software
OS at launch	Android 15	Android 14
Platform	Android	Android
Interface	—	HyperOS
EU label
Energy class	A	C
Battery charge cycles	1,600	1,000
Endurance per cycle	70 h	41 h
Repairability class	B	C
Drop resistance class	A	B