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UleFone Armor X16 vs Vivo Y400 4G

What Armor X16 does better (5) and where Y400 4G wins (14) — every spec side by side.

UleFone Armor X16
UleFone · 2025Armor X16
7.6Score
5 advantages≈ $220
vs
Vivo Y400 4G
Vivo · 2025Y400 4G
8.2Score
14 advantages≈ $220
Higher score
5.8Display8.4
5.0Camera4.6
8.6Battery8.2
7.6Features8.3
Dimensions

Size comparison

Armor X16Y400 4G
83.4 × 173.81875.3 × 162.37.9
Armor X16Y400 4GDifference
Height173.8 mm162.3 mm+11.5 mm
Width83.4 mm75.3 mm+8.1 mm
Thickness18 mm7.9 mm+10.1 mm
Weight395 g196 g+199 g

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

Why is Armor X16 better than Y400 4G?

  1. Battery capacity10,360 mAh vs 6,000 mAh+73%
  2. Memory card slotYes · Y400 4G: No
  3. Rear cameras2 vs 12×
  4. Selfie camera16 MP vs 8 MP2×
  5. 3.5 mm headphone jackYes · Y400 4G: No

Why is Y400 4G better than Armor X16?

  1. Weight395 g vs 196 g2×
  2. OLED panelNo · Armor X16: Yes
  3. Storage (max)128 GB vs 256 GB2×
  4. Stereo speakersNo · Armor X16: Yes
  5. Peak brightness910 nits vs 1,800 nits+98%
  6. RAM6 GB vs 8 GB+33%
  7. Wired charging33 W vs 44 W+33%
  8. Pixel density269 ppi vs 395 ppi+47%
  9. CPU frequency2 GHz vs 2.8 GHz+40%
  10. Main camera48 MP vs 50 MP+4%
  11. Thickness18 mm vs 7.9 mm2.3×
  12. Process12 nm vs 6 nm2×
Specifications

Side by side

Vivo Y400 4GVivo Y400 4G≈ $2208.2
Design
Weight395 g196 g
Thickness18 mm7.9 mm
Height173.8 mm162.3 mm
Width83.4 mm75.3 mm
Frame—Plastic
Back—Plastic
Ingress protectionIP68IP68
Water resistance (IPx)IPx8IPx8
Glass protectionCorning Gorilla Glass 5—
ColoursWasteland Shadow/Sand DunePurple Twilight, Tropical Green (Dynamic Green), Pearl White
Display
Screen size6.6″6.7″
PanelIPS LCDAMOLED
OLED panelNoYes
Resolution (width)720 px1,080 px
Resolution (height)1,612 px2,400 px
Pixel density269 ppi395 ppi
Refresh rate120 Hz120 Hz
Peak brightness910 nits1,800 nits
Screen-to-body ratio71.3%87.9%
Performance
ChipsetMediatek Helio G91Qualcomm SM6225 Snapdragon 685
Chip makerMediaTekQualcomm
Process12 nm6 nm
CPU cores88
CPU frequency2 GHz2.8 GHz
GPUMali-G52 MC2Adreno 610
Memory
RAM6 GB8 GB
Storage (max)128 GB256 GB
Storage (base)128 GB128 GB
Storage typeUFS 2.1UFS 2.2
Memory card slotYesNo
Camera
Main camera48 MP50 MP
Main camera aperturef/1.8f/1.8
Main sensor size—1/2.96"
Rear cameras21
Optical stabilisationNoNo
Ultra-wide cameraNoNo
Telephoto cameraNoNo
Max video1080p1080p
Selfie camera16 MP8 MP
4K selfie videoNoNo
Battery
Battery capacity10,360 mAh6,000 mAh
Battery typeLi-IonSi/C
Wired charging33 W44 W
Wireless chargingNoNo
Connectivity
5GYes—
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth55
NFCYesYes
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Infrared portYes—
Satellite navigationGLONASS, GALILEO, BDS, QZSSGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersNoYes
3.5 mm headphone jackYesNo
Fingerprint sensorSideUnder display
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Software
OS at launchAndroid 15Android 15
PlatformAndroidAndroid
Interface—Funtouch 15
EU label
Energy classA—
Battery charge cycles1,000—
Endurance per cycle117 h—
Repairability classC—
Drop resistance classA—
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