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  3. Armor 8 Pro vs Y51a

UleFone Armor 8 Pro vs Vivo Y51a

What Armor 8 Pro does better (2) and where Y51a wins (15) — every spec side by side.

UleFone Armor 8 Pro
UleFone · 2021Armor 8 Pro
5.6Score
2 advantages≈ $210
Higher score
vs
Vivo Y51a
Vivo · 2021Y51a
5.5Score
15 advantages≈ $220
3.0Display4.6
3.7Camera6.5
6.3Battery4.6
6.0Features3.9
Dimensions

Size comparison

Armor 8 ProY51a
81.8 × 1661575.3 × 163.98.4
Armor 8 ProY51aDifference
Height166 mm163.9 mm+2.1 mm
Width81.8 mm75.3 mm+6.5 mm
Thickness15 mm8.4 mm+6.6 mm
Weight282 g188 g+94 g

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

Why is Armor 8 Pro better than Y51a?

  1. NFCYes · Y51a: No
  2. Battery capacity5,580 mAh vs 5,000 mAh+12%

Why is Y51a better than Armor 8 Pro?

  1. Main camera16 MP vs 48 MP3×
  2. Wired charging15 W vs 18 W+20%
  3. Weight282 g vs 188 g+50%
  4. Pixel density282 ppi vs 401 ppi+42%
  5. Rear cameras1 vs 22×
  6. Ultra-wide cameraNo · Armor 8 Pro: Yes
  7. Max video1080p vs 4K
  8. Selfie camera8 MP vs 16 MP2×
  9. Thickness15 mm vs 8.4 mm+79%
  10. Screen size6.1″ vs 6.6″+8%
  11. Resolution (width)720 px vs 1,080 px+50%
  12. Screen-to-body ratio67.3% vs 84.5%+26%
Specifications

Side by side

Vivo Y51aVivo Y51a≈ $2205.5
Design
Weight282 g188 g
Thickness15 mm8.4 mm
Height166 mm163.9 mm
Width81.8 mm75.3 mm
FrameAluminium—
BackAluminium—
Ingress protectionIP68—
Water resistance (IPx)IPx8—
Glass protectionScratch-resistant glass, oleophobic coating—
ColoursBlack, Orange, RedTitanium Sapphire, Crystal Symphony
Display
Screen size6.1″6.6″
PanelIPS LCDIPS LCD
OLED panelNoNo
Resolution (width)720 px1,080 px
Resolution (height)1,560 px2,408 px
Pixel density282 ppi401 ppi
Refresh rate60 Hz60 Hz
Screen-to-body ratio67.3%84.5%
Performance
ChipsetMediatek MT6771 Helio P60Qualcomm SM6115 Snapdragon 662
Chip makerMediaTekQualcomm
Process12 nm11 nm
CPU cores88
CPU frequency2 GHz2 GHz
GPUMali-G72 MP3Adreno 610
Memory
RAM8 GB8 GB
Storage (max)128 GB128 GB
Storage (base)128 GB128 GB
Memory card slotYesYes
Camera
Main camera16 MP48 MP
Main camera aperturef/2.2f/1.8
Main sensor size—1/2.0"
Rear cameras12
Optical stabilisationNoNo
Ultra-wide cameraNoYes
Telephoto cameraNoNo
Max video1080p4K
4K video frame rate—30 fps
Selfie camera8 MP16 MP
4K selfie videoNoNo
Battery
Battery capacity5,580 mAh5,000 mAh
Battery typeLi-Po—
Wired charging15 W18 W
Wireless chargingNoNo
Connectivity
5GNo—
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth4.25
NFCYesNo
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigationGLONASS, GALILEO, BDSGLONASS, GALILEO, BDS
Features
Stereo speakersNoNo
3.5 mm headphone jackYesYes
Fingerprint sensorSideSide
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
SAR (head)—0.87 W/kg
Software
OS at launchAndroid 11Android 11
PlatformAndroidAndroid
Interface—Funtouch 12
To compare: 0up to 4 models
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