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Infinix Note 50x vs Vivo Y31

What Note 50x does better (9) and where Y31 wins (4) — every spec side by side.

Infinix Note 50x
Infinix · 2025Note 50x
7.0Score
9 advantages≈ $140
vs
Vivo Y31
Vivo · 2025Y31
7.4Score
4 advantages≈ $160
Higher score
5.4Display6.2
5.4Camera4.6
8.0Battery8.4
4.7Features6.7
Dimensions

Size comparison

Note 50xY31
76.4 × 165.4877 × 166.18.4
Note 50xY31Difference
Height165.4 mm166.1 mm−0.7 mm
Width76.4 mm77 mm−0.6 mm
Thickness8 mm8.4 mm−0.4 mm
Weight195 g209 g−14 g

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

Why is Note 50x better than Y31?

  1. Wired charging45 W vs 44 W+2%
  2. Max video4K vs 1080p
  3. CPU frequency2.5 GHz vs 2.2 GHz+14%
  4. Weight195 g vs 209 g+7%
  5. Bluetooth5.4 vs 4.2+29%
  6. Charged in 30 min50% vs 39%+28%
  7. Wi-Fi standardWi-Fi 6 vs Wi-Fi 5+20%
  8. Main camera aperturef/1.6 vs f/1.8+12%
  9. Thickness8 mm vs 8.4 mm+5%

Why is Y31 better than Note 50x?

  1. Water resistance (IPx)IPx4 vs IPx82×
  2. Storage (max)256 GB vs 512 GB2×
  3. Battery capacity5,500 mAh vs 6,500 mAh+18%
  4. Peak brightness560 nits vs 1,000 nits+79%
Specifications

Side by side

Infinix Note 50xInfinix Note 50x≈ $1407.0
Vivo Y31Vivo Y31≈ $1607.4
Design
Weight195 g209 g
Thickness8 mm8.4 mm
Height165.4 mm166.1 mm
Width76.4 mm77 mm
FramePlastic—
BackPlastic—
Ingress protectionIP64IP68
Water resistance (IPx)IPx4IPx8
Glass protection—Guardian Glass (ion-strengthened)
ColoursTitanium Gray, Enchanted Purple, Sea Breeze Green, Sunset Spice PinkRose Red, Diamond Green
Display
Screen size6.7″6.7″
PanelIPS LCDIPS LCD
OLED panelNoNo
Resolution (width)720 px720 px
Resolution (height)1,600 px1,608 px
Pixel density263 ppi264 ppi
Refresh rate120 Hz120 Hz
Peak brightness560 nits1,000 nits
Screen-to-body ratio85%84%
Performance
ChipsetMediatek Dimensity 7300 UltimateQualcomm SM4450 Snapdragon 4 Gen 2
Chip makerMediaTekQualcomm
Process4 nm4 nm
CPU cores88
CPU frequency2.5 GHz2.2 GHz
GPUMali-G615 MC2Adreno 613
AnTuTu score847,731—
Geekbench 6 (multi-core)2,718—
Memory
RAM8 GB8 GB
Storage (max)256 GB512 GB
Storage (base)128 GB128 GB
Storage typeUFS 2.2eMMC 5.1
Memory card slotYesYes
Camera
Main camera50 MP50 MP
Main camera aperturef/1.6f/1.8
Rear cameras11
Optical stabilisationNoNo
Ultra-wide cameraNoNo
Telephoto cameraNoNo
Max video4K1080p
4K video frame rate30 fps—
Selfie camera8 MP8 MP
4K selfie videoNoNo
Battery
Battery capacity5,500 mAh6,500 mAh
Battery typeLi-PoLi-Ion
Wired charging45 W44 W
Charged in 30 min50%39%
Wireless chargingNoNo
Connectivity
5GYesYes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 6Wi-Fi 5
Bluetooth5.44.2
NFCNoNo
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Infrared portYes—
Satellite navigationGLONASS, GALILEO, BDSGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersYesYes
3.5 mm headphone jackNoNo
Fingerprint sensorSideSide
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, proximity, compass
SAR (head)—1.13 W/kg
Software
OS at launchAndroid 15Android 15
PlatformAndroidAndroid
InterfaceXOS 15Funtouch 15
Major OS updates promised2—
To compare: 0up to 4 models
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