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  3. Moto G100S vs Y31

Motorola Moto G100S vs Vivo Y31

What Moto G100S does better (11) and where Y31 wins (6) — every spec side by side.

Motorola Moto G100S
Motorola · 2025Moto G100S
7.7Score
11 advantages≈ $130
Higher score
vs
Vivo Y31
Vivo · 2025Y31
7.4Score
6 advantages≈ $160
7.0Display6.2
5.8Camera4.6
8.1Battery8.4
6.8Features6.7
Dimensions

Size comparison

Moto G100SY31
76.5 × 166.28.677 × 166.18.4
Moto G100SY31Difference
Height166.2 mm166.1 mm+0.1 mm
Width76.5 mm77 mm−0.5 mm
Thickness8.6 mm8.4 mm+0.2 mm
Weight210 g209 g+1 g

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

Why is Moto G100S better than Y31?

  1. NFCYes · Y31: No
  2. Battery capacity7,000 mAh vs 6,500 mAh+8%
  3. Pixel density392 ppi vs 264 ppi+48%
  4. Rear cameras2 vs 12×
  5. Ultra-wide cameraYes · Y31: No
  6. 3.5 mm headphone jackYes · Y31: No
  7. CPU frequency2.4 GHz vs 2.2 GHz+9%
  8. Peak brightness1,050 nits vs 1,000 nits+5%
  9. Resolution (width)1,080 px vs 720 px+50%
  10. Bluetooth5.1 vs 4.2+21%
  11. Screen-to-body ratio85.8% vs 84%+2%

Why is Y31 better than Moto G100S?

  1. Water resistance (IPx)IPx4 vs IPx82×
  2. Storage (max)256 GB vs 512 GB2×
  3. Wired charging30 W vs 44 W+47%
  4. Memory card slotNo · Moto G100S: Yes
  5. Main camera aperturef/1.9 vs f/1.8+6%
  6. Thickness8.6 mm vs 8.4 mm+2%
Specifications

Side by side

Vivo Y31Vivo Y31≈ $1607.4
Design
Weight210 g209 g
Thickness8.6 mm8.4 mm
Height166.2 mm166.1 mm
Width76.5 mm77 mm
FramePlastic—
Ingress protectionIP64IP68
Water resistance (IPx)IPx4IPx8
Glass protection—Guardian Glass (ion-strengthened)
ColoursBlack, BlueRose Red, Diamond Green
Display
Screen size6.7″6.7″
PanelIPS LCDIPS LCD
OLED panelNoNo
Resolution (width)1,080 px720 px
Resolution (height)2,400 px1,608 px
Pixel density392 ppi264 ppi
Refresh rate120 Hz120 Hz
Peak brightness1,050 nits1,000 nits
Screen-to-body ratio85.8%84%
Performance
ChipsetQualcomm SM6435-AA Snapdragon 6s Gen 4Qualcomm SM4450 Snapdragon 4 Gen 2
Chip makerQualcommQualcomm
Process4 nm4 nm
CPU cores88
CPU frequency2.4 GHz2.2 GHz
GPUAdrenoAdreno 613
Memory
RAM8 GB8 GB
Storage (max)256 GB512 GB
Storage (base)128 GB128 GB
Storage type—eMMC 5.1
Memory card slotNoYes
Camera
Main camera50 MP50 MP
Main camera aperturef/1.9f/1.8
Main sensor size1/1.95"—
Rear cameras21
Optical stabilisationNoNo
Ultra-wide cameraYesNo
Telephoto cameraNoNo
Max video1080p1080p
Selfie camera8 MP8 MP
4K selfie videoNoNo
Battery
Battery capacity7,000 mAh6,500 mAh
Battery typeSi/CLi-Ion
Wired charging30 W44 W
Charged in 30 min—39%
Wireless chargingNoNo
Connectivity
5GYesYes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth5.14.2
NFCYesNo
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigationGLONASS, GALILEO, BDS, QZSSGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersYesYes
3.5 mm headphone jackYesNo
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
Interface—Funtouch 15

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