How we scoreBlogAdvertise
android.gsdevices · specs · comparisons
  1. android.gs
  2. Compare
  3. Spark 50 4G vs Y31d

Tecno Spark 50 4G vs Vivo Y31d

What Spark 50 4G does better (7) and where Y31d wins (5) — every spec side by side.

Tecno Spark 50 4G
Tecno · 2026Spark 50 4G
7.1Score
7 advantages
vs
Vivo Y31d
Vivo · 2026Y31d
7.5Score
5 advantages≈ $180
Higher score
6.2Display6.6
5.1Camera4.6
7.6Battery8.7
6.4Features6.3
Dimensions

Size comparison

Spark 50 4GY31d
79.2 × 167.88.278.4 × 166.68.4
Spark 50 4GY31dDifference
Height167.8 mm166.6 mm+1.2 mm
Width79.2 mm78.4 mm+0.8 mm
Thickness8.2 mm8.4 mm−0.2 mm
Weight210 g219 g−9 g

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

Why is Spark 50 4G better than Y31d?

  1. NFCYes · Y31d: No
  2. Memory card slotYes · Y31d: No
  3. 3.5 mm headphone jackYes · Y31d: No
  4. Weight210 g vs 219 g+4%
  5. Main camera aperturef/1.9 vs f/2+5%
  6. Bluetooth5.3 vs 5.1+4%
  7. Thickness8.2 mm vs 8.4 mm+2%

Why is Y31d better than Spark 50 4G?

  1. Wired charging18 W vs 44 W2.4×
  2. Water resistance (IPx)IPx4 vs IPx82×
  3. Battery capacity7,000 mAh vs 7,200 mAh+3%
  4. CPU frequency2 GHz vs 2.9 GHz+45%
  5. Screen-to-body ratio83.5% vs 85.3%+2%
Specifications

Side by side

Vivo Y31dVivo Y31d≈ $1807.5
Design
Weight210 g219 g
Thickness8.2 mm8.4 mm
Height167.8 mm166.6 mm
Width79.2 mm78.4 mm
FramePlasticPlastic
BackPlasticPlastic
Ingress protectionIP64IP68
Water resistance (IPx)IPx4IPx8
ColoursHalo Blue, Titanium Grey, Ink Black, Aurora Purple, Bloom PinkGlow White, Starlight Grey
Display
Screen size6.8″6.8″
PanelIPS LCDIPS LCD
OLED panelNoNo
Resolution (width)720 px720 px
Resolution (height)1,600 px1,570 px
Pixel density259 ppi256 ppi
Refresh rate120 Hz120 Hz
Peak brightness—1,250 nits
Screen-to-body ratio83.5%85.3%
Performance
ChipsetMediaTek Helio G81Qualcomm SM6225-AF Snapdragon 6s 4G Gen 2
Chip makerMediaTekQualcomm
Process—6 nm
CPU cores88
CPU frequency2 GHz2.9 GHz
GPUMali-G57 MC2Adreno
Memory
RAM8 GB8 GB
Storage (max)256 GB256 GB
Storage (base)128 GB128 GB
Storage typeUFS 2.2UFS 2.2
Memory card slotYesNo
Camera
Main camera50 MP50 MP
Main camera aperturef/1.9f/2
Rear cameras11
Optical stabilisationNoNo
Ultra-wide cameraNoNo
Telephoto cameraNoNo
Max video—1080p
Selfie camera8 MP8 MP
4K selfie videoNoNo
Battery
Battery capacity7,000 mAh7,200 mAh
Battery type—Si/C
Wired charging18 W44 W
Charged in 30 min—35%
Wireless chargingNoNo
Connectivity
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth5.35.1
NFCYesNo
USBUSB Type-CUSB Type-C 2.0
USB version—2
Satellite navigation—GLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersYesYes
3.5 mm headphone jackYesNo
Fingerprint sensorSideSide
SensorsFingerprint (side-mounted), gyroFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Software
OS at launchAndroid 16Android 16
PlatformAndroidAndroid
Interface—OriginOS 6
To compare: 0up to 4 models
Compare