vivo Y31 vs Karbonn Rebel

vivo Y31 vs Karbonn Rebel is too close to call — 5.6 overall against 5.7. The vivo Y31 launched in 2021; the Karbonn Rebel in 2026. Karbonn Rebel has the bigger battery — 7,000 mAh against 5,000 mAh.

vivo Y31: Specifications are still being confirmed — scores appear as data is verified.

Karbonn Rebel: Limited confirmed specifications — categories without real data are not scored.

vivo Y31

vivo Y31

vivo · Phone

5.6/ 10 — Below average

$16,490≈ €14,636 · ≈ £12,215≈ converted at today's rate · Buy on Amazon

Full specs & details
Karbonn Rebel

Karbonn Rebel

Karbonn · Phone

5.7/ 10 — Below average

Full specs & details

Key highlights

Highlightvivo Y31Karbonn Rebel
ProcessorQualcomm SM6115 Snapdragon 662 (11 nm)MediaTek Helio G81
Display6.58″ · IPS LCD6.75″ · LCD (other) · 90 Hz
Main camera—50 MP
Battery5,000 mAh · 18W charging7,000 mAh · 18W charging
RAM / Storage6GB / 128GB6GB / 128GB

Which is better?

  • vivo Y31 vs Karbonn Rebel is too close to call — 5.6 overall against 5.7.
  • Karbonn Rebel takes 2 of the 4 categories both phones are scored in.
  • Karbonn Rebel has the bigger battery — 7,000 mAh against 5,000 mAh.

Category scores

Categoryvivo Y31Karbonn Rebel
Performance3.84.7Better
Display6.4Better5.0
Battery6.87.5Better
Software5.8Tie6.0Tie
Audio6.5—
Camera—5.7
Call Quality—6.2

Open the interactive comparisonRadar chart, winner highlights and a differences-only view.

Reasons to consider

Karbonn Rebel

  • Bigger battery (7,000 mAh vs 5,000 mAh)
  • Larger display (6.75″ vs 6.58″)

Full specifications side by side

Specificationvivo Y31Karbonn Rebel
Launch
Launch statusAvailableAvailable
Release date20 Jan 20214 Nov 2026
Platform
OSAndroidAndroid
OS versionAndroid 11, Funtouch 11Android 16
ChipsetSnapdragon 662—
Chipset (as published)Qualcomm SM6115 Snapdragon 662 (11 nm)MediaTek Helio G81
CPUOcta-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)—
GPUAdreno 610—
Karbonn Rebel wins narrowly on Performance (3.8 vs 4.7)
Memory
Memory variants (RAM/storage)6 GB RAM + 128 GB6 GB RAM + 128 GB
Card slotDedicated slot—
Display
Display size6.58″6.75″
Resolution1,080 × 2,408 pixels—
Panel typeIPS LCDLCD (other)
Refresh rate—90 Hz
Brightness (peak)—650 nits
vivo Y31 wins clearly on Display (6.4 vs 5.0)
Battery
Battery capacity5,000 mAh7,000 mAh
Wired charging18W18W
Karbonn Rebel wins narrowly on Battery (6.8 vs 7.5)
Body & build
Dimensions163.9 × 75.3 × 8.4 mm—
Weight188 g—
SIMDual SIM (Nano-SIM, dual stand-by)—
Colours—Blue, Gold, Silver
Connectivity
BluetoothBluetooth 5—
NFCNo—
USBUSB Type-C 2.0, USB On-The-Go—
PositioningGPS, GLONASS, GALILEO, BDS—
Audio
3.5mm jackYes—
Camera
Front cameras16 MP wide (f/2, 1/3.06")—
Rear cameras—50 MP
Network
Network technologies—2G, 3G, 4G
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