Oppo A91 vs Karbonn Rebel

Oppo A91 vs Karbonn Rebel is too close to call — 6.0 overall against 5.7. The Oppo A91 launched in 2019; the Karbonn Rebel in 2026. Karbonn Rebel has the bigger battery — 7,000 mAh against 4,025 mAh.

Oppo A91: Specifications are still being confirmed — scores appear as data is verified.

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

Oppo A91

Oppo A91

Oppo · Phone

6.0/ 10 — Average

$319.19≈ €285 · ≈ £238≈ converted at today's rate · Buy on Amazon

Full specs & details
Karbonn Rebel

Karbonn Rebel

Karbonn · Phone

5.7/ 10 — Below average

Check price on Amazon.com · Amazon.de · Amazon.co.uk

Full specs & details

Key highlights

HighlightOppo A91Karbonn Rebel
ProcessorMediatek MT6771V Helio P70 (12nm)MediaTek Helio G81
Display6.4″ · OLED6.75″ · LCD (other) · 90 Hz
Main camera—50 MP
Battery4,025 mAh · 20W charging7,000 mAh · 18W charging
RAM / Storage4GB / 128GB6GB / 128GB

Which is better?

  • Oppo A91 vs Karbonn Rebel is too close to call — 6.0 overall against 5.7.
  • Oppo A91 takes 2 of the 4 categories both phones are scored in.
  • Karbonn Rebel has the bigger battery — 7,000 mAh against 4,025 mAh.
  • Karbonn Rebel gives you the larger screen — 6.8 inches against 6.4 inches.
  • Oppo A91 charges faster — 20W wired against 18W.

Category scores

CategoryOppo A91Karbonn Rebel
Performance5.5Better4.7
Display6.4Better5.0
Battery5.87.5Better
Design & Build6.2—
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

Oppo A91

  • More RAM (8 GB vs 6 GB)
  • Faster charging (20W vs 18W)

Karbonn Rebel

  • Bigger battery (7,000 mAh vs 4,025 mAh)
  • Larger display (6.75″ vs 6.4″)

Full specifications side by side

SpecificationOppo A91Karbonn Rebel
Launch
Launch statusAvailableAvailable
Release date20 Dec 20194 Nov 2026
Platform
OSAndroidAndroid
OS versionAndroid 9.0 (Pie), ColorOS 6.1Android 16
Chipset (as published)Mediatek MT6771V Helio P70 (12nm)MediaTek Helio G81
CPUOcta-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)—
GPUMali-G72 MP3—
Oppo A91 wins narrowly on Performance (5.5 vs 4.7)
Memory
Memory variants (RAM/storage)4 GB RAM + 128 GB · 8 GB RAM + 128 GB6 GB RAM + 128 GB
Card slotDedicated slot—
Display
Display size6.4″6.75″
Resolution1,080 × 2,400 pixels—
Panel typeOLEDLCD (other)
Brightness (peak)430 nits650 nits
Display protectionCorning Gorilla Glass 5—
Refresh rate—90 Hz
Oppo A91 wins clearly on Display (6.4 vs 5.0)
Battery
Battery capacity4,025 mAh7,000 mAh
Wired charging20W18W
Karbonn Rebel wins clearly on Battery (5.8 vs 7.5)
Body & build
Dimensions160.2 × 73.3 × 7.9 mm—
Weight172 g—
MaterialsGlass, Plastic—
SIMDual SIM (Nano-SIM, dual stand-by)—
Colours—Blue, Gold, Silver
Connectivity
BluetoothBluetooth 4.2—
NFCNo—
USBUSB Type-C 2.0, USB On-The-Go—
PositioningGPS, GLONASS, BDS—
Audio
3.5mm jackYes—
Camera
Front cameras16 MP wide (f/2)—
Rear cameras—50 MP
Network
Network technologies—2G, 3G, 4G

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