Oppo A91 vs Samsung Galaxy S27+

Samsung Galaxy S27+ wins clearly over Oppo A91 — 7.8 overall against 6.0. Samsung Galaxy S27+ has the bigger battery — 4,900 mAh against 4,025 mAh.

One of these devices is still rumored — its specs are not official yet and may change before launch.

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

Samsung Galaxy S27+: Based on announced specs — scored in 6 categories.

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
Overall winner

Samsung Galaxy S27+

Samsung · Phone Rumored

7.8/ 10 — Good

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

Full specs & details

Key highlights

HighlightOppo A91Samsung Galaxy S27+
ProcessorMediatek MT6771V Helio P70 (12nm)Exynos 2700 / Snapdragon 8 Elite Gen 6 Pro (for Galaxy)
Display6.4″ · OLED6.7″ · OLED · 120 Hz
Main camera—50 MP wide (OIS)
Battery4,025 mAh · 20W charging4,900 mAh · 45W charging
RAM / Storage4GB / 128GB12GB / 512GB

Which is better?

  • Samsung Galaxy S27+ wins clearly over Oppo A91 — 7.8 overall against 6.0.
  • Samsung Galaxy S27+ takes 4 of the 4 categories both phones are scored in.
  • Samsung Galaxy S27+ has the bigger battery — 4,900 mAh against 4,025 mAh.
  • Samsung Galaxy S27+ gives you the larger screen — 6.7 inches against 6.4 inches.
  • Samsung Galaxy S27+ charges faster — 45W wired against 20W.

Category scores

CategoryOppo A91Samsung Galaxy S27+
Performance5.58.0Better
Display6.48.6Better
Battery5.87.7Better
Design & Build6.2—
Software5.87.4Better
Audio6.5—
Camera—7.2
Call Quality—8.3

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

Reasons to consider

Samsung Galaxy S27+

  • More storage (512 GB vs 128 GB)
  • Faster charging (45W vs 20W)
  • More RAM (12 GB vs 8 GB)
  • Bigger battery (4,900 mAh vs 4,025 mAh)

Full specifications side by side

SpecificationOppo A91Samsung Galaxy S27+
Launch
Launch statusAvailableRumored
Release date20 Dec 2019—
Expected release window—2027
Platform
OSAndroidAndroid
OS versionAndroid 9.0 (Pie), ColorOS 6.1Android 17
Chipset (as published)Mediatek MT6771V Helio P70 (12nm)Exynos 2700 / Snapdragon 8 Elite Gen 6 Pro (for Galaxy)
CPUOcta-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)—
GPUMali-G72 MP3—
Samsung Galaxy S27+ wins clearly on Performance (5.5 vs 8.0)
Memory
Memory variants (RAM/storage)4 GB RAM + 128 GB · 8 GB RAM + 128 GB12 GB RAM + 256 GB · 12 GB RAM + 512 GB
Card slotDedicated slotNone
Display
Display size6.4″6.7″
Resolution1,080 × 2,400 pixels1,440 × 3,120 pixels
Panel typeOLEDOLED
Brightness (peak)430 nits—
Display protectionCorning Gorilla Glass 5—
Refresh rate—120 Hz
Samsung Galaxy S27+ wins clearly on Display (6.4 vs 8.6)
Battery
Battery capacity4,025 mAh4,900 mAh
Wired charging20W45W
Wireless charging—Yes
Samsung Galaxy S27+ wins clearly on Battery (5.8 vs 7.7)
Body & build
Dimensions160.2 × 73.3 × 7.9 mm—
Weight172 g—
MaterialsGlass, Plastic—
SIMDual SIM (Nano-SIM, dual stand-by)Nano-SIM + eSIM
Connectivity
BluetoothBluetooth 4.2Bluetooth 6
NFCNoYes
USBUSB Type-C 2.0, USB On-The-GoUSB Type-C 3.2
PositioningGPS, GLONASS, BDS—
Wi-Fi—Wi-Fi 7
Audio
3.5mm jackYes—
Camera
Front cameras16 MP wide (f/2)12 MP
Rear cameras—50 MP wide (OIS) · 12 MP ultrawide · 10 MP telephoto (OIS)
Video (max)—8K@30fps
Features
Sensors—Accelerometer, Gyroscope, Proximity, Compass, Barometer
Fingerprint—Ultrasonic (under-display)
Network
Network technologies—5G
Additional specifications
Main Camera · FeaturesLED flash, HDR, panoramaOIS, PDAF, LED flash
Selfie Camera · Single16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0m12 MP

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