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OPPO A55 vs Samsung Galaxy M12 (India)

What A55 does better (9) and where Galaxy M12 (India) wins (5) — every spec side by side.

OPPO A55
OPPO · 2021A55
5.4Score
9 advantages≈ $140
Higher score
vs
Samsung Galaxy M12 (India)
Samsung · 2021Galaxy M12 (India)
5.4Score
5 advantages≈ $140
3.6Display4.5
5.5Camera5.3
4.6Battery6.6
5.0Features2.4
Dimensions

Size comparison

A55Galaxy M12 (India)
75.7 × 163.68.475.9 × 1649.7
A55Galaxy M12 (India)Difference
Height163.6 mm164 mm−0.4 mm
Width75.7 mm75.9 mm−0.2 mm
Thickness8.4 mm9.7 mm−1.3 mm
Weight193 g221 g−28 g

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

Why is A55 better than Galaxy M12 (India)?

  1. NFCYes · Galaxy M12 (India): No
  2. Wired charging18 W vs 15 W+20%
  3. Main camera50 MP vs 48 MP+4%
  4. Selfie camera16 MP vs 8 MP2×
  5. CPU frequency2.3 GHz vs 2 GHz+15%
  6. Weight193 g vs 221 g+15%
  7. Wi-Fi standardWi-Fi 5 vs Wi-Fi 4+25%
  8. Thickness8.4 mm vs 9.7 mm+15%
  9. Main camera aperturef/1.8 vs f/2+11%

Why is Galaxy M12 (India) better than A55?

  1. Refresh rate60 Hz vs 90 Hz+50%
  2. Battery capacity5,000 mAh vs 6,000 mAh+20%
  3. Rear cameras1 vs 22×
  4. Ultra-wide cameraNo · A55: Yes
  5. Process12 nm vs 8 nm+50%
Specifications

Side by side

OPPO A55OPPO A55≈ $1405.4
Design
Weight193 g221 g
Thickness8.4 mm9.7 mm
Height163.6 mm164 mm
Width75.7 mm75.9 mm
Frame—Plastic
Back—Plastic
Glass protectionNEG T2X-1—
ColoursRainbow Blue, Starry Black, GreenAttractive Black, Elegant Blue, Trendy Emerald Green
Display
Screen size6.5″6.5″
PanelIPS LCDPLS LCD
OLED panelNoNo
Resolution (width)720 px720 px
Resolution (height)1,600 px1,600 px
Pixel density270 ppi270 ppi
Refresh rate60 Hz90 Hz
Peak brightness550 nits—
Screen-to-body ratio82.6%81.9%
Performance
ChipsetMediatek MT6765G Helio G35Exynos 850
Chip makerMediaTekExynos
Process12 nm8 nm
CPU cores88
CPU frequency2.3 GHz2 GHz
GPUPowerVR GE8320Mali-G52
Memory
RAM6 GB6 GB
Storage (max)128 GB128 GB
Storage (base)64 GB64 GB
Storage type—eMMC 5.1
Memory card slotYesYes
Camera
Main camera50 MP48 MP
Main camera aperturef/1.8f/2
Main sensor size—1/2.0"
Rear cameras12
Optical stabilisationNoNo
Ultra-wide cameraNoYes
Telephoto cameraNoNo
Max video1080p1080p
Selfie camera16 MP8 MP
4K selfie videoNoNo
Battery
Battery capacity5,000 mAh6,000 mAh
Battery typeLi-PoLi-Po
Wired charging18 W15 W
Wireless chargingNoNo
Connectivity
5GNoNo
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 4
Bluetooth55
NFCYesNo
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigationGLONASS, GALILEO, BDS, QZSSGLONASS, GALILEO, BDS
Features
Stereo speakersNoNo
3.5 mm headphone jackYesYes
Fingerprint sensorSideSide
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (side-mounted), accelerometer
SAR (head)—0.54 W/kg
Software
OS at launchAndroid 11Android 11
PlatformAndroidAndroid
InterfaceColorOS 11.1One UI 3.1
To compare: 0up to 4 models
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