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  3. Moto G31 vs A55

Motorola Moto G31 vs OPPO A55

What Moto G31 does better (7) and where A55 wins (4) — every spec side by side.

Motorola Moto G31
Motorola · 2021Moto G31
5.2Score
7 advantages≈ $130
vs
OPPO A55
OPPO · 2021A55
5.4Score
4 advantages≈ $140
Higher score
5.8Display3.6
7.6Camera5.5
3.5Battery4.6
4.1Features5.0
Dimensions

Size comparison

Moto G31A55
73.9 × 161.98.675.7 × 163.68.4
Moto G31A55Difference
Height161.9 mm163.6 mm−1.7 mm
Width73.9 mm75.7 mm−1.8 mm
Thickness8.6 mm8.4 mm+0.2 mm
Weight181 g193 g−12 g

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

Why is Moto G31 better than A55?

  1. OLED panelYes · A55: No
  2. Pixel density411 ppi vs 270 ppi+52%
  3. Peak brightness700 nits vs 550 nits+27%
  4. Rear cameras2 vs 12×
  5. Ultra-wide cameraYes · A55: No
  6. Weight181 g vs 193 g+7%
  7. Resolution (width)1,080 px vs 720 px+50%

Why is A55 better than Moto G31?

  1. Wired charging10 W vs 18 W+80%
  2. CPU frequency2 GHz vs 2.3 GHz+15%
  3. Selfie camera13 MP vs 16 MP+23%
  4. Thickness8.6 mm vs 8.4 mm+2%
Specifications

Side by side

OPPO A55OPPO A55≈ $1405.4
Design
Weight181 g193 g
Thickness8.6 mm8.4 mm
Height161.9 mm163.6 mm
Width73.9 mm75.7 mm
FramePlastic—
BackPlastic—
Ingress protectionIP52—
Water resistance (IPx)IPx2—
Glass protection—NEG T2X-1
ColoursMineral Grey, Baby BlueRainbow Blue, Starry Black, Green
Display
Screen size6.4″6.5″
PanelAMOLEDIPS LCD
OLED panelYesNo
Resolution (width)1,080 px720 px
Resolution (height)2,400 px1,600 px
Pixel density411 ppi270 ppi
Refresh rate60 Hz60 Hz
Peak brightness700 nits550 nits
Measured brightness423 nits—
Screen-to-body ratio82.7%82.6%
Performance
ChipsetMediatek MT6769Z Helio G85Mediatek MT6765G Helio G35
Chip makerMediaTekMediaTek
Process12 nm12 nm
CPU cores88
CPU frequency2 GHz2.3 GHz
GPUMali-G52 MC2PowerVR GE8320
AnTuTu score294,541—
Geekbench 6 (multi-core)1,319—
3DMark Wild Life Extreme181—
Memory
RAM6 GB6 GB
Storage (max)128 GB128 GB
Storage (base)64 GB64 GB
Storage typeeMMC 5.1—
Memory card slotYesYes
Camera
Main camera50 MP50 MP
Main camera aperturef/1.8f/1.8
Main sensor size1/2.76"—
Rear cameras21
Optical stabilisationNoNo
Ultra-wide cameraYesNo
Telephoto cameraNoNo
Optical zoom8×—
Max video1080p1080p
Selfie camera13 MP16 MP
4K selfie videoNoNo
Battery
Battery capacity5,000 mAh5,000 mAh
Battery typeLi-PoLi-Po
Wired charging10 W18 W
Charged in 30 min23%—
Wireless chargingNoNo
Connectivity
5GNoNo
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth55
NFCYesYes
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigationGLONASS, GALILEOGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersNoNo
3.5 mm headphone jackYesYes
Fingerprint sensorSideSide
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, proximity, compass
Software
OS at launchAndroid 11Android 11
PlatformAndroidAndroid
Interface—ColorOS 11.1
To compare: 0up to 4 models
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