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  3. A57 vs A78 4G

OPPO A57 vs OPPO A78 4G

What A57 does better (3) and where A78 4G wins (8) — every spec side by side.

OPPO A57
OPPO · 2022A57
5.3Score
3 advantages≈ $220
vs
OPPO A78 4G
OPPO · 2023A78 4G
6.6Score
8 advantages≈ $220
Higher score
4.5Display5.7
3.4Camera4.6
3.5Battery7.2
6.2Features5.5
Dimensions

Size comparison

A57A78 4G
75.1 × 163.8873.2 × 1607.9
A57A78 4GDifference
Height163.8 mm160 mm+3.8 mm
Width75.1 mm73.2 mm+1.9 mm
Thickness8 mm7.9 mm+0.1 mm
Weight186 g180 g+6 g

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

Why is A57 better than A78 4G?

  1. 5GYes · A78 4G: No
  2. Peak brightness600 nits vs 430 nits+40%
  3. Bluetooth5.2 vs 5+4%

Why is A78 4G better than A57?

  1. Main camera13 MP vs 50 MP3.8×
  2. Wired charging10 W vs 67 W6.7×
  3. OLED panelNo · A57: Yes
  4. NFCNo · A57: Yes
  5. Pixel density269 ppi vs 409 ppi+52%
  6. Weight186 g vs 180 g+3%
  7. Resolution (width)720 px vs 1,080 px+50%
  8. Main camera aperturef/2.2 vs f/1.8+22%
Specifications

Side by side

OPPO A57OPPO A57≈ $2205.3
OPPO A78 4GOPPO A78 4G≈ $2206.6
Design
Weight186 g180 g
Thickness8 mm7.9 mm
Height163.8 mm160 mm
Width75.1 mm73.2 mm
FramePlastic—
BackPlastic—
Ingress protection—IP54
Water resistance (IPx)—IPx4
Glass protection—Corning Gorilla Glass 5
ColoursBlack, Blue, LilacMist Black, Aqua Green
Display
Screen size6.6″6.4″
PanelIPS LCDAMOLED
OLED panelNoYes
Resolution (width)720 px1,080 px
Resolution (height)1,612 px2,400 px
Pixel density269 ppi409 ppi
Refresh rate90 Hz90 Hz
Peak brightness600 nits430 nits
Measured brightness761 nits—
Screen-to-body ratio84%85.2%
Performance
ChipsetMediatek Dimensity 810Qualcomm SM6225 Snapdragon 680 4G
Chip makerMediaTekQualcomm
Process6 nm6 nm
CPU cores88
CPU frequency2.4 GHz2.4 GHz
GPUMali-G57 MC2Adreno 610
Memory
RAM8 GB8 GB
Storage (max)256 GB256 GB
Storage (base)128 GB128 GB
Storage typeUFS 2.1—
Memory card slotYesYes
Camera
Main camera13 MP50 MP
Main camera aperturef/2.2f/1.8
Main sensor size1/3.06"—
Rear cameras11
Optical stabilisationNoNo
Ultra-wide cameraNoNo
Telephoto cameraNoNo
Max video1080p1080p
Selfie camera8 MP8 MP
4K selfie videoNoNo
Battery
Battery capacity5,000 mAh5,000 mAh
Battery typeLi-PoLi-Po
Wired charging10 W67 W
Charged in 30 min—76%
Wireless chargingNoNo
Connectivity
5GYesNo
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth5.25
NFCNoYes
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigationGLONASS, GALILEO, BDS, QZSSGLONASS, GALILEO, BDS
Features
Stereo speakersYesYes
3.5 mm headphone jackYesYes
Fingerprint sensorSideUnder display
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Software
OS at launchAndroid 12Android 13
PlatformAndroidAndroid
InterfaceColorOS 12.1ColorOS 13.1
To compare: 0up to 4 models
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