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OPPO A17 vs Realme C21

What A17 does better (8) and where C21 wins (0) — every spec side by side.

OPPO A17
OPPO · 2022A17
4.9Score
8 advantages≈ $420
Higher score
vs
Realme C21
Realme · 2021C21
4.1Score
0 advantages≈ $440
3.6Display2.4
4.1Camera2.7
5.6Battery3.5
3.2Features2.4
Dimensions

Size comparison

A17C21
75.6 × 164.28.376.4 × 165.28.9
A17C21Difference
Height164.2 mm165.2 mm−1 mm
Width75.6 mm76.4 mm−0.8 mm
Thickness8.3 mm8.9 mm−0.6 mm
Weight189 g190 g−1 g

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

Why is A17 better than C21?

  1. Main camera50 MP vs 13 MP3.8×
  2. RAM6 GB vs 4 GB+50%
  3. Storage (max)128 GB vs 64 GB2×
  4. Storage (base)64 GB vs 32 GB2×
  5. Wi-Fi standardWi-Fi 5 vs Wi-Fi 4+25%
  6. Main camera aperturef/1.8 vs f/2.2+22%
  7. Thickness8.3 mm vs 8.9 mm+7%
  8. Screen-to-body ratio83.3% vs 80.8%+3%

Why is C21 better than A17?

C21 has no measurable advantages in this pair.

Specifications

Side by side

OPPO A17OPPO A17≈ $4204.9
Realme C21Realme C21≈ $4404.1
Design
Weight189 g190 g
Thickness8.3 mm8.9 mm
Height164.2 mm165.2 mm
Width75.6 mm76.4 mm
Frame—Plastic
Back—Plastic
Ingress protectionIPX4—
Water resistance (IPx)IPx4—
Glass protection—Corning Gorilla Glass 3
ColoursMidnight Black, Lake Blue, Sunlight OrangeCross Black, Cross Blue
Display
Screen size6.6″6.5″
PanelIPS LCDIPS LCD
OLED panelNoNo
Resolution (width)720 px720 px
Resolution (height)1,612 px1,600 px
Pixel density269 ppi270 ppi
Refresh rate60 Hz60 Hz
Peak brightness—400 nits
Screen-to-body ratio83.3%80.8%
Performance
ChipsetMediatek MT6765 Helio G35Mediatek MT6765G Helio G35
Chip makerMediaTekMediaTek
Process12 nm12 nm
CPU cores88
CPU frequency2.3 GHz2.3 GHz
GPUPowerVR GE8320PowerVR GE8320
Memory
RAM6 GB4 GB
Storage (max)128 GB64 GB
Storage (base)64 GB32 GB
Storage typeeMMC 5.1eMMC 5.1
Memory card slotYesYes
Camera
Main camera50 MP13 MP
Main camera aperturef/1.8f/2.2
Main sensor size—1/3.06"
Rear cameras11
Optical stabilisationNoNo
Ultra-wide cameraNoNo
Telephoto cameraNoNo
Max video1080p1080p
Selfie camera5 MP5 MP
4K selfie videoNoNo
Battery
Battery capacity5,000 mAh5,000 mAh
Battery typeLi-Po—
Wired charging—10 W
Wireless chargingNoNo
Connectivity
5GNoNo
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 4
Bluetooth—5
NFCNoNo
USBmicroUSB 2.0microUSB 2.0
Satellite navigation—GLONASS, BDS
Features
Stereo speakersNoNo
3.5 mm headphone jackYesYes
Fingerprint sensorSideRear
SensorsFingerprint (side-mounted), accelerometer, proximityFingerprint (rear-mounted), accelerometer, proximity, compass
Software
OS at launchAndroid 12Android 10
PlatformAndroidAndroid
InterfaceColorOS 12.1—
To compare: 0up to 4 models
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