How we scoreBlogAdvertise
android.gsdevices · specs · comparisons
  1. android.gs
  2. Compare
  3. Smart 20 vs A75x

Infinix Smart 20 vs Umidigi A75x

What Smart 20 does better (12) and where A75x wins (1) — every spec side by side.

Infinix Smart 20
Infinix · 2026Smart 20
5.9Score
12 advantages
Higher score
vs
Umidigi A75x
Umidigi · 2026A75x
4.5Score
1 advantage
5.9Display4.8
3.2Camera2.7
5.8Battery3.5
4.5Features2.8
Dimensions

Size comparison

Smart 20A75x
78.8 × 167.77.778 × 168.38.1
Smart 20A75xDifference
Height167.7 mm168.3 mm−0.6 mm
Width78.8 mm78 mm+0.8 mm
Thickness7.7 mm8.1 mm−0.4 mm
Weight185 g190 g−5 g

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

Why is Smart 20 better than A75x?

  1. Wired charging15 W vs 10 W+50%
  2. Storage (max)128 GB vs 64 GB2×
  3. NFCYes · A75x: No
  4. Refresh rate120 Hz vs 90 Hz+33%
  5. Battery capacity5,200 mAh vs 5,000 mAh+4%
  6. Peak brightness700 nits vs 550 nits+27%
  7. CPU frequency2 GHz vs 1.6 GHz+25%
  8. Process12 nm vs 22 nm+83%
  9. Weight185 g vs 190 g+3%
  10. Selfie camera8 MP vs 5 MP+60%
  11. Wi-Fi standardWi-Fi 5 vs Wi-Fi 4+25%
  12. Thickness7.7 mm vs 8.1 mm+5%

Why is A75x better than Smart 20?

  1. Main camera8 MP vs 13 MP+62%
Specifications

Side by side

Design
Weight185 g190 g
Thickness7.7 mm8.1 mm
Height167.7 mm168.3 mm
Width78.8 mm78 mm
FramePlasticPlastic
BackPlasticPlastic
Ingress protectionIP64IP54
Water resistance (IPx)IPx4IPx4
ColoursShadow Black, Cloudline Blue, Polaris Titanium, Sunlike OrangeBlack, Titanium, Cyan, Green
Display
Screen size6.8″6.8″
PanelIPS LCDIPS LCD
OLED panelNoNo
Resolution (width)720 px720 px
Resolution (height)1,576 px1,600 px
Pixel density259 ppi260 ppi
Refresh rate120 Hz90 Hz
Peak brightness700 nits550 nits
Screen-to-body ratio82.9%83.8%
Performance
ChipsetMediatek Helio G81 UltimateUnisoc SC9863A1
Chip makerMediaTekUnisoc
Process12 nm22 nm
CPU cores88
CPU frequency2 GHz1.6 GHz
GPUMali-G52 MC2IMG8322
Memory
RAM4 GB4 GB
Storage (max)128 GB64 GB
Storage (base)64 GB64 GB
Storage typeeMMC 5.1—
Memory card slotYesYes
Camera
Main camera8 MP13 MP
Main camera aperturef/2—
Main sensor size1/4.0"—
Rear cameras11
Optical stabilisationNoNo
Ultra-wide cameraNoNo
Telephoto cameraNoNo
Max video1080p1080p
Selfie camera8 MP5 MP
4K selfie videoNoNo
Battery
Battery capacity5,200 mAh5,000 mAh
Wired charging15 W10 W
Wireless chargingNoNo
Connectivity
5GNoNo
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 4
Bluetooth—4.2
NFCYesNo
USBUSB Type-C 2.0USB Type-C
USB version2—
Satellite navigation—GLONASS, GALILEO, BDS
Features
Stereo speakersNoNo
3.5 mm headphone jackYesYes
Fingerprint sensorSideSide
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (side-mounted), accelerometer, proximity, compass
Software
OS at launchAndroid 16Android 16 (Go edition)
PlatformAndroidAndroid
InterfaceXOS 16—
To compare: 0up to 4 models
Compare