How we scoreBlogAdvertise
android.gsdevices · specs · comparisons
  1. android.gs
  2. Compare
  3. Galaxy A18 4G vs G100x

Samsung Galaxy A18 4G vs Umidigi G100x

What Galaxy A18 4G does better (15) and where G100x wins (5) — every spec side by side.

Samsung Galaxy A18 4G
Samsung · 2026Galaxy A18 4G
6.4Score
15 advantages≈ $240
Higher score
vs
Umidigi G100x
Umidigi · 2026G100x
5.5Score
5 advantages
7.0Display5.4
6.2Camera3.8
4.9Battery6.8
5.7Features2.8
Dimensions

Size comparison

Galaxy A18 4GG100x
77.9 × 164.47.778 × 1718.1
Galaxy A18 4GG100xDifference
Height164.4 mm171 mm−6.6 mm
Width77.9 mm78 mm−0.1 mm
Thickness7.7 mm8.1 mm−0.4 mm
Weight196 g193 g+3 g

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

Why is Galaxy A18 4G better than G100x?

  1. Main camera50 MP vs 32 MP+56%
  2. OLED panelYes · G100x: No
  3. Storage (max)256 GB vs 128 GB2×
  4. NFCYes · G100x: No
  5. Peak brightness800 nits vs 450 nits+78%
  6. Wired charging25 W vs 20 W+25%
  7. Pixel density385 ppi vs 260 ppi+48%
  8. Process5 nm vs 12 nm2.4×
  9. Water resistance (IPx)IPx4 vs IPx3+33%
  10. Rear cameras2 vs 12×
  11. Ultra-wide cameraYes · G100x: No
  12. CPU frequency2.4 GHz vs 2 GHz+20%

Why is G100x better than Galaxy A18 4G?

  1. Refresh rate90 Hz vs 120 Hz+33%
  2. Battery capacity5,000 mAh vs 5,200 mAh+4%
  3. Storage (base)64 GB vs 128 GB2×
  4. 3.5 mm headphone jackNo · Galaxy A18 4G: Yes
  5. Screen size6.7″ vs 6.9″+3%
Specifications

Side by side

Design
Weight196 g193 g
Thickness7.7 mm8.1 mm
Height164.4 mm171 mm
Width77.9 mm78 mm
FramePlasticPlastic
BackPlasticPlastic
Ingress protectionIP64IP53
Water resistance (IPx)IPx4IPx3
Glass protectionCorning Gorilla Glass 3—
ColoursBlack, Gray, Light blueSand Black, Sand Silver, Sand Green
Display
Screen size6.7″6.9″
PanelSuper AMOLEDIPS LCD
OLED panelYesNo
Resolution (width)1,080 px720 px
Resolution (height)2,340 px1,640 px
Pixel density385 ppi260 ppi
Refresh rate90 Hz120 Hz
Peak brightness800 nits450 nits
Measured brightness775 nits—
Screen-to-body ratio86%84.8%
HDRYes—
Performance
ChipsetExynos 1610Mediatek Helio G81
Chip makerExynosMediaTek
Process5 nm12 nm
CPU cores88
CPU frequency2.4 GHz2 GHz
GPUMali-G68Mali-G52 MC2
AnTuTu score483,061—
Geekbench 6 (multi-core)2,144—
3DMark Wild Life Extreme384—
Memory
RAM4 GB4 GB
Storage (max)256 GB128 GB
Storage (base)64 GB128 GB
Storage typeUFS 2.2—
Memory card slotYesYes
Camera
Main camera50 MP32 MP
Main camera aperturef/1.8—
Main sensor size1/2.76"—
Rear cameras21
Optical stabilisationNoNo
Ultra-wide cameraYesNo
Telephoto cameraNoNo
Max video1080p1080p
Selfie camera13 MP8 MP
4K selfie videoNoNo
Battery
Battery capacity5,000 mAh5,200 mAh
Battery typeLi-Ion—
Active use (test)13.2 h—
Wired charging25 W20 W
Charged in 30 min50%—
Wireless chargingNoNo
Connectivity
5GNoNo
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth5.35.2
NFCYesNo
USBUSB Type-C 2.0USB Type-C
USB version2—
Satellite navigationGLONASS, GALILEO, BDS, QZSSGLONASS, GALILEO, BDS
Features
Stereo speakersNoNo
3.5 mm headphone jackNoYes
Loudspeaker loudness-25.8 LUFS—
Fingerprint sensorSideSide
SensorsFingerprint (side-mounted), accelerometer, gyro, compassFingerprint (side-mounted), accelerometer, proximity, compass
SAR (head)0.54 W/kg—
Software
OS at launchAndroid 17Android 15
PlatformAndroidAndroid
InterfaceOne UI 9—
Major OS updates promised6—
EU label
Energy classA—
Battery charge cycles1,200—
Endurance per cycle51 h—
Repairability classC—
Drop resistance classB—
To compare: 0up to 4 models
Compare