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  3. C100x vs Galaxy A18 4G

Realme C100x vs Samsung Galaxy A18 4G

What C100x does better (8) and where Galaxy A18 4G wins (12) — every spec side by side.

Realme C100x
Realme · 2026C100x
6.3Score
8 advantages≈ $250
vs
Samsung Galaxy A18 4G
Samsung · 2026Galaxy A18 4G
6.4Score
12 advantages≈ $240
Higher score
6.3Display7.0
2.7Performance3.9
4.1Camera6.3
9.0Battery4.9
4.5Features5.7
Dimensions

Size comparison

C100xGalaxy A18 4G
78.2 × 166.58.677.9 × 164.47.7
C100xGalaxy A18 4GDifference
Height166.5 mm164.4 mm+2.1 mm
Width78.2 mm77.9 mm+0.3 mm
Thickness8.6 mm7.7 mm+0.9 mm
Weight219 g196 g+23 g

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

Why is C100x better than Galaxy A18 4G?

  1. Battery capacity8,000 mAh vs 5,000 mAh+60%
  2. Wired charging45 W vs 25 W+80%
  3. RAM6 GB vs 4 GB+50%
  4. Refresh rate120 Hz vs 90 Hz+33%
  5. 3.5 mm headphone jackYes · Galaxy A18 4G: No
  6. Peak brightness900 nits vs 800 nits+12%
  7. Endurance per cycle91 h vs 51 h+78%
  8. Battery charge cycles1,600 vs 1,200+33%

Why is Galaxy A18 4G better than C100x?

  1. AnTuTu score375,547 vs 483,061+29%
  2. Geekbench 6 (multi-core)1,446 vs 2,144+48%
  3. OLED panelNo · C100x: Yes
  4. Pixel density254 ppi vs 385 ppi+52%
  5. Selfie camera5 MP vs 13 MP2.6×
  6. Process12 nm vs 5 nm2.4×
  7. CPU frequency1.8 GHz vs 2.4 GHz+33%
  8. Rear cameras1 vs 22×
  9. Ultra-wide cameraNo · C100x: Yes
  10. Weight219 g vs 196 g+12%
  11. Resolution (width)720 px vs 1,080 px+50%
  12. Thickness8.6 mm vs 7.7 mm+12%
Specifications

Side by side

Realme C100xRealme C100x≈ $2506.3
Samsung Galaxy A18 4GSamsung Galaxy A18 4G≈ $2406.4
Design
Weight219 g196 g
Thickness8.6 mm7.7 mm
Height166.5 mm164.4 mm
Width78.2 mm77.9 mm
FramePlasticPlastic
BackPlasticPlastic
Ingress protectionIP64IP64
Water resistance (IPx)IPx4IPx4
Glass protectionArmorShell glass or Panda GlassCorning Gorilla Glass 3
ColoursGolden Coast, Deepblue TidesBlack, Gray, Light blue
Display
Screen size6.8″6.7″
PanelIPS LCDSuper AMOLED
OLED panelNoYes
Resolution (width)720 px1,080 px
Resolution (height)1,570 px2,340 px
Pixel density254 ppi385 ppi
Refresh rate120 Hz90 Hz
Peak brightness900 nits800 nits
Measured brightness—775 nits
Screen-to-body ratio86.8%86%
HDR—Yes
Performance
ChipsetUnisoc T7250Exynos 1610
Chip makerUnisocExynos
Process12 nm5 nm
CPU cores88
CPU frequency1.8 GHz2.4 GHz
GPUMali-G57 MP1Mali-G68
AnTuTu score375,547483,061
Geekbench 6 (multi-core)1,4462,144
3DMark Wild Life Extreme—384
Memory
RAM6 GB4 GB
Storage (max)256 GB256 GB
Storage (base)64 GB64 GB
Storage typeeMMC 5.1UFS 2.2
Memory card slotYesYes
Camera
Main camera50 MP50 MP
Main camera aperturef/1.8f/1.8
Main sensor size—1/2.76"
Rear cameras12
Optical stabilisationNoNo
Ultra-wide cameraNoYes
Telephoto cameraNoNo
Max video1080p1080p
Selfie camera5 MP13 MP
4K selfie videoNoNo
Battery
Battery capacity8,000 mAh5,000 mAh
Battery typeSi/CLi-Ion
Active use (test)—13.2 h
Wired charging45 W25 W
Charged in 30 min—50%
Wireless chargingNoNo
Connectivity
5GNoNo
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth5.25.3
NFCYesYes
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigationGLONASS, GALILEO, BDSGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersNoNo
3.5 mm headphone jackYesNo
Loudspeaker loudness—-25.8 LUFS
Fingerprint sensorSideSide
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (side-mounted), accelerometer, gyro, compass
SAR (head)—0.54 W/kg
Software
OS at launchAndroid 16Android 17
PlatformAndroidAndroid
Interfacerealme UI 5.0One UI 9
Major OS updates promised—6
EU label
Energy classAA
Battery charge cycles1,6001,200
Endurance per cycle91 h51 h
Repairability classCC
Drop resistance classBB
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