realme C100 vs UmiDigi A75x

At a glance

Brand: realme; UMiDIGI
Release date: March 2026, 3 months ago; February 2026, 4 months ago
AnTuTu: 308.681 Antutu v10 Overall performance better than 61% of devices; 154.000 Antutu v10 Overall performance better than 53% of devices

Size: 6.8"; 6.75"
Resolution: 720 x 1570 px HD+; 720 x 1600 px HD+
Type: LCD IPS; LCD IPS
Density: 254 ppi Medium Density; 260 ppi Medium Density
Aspect ratio: 20:9; 20:9
Features: Water Drop Notch, Refresh rate 120 Hz, Peak brightness - 700 cd/m², Peak brightness - 1200 cd/m², 1500:1 contrast ratio, 83% NTSC, Color LED Notifications, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless; Water Drop Notch, Refresh rate 90 Hz, Brightnes 450 cd/m² (typ), Max brightness HBM - 550 cd/m², 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Chipset: MediaTek Dimensity 6300; Spreadtrum Unisoc SC9863A
CPU: 2x2.4 GHz ARM Cortex A76 +6x2.0 GHz ARM Cortex A55; 4x Cortex A55 1.6 GHz + 4x Cortex A55 1.2 GHz
CPU type: Octa-Core; Octa-Core
Process: 6 nm; 28 nm
Frequency: 2.4 GHz; 1.6 GHz
GPU: Arm Mali-G57 MC2; PowerVR GE8322
RAM: 4 GB; 4 GB
64-bit: Yes; Yes
RAM type: —; LPDDR4X RAM

Resolution: 50 Mpx; 13 Mpx
Aperture: ƒ/ 1.8; ƒ/ 1.8
Sensor: Sony IMX852; —
Flash: LED; LED
Optical stabilization: No; No
Slow motion: Yes, 120 fps; No, 30 fps
Features: Digital zoom, Dual camera, Autofocus, Touch focus, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer; 4K Video, Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Capacity: 128 GB; 64 GB
Type: eMMC 5.1 Storage; —
SD slot: Yes , Slot for SD or second SIM card; Yes , Slot for SD or second SIM card

Dimensions: 78.1 mm 166.4 mm 8.4 mm Print 3D Model; 78.0 mm 168.3 mm 8.1 mm Print 3D Model
Weight: 212 g; 189 g
Materials: Plastic; Plastic
Colors: Green Violet; Black Silver Green Cyan
Water/dust resistance: IP64 , Splash resistant; —
Usable surface: 85 %; 85 %

Operating system: Android 15 RealmeUI 6.0 (Android 15); Android 16 Android 16
Google services: With Google Mobile Services; With Google Mobile Services

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.2; Bluetooth 4.2 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile); A2DP (Advanced Audio Distribution Profile), HID (Human Interface Profile), LE (Low Energy)
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11ac; 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
Wi-Fi features: Wi-Fi Hotspot; Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
USB: USB Type-C; USB Type-C
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS, GLONASS, Beidou, Galileo; GPS, A-GPS, GLONASS, Beidou, Galileo

5G: n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n20 (800), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n66 (1700), n77 (3700), n78 (3500); —
4G LTE: B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B13 (700), B17 (700), B18 (800), B19 (800), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100); B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B13 (700), B17 (700), B20 (800), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100)
3G: B1 (2100), B5 (850), B8 (900); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)