Ulefone Armor 21 vs UmiDigi A15C

At a glance

Brand: Ulefone; UMiDIGI
Release date: May 2023, 3 years 1 months ago; August 2023, 2 years 10 months ago
AnTuTu: 411.900 Antutu v10 Overall performance better than 68% of devices; 245.400 Antutu v10 Overall performance better than 58% of devices

Size: 6.58"; 6.7"
Resolution: 1080 x 2408 px FHD+; 720 x 1600 px HD+
Type: LCD IPS; LCD IPS
Density: 367 ppi High Density; 262 ppi Medium Density
Aspect ratio: 20:9; 20:9
Features: Water Drop Notch, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Color LED Notifications, Scratch resistant, Capacitive, Multi-touch, Oleophobic coating; Water Drop Notch, Brightnes 500 cd/m² (typ), 1500:1 contrast ratio, 70% NTSC, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Chipset: MediaTek Helio G99 (MT6789); Unisoc Tiger T606
CPU: 2x Cortex A76 2.2 GHz + 6x Cortex A55 2.0 GHz; 2x1.6 GHz Cortex A75 + 6x1.6 GHz Cortex A55
CPU type: Octa-Core; Octa-Core
Process: 6 nm; 12 nm
Frequency: 2.2 GHz; 1.6 GHz
GPU: Mali-G57 MC2; ARM Mali-G57
RAM: 8 GB; 8 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 64 Mpx; 48 Mpx
Aperture: ƒ/ 1.9; ƒ/ 1.8
Sensor: Sony IMX686 Exmor RS; —
Pixel size: 0.80 µm; —
Sensor size: 1/1.7"; —
Flash: Dual LED; LED
Optical stabilization: No; No
Slow motion: No, 30 fps; No, 30 fps
Features: Digital zoom, Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer; Digital zoom, Triple camera, Digital image stabilization, Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Dimensions: 81.6 mm 176.0 mm 18.1 mm Print 3D Model; 75.3 mm 167.6 mm 8.6 mm Print 3D Model
Weight: 400 g; 195 g
Materials: Rugged Smartphone, Polycarbonate; Plastic
Colors: Black; Black Purple Green Space Gray Pearl White
Water/dust resistance: IP68, IP69 , MIL-STD-810H; —
Drop resistance: Class A B C D E 270 drops without defects; —
Repairability: Class A B C D E; —
Usable surface: 77 %; 85 %

Operating system: Android 13 Tiramisu Android 13; Android 13 Tiramisu Android 13
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 LELow energy consumption; Bluetooth 5.0
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), LE (Low Energy); A2DP (Advanced Audio Distribution Profile), HID (Human Interface Profile)
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac; 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
Wi-Fi features: Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display; 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

4G LTE: B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B18 (800), B19 (800), B20 (800), B28b (700), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), 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), B17 (700), B18 (800), B19 (800), B20 (800), B25 (1900+), B26 (850), B28b (700), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100)
3G: B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900)
2G: CDMA BC0 (800), CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)