Oppo A78 4G vs Ulefone Armor 21

At a glance

Brand: Oppo; Ulefone
Release date: July 2023, 2 years 10 months ago; May 2023, 3 years ago
AnTuTu: 274.822 Antutu v10 Overall performance better than 60% of devices; 411.900 Antutu v10 Overall performance better than 68% of devices

Size: 6.43"; 6.58"
Resolution: 1080 x 2400 px FHD+; 1080 x 2408 px FHD+
Type: AMOLED; LCD IPS
Density: 409 ppi Very high density; 367 ppi High Density
Aspect ratio: 20:9; 20:9
Features: Hole-punch Notch, Refresh rate 90 Hz, Touch sampling rate 180 Hz, Brightnes 430 cd/m² (typ), Peak brightness - 800 cd/m², Max brightness HBM - 600 cd/m², DCI-P3, Full sRGB standard, sRGB standard, 97% NTSC, Scratch resistant, Corning Gorilla Glass 5, Capacitive, Multi-touch, Frameless; Water Drop Notch, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Color LED Notifications, Scratch resistant, Capacitive, Multi-touch, Oleophobic coating

Chipset: Qualcomm Snapdragon 680 (SM6225); MediaTek Helio G99 (MT6789)
CPU: 4x2.4 GHz Kryo 265 Gold + 4x1.9GHz Kryo 265 Silver; 2x Cortex A76 2.2 GHz + 6x Cortex A55 2.0 GHz
CPU type: Octa-Core; Octa-Core
Process: 6 nm; 6 nm
Frequency: 2.4 GHz; 2.2 GHz
GPU: Adreno 610; Mali-G57 MC2
RAM: 8 GB; 8 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 50 Mpx; 64 Mpx
Aperture: ƒ/ 1.8; ƒ/ 1.9
Flash: LED; Dual LED
Optical stabilization: No; No
Slow motion: Yes, 120 fps; No, 30 fps
Features: Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Continuous autofocus, Phase detection autofocus (PDAF), Contrast detection autofocus (CDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer; 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
Sensor: —; Sony IMX686 Exmor RS
Pixel size: —; 0.80 µm
Sensor size: —; 1/1.7"

Dimensions: 73.2 mm 160.0 mm 7.9 mm Print 3D Model; 81.6 mm 176.0 mm 18.1 mm Print 3D Model
Weight: 180 g; 400 g
Materials: Polycarbonate , Leather; Rugged Smartphone, Polycarbonate
Colors: Black Green; Black
Water/dust resistance: IP54 , IPX4; IP68, IP69 , MIL-STD-810H
Usable surface: 85 %; 77 %
Drop resistance: —; Class A B C D E 270 drops without defects
Repairability: —; Class A B C D E

Operating system: Android 13 Tiramisu ColorOS 13 (Android 13); Android 13 Tiramisu Android 13
Updates: OS updates: 1 years, Security updates: 3 years; —
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 5.0 LELow energy consumption; Bluetooth 5.2 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC; A2DP (Advanced Audio Distribution Profile), LE (Low Energy)
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, QZSS, Galileo; GPS, A-GPS, GLONASS, Beidou, Galileo

4G LTE: B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500); 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)
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: B2 (1900), B3 (1800), B5 (850), B8 (900); CDMA BC0 (800), CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900)