Oukitel C51 vs Ulefone Armor 28 Ultra

At a glance

Brand: Oukitel; Ulefone
Release date: May 2024, 2 years 1 months ago; September 2024, 1 years 9 months ago
AnTuTu: 240.000 Antutu v10 Overall performance better than 57% of devices; 2.348.416 Antutu v11 Overall performance better than 96% of devices

Size: 6.8"; 6.67"
Resolution: 720 x 1600 px HD+; 1080 x 2400 px FHD+
Type: LCD IPS; AMOLED
Density: 258 ppi Medium Density; 395 ppi High Density
Aspect ratio: 20:9; 20:9
Features: Water Drop Notch, Refresh rate 90 Hz, 2.5D curved glass screen, Corning Gorilla Glass 5, Capacitive, Multi-touch, Frameless; Hole-punch Notch, Refresh rate 120 Hz, Touch sampling rate 480 Hz, Peak brightness - 2200 cd/m², HDR10, DCI-P3, DC dimming, Scratch resistant, Corning Gorilla Glass Victus, Capacitive, Multi-touch, Frameless

Chipset: Unisoc Tiger T606; MediaTek Dimensity 9300+
CPU: 2x1.6 GHz Cortex A75 + 6x1.6 GHz Cortex A55; 1xCortex X4 3,4GHZ + 3xCortex X4 2,85GHZ + 4xCortex A720 2GHZ
CPU type: Octa-Core; Octa-Core
Process: 12 nm; 4 nm
Frequency: 1.6 GHz; 3.25 GHz
GPU: ARM Mali-G57; Immortalis-G720 MC12 1300MHz
RAM: 6 GB; 16 GB
RAM type: LPDDR4X RAM; —
64-bit: Yes; Yes

Resolution: 13 Mpx; 50 Mpx
Aperture: Unknow; ƒ/ 1.9
Flash: LED; Quad LED
Optical stabilization: No; No
Slow motion: No, 30 fps; Yes, 120 fps
Features: Digital zoom, Autofocus, Touch focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer; Cinematic Mode, Flicker sensor, Noise reduction, Digital zoom, Triple camera, Digital image stabilization, Autofocus, Touch focus, Manual focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Night Mode, Night Vision
Sensor: —; Sony IMX989
Pixel size: —; 0.80 µm
Sensor size: —; 1"

Dimensions: 76.7 mm 167.2 mm 8.9 mm Print 3D Model; 83.6 mm 174.2 mm 19.4 mm Print 3D Model
Weight: 205 g; 450 g
Materials: Plastic; Rugged Smartphone, Polycarbonate
Colors: Black Blue Purple; Black
Drop resistance: Class A B C D E 270 drops without defects; Class A B C D E 270 drops without defects
Repairability: Class A B C D E; Class A B C D E
Usable surface: 87 %; 73 %
Water/dust resistance: —; IP68, IP69 , MIL-STD-810H

Operating system: Android 13 Tiramisu Android 13; Android 14 Upside-down cake Android 14
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 5.1; Bluetooth 5.4 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile); A2DP (Advanced Audio Distribution Profile), LE (Low Energy), LDAC, SBC, AAC, LHDC
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, WiFi 6 (802.11ax) , WiFi 7 (802.11be)
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, Wi-Fi MiMO
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, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), Galileo (E1+E5a+E5b)

4G LTE: B1 (2100), B3 (1800), B7 (2600), B8 (900), B19 (800), B20 (800), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500); B1 (2100), 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), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100)
3G: B1 (2100), B8 (900); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); CDMA BC0 (800), B3 (1800), B5 (850), B8 (900)
5G: —; n1 (2100), 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)