Ulefone Armor 21 vs Ulefone Armor 28 Ultra

At a glance

Brand: Ulefone; Ulefone
Release date: May 2023, 3 years ago; September 2024, 1 years 8 months ago
AnTuTu: 411.900 Antutu v10 Overall performance better than 68% of devices; 2.348.416 Antutu v11 Overall performance better than 96% of devices

Size: 6.58"; 6.67"
Resolution: 1080 x 2408 px FHD+; 1080 x 2400 px FHD+
Type: LCD IPS; AMOLED
Density: 367 ppi High Density; 395 ppi High 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; 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: MediaTek Helio G99 (MT6789); MediaTek Dimensity 9300+
CPU: 2x Cortex A76 2.2 GHz + 6x Cortex A55 2.0 GHz; 1xCortex X4 3,4GHZ + 3xCortex X4 2,85GHZ + 4xCortex A720 2GHZ
CPU type: Octa-Core; Octa-Core
Process: 6 nm; 4 nm
Frequency: 2.2 GHz; 3.25 GHz
GPU: Mali-G57 MC2; Immortalis-G720 MC12 1300MHz
RAM: 8 GB; 16 GB
RAM type: LPDDR4X RAM; —
64-bit: Yes; Yes

Resolution: 64 Mpx; 50 Mpx
Aperture: ƒ/ 1.9; ƒ/ 1.9
Sensor: Sony IMX686 Exmor RS; Sony IMX989
Pixel size: 0.80 µm; 0.80 µm
Sensor size: 1/1.7"; 1"
Flash: Dual LED; Quad LED
Optical stabilization: No; No
Slow motion: No, 30 fps; Yes, 120 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; 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

Dimensions: 81.6 mm 176.0 mm 18.1 mm Print 3D Model; 83.6 mm 174.2 mm 19.4 mm Print 3D Model
Weight: 400 g; 450 g
Materials: Rugged Smartphone, Polycarbonate; Rugged Smartphone, Polycarbonate
Colors: Black; Black
Water/dust resistance: IP68, IP69 , MIL-STD-810H; IP68, IP69 , MIL-STD-810H
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: 77 %; 73 %

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 5.2 LELow energy consumption; Bluetooth 5.4 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), LE (Low Energy); 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), 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), 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), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
2G: CDMA BC0 (800), CDMA BC1 (1900), 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)